CN2606839Y

CN2606839Y - Vacuum phase changing gravity type hot tube boiler

Info

Publication number: CN2606839Y
Application number: CN 03236448
Authority: CN
Inventors: 赵锋
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-01-21
Filing date: 2003-01-21
Publication date: 2004-03-17
Anticipated expiration: 2013-01-21

Abstract

The utility model relates to a vacuum phase changing gravity type hot tube boiler, which is characterized in that: a heated tube, an evaporation chamber (or liner) temperature controller, a primary separation vacuum device, a secondary separation reflux device and a conveying device are arranged on the body of the boiler. The boiler is simple in structure, safe, high in efficiency, environment protecting and energy saving, which can effectively realize that the whole boiler and the heat using equipment (radiator) in system form a evaporation and condensation closed circulatory system to achieve the best combination. The evaporation chamber with enough space is arranged in the boiler, which forms the production conditions for vacuum phase changing and realizes the function of hot tube. The utility model is simple in structure and energy saving, which has good economic benefit and social benefit.

Description

Phase transition of vacuum gravity type heat pipe boiler

Technical field:

The utility model relates to the phase transition of vacuum heat pipe boiler, particularly phase transition of vacuum gravity type heat pipe boiler.

Background technology:

The heat supplication and consumption system that existing all plain cylindrical furnaces and all kinds radiator or heat exchanger constitute, normally produce saturated vapor or hot water with there being the shell inner bag of pressure or (drum or water bag) boiler or normal pressure (do not have and press) plain cylindrical furnace to be heated, by the boiler export pipeline with steam or flow of hot water to using hot equipment---after heat exchange (condensation) back or the heat radiation, turn back to inside of boiler (drum or the water bag) heating that circulates once more, on return pipeline, use the conveying device forced circulation, this its efficient of heat supplication and consumption device systems is low, energy consumption is big, and boiler inner wall, water tank, cold wall pipe, the fouling of also being heated easily of system's heat transmission equipments such as radiator, must regularly clean, both wasted thermal source, the water source, contaminated environment and operating cost height again, corollary equipment expense height, can not controlled pressure and warning, past attempts with single heat pipe hot junction at burner hearth, the method that the other end dispels the heat in inside of boiler is applied to boiler and improves or cry heat pipe boiler, this minor betterment boiler heat-transfer raising quantity of steam or hot water temperature can not improve the above-mentioned defective of conventional boiler at all, and fire box temperature is difficult to control performance heat tube function, easily burnt or heat pipe in the temperature difference cause explosion phenomenon to make heat pipe be difficult to for a long time apply on boiler greatly, for addressing the aforementioned drawbacks, domestic and international in recent ten years, particularly domesticly various vacuum boilers have been developed in succession, small-sized civilian heat pipe oven, especially gravity type separate heat pipe boiler, for example: " full heat pipe boiler (ZL95102090.0) ", " full heat pipe heat (ZL91103204.5) " the heat transfer condensing heat exchanger is arranged on burner hearth to this class technical characterictic or flue is made heat pipe evaporator, relying on gravity assisted heat pipe to reflux circulates, but most boiler is difficult to realize that with hot device context certain altitude is poor in the actual engineering, especially existing wide variety of conventional plain cylindrical furnace (has pressure, do not have and press) be to utilize drop, can only be at burner hearth, local endothermic heat is set on the flue, do boiler structure very complicatedly, the advantageous characteristic (levy) of whole boiler can't be given full play to, giving full play to of the useful space can not be realized as heat pipe superconduction latent heat.

The utility model content:

The purpose of this utility model mainly provides a kind of practicable, environmental protection and energy saving, boiler safe and efficient, simple in structure, it can realize reaching best combination with formation evaporation and condensation closed cycle system in the hot equipment (radiator) in boiler integral body and the system effectively, conveying device is set, overcomes heat supply and realize closed circuit control temperature, vacuum (negative pressure), flow, fuel Position Control freely with reaching with energy equipment physical slot unsurmountable defective.

The purpose of this utility model is to realize like this, a kind of phase transition of vacuum gravity type separate heat pipe boiler, comprise body of heater 1, burner 24, remote controller 26, inner bag 8, steam outlet pipe 12, main inlet control valve 18, conveying device 19, main return duct 23, body of heater 1 top is provided with respectively that heat pipe 2, temperature controller 6, one-level separate vacuum device 13, vacuum transducer 7, these body of heater inner bag 8 left sides are provided with fluid level controller 4, this body of heater 1 lower right side is provided with secondary and separates reflux 14.Body of heater 1 bottom is set to burner hearth 25, top inner bag 8 is provided with pyrotechnics pipe parallel to each other, (or steam pipe) or evaporation tube heat pipe 2 and evaporation work dielectric fluid 3, this boiler furnace 1 version can be horizontal three backhaul firework tube boilers, water-tube boiler, screwed pipe pyrotechnics plumber industry boiler, hot-blast stove, vertical small-sized normal pressure (do not have and press) firework tube boiler, various heating flame mode wall hanging stoves, boiler, heating stove in the civil heating stove.Body of heater 1 top is various heating flame mode wall hanging stoves, boiler, heating stove in left radiator.Body of heater 1 top is sequentially set with temperature controller 6, one-level separate vacuum device 13, vacuum transducer 7 from left to right, is provided with burner 24, this burner 24 by remote controller 26 controls in bottom, body of heater 1 left side, and body of heater 1 left side is provided with fluid level controller 4.Body of heater 1 lower right side is connected with conveying device 19, main inlet control valve 18, be connected with flow controller 21 on the secondary separation reflux 14, one-level separate vacuum device 13 is formed by connecting by separation filter screen 10, check valve 11, the negative pressure source 15 of vapour, liquid knockout drum 9 and interior setting thereof.Secondary separates reflux 14 and is formed by connecting by the fixed gas air bleeding valve 16 that liquid level is provided with gas, liquid separation return tank 17 and the setting on it of liquid level regulator 20, the right side of this separation return tank 17 is provided with fluid level controller 22, conveying device is the spacious pump of magnetic drive pump or screen, and the version of body of heater (1) is horizontal three backhaul firework tube boilers.

Because adopt the technical solution of the utility model, its remarkable advantage and effect are:

1), because the forced circulation loop circulating system device that adopts secondary gas, liquid knockout drum and conveying device to form, so boiler and with hot equipment (radiator etc.) no matter be under the situation of which kind of system height difference, all can realize the closed circulation loop.

2), constitute closed evaporating condensation heat pipe heat transfer system owing to phase transition of vacuum gravity type separate heat pipe boiler and with hot equipment, therefore just can make full use of and bring into play all functions of boiler and heating surface, as burner hearth, convection bank, the pyrotechnics pipe, flue etc., the heat of heat transfer space area is improved greatly, and gas phase is conducted heat fast, it is fast to start programming rate, evaporator section and condensation segment thermal balance are fast, two ends have a narrow range of temperature, because of its thermal efficiency height of superconduction, there is not the heat loss of leakage, the heat conduction latent heat of vaporization is big, even fast tens times than liquid heat conductive, therefore can realize saving energy and reduce the cost, not only save the water power energy consumption of water system, and can reduce fuel consumption and wind energy consumption in a large number and save operating cost and long-term maintenance cost.Expense outer (without softened water equipment, water supplement apparatus, blowoff valve, cleaning agent and valve auxiliary equipment etc.) totally still can cost saving.

4), the utility model helps the transformation of existing heating boiler, Industrial Boiler and kiln, two gas, liquid separating apparatus and conveying devices, vacuum pressure instrument and secondary or primary instrument only need be set realize phase transition of vacuum heat pipe boiler Automatic Control, can save operating cost and maintenance cost in a large number.

5), the utility model working solution is not to be the composite multi-element liquid composition of medium with water, so whole heating surface and conveying device in the boiler, do not have fouling and corrosion phenomenon, make boiler never change liquid and can keep high-quality and efficient safe operation, long service life with energy equipment.

6), the utility model boiler and heat supplication and consumption system be in full closeding state for a long time, do not have discharging, working media does not freeze in the time of subzero 20 ℃, keeps the good state that can move at any time.

7) the utility model heating system can realize that with better with the supporting result of use of hot equipment phase transition of vacuum heat-pipe radiator the total system super heat-conductive pipe conducts heat, and saves the energy, is the once thoroughly revolution of heating industry.

8) the utility model selects for use fuel can use coal, combustion gas, fuel oil, electric heating or other energy, and it makes boiler product can realize environmental protection, energy-conservation.

The specific embodiment:

Below in conjunction with accompanying drawing the utility model is described in detail:

Fig. 1---the utility model principle schematic,

Wherein: pot body 1, pyrotechnics standard vertical tube evaporator 2, evaporation work dielectric fluid 3, fluid level controller 4, vacuum-pumping tube 5, temperature controller 6, vacuum transducer 7, inner bag 8, vapour, liquid knockout drum 9, separate filter screen 10, check valve 11, steam outlet pipe 12, one-level separate vacuum device 13, gas-liquid separation reflux 14, negative pressure source 15, fixed gas air bleeding valve 16 gas, liquid separates return tank 17, main inlet control valve 18, conveying device 19, liquid level regulator 20, flow controller 21, fluid level controller 22, main return duct 23, burner 24, boiler furnace 25, remote controller 26.

Burner hearth 25 structures of the combustion system of above-mentioned phase transition of vacuum heat pipe boiler body 1 can Be raw coal combustion boiler furnace structure, also can be coal-powder boiler structure, coal water slurry boiler structure, All kinds of firework tube boilers such as combustion gas, fuel oil and electrothermal structure or water-tube boiler, electric heater, also Can make chemical industry, chemical fertilizer, metallurgy, weaving, light industry, the medicine needs of various special constructions Though the structure of heat pipe boiler heat pipe boiler can be ever-changing, its core technology feature exists In boiler the heating kettle body must be arranged, inner bag is arranged, the top have certain space vaporization chamber, because the pot There is not the vaporization chamber of sufficient space in the stove for the steam chest of heat carrier aerogenesis, and the formation phase transition of vacuum The generation condition realizes heat tube function, and this product now has been designed to each series of all categories with novel The phase transition of vacuum heat pipe boiler.

Above-mentioned phase transition of vacuum heat pipe boiler is not in negative pressure or vacuum state when not moving, and locates during operation In normal pressure (O pressure) or safe operation in positive/negative-pressure (about≤0.01MPa) scope, Since substantially (very under the low-pressure) operation under normal pressure, the original pressure boiler of the wall ratio of flue 2 to 4 millimeters of attenuates are saved like this steel, and can be saved demineralized water treatment facility, moisturizing The subsidiary engines such as equipment, blowoff valve, steam trap and water storage device are supporting, and whole heat pipe boiler is become Simple in structure, can realize automation and use hot equipment (heat-pipe radiator) use in conjunction, Realize that easily the single household individual character is warm for (adopting), only establish (dress) in the heat-pipe radiator inlet pipes Temperature-sensing valve (device) just can be realized the intelligentized high-tech technology of hot meterage.

Above-mentioned vapour, liquid knockout drum 9 mainly are vacuum extractors, and it is taken out on-condensible gas (materials such as nitrogen and hydrogen) and realizes heat tube function.Evaporimeter liquid controller 4 in the boiler body is liquid height of working media amount in the control body of heater, do not make evaporation tube (pyrotechnics pipe) expose liquid and cause booster, in establish autoalarm and reach safe operation.

Above-mentioned secondary separation return tank (device) the 17th guarantees that enough working media liquid 3 in time constantly is withdrawn into inside of boiler 8 bottoms by magnetic force circulating pump in the conveying device or the spacious pump of screen forcibly, heats the vaporization cycle operation of being heated again.Burner hearth 25 can be used the coal seam burner, also the burner hearth material in the available coal burner, water-coal-slurry burner, gas burner, oil burner, burner hearth can be with corrugated stainless steel or carbon steel inner lining refractory, evaporation tube can also can be made special evaporimeter with screwed pipe or light pipe (seamless pipe) in the vaporization chamber, working media liquid 3 is a kind of multielement media, and its composition need carry out formulated by its evaporation start-up temperature.Boiler body 1 can be vertical also can be horizontal, (during use, the temperature, pressure on the boiler body determines that its installation decides its negative pressure value limit that vacuumizes, and guarantees using positive negative pressure to depart from the controlling value of bound.By design parameter decision vacuum design load, reach the long-term efficient stable of heat pipe boiler, safely and reliably operation.)

The utility model is simple in structure, and energy savings has good economic benefit and social benefit.

Claims

1. a phase transition of vacuum gravity type heat pipe boiler comprises body of heater (1), burner (24), remote controller (26), steam outlet pipe (12), main inlet control valve (18), conveying device (19), inner bag (8), main return duct (23), vacuum-pumping tube (5),

It is characterized in that: body of heater (1) top is provided with fluid level controller (4) on the left of heat pipe (2), temperature controller (6), one-level separate vacuum device (13), vacuum transducer (7), this this inner bag of stove (8) are set respectively, and this body of heater (1) lower right side is provided with secondary and separates reflux (14).

2. phase transition of vacuum heat pipe boiler as claimed in claim 1, it is characterized in that: described boiler body (1) bottom is set to burner hearth (25), top inner bag (8) is provided with pyrotechnics pipe (or steam pipe) parallel to each other or evaporation tube heat pipe (2) and evaporation work dielectric fluid (3), and this boiler furnace (1) version can be horizontal three backhaul firework tube boilers.

3. phase transition of vacuum heat pipe boiler as claimed in claim 1 is characterized in that: described boiler body (1) top is sequentially set with temperature controller (6), one-level separate vacuum device (13), vacuum transducer (7) from left to right.

4. phase transition of vacuum heat pipe boiler as claimed in claim 1 is characterized in that: bottom, described body of heater (1) left side is provided with burner (24), this burner (24) by remote controller (26) control, and described body of heater (1) left side is provided with fluid level controller (4).

5. phase transition of vacuum heat pipe boiler as claimed in claim 1 is characterized in that: described body of heater (1) lower right side is connected with conveying device (19), main inlet control valve (18), is connected with stream controller (21) on the secondary separation reflux (14).

6. phase transition of vacuum heat pipe boiler as claimed in claim 3 is characterized in that: described one-level separate vacuum device (13) is formed by connecting by separation filter screen (10), check valve (11), the negative pressure source (15) of vapour, liquid knockout drum (9) and interior setting thereof.

7. phase transition of vacuum heat pipe boiler as claimed in claim 5, it is characterized in that: described secondary separates reflux (14) and is formed by connecting by the fixed gas air bleeding valve (16) that liquid level is provided with gas, liquid separation return tank (17) and the setting on it of liquid level regulator (20), and the right side of this separation return tank (17) is provided with fluid level controller (22).

8. phase transition of vacuum heat pipe boiler as claimed in claim 1 is characterized in that: described conveying device is the spacious pump of magnetic drive pump or screen.

9. phase transition of vacuum gravity type heat pipe boiler as claimed in claim 2 is characterized in that: the version of described boiler furnace (1) is horizontal three backhaul firework tube boilers.