CN2473538Y

CN2473538Y - Energy saving device for effectively improving waste heat recovery of water boiler or steam boiler

Info

Publication number: CN2473538Y
Application number: CN 01210326
Authority: CN
Inventors: 黄瑞湄; 黄瑞俏; 黄奎瀚; 黄瑞苹; 黄瑞舒; 黄瑞芬
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-01-21
Filing date: 2001-01-21
Publication date: 2002-01-23
Anticipated expiration: 2011-01-21

Abstract

An energy saving device to effectively improve waste heat recovery of the hot water boiler or the steam boiler, mainly that: a heat exchanging device is utilized to cooperate with a chimney, thus the water source pre-heated to provide heating of the boiler is obtained, the boiler is made to improve the water temperature to pre-determined temperature in the shortest time and under the state of most economizing fuels, while the utilized chimney pipe heat source is waste heat, not only the reduction of the energy is achieved but also that the environmental friendly effect to reduce the discharged gas temperature is provided, the inside of the chimney pipe is provided with a heat exchanging pipeline, the pipeline gap extension part of the heat exchanging pipeline is provided with a long sheet shaped or wave shaped fin or a direct conduit to twist and attach to the outer wall of the chimney pipe, the pipe diameter arranging the heat exchanging pipeline is relatively large, so deduct the space to arrange the heat exchanging pipeline, the smoke discharging path is still the same with the pipe diameter of the original chimney without affecting smoke discharging flow velocity, and the heat exchanging efficiency is improved by pipe expansion effect to buffer the heat.

Description

Effectively promote the energy saver of hot-water boiler or steam boiler Waste Heat Recovery

The utility model relates to the saving energy source device that a kind of effective lifting hot-water boiler or steam boiler Waste Heat Recovery are provided, especially refer to a kind of used heat preheating lifting water temperature of being utilized, make boiler be able to improved efficiency, energy saving, its mainly be in boiler make water send into boiler before, go out with the used heat that reclaims by stovepipe to do the heat exchange preheating in heat exchanger in advance, when making its water source lifting temperature send into boiler again, boiler can be saved part of fuel and promote water temperature to the predetermined value time, and in stovepipe, install heat reclamation device, do not influencing under the smoke evacuation flow velocity situation, make heat loose slow in and reach hot exchange power and promote effect.Belong to the heat exchange field.

Use for products such as hot water (steam) boilers is quite extensive now, but because of these products in use fuel combustion and airborne comburant oxygen relation be can produce waste gas must discharging, so stovepipe is the necessity of these products, yet in discharging waste gas, part used heat also can be discharged simultaneously, influenced because of the higher environment that also can make of temperature of discharging, be one of its shortcoming.

Designer of the present utility model is engaged in energy-saving equipment and Related product manufacturing industry thereof for many years, after knowing very well the problem that stovepipe discharging used heat causes, be devoted to improve its shortcoming, desire to make stovepipe discharging used heat problem to be solved, via for many years effort research and repeatly for studying, the utility model is proposed finally: the application of " effectively promoting the energy saver of hot-water boiler or steam boiler Waste Heat Recovery ".

Main purpose of the present utility model promptly is to eliminate above-mentioned each shortcoming, and provides a kind of effective lifting hot water (or steam) boiler Waste Heat Recovery to save energy source device.One of its feature is delivered to heat exchanger for the used heat of this stovepipe reclaims earlier, utilizes the go ahead of the rest normal-temperature water of preheating supply boiler heating of used heat then, after water temperature promotes, makes boiler renew heat to the predetermined temperature time and shortens, and fuel is also saved.

The energy saver of a kind of effective lifting hot water (steam) boiler Waste Heat Recovery that the utility model provides, two of its feature is provided with lengthy motion picture shape or wavy fin or outer wall that directly conduit twines, work invests stovepipe for this heat reclamation device extends in the gap of pipeline, makes the heat exchange effect of pipeline better according to this.

The energy saver of a kind of effective lifting hot water (steam) boiler Waste Heat Recovery that the utility model provides, it is big that three of its feature is that heat reclamation device is provided with the chimney caliber of position stovepipe through not installing heat reclamation device, so install and finish when heat reclamation device, and caliber is than smokestack pipe box group on stovepipe the time, its smoke evacuation path complete nothing in my way makes smoke evacuation smooth and easy and do not influence flow velocity.

The energy saver of a kind of effective lifting hot water (steam) boiler Waste Heat Recovery that the utility model provides, four of its feature are smoke evacuations when flowing through the stovepipe of big caliber, be the buffering effect that produces expander, and its heat exchanger effectiveness is promoted.This heat exchange pipe directly cover is organized on stovepipe and to be done to be connected or to be coated at outside the stovepipe partly coating person of any general formation stovepipe.

Technology, means and effect thereof that relevant the utility model adopts after lifting several preferred embodiments now and cooperating graphic being described in more detail in, are believed the above-mentioned purpose of the utility model, structure and feature, go deep into and concrete understanding when getting one by it.

Fig. 1 is a system flow chart of the present utility model.

Fig. 2 is preferred embodiment perspective exploded view of the utility model.

Fig. 3 is another preferred embodiment perspective exploded view of the utility model.

Fig. 4 is the another preferred embodiment cut-away view of the utility model.

Among the figure:

10-stovepipe 20-big caliber stovepipe

21-L shaped lamellar body 22-expand tube

30-heat-exchange device, 31-heat exchange pipe

32-inlet port, 33-delivery outlet

34-lengthy motion picture shape fin 35-wavy fin

40-boiler, 41-water inlet

42-efferent duct, 50-heat exchanger

51-inlet port, 52-delivery outlet

54-the outlet of 53-normal-temperature water inlet

60-pumping, 61-pumping

71-pipeline, 72-pipeline

73-normal-temperature water pipeline

As mentioned above, the utility model purpose is to provide the energy saver of a kind of effective lifting hot water (steam) boiler Waste Heat Recovery.Now for making it can further understand structural design of the present utility model and technology, sincerely cooperate preferred embodiment and accompanying drawing to be described in more detail in the back:

Embodiment 1

Consult Fig. 1, shown in Figure 2, a kind of effective lifting hot water (steam) boiler Waste Heat Recovery is saved energy resource system flow path device figure, wherein consists predominantly of:

One stovepipe 10 is existing stovepipe;

One big caliber stovepipe 20, its cover is organized on stovepipe 10, is able to assembled heat switch 30 in the big caliber stovepipe 20;

One heat-exchange device 30, be by a heat exchanger 50, a heat exchange pipe 30 and two

pipelines

71,72, heat exchange pipe 31 is done to circle to form more, and the clearance space place of 31 of its heat exchange pipes, extend according to the pipeline direction and to be provided with lengthy motion picture shape fin 34, heat exchange pipe 31 is provided with inlet port 32 and is connected to the delivery outlet 52 of heat exchanger 50 with pipeline 71, and heat exchange pipe 31 delivery outlets 33 are connected to the inlet port 51 of heat exchanger 50 with pipeline 72, on the pipeline 72 and be provided with a pumping 60;

One hot water (steam) boiler 40, have water inlet 41 and efferent duct 42, water inlet 41 is by entering the mouth 53 through pumping 61 supply normal-temperature water through the normal-temperature water of heat exchanger 50 on the normal-temperature water pipeline 73, and by the water inlet 41 that hot water (steam) boiler 40 is delivered in outlet 54, be to send the hot water supply by efferent duct 42 to use via boiler 40 heating;

By above-mentioned combination, normal-temperature water supply boiler 40 and every lifting water temperature once had been must the some fuel (as coal gas, oil) of waste, if device stovepipe 10,20 used heat promote the once above temperature of normal-temperature water in advance in boiler 40 operation process but can utilize, then fuel is saved once above required of its heating relatively, and reaches the purpose of saving the energy;

Its drive manner is to be to start when boiler 40 has the demand of hot water supply, and pumping 60 also starts and make in the stovepipe 20 heat exchange pipes 31 mobile with 50 conductive liquids of heat exchanger, used heat is brought to heat exchanger 50, normal-temperature water by normal-temperature water pipeline 73 through the supply of pumping 61 and enter heat exchanger 50, do heat exchange and promote the some degree of water temperature via normal-temperature water and used heat, the water source of the some degree of this lifting water temperature is to send into that boiler 40 is continuous to be heated to required temperature, promptly send use by efferent duct 42, it is faster and fuel is also saved to make its boiler 40 promote water temperature efficient.

Consult shown in Figure 2, it is identical with the internal diameter of stovepipe 10 that the frame of heat exchange pipe 31 encloses internal diameter, so when being assembled in the big caliber stovepipe 20, can not influence the smoke evacuation flow velocity, the appropriate location is provided with L shaped lamellar body 21 in the big caliber stovepipe 20, tighten heat exchange pipe 31 and L shaped lamellar body 21 expansions fixing with expand tube 22, heat exchange pipe 31 can be given device is fixed in the big caliber stovepipe 20, inlet port 32 is then worn with delivery outlet 33 and is passed through than big caliber stovepipe 20, after heat exchange pipe 31 sets up with big caliber stovepipe 20, be able to organize on stovepipe 10 and finish the assembling of stovepipe Waste Heat Recovery use device by big caliber stovepipe 20 covers, because of heat exchange pipe 31 is same as stovepipe 10 around internal diameter, so can not influence the toxic emission flow velocity fully, and with the expander of its big caliber stovepipe 20 used heat be produced to postpone and promoted the exchange efficiency of heat exchange pipe 31.

Embodiment 2

Consult shown in Figure 3, its heat exchange pipe 31 that mainly is heat-exchange device 30 is done to circle to form more, and the clearance space place of 31 of its heat exchange pipes, extend wavy fin 35 according to the pipeline direction, according to the auxiliary heat absorption of wavy fin 35, and make the heat exchanger effectiveness of heat exchange pipe 31 better.All the other are with embodiment 1.

Embodiment 3

Consult shown in Figure 4, should big caliber stovepipe 20 be to be sheathed on the stovepipe 10 wherein, again with welding or affixed mode with both fixed one, be equiped with heat exchange pipe 31 in the big caliber stovepipe 20, and heat exchange pipe 31 to be the interior all frames that prolong big caliber stovepipe 20 enclose, its frame encloses the smoke evacuation internal diameter that internal diameter is same as stovepipe 10, so the smoke evacuation flow velocity of stovepipe 10 is not installed heat-exchange device 30 fully and influenced to some extent.

In addition, this heat exchange pipe 31 also is able to the outer wall that direct conduit twines, work invests stovepipe 20, or directly replaces with heat exchanger, and with the person that can absorb used heat.All the other are with embodiment 1.

Claims

1. an energy saver that effectively promotes hot-water boiler or steam boiler Waste Heat Recovery includes a heat-exchange device, a hot water (steam) boiler and number pumping, and boiler adds the thermal water source to be used so that hot water to be provided; It is characterized in that:

(1) heat exchanger connects respectively and establishes by the pipeline of heat exchange pipe turnover with the turnover of normal temperature water source, and the used heat of taking smoke exhaust pipe by heat exchange pipe promotes normal temperature water source water temperature;

(2) big caliber stovepipe, be equiped with heat exchange pipe in it, wherein fin is extended according to the pipeline both sides in the circulation line gap of heat exchange pipe, and make the heat exchange effect of heat exchange pipe better, big caliber stovepipe be organize on stovepipe in cover, the heat-exchange device inner diameter volume is identical with stovepipe smoke evacuation path, can not influence the smoke evacuation flow velocity fully, and used heat is the buffering effect that produces expander through big caliber stovepipe, make heat exchange pipe be absorbed more heat transfer, reach the effect that heat exchanger effectiveness promotes.

2. effective lifting hot-water boiler according to claim 1 or steam boiler Waste Heat Recovery energy saver, it is characterized in that this heat-exchange device pipeline clearance space place, extend and be provided with lengthy motion picture shape fin according to the pipeline direction, utilize lengthy motion picture shape fin to absorb thermal source according to this and transfer in the pipeline, increase endotherm area.

3. effective lifting hot-water boiler according to claim 1 or steam boiler Waste Heat Recovery energy saver, it is characterized in that this heat-exchange device pipeline gap, extend wavy fin according to the pipeline direction, increase endotherm area and conduct in the pipeline with wavy fin.

4. effective lifting hot-water boiler according to claim 1 or steam boiler Waste Heat Recovery energy saver, it is characterized in that this heat exchange pipe inside and outside wall that directly conduit twines, work invests stovepipe, or directly replace with heat exchanger, and with absorbing used heat.

5. effective lifting hot-water boiler according to claim 1 or steam boiler Waste Heat Recovery energy saver is characterized in that this heat exchange pipe can directly be socketed on the stovepipe to make to be connected or be coated at stovepipe and form stovepipe and partly coat for outer any one section.

6. according to described effective lifting hot-water boiler of claim or steam boiler Waste Heat Recovery energy saver, it is characterized in that the appropriate location is provided with L shaped lamellar body in the described big caliber stovepipe, with expand tube heat exchange pipe and the volume expansion of L shape sheet are tightened fixingly, be fixed in the big caliber stovepipe and heat exchange pipe is given device.