CN209511993U - Environment-friendly high-efficiency heating furnace - Google Patents

Abstract

The utility model discloses a kind of environment-friendly high-efficiency heating furnaces, comprising: storage bin and combustion chamber, secondary combustion chamber, heat-exchanging chamber and flue dust collector, wherein, the side of combustion chamber is arranged in secondary combustion chamber, and passing through burner and combustion chamber, the side wall of secondary combustion chamber is being provided with second-time burning air duct close to the position for crossing burner；Heat-exchanging chamber be arranged in the upper surface of secondary combustion chamber, the two is separated by Stainless steel mesh, heat-exchanging chamber be internally provided with internal layer water jacket and outer layer water jacket, top are provided with flue；The side of heat-exchanging chamber is arranged in flue dust collector, and is connected to by flue with heat-exchanging chamber.The utility model has the beneficial effect that secondary combustion chamber is arranged in (1), improves the thermal efficiency of fuel combustion；(2) increase flue dust collector, clean gas can be discharged；(3) excess of heat that fuel combustion generates being absorbed using water and measuring warm water, ground temperature can be improved in warm-water irrigation crop, and then can promote plant growth and volume increase.

Description

Environmentally friendly and efficient water heater

technical field

The utility model relates to a water heating furnace, in particular to an environment-friendly and high-efficiency water heating furnace, which belongs to the technical field of agricultural equipment.

Background technique

Xinjiang has vigorously developed facility agriculture for many years. In recent years, the area of facility agriculture has remained at more than 900,000 mu, and more than 400,000 greenhouses have been built. Since 2011, the development of facility agriculture in our region has shifted from scale expansion to focusing on improving quality and efficiency.

At present, many greenhouses are not equipped with winter heating equipment, and the usable time of the greenhouse is very limited. Although some greenhouses are equipped with winter heating equipment, they are still equipped with ordinary furnaces. The heating area and efficiency of ordinary furnaces are very limited, and there is soot Many, serious pollution.

In addition, in winter greenhouse production, low irrigation water temperature has always been an important reason affecting the rapid growth and high yield of crops. Too low tap water irrigation temperature will quickly reduce the temperature in the greenhouse.

Utility model content

In order to solve the deficiencies of the prior art, the purpose of this utility model is to provide an environmentally friendly and efficient water heater that can promote the full combustion of coal without pollution and can also produce irrigation water at a suitable temperature.

In order to achieve the above object, the utility model adopts the following technical solutions:

An environmentally friendly and efficient water heating furnace, comprising: a storage bin and a combustion chamber, the storage bin is on the top and the combustion chamber is below, the top of the storage bin is provided with a furnace cover, the bottom is provided with a middle cavity bucket, and the middle cavity bucket extends downwards In the combustion chamber, the bottom of the combustion chamber is provided with a fire grate, the side wall is provided with a furnace door, and a slag outlet is provided under the fire grate. It is characterized in that it also includes: a secondary combustion chamber, a heat exchange chamber and a flue dust collector ,in:

The aforementioned secondary combustion chamber is arranged on the side of the combustion chamber and communicates with the combustion chamber through the fire port. The side wall of the secondary combustion chamber is provided with a secondary combustion air supply pipe near the fire port. The secondary combustion air supply pipe passes through The fan connecting pipe is connected with the fan;

The aforementioned heat exchange chamber is set above the secondary combustion chamber, and the two are separated by a stainless steel grid. The heat exchange chamber is provided with an inner water jacket and an outer water jacket, and a flue is arranged on the top, and the inner water jacket and the The outer water jacket is connected through a circulating water pipe, the top of the inner water jacket is provided with a baffle, the bottom of the baffle is opened with a smoke port, the top of the outer water jacket is opened with a normal pressure exhaust port, and the side wall is from top to bottom There are hot water outlet, water return port, water replenishment port and miscellaneous outlet in turn;

The above-mentioned flue dust collector is arranged on the side of the heat exchange chamber, and communicates with the heat exchange chamber through the flue, and can remove dust from the flue gas discharged from the flue.

The aforementioned environmental protection and high-efficiency water heating furnace is characterized in that the aforementioned flue dust collector is a cyclone dust collector, which is composed of a casing, a chimney and a deflector. The plate is trumpet-shaped, located in the dust removal chamber and set on the chimney. The small opening of the deflector is on the bottom and the large opening is on the top.

The aforementioned environment-friendly and high-efficiency water heating furnace is characterized in that the aforementioned shell and the chimney are both made of ceramics.

The aforementioned environment-friendly and high-efficiency water heater is characterized in that, the bottom of the aforementioned housing is provided with a dust-removing insert.

The aforementioned environment-friendly and high-efficiency water heater is characterized in that a bottom plate is provided at the lower part of the aforementioned secondary combustion chamber.

The utility model is beneficial in that:

(1) By setting the secondary combustion chamber, the high-temperature gas is subjected to secondary combustion, which improves the thermal efficiency of fuel combustion and reduces fuel consumption;

(2) By adding a flue dust collector to the flue gas to remove dust from the flue gas, clean gas can be discharged, which meets the environmental protection requirements;

(3) Use water to absorb the abundant heat generated by fuel combustion to obtain warm water. Irrigation of crops with this warm water can not only increase the ground temperature, thereby increasing the growth rate and yield of crops, but also avoid the rapid temperature drop caused by irrigation of cold water in the greenhouse;

(4) Water has a strong heat storage capacity, and the use of water to absorb the abundant heat generated by fuel combustion can greatly improve the thermal efficiency of the furnace, making full use of the heat released by fuel combustion, and has a good effect of high efficiency and energy saving.

Description of drawings

Fig. 1 is a structural schematic diagram of an environmentally friendly and efficient water heating furnace of the present invention.

The meanings of reference signs in the figure: 1-slag outlet, 2-fire grate, 3-furnace door, 4-combustion chamber, 5-middle cavity bucket, 6-storage bin, 7-furnace cover, 8-outer layer Water jacket, 9-inner water jacket, 10-flue gas port, 11-atmospheric pressure exhaust port, 12-flue, 13-flue dust collector, 14-circulating water pipe, 15-hot water outlet, 16-return Nozzle, 17-Water supply port, 18-Miscellaneous outlet, 19-Heat exchange chamber, 20-Stainless steel grid, 21-Secondary combustion chamber, 22-Fire outlet, 23-Secondary combustion air supply pipe, 24-Fan connection Pipe, 25-bottom plate, 131-shell, 132-chimney outlet, 133-deflector, 134-dust removal insert.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment the utility model is made concrete introduction.

Referring to Fig. 1 , the environmental-friendly and high-efficiency water heating furnace of the present invention includes: a storage bin 6, a combustion chamber 4, a secondary combustion chamber 21, a heat exchange chamber 19 and a flue dust collector 13.

The structure of each of the above parts will be described in detail below.

1. Storage bin

The storage bin 6 is used to store block fuels such as coal, and its top is provided with a furnace cover 7, and the bottom is provided with a middle cavity bucket 5, and the small opening of the middle cavity bucket 5 is downward.

2. Combustion chamber

Combustion chamber 4 is the place where coal and other lumpy fuels are burned for the first time. It is set up and down with storage bin 6. Storage bin 6 is on the top, combustion chamber 4 is on the bottom, and the middle cavity bucket 5 of storage bin 6 is downward. Extending into the combustion chamber 4, the bottom of the combustion chamber 4 is provided with a fire grate 2, the side wall is provided with a furnace door 3, and the bottom of the fire grate 2 is provided with a slag outlet 1.

3. Secondary combustion chamber

The secondary combustion chamber 21 is used to burn the gas that comes out of the combustion chamber 4, and it is arranged on the side of the combustion chamber 4, and communicates with the combustion chamber 4 through the fire port 22, and the side wall of the secondary combustion chamber 21 is near the fire port. The position of 22 is provided with secondary combustion air supply pipe 23, and secondary combustion air supply pipe 23 is connected with fan (not shown) through fan connection pipe 24.

As a preferred solution, the bottom of the secondary combustion chamber 21 is provided with a bottom plate 25. The effect of the bottom plate 25 mainly includes two aspects: one is heat insulation, preventing heat from being transmitted to the ground downwards, and avoiding unnecessary waste of heat; Prevent high-temperature gas leakage and eliminate potential safety hazards.

4. Heat exchange chamber

Heat exchange chamber 19 is used for heat exchange, and it is arranged on the top of secondary combustion chamber 21, and the two are separated by stainless steel grid 20 (stainless steel grid 20 can prevent flame from entering in heat exchange chamber 19), heat exchange The top of the chamber 19 is provided with a flue 12, and the interior is provided with an inner water jacket 9 and an outer water jacket 8, wherein a baffle is arranged on the top of the inner water jacket 9, and a smoke port 10 is opened below the baffle. The top of the outer water jacket 8 is provided with a normal pressure exhaust port 11, and the side wall is sequentially provided with a hot water outlet 15, a water return port 16, a water supply port 17 and a miscellaneous outlet 18 from top to bottom. Layer water jacket 8 communicates through circulating water pipe 14 .

5. Flue dust collector

The flue dust collector 13 is used to remove the dust in the flue gas, it is arranged on the side of the heat exchange chamber 19 and communicates with the heat exchange chamber 19 through the flue 12 .

As a preferred solution, the flue dust collector 13 is a cyclone dust collector, which is composed of a casing 131, a chimney 132 and a deflector 133, wherein the casing 131 is set outside the chimney 132, forming a In the dust removal chamber, the deflector 133 is trumpet-shaped, located in the dust removal chamber and sleeved on the chimney 132. The small opening of the deflector 133 is on the bottom and the large opening is on the top. The apex of the smoke port is flush, and the high-temperature gas in the heat exchange chamber 19 enters the cyclone dust collector through the flue 12, and the high-temperature gas rotates downward under the action of the deflector 133, and the large particles of dust will be separated due to gravity and collision. Fall to the bottom of the housing 131.

More preferably, both the shell 131 and the chimney 132 are made of ceramics.

As a preferred solution, a dust removal insert 134 is provided at the bottom of the housing 131 , and the dust removal insert 134 can conveniently remove large particles of dust in the housing 131 .

The working principle of the environmental protection high-efficiency water heating furnace of the utility model is as follows:

Open the furnace cover 7, add coal and other block fuels into the storage bin 6, the block fuel slides on the middle cavity bucket 5 and slowly falls into the combustion chamber 4, then burns on the grate 2, and opens the furnace door 3. The combustion situation in the combustion chamber 4 can be observed, and the remaining slag from combustion can be discharged through the slag outlet 1. The high-temperature gas after combustion enters the secondary combustion chamber 21 through the fire exit 22, and the secondary combustion chamber 21 is used to make the second combustion chamber. Secondary combustion, in this process, the fan is turned on, and sufficient air is sent from the secondary combustion air supply pipe 23 to the secondary combustion chamber 21 to help the high-temperature gas fully burn, and the high-temperature gas after the secondary combustion passes through the stainless steel grid 20 Enter the heat exchange chamber 19, and flow from bottom to top in the inner side of the inner water jacket 9 and the interlayer between the inner water jacket 9 and the outer water jacket 8, and finally discharge the heat exchange through the flue 12. chamber 19, and then enters the flue dust collector 13, the flue gas is dedusted by the flue dust collector 13, and finally the clean gas is discharged, and the high-temperature gas flows from bottom to top in the heat exchange chamber 19. The water in the water jacket 9, the outer layer water jacket 8 and the circulating water pipe 14 is heated, and the warm water obtained flows out through the hot water outlet 15 to irrigate the crops with warm water.

It can be seen that because we have set up a secondary combustion chamber and let the high-temperature gas do secondary combustion, the thermal efficiency of the furnace has been improved and the coal consumption has been reduced; since we have added a flue dust collector to the flue, it has achieved environmental protection Require.

In addition, we also use water to absorb the abundant heat generated by fuel combustion to obtain warm water, which can be used to irrigate crops, which can not only increase the ground temperature, thereby increasing the growth rate and yield of crops, but also avoid the rapid temperature increase caused by irrigation of cold water in the greenhouse. Decrease; water has a strong heat storage capacity, we can greatly improve the thermal efficiency of the furnace by using water to absorb the abundant heat generated by fuel combustion, and make full use of the heat released by fuel combustion, which has a very good effect of high efficiency and energy saving.

To sum up, the environment-friendly and high-efficiency water heater provided by the utility model has good use effect and positive use significance, and is worthy of popularization and application.

It should be noted that the above-mentioned embodiments do not limit the utility model in any form, and all technical solutions obtained by means of equivalent replacement or equivalent transformation fall within the protection scope of the utility model.

Claims (5)

1. An environmentally friendly and efficient water heating furnace, comprising: a storage bin (6) and a combustion chamber (4), the storage bin (6) is on the top, the combustion chamber (4) is below, and the top of the storage bin (6) is provided with The furnace cover (7), the bottom is provided with a middle chamber bucket (5), and the middle chamber bucket (5) extends downward into the combustion chamber (4), and the bottom of the combustion chamber (4) is provided with a fire grate (2), a side wall A furnace door (3) is provided, and a slag outlet (1) is provided below the fire grate (2), which is characterized in that it also includes: a secondary combustion chamber (21), a heat exchange chamber (19) and a flue dust collector (13), where: The secondary combustion chamber (21) is arranged on the side of the combustion chamber (4), and communicates with the combustion chamber (4) through the fire port (22), and the side wall of the secondary combustion chamber (21) is near the fire port (22). ) is provided with a secondary combustion air supply pipe (23), and the secondary combustion air supply pipe (23) is connected to the fan through the fan connecting pipe (24); The heat exchange chamber (19) is arranged above the secondary combustion chamber (21), and the two are separated by a stainless steel grid (20). The inside of the heat exchange chamber (19) is provided with an inner water jacket (9) and The outer water jacket (8) is provided with a flue (12) at the top, the inner water jacket (9) is connected with the outer water jacket (8) through a circulating water pipe (14), and the top of the inner water jacket (9) is provided with There is a baffle, a flue gas port (10) is opened under the baffle, a normal pressure exhaust port (11) is opened on the top of the outer water jacket (8), and a hot water outlet (11) is opened on the side wall sequentially from top to bottom ( 15), water return port (16), water supply port (17) and miscellaneous outlet (18); The flue dust collector (13) is arranged on the side of the heat exchange chamber (19), and communicates with the heat exchange chamber (19) through the flue (12), and can carry out the flue gas discharged from the flue (12). Dust. 2. The environment-friendly high-efficiency water heater according to claim 1, characterized in that, the flue dust collector (13) is a cyclone dust collector, which consists of a casing (131), a chimney (132) and a deflector (133) composition, the shell (131) is set outside the chimney (132), and a dust removal chamber is formed between the two, and the deflector (133) is trumpet-shaped, located in the dust removal chamber and sleeved on the chimney (132), guiding The small opening of the plate (133) is at the bottom and the large opening is at the top. The edge of the large opening is in contact with the shell (131), and its height is flush with the apex of the smoke outlet of the flue (12). 3. The environment-friendly and high-efficiency water heater according to claim 2, characterized in that, both the casing (131) and the chimney (132) are made of ceramics. 4. The environment-friendly and high-efficiency water heater according to claim 2, characterized in that, a dust removal plate (134) is provided at the bottom of the housing (131). 5. The environment-friendly and high-efficiency water heater according to claim 1, characterized in that, a bottom plate (25) is provided at the lower part of the secondary combustion chamber (21).