CN108534112A - A kind of steam generator and its health products preparation method of communicating pipe density radial variations - Google Patents

Abstract

The present invention provides a kind of gas steam generators, including burner and water tank, the water tank includes water inlet and steam (vapor) outlet, portion on the burner is arranged in water tank, the heat pipe that setting is upwardly extended since water tank bottom inside water tank, the heat pipe are more, and communicating pipe is arranged between adjacent heat pipe, along the center radially outward direction of water tank lower face, the distribution density of the communicating pipe is smaller and smaller.The present invention improves gas steam generator, by the way that heat pipe is arranged in water tank bottom, pass through communicating pipe variable density, integral heat pipe pressure to make keeps essentially identical, to improve whole heat exchange efficiency, material is saved, local damage caused by avoiding non-uniform temperature extends the service life of radiating end.

Description

A kind of steam generator with radial change of connecting pipe density and preparation method of health care product thereof

technical field

The invention relates to a steam generator technology, in particular to a steam generator of a heat pipe with a new structure.

Background technique

Heat pipe technology is a heat transfer element called "heat pipe" invented by George Grover of Los Alamos National Laboratory in the United States in 1963. It makes full use of the principle of heat conduction and phase change medium. The rapid heat transfer properties of the heat pipe quickly transfer the heat of the heating object to the heat source, and its thermal conductivity exceeds that of any known metal.

Heat pipe technology was widely used in aerospace, military and other industries before. Since it was introduced into the radiator manufacturing industry, people have changed the traditional radiator design ideas and got rid of the single heat dissipation mode that only relies on high air volume motors to obtain better heat dissipation. The use of heat pipe technology enables the radiator to obtain a satisfactory heat exchange effect, opening up a new world in the heat dissipation industry. At present, heat pipes are widely used in various heat exchange equipment, including the power field, such as waste heat utilization of power plants.

A steam generator is a mechanical device that uses heat from fuel or other energy sources to heat water into steam. The steam generator has a wide range of applications, and is widely used in clothing factories, dry cleaners, restaurants, steamed bun shops, canteens, restaurants, factories and mines, bean products factories and other places. The current steam generator is also widely used in the treatment of various diseases, especially in the treatment of chronic diseases caused by aging and old damage to muscles and ligaments, such as CN2167709Y patent, but in the current prior art, such as CN2167709Y Patent, because the steam is generated directly by heating, the temperature of the generated steam will be too high, and it will cause too much moisture in the generated steam, and the drug may be deposited in the lower part because it is a particle, so the ejected steam is effective The component content is too low, and the temperature is too high, and the intelligent degree in the prior art is not high, and effective intelligent operation cannot be carried out.

In the background technology, when the gas is used to heat the steam generator, the gas either directly heats the water tank, or generates steam through secondary heat exchange, especially directly heats the water tank, and uses the convective heat exchange inside the water tank to perform the fluid convection exchange between the upper and lower parts of the water tank. However, in this case, the hot fluid in the lower part needs to be naturally convected to the upper part, and the heat exchange efficiency is low.

In the background technology, the inventor has developed the structure as shown in Figure 1. The above-mentioned structure has greatly improved the heat energy absorption, but because the heat pipe evaporation end extends to the combustion space, the gas flow in the combustion space is not good and cannot fully Combustion is carried out, and the cost of the background technology is relatively high, so the present application has carried out further improvement on the basis of the background technology.

Aiming at the above problems, the present invention improves on the previous invention, and provides a steam generator with a new structure, which makes full use of the heat source, reduces energy consumption, and improves the combustion effect.

Contents of the invention

In view of the above problems, the present invention improves on the basis of the previous invention, and provides a steam generator with a new heat pipe structure to realize full utilization of waste heat.

In order to achieve the above object, the technical scheme of the present invention is as follows:

A gas steam generator, comprising a burner and a water tank, the water tank includes a water inlet and a steam outlet, the water tank is arranged on the upper part of the burner, and it is characterized in that a heat pipe extending upward from the bottom of the water tank is arranged inside the water tank, and the heat pipe is There are many, and the distribution density of the communication pipes becomes smaller and smaller along the radial direction outward from the center of the lower end surface of the water tank.

Preferably, along the radial direction outward from the center of the burner, the distribution density of the communication pipes is gradually increased with a decreasing range. The bottom of the lower end of the heat pipe is connected to the inner wall of the water tank.

Preferably, the bottom of the lower end of the heat pipe is the inner wall of the water tank.

Preferably, a communication pipe is provided between at least two adjacent heat pipes.

Preferably, the center of the water tank is located at the focal point of the reflector.

Preferably, the water tank and the heat pipe are integrally manufactured.

Preferably, the heat pipes are distributed in multiple layers around the center point of the bottom of the water tank, and the multi-layer heat pipes are arranged along the center point of the bottom of the water tank. The arc structure of the center of the circle.

Preferably, on a horizontal plane projection, the outer diameter of the heat pipe is d, the distance between the centers of adjacent heat pipes on the same layer is L, and the center of the heat pipe forms the top of an isosceles triangle with the centers of two adjacent heat pipes in the adjacent row. The angle is N, the diameter of the circle where the same layer is located is D2, and the diameter of the circle of the adjacent inner layer is D1, then the following requirements are met:

Sin(N)=a+b*W ³ －c*W ² -d*W, where Ln is a logarithmic function, W= d/(D2-D1), a, b, c, d are parameters, satisfying the following Require:

0.77<a<0.78, 0.38<b<0.39, 0.785<c<0.795, 0.87<d<0.88;

0.3<d/L<0.5.

Preferably, the burner includes a burner seat, on which a furnace ring for placing a water tank is fixedly installed, and a combustion head with several atomizing holes is fixedly installed in the burner seat, and the burner The bottom of the seat is provided with a gas pipe, and the burner seat is provided with several air outlets for supplying the combustion aid of the combustion head, and the outside of the burner seat is provided with an air supply channel communicating with the air outlets. An air inlet is provided on the air supply channel; the furnace ring, the bottom of the water tank and the burner seat form a combustion chamber, the furnace ring is a hollow interlayer, and the upper part of the inner layer of the furnace ring is provided with several The air return port, the inner cavity of the hoop communicates with the air supply channel.

Preferably, a=0.7766, b=0.3879, c=0.7913, d=0.8735.

Preferably, a plurality of air outlets are provided from the lower part to the upper part, and the distribution density of the air outlets becomes higher and higher from the lower part to the upper part.

Preferably, a plurality of air outlets are provided from the lower part to the upper part, and the distribution density of the air outlets increases continuously from the lower part to the upper part.

Preferably, a plurality of air outlets are provided from the lower part to the upper part, and the diameter of the air outlets becomes larger and larger from the lower part to the upper part.

Preferably, from the lower part to the upper part, the diameter of the air outlet increases continuously.

Preferably, the furnace hoop is in an arc shape.

Compared with the prior art, the present invention has the following advantages:

1) The present invention improves the gas-fired steam generator. By setting heat pipes at the bottom of the water tank and changing the density of the connecting pipes, the pressure of the overall heat pipes remains basically the same, thereby improving the overall heat exchange efficiency, saving materials, and avoiding temperature fluctuations. Uniform local damage, prolonging the service life of the cooling end.

2) The invention improves the gas steam generator. By setting the heat pipe at the bottom of the water tank and changing the density of the heat pipe, the temperature of the overall heat pipe is kept basically the same, thereby improving the overall heat exchange efficiency, saving materials, and avoiding uneven temperature. Partial damage to prolong the service life of the cooling end.

3) The present invention improves the gas steam generator. By setting the heat pipe at the bottom of the water tank, the heat transfer speed of the heat pipe is fast, and the heat energy is quickly transferred to the upper part of the water tank, which improves the heat transfer speed of the heat energy and can further meet the requirements of heat absorption capacity. Compared with the invention of the background technology, it can obviously improve the utilization efficiency of heat energy, ensure the sufficient flow and combustion of the gas in the combustion space, and save the cost.

4) The present invention improves the structure of the condensation end of the heat pipe in the gas steam generator. Connecting pipes are arranged between adjacent condensation sections. By setting the connecting pipes, uneven heating between the heat pipes can be avoided, and the heat pipes can be separated. The pressure is balanced to avoid defects caused by uneven heating between different heat pipes.

5) The present invention can ensure that the pressure balance is achieved as soon as possible during the fluid flow process through the distribution quantity of the connecting passages and the change rule of the pipe diameter.

6) The present invention can ensure sufficient mixing of air and gas to achieve sufficient combustion through the distribution density and diameter changes in the height direction of the air outlet of the burner.

7) The present invention improves the structure of the evaporation end of the heat pipe in the steam generator, extends the evaporation end of the heat pipe to a farther direction, and makes the heat absorption of the evaporation end of the heat pipe without changing the volume of the condensation end of the heat pipe The area increases, so the heat absorption range of the heat pipe can be expanded, and the heat at the farthest end of the heat source can be absorbed. Compared with the prior art, the evaporating end and the condensing end of the heat pipe maintain the same size, while reducing the volume and occupied area of the heat exchanger, so that the structure is compact.

8) In the present invention, connecting pipes are arranged at adjacent evaporating ends, which can make the fluid in the evaporating end with high pressure quickly flow to the evaporating end with low pressure when the heat pipes are heated differently and cause different pressures, thereby maintaining the overall pressure Balanced to avoid localized overheating or overcooling.

Description of drawings

Fig. 1 is a schematic diagram of the background technology of the steam generator of the present invention.

Fig. 2 is a schematic diagram of a specific embodiment of the steam generator of the present invention.

Fig. 3 is a schematic diagram of the structure of the water tank of the present invention.

Fig. 4 is a schematic view of Fig. 3 viewed from above.

Fig. 5 is a schematic diagram of a partial structure of a heat pipe provided with a communication pipe according to the present invention.

Fig. 6 is a schematic structural view of the burner of the present invention.

In the figure: 1-burner seat, 2-furnace ring, 3-combustion head, 4-air supply channel, 5-combustion chamber, 7-atomization hole, 8-insulation material, 10-heat pipe, 111-air supply port , 112-air outlet, 121-air outlet, 211-return air outlet, 101-vertical part, 102-horizontal part, 103-vertical pipe, 105-water tank, 106-heat source channel, 107-connecting pipe, 108-water Inlet, 109-steam outlet, 21 inner layer sandwiching wall.

Detailed ways

The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

In this article, if there is no special explanation, when it comes to formulas, "/" means division, and "×" and "*" mean multiplication.

Figure 2-6 discloses a gas steam generator utilizing a heat pipe, the steam generator includes a burner and a water tank 105, the water tank 105 includes a water inlet 108, and the combustion of the burner will heat the water in the water tank 105 , the steam generator also includes a heat pipe 10 arranged in the water tank 105. As shown in FIG. 2, the heat pipe 10 is arranged inside the water tank 105 and extends upward from the bottom of the water tank 105. The bottom of the lower end of the heat pipe is connected to the inner wall of the water tank.

Traditional gas steam generators use gas to directly heat the water tank to generate steam, and use the convective heat exchange inside the water tank to perform convective heat exchange between the upper and lower parts of the water tank. However, in this case, the hot fluid in the lower part needs to flow naturally to the upper part for exchange. The thermal efficiency is low. The present invention arranges a heat pipe at the bottom of the water tank, because the gas inside the heat pipe immediately evaporates after being heated, and the upper evaporation end of the heat pipe rises, and heat exchange is performed on the upper part, so that the heat is quickly transferred to the upper part of the water tank, which can quickly Improve the heat exchange efficiency and improve the heat utilization rate of the combustion heat energy.

Compared with the background technology described in Fig. 1, the present invention has a great improvement in improving heat energy absorption, and because the heat pipe evaporation end does not extend to the combustion space, the gas flow in the combustion space is good, and the combustion can be fully carried out, and Can save costs.

Preferably, the bottom of the lower end of the heat pipe 10 is the inner wall of the water tank 105 . In this way, the heat pipe and the water tank can be used as a whole, and the inner wall of the water tank is used as the lower end wall of the heat pipe to reduce the contact thermal resistance, so that the overall structure is compact and

Preferably, the water tank and the heat pipe are integrally manufactured.

Preferably, the water tank is a spherical structure.

Preferably, a communication pipe 107 is provided between at least two adjacent heat pipes 10 . For example, as shown in FIG. 5 , a communication pipe 107 is provided between two heat pipes 5 that are close to each other. Of course, Fig. 5 is only a schematic diagram, and although only two heat pipes are shown, it does not mean that there are only two heat pipes. By arranging the connecting pipe 107, uneven heating among the heat pipes 10 can be avoided, pressure balance between the heat pipes can be realized, and defects caused by uneven heating between different heat pipes can be avoided.

Preferably, from the bottom of the heat pipe 10 to the top of the heat pipe 10, the distance between adjacent communication pipes 107 increases continuously. Because the heat pipe absorbs the heat energy of combustion at the bottom, and then releases heat in the water tank. As the fluid in the vertical part of the heat pipe flows upwards, the fluid releases heat continuously. With the continuous heat release of the fluid, the pressure in different heat pipes gradually decreases. Therefore, through the above settings, it can ensure that the pressure balance is achieved as soon as possible during the fluid flow process. , saving the number of connecting pipes and energy-saving materials.

Preferably, from the lower part of the heat pipe 10 to the upper part of the heat pipe 10, the distance between adjacent communication pipes 107 increases continuously. It is found through experiments that the above setting can ensure better and faster pressure equalization in the process of fluid flow. This is also the best connection method obtained through a large number of studies on the law of pressure distribution changes.

Preferably, from the bottom of the heat pipe 10 to the top of the heat pipe 10, the diameter of the communication pipe 107 decreases continuously. The purpose of this is to set up to ensure a larger communication area, because as the fluid flows upwards, the fluid continuously releases heat, and as the fluid continues to release heat, the pressure in the different heat pipes becomes smaller and smaller, so through the above settings, it can be Ensure that pressure equalization is achieved as soon as possible during fluid flow.

Preferably, from the lower part of the heat pipe 10 to the upper part of the heat pipe 10, the diameter of the communication pipe 107 decreases more and more. It is found through experiments that the above setting can ensure better and faster pressure equalization in the process of fluid flow. This is also the best connection method obtained through a large number of studies on the law of pressure distribution changes.

There are multiple heat pipes, and the distribution density of the communication pipes becomes smaller and smaller along the radial direction outward from the center of the burner (the center of the lower end surface of the water tank). In the numerical simulation and experiment, it is found that along the radial direction from the center of the burner, the heat received by a single heat pipe is getting smaller and smaller, and the temperature of the heat pipes at different positions is also different, resulting in uneven local heating. Because as the gas burns, the gas first burns in the middle, and then the generated high-temperature gas moves outward from the center, so the heat received by the middle becomes smaller, and because the more outward, the larger the diameter of the horizontal part. The larger the , the smaller the amount of heat distributed per unit area, and therefore the smaller the amount of heat distributed on each heat pipe. This will cause the heat pipes in different positions to be heated unevenly and have different pressures. In the present invention, the densities of the connecting pipes are set at different positions of the burner, so that the pressure of the overall heat pipe is quickly kept basically the same, thereby improving the overall heat exchange efficiency, saving materials, avoiding local damage caused by uneven temperature, and prolonging the life of the heat pipe. service life.

Preferably, along the radial direction outward from the center of the burner, the distribution density of the communication pipes is gradually increased with a decreasing range. As the change of the distribution density of the connecting pipes, the present invention has carried out a large number of numerical simulations and experiments, so as to obtain the above-mentioned change law of the distribution density of the connecting pipes. Through the above-mentioned change rule, materials can be saved, and at the same time, the heat exchange efficiency can be increased by about 6%.

There are multiple heat pipes, and the diameter of the communication pipe becomes smaller and smaller along the radial direction outward from the center of the burner (the center of the lower end surface of the water tank). In the numerical simulation and experiment, it is found that along the radial direction from the center of the burner, the heat received by a single heat pipe is getting smaller and smaller, and the temperature of the heat pipes at different positions is also different, resulting in uneven local heating. Because as the gas burns, the gas first burns in the middle, and then the generated high-temperature gas moves outward from the center, so the heat received by the middle becomes smaller, and because the more outward, the larger the diameter of the horizontal part. The larger the , the smaller the amount of heat distributed per unit area, and therefore the smaller the amount of heat distributed on each heat pipe. This will cause the heat pipes in different positions to be heated unevenly and have different pressures. In the present invention, the pipe diameters of the connecting pipes are set at different positions of the burner, so that the pressure of the overall heat pipe is quickly kept basically the same, thereby improving the overall heat exchange efficiency, saving materials, avoiding local damage caused by uneven temperature, and prolonging the heat pipe. service life.

Preferably, along the radial direction outward from the center of the burner, the pipe diameter of the communication pipe is gradually increased with decreasing range. As the change of the diameter of the connecting pipe, the present invention has carried out a large number of numerical simulations and experiments, so as to obtain the above-mentioned change law of the diameter of the connecting pipe. Through the above-mentioned change rule, materials can be saved, and at the same time, the heat exchange efficiency can be increased by about 6%.

Preferably, medicinal liquid is set in the water tank. The steam generator is a steam generator with the function of medicine fumigation and washing treatment.

Preferably, the water tank includes a water inlet 108 and a steam outlet 109, and the generated steam goes out directly from the steam outlet 109.

As another option, the steam generator also includes a liquid medicine evaporation box, the liquid medicine evaporation box communicates with the water tank 105 through a pipeline, an atomizer is arranged in the liquid medicine evaporation box, and the liquid medicine evaporation box is set Steam outlet.

Medicines are arranged in the water tank, and the medicines are soaked in water. When in use, the water is heated by a heat pipe in the water tank, and the medicines are heated through the water, so as to produce a health care medicinal liquid in the water tank 105 . The produced liquid medicine enters the liquid medicine evaporation box through the pipeline, is atomized in the liquid medicine evaporation box, and then is discharged through the steam outlet. The steam outlet can be vented directly to the patient's ailing site for body care functions.

There are multiple heat pipes, and the distribution density of the heat pipes becomes smaller and smaller along the outward radial direction from the center of the burner (the center of the lower end surface of the water tank). In the numerical simulation and experiment, it is found that along the radial direction from the center of the burner, the heat received by a single heat pipe is getting smaller and smaller, and the temperature of the heat pipes at different positions is also different, resulting in uneven local heating. Because as the gas burns, the gas first burns in the middle, and then the generated high-temperature gas moves outward from the center, so the heat received by the middle becomes smaller, and because the more outward, the larger the diameter of the horizontal part. The larger the , the smaller the amount of heat distributed per unit area, and therefore the smaller the amount of heat distributed on each heat pipe. This will cause the heat pipes at different positions to be heated unevenly, resulting in different temperatures. In the present invention, the density of the heat pipe is set at different positions of the burner, so that the temperature of the whole heat pipe is kept basically the same, thereby improving the overall heat exchange efficiency, saving materials, avoiding local damage caused by uneven temperature, and prolonging the service life of the heat pipe .

Preferably, along the radial direction outward from the center of the burner, the distribution density of the heat pipes increases continuously with a smaller and smaller range. As for the variation of the distribution density of the heat pipes, the present invention has carried out a large number of numerical simulations and experiments, so as to obtain the above-mentioned variation law of the distribution density of the heat pipes. Through the above-mentioned changing rules, materials can be saved, and at the same time, the heat exchange efficiency can be increased by about 9%.

Preferably, the diameter and length of each heat pipe 10 are the same.

Preferably, there are multiple heat pipes 10 , and the diameters of the heat pipes become smaller and smaller along the radial direction outward from the center of the burner. The specific reason is the same as that of the distribution density of heat pipes above.

Preferably, along the radial direction from the center of the burner to the outside, the diameter of the heat pipe increases continuously with decreasing diameter. The specific reason is the same as that of the distribution density of heat pipes above.

Preferably, the distribution density and length of all heat pipes 10 are the same.

Preferably, as shown in FIG. 4 , viewed from above, or projected on a horizontal plane, the heat pipes 10 are distributed in multiple layers in a ring around the central point of the bottom of the water tank.

Preferably, heat pipes 10 are arranged at the central point, and multi-layer heat pipes 10 are arranged along the central point. The axis of each layer of heat pipes 10 is at the same distance from the central point, thereby forming an arc structure with the central point at the bottom of the water tank as the center.

Through numerical simulation and experiments, it is found that the distance between heat pipes 10, including the distance at the same diameter position and the distance between adjacent layers, cannot be too small, too small will lead to excessive distribution of heat pipes, resulting in the heat absorption of each heat pipe Insufficient, too large will lead to too little distribution of heat pipes, resulting in overheating of heat pipes. Therefore, through a large number of numerical simulations and experiments, this application summarizes the optimal distribution of heat pipe 10 distribution, so that heat pipes can neither absorb heat enough nor absorb heat. is too big.

As shown in Figure 4, the inner diameter of the water tank is D, the outer diameter of the heat pipe 10 is d, the arc of the central axis of the adjacent heat pipes on the same layer is N, and the distance between the centers of the adjacent heat pipes on the same layer is L, the center of the arc is the central axis of the heat accumulator, the diameter D2 of the circle where the same layer is located, and the diameter D1 of the circle adjacent to the inner layer, then meet the following requirements:

Sin(N)=a+b*W ³ －c*W ² -d*W, where Ln is a logarithmic function, W= d/(D2-D1), a, b, c, d are parameters, satisfying the following Require:

0.77<a<0.78, 0.38<b<0.39, 0.785<c<0.795, 0.87<d<0.88;

Preferably, a=0.7766, b=0.3879, c=0.7913, d=0.8735.

Preferably, as D2/D decreases gradually, a and b become larger and c and d become smaller.

Preferably, 0°<N<120°.

Preferably, 10°<N<70°.

The above empirical formula is obtained through a large number of numerical simulations and experiments, and has been verified by experiments. Because the cubic function is used, the error is basically within 2.8%.

Preferably, as D2/D decreases gradually, a and b become larger and c and d become smaller.

As a preference, the heat absorption capacity of the heat pipe is 900-1100W, more preferably 1000W;

The inner diameter D is 1300-1500 mm, more preferably 1400 mm.

The heat pipe 10 is 9-10 mm, more preferably 9.5 mm.

Of course, Figure 4 only shows 3 layers of heat pipes, but in fact there can be more than 3 layers. D2 and D1 in FIG. 4 are just examples. In fact, the heat pipe on the central axis can be used as the layer where D1 is located, that is, D1=0, and the current D1 can be used as the layer where D2 is located.

Figure 3 only shows one half, and the other half is symmetrical to it, so no detailed description will be given.

As shown in accompanying drawings 2 and 6, the burner includes a burner seat 1, on which a furnace ring 2 for placing a water tank 105 is fixedly installed, and in the burner seat 1, several The combustion head 3 of the atomization hole 7, the bottom of the burner seat 1 is provided with an air supply port 111 connected to the gas pipeline, and the burner seat 1 is provided with several air outlets for supplying the combustion air of the combustion head 3 112, the outside of the burner seat 1 is provided with an air supply pipe 4 communicating with the air outlet 112, the lower end of the air supply pipe 4 is provided with an air inlet 121, and the shell of the air supply pipe 4 is covered Describe the burner seat 1, can utilize the burner seat 1 to heat the air that enters like this, save gas heat energy. As preferably, viewed from the top, the combustion head 3 is a circular structure

A number of atomizing holes 7 are arranged on the combustion head 3, so that the gas can achieve the best atomization effect so that the gas can be fully burned. The furnace ring 2 is trumpet-shaped, and the mouth of the furnace ring 2 is in line with the The corresponding circular shape of the outer wall of the water tank can make the water tank evenly heated and quickly raise the temperature in the pot. The furnace ring 2, the water tank and the burner seat 1 form a combustion chamber 5 that prevents the flame from escaping, so that the combustion The indoor flame no longer overflows along the bottom of the pot, avoiding the heat energy taken away by the high temperature flame, solving the heat loss phenomenon of 20%-30% of the total heat supplied by the gas, and making the surrounding environment no longer be taken away by the high temperature flame The heat increases the temperature, which improves the operating environment in the kitchen; the hoop 2 is a hollow interlayer, and the inner layer sandwich wall 21 of the hoop 2 is provided with some air return ports 211 near its mouth, and the hoop 2 The inner cavity of the air is communicated with the air supply channel 4 .

A position near the bottom of the hoop 2 is provided with an auxiliary waste gas exhaust port 22 that communicates with the combustion chamber 5 and the outside, so that the fully combusted gas is discharged outside the combustion chamber, so that the combustion gas in the combustion chamber can be better connected with fresh air. Mix and fully burn to suppress the production of harmful gases.

The outer surface of the furnace hoop 2 is covered with an insulating material 8 , and the inner surface of the furnace hoop 2 may also be covered with an insulating material 8 at the same time. This can prevent heat loss, and at the same time prevent the surrounding environment from raising the temperature due to heat loss.

The fan blows air into the combustion chamber from the air inlet, air supply channel, and air outlet, and mixes and burns the gas in the combustion chamber that is atomized into the combustion chamber from the air supply port through the atomization hole, heats the water tank, and makes the combustion chamber The temperature of the gas becomes higher, and most of the high-temperature gas with insufficient combustion (at this time, the temperature of the high-temperature gas will reach more than 800°C) will pass through the air return port, pass through the inner cavity of the furnace ring, the air supply channel and the air outlet and return to combustion again. Chamber combustion, so that the heat of insufficiently combusted high-temperature gas is not only recycled, but also can be fully burned, which greatly reduces the consumption of gas, and suppresses the generation of carbon monoxide and nitrogen-hydrogen compounds that are extremely harmful to the human body. Part of the exhaust gas generated is discharged from the gap between the water tank and the hob. Since the gap between the water tank and the hob is very small, the burning flame will not overflow from the gap, so that the heat loss is less, and a small part of the combustion chamber is produced. The exhaust gas is discharged through the auxiliary exhaust port of the exhaust gas.

Preferably, as shown in Figures 2 and 6, the furnace hoop is in an arc-shaped structure.

Preferably, a plurality of air outlets 112 are provided from the lower part to the upper part. From the lower part to the upper part, the distribution density of the air outlets increases firstly, and then gradually decreases at a certain position. By setting the change of the distribution density from the upper part to the lower part of the multiple air outlets 112, the air volume from the upper and lower positions is small, so that the combustion air from the upper part to the lower part gradually increases, and then gradually decreases, so that even if the air volume at the maximum position is caused by The air mass exists, but the amount of air in the upper and lower parts is gradually reduced to make the air mass and then gradually fully mixed, so that the air is gradually mixed with the gas to achieve a sufficient mixing effect, avoiding the sudden impact of a large amount of air on the upper or lower part of the gas, The existence of large groups of air makes the air and gas mix poorly. Through a large number of experiments and numerical simulation studies, it is found that through the above settings, the air and gas can be fully mixed, and the combustion effect can be increased by about 10%. It should be noted here that the above achievements were obtained by the applicant through extensive research, and are not common knowledge in the field.

Preferably, a plurality of air outlets are arranged from the lower part to the upper part. From the lower part to the upper part, the density of the air outlet distribution becomes larger and the range decreases continuously. Starting at a certain position, the density of the air outlet distribution gradually decreases. getting bigger. Through a large number of experiments and numerical simulation studies, it is found that this setting can make the air and gas more fully mixed and improve the combustion efficiency.

Preferably, the certain position is a middle position in the height direction of the hoop 2 .

Preferably, a plurality of air outlets 112 are provided from the lower part to the upper part. From the lower part to the upper part, the diameter of the air outlets increases firstly, and then gradually decreases at a certain position. By setting the diameter change from the upper part to the lower part of a plurality of air outlets 112, the air volume through the upper and lower positions is small, so that the combustion air from the upper part to the lower part gradually increases, and then gradually decreases, so that even the air caused by the maximum air volume at the maximum position There is a mass of air, but the amount of air in the upper and lower parts is gradually reduced to make the air mass and then gradually fully mixed, so that the air is gradually mixed with the gas to achieve a sufficient mixing effect, avoiding a large amount of air in the upper or lower part suddenly impacting the gas, so that The existence of large groups of air, resulting in poor mixing of air and gas. Through a large number of experiments and numerical simulation studies, it is found that through the above settings, the air and gas can be fully mixed, and the combustion effect can be increased by about 10%. It should be noted here that the above achievements were obtained by the applicant through extensive research, and are not common knowledge in the field.

Preferably, from the lower part to the upper part, the diameter of the air outlet gradually decreases with increasing range, and starting from a certain position, the diameter of the air outlet gradually decreases with a larger range. Through a large number of experiments and numerical simulation studies, it is found that this setting can make the air and gas more fully mixed and improve the combustion efficiency.

Preferably, the certain position is a middle position in the height direction of the hoop 2 .

Preferably, along the radial direction outward from the center of the combustion head 3, the distribution density of the atomization holes 7 becomes smaller and smaller. Ensure that the gas quantity distribution gradually increases from the outside to the middle, and a large amount of gas is located in the middle to burn fully. When burning, it burns from the middle and then the smoke is discharged from the return hole 211, so that the smoke can be heated on all heating surfaces to ensure the overall heating. uniform.

Preferably, along the radial direction outward from the center of the combustion head 3 , the distribution density of the atomization holes 7 becomes smaller and increases continuously. As the change of the distribution density of the atomization holes, the present invention has carried out a large number of numerical simulations and experiments, so as to obtain the above-mentioned change law of the distribution density. Through the above variation law, the uniform heating can be further ensured.

Preferably, along the radial direction outward from the center of the combustion head 3, the diameter of the atomization hole 7 becomes smaller and smaller.

Preferably, along the radial direction from the center of the combustion head 3 to the outside, the diameter of the atomization hole 7 becomes smaller and increases continuously. The main reason is the same as before.

Preferably, as shown in FIG. 2 , the water tank 105 forms a spherical structure, and the lower part is a burner. Through the above arrangement, all the heat pipes and the heat exchange fluid can be arranged in the spherical ball, so that the external space can be fully utilized and the purpose of compact structure can be achieved.

Although the present invention has been disclosed above with preferred embodiments, the present invention is not limited thereto. Any person skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so the protection scope of the present invention should be based on the scope defined in the claims.

Claims (9)

1. a kind of gas steam generator, including burner and water tank, the water tank include water inlet and steam (vapor) outlet, water tank is set Set portion on the burner, which is characterized in that the heat pipe that setting is upwardly extended since water tank bottom inside water tank, the heat pipe are More, be set between adjacent heat pipe communicating pipe, along the center radially outward direction of water tank lower face, the communicating pipe Distribution density is smaller and smaller.

2. steam generator as described in claim 1, which is characterized in that along the outwardly radial side in the center of water tank lower face To the amplitude that the distribution density of the communicating pipe is smaller and smaller constantly increases.

3. steam generator as described in claim 1, which is characterized in that the bottom of the lower end of the heat pipe is the interior of water tank Wall.

4. steam generator as described in claim 1, which is characterized in that connection is arranged between at least two adjacent heat pipes Pipe.

5. steam generator as claimed in claim 2, which is characterized in that the water tank and heat pipe are to be integrated.

6. steam generator as described in claim 1, which is characterized in that bottom centre point annular of the heat pipe around water tank Multilayer heat pipe is arranged along bottom centre's point of water tank in Multi-layers distributing, and the axis of every layer of heat pipe is identical at a distance from central point, from And it is formed using the bottom centre of water tank point as the arc structure in the center of circle.

7. steam generator as claimed in claim 6, which is characterized in that in horizontal plane projection, the outer diameter of heat pipe is d, together The distance between one layer adjacent heat pipe center of circle is L, and the center of circle of heat pipe and two closed on the heat pipe center of circle of adjacent row are constituted The apex angle of isosceles triangle is N, and diameter of a circle D2 where same layer, the diameter of a circle D1 of adjacent inner layer then meet claimed below：

Sin（N）=a+b*W³- c*W²- d*W, wherein Ln are logarithmic functions, and W=d/ (D2-D1), a, b, c, d are parameters, are met such as Lower requirement：

0.77<a<0.78, 0.38<b<0.39,0.785<c<0.795,0.87<d<0.88；

0.3< d/L<0.5。

8. steam generator as described in claim 1, which is characterized in that the burner includes burner seat, the burning It is installed with the stove circle for placing water tank on device seat, the burning equipped with several orifices is fixedly mounted in the burner seat The bottom of head, the burner seat is equipped with Gas Pipe, and the burner seat is equipped with several supply combustion head combustion adjuvants Air outlet slit, the outside of the burner seat are equipped with the intake adit being connected to the air outlet slit, are set on the intake adit There is air intake；The stove circle, the water tank bottom and the burner seat form combustion chamber, and the stove circle is hollow folder The internal layer double wall top of layer, the stove circle is equipped with several return air inlets, and the internal cavities of the stove circle connect with the intake adit It is logical.

9. a kind of health products preparation method, which is characterized in that described including the steam generator described in one of claim 1-8 The water tank in be arranged drug, the drug immersion in water, in use, in water tank by radiating end heat water, pass through Water carrys out Heating Drug, to generate health products liquid in water tank.