CN2157399Y - Heat exchanging apparatus capable of heating circulating water with flue gas - Google Patents

Abstract

The utility model relates to a heat exchanging device capable of heating circulating water by effluent gas, which comprises a serpentine pipe composed of odd standpipes and a plurality of return bends, and a water tank. Heat exchange is carried out between the effluent gas of high temperature, which passes in the serpentine pipe, and the circulating water in the water tank to cause the circulating water to be heated for being used for heating installation, and the temperature of the effluent gas discharged from the serpentine pipe is reduced to the approximate temperature of a human body. The drawing force of the standpipes to a stove is large, so that the fuel in the stove can be sufficiently combusted, and the heat efficiency is high. Compared with a common heating installation, the coal can be saved by one to two times, and the utility model can be matched with heaters which use the roots, the stems and the leaves of the plants as the fuel.

Description

Heat exchanging apparatus capable of heating circulating water with flue gas

The utility model relates to a kind of heat-exchanger rig of recirculated water, relates in particular to a kind of heat-exchanger rig that utilizes flue gas heat cycles water.

The heater of the recirculated water of present heating installation etc. has a variety of, but no matter be any device, all the heat energy of fuel is not made full use of, and the heat energy that does not have to utilize has all emitted along flue.The temperature of flue outlet is all than higher, and fuel can't fully burn in some device, and from the flue black smoke of emerging, these have all caused the loss and the contaminated environment of a large amount of heats.

In the what is called " fast kettle " that long ago just occurred among the people, the top that is stove connects a pipe of being with certain taper, also just play cupping glass, side perimeters at pipe has an interlayer, be filled with water in the interlayer, the water yield has a pot of water of ordinary canteen, why this device is called " fast kettle ", be because it can be boiled with a pot of water in the interlayer soon, and if burn faggot, can the water in the chuck is boiled with a high grain bar or a waste of flax, its reason is that heating surface area is big, so open soon, and be placed on the stove with ordinary canteen or pot, the water of as much also burns not open with three high grain bars.But be exactly to burn water flask with a high grain bar with " fast kettle ", the heat of the high grain bar of this root is still absorbed by water fully, and the estimation heat is run away half, has promptly run away from cupping glass.

The purpose of this utility model is that the heat-exchanger rig that is provided is provided, fully absorb the heat in the flue gas, make to drop to minimumly from the flue dispersed heat, just make the temperature of the temperature at flue outlet place near human body, reasonably the heat-exchanger rig structure makes stove fire intake abundance simultaneously.Fuel can fully burn, and further improves the thermal efficiency.

The purpose of this utility model is achieved in that heat-exchanger rig comprises a coiled pipe and a water tank.Coiled pipe is made up of odd number root vertical tube and some return bends or arm, and the import and export two dual-purpose return bends or the horizontal arm of other vertical tube (just not having other vertical tube as having only a vertical tube) except that the upper end mouth of pipe of the lower end mouth of pipe of a vertical tube and another root vertical tube link up.Described coiled pipe is placed within the water tank whole or in part.

The lower end mouth of pipe that vertical tube stays described in the coiled pipe is the import of coiled pipe, and the upper end mouth of pipe that described vertical tube stays is the outlet of coiled pipe.The import of coiled pipe and the venthole of stove link.The roof is stretched out in the outlet of coiled pipe.

Hold in the water tank of coiled pipe and be full of recirculated water.Coiled pipe stretches out perforate on the water tank wall at water tank place, passes behind the coiled pipe affixedly in the Kong Bianzuo sealing, in the upper end of water tank one delivery port is arranged, the mouth of a river once in the lower end of water tank.The delivery port of water tank and water return outlet link with the water inlet pipe and the return pipe of heating pipeline respectively.On the pipeline at the water return outlet place of water tank, adorn a bypass duct, play release security personnel and replenishment cycles water inlet.The water tank lower end has a hole in addition, and an external valve is got rid of water tank dirts such as incrustation scale when being used to clean water tank.

Wherein the interval and the spacing between each vertical tube tube wall of each vertical tube outer wall of coiled pipe should not be too big for the interior span of described water tank, and general 1-1.5 centimetre at interval, if excessive at interval, the outer water layer of coiled pipe is blocked up, it is slow to conduct heat, because recirculated water heats up slowly, then the room heats up also just slower.The height of the vertical tube of coiled pipe is high more, to stove to take out strength big more, air intake is many more, in the stove fuel combustion abundant more, combustion thermal efficiency is high more, general vertical tube height is a 1.7-2 rice, the long edge lengths in the diameter of vertical tube or cross section is approximately 10-11 centimetre.

The utility model is by heat exchange between high-temperature flue gas in the coiled pipe and the recirculated water in the water pipe, recirculated water is heated up to be used by the heat of heating installation heating to flue gas, and the temperature of the flue gas of discharging from coiled pipe is discharged after dropping to temperature near human body, and the heat of stove fire is scattered and disappeared in a large number from flue; In addition the vertical tube in the coiled pipe to stove to take out strength very big, intake is big in the stove, the oxygen abundance is fully burned fuel, so the thermal efficiency is very high, can economize on coal 1-2 times usually than common heating installation.This device thermal efficiency height; burn root, stem, the leaf of plant; can satisfy use; particularly the cotton growing area can utilize a large amount of crops straw works and the fuel of the supporting stove of the utility model in the rural area; can reduce the use amount of coal like this; even just can not solve the problem that northern area is cooked, warmed oneself winter, make the large crop straw obtain reasonable use simultaneously, protect environment with coal.

The utility model also can be applied in occasions such as boiling with the water that does not circulate in the flue gas heating water tank in the coiled pipe.

Below in conjunction with drawings and Examples the utility model is described in further detail:

Fig. 1: the utility model heat-exchanger rig front view

Fig. 2: the utility model heat-exchanger rig master cutaway view

The A-A cutaway view of Fig. 3: Fig. 2

Fig. 4: the utility model heat-exchanger rig master cutaway view of another kind of structure

Embodiment:

As shown in Figure 1, coiled pipe is made up of three 2 meters long vertical tubes and two return bends, the upper port of the upper port of vertical tube 1 and vertical tube 2 is by return bend 4 coupling UNICOMs, the lower port of the lower port of vertical tube 2 and vertical tube 3 is mated UNICOMs by return bend 5.The lower port of vertical tube 1 is the import of coiled pipe, with the outlet flue of stove 6 with 90 ° of elbow 7 UNICOMs, the upper port of vertical tube 3 is the outlet of coiled pipe, stretches out the roof discharging waste gas.Water tank 8 wraps in three vertical tubes of coiled pipe wherein, and two return bends on the coiled pipe are exposed at water tank outside, can carry out deashing work to the inside of coiled pipe by taking off return bend like this.The upper and lower bottom plate peripheral shape of water tank and water tank cylindrical shell coupling seal welding, the vertical tube mouth is passed in base plate and three vertical tube corresponding position perforates, bore edges sealing seam.Water tank upper port B is a hot water outlet, upper port B connects with the water inlet of heating system, water tank lower port C is a water return outlet, the recirculated water that heating system is returned is got back in the water tank by lower port C and is reheated, in the adapter of water tank lower port C, connect a vertical arm 9, the length of arm is advisable with the upper port B that slightly exceeds water tank 8, one port of arm can make up big and down small horn mouth, for replenishment cycles water is provided convenience, on the horn mouth of described arm 9, can emptyly cover a lid at ordinary times, to reduce the evaporation capacity of recirculated water herein, when once tank pressure is excessive, the lid that void covers also is easy to be backed down and release.Safe in utilization to guarantee water tank.In the adapter of the lower port C of water tank 8, a micro pump 10 can be installed also, start the flow velocity that micro pump 10 can improve recirculated water, thereby the heating installation room of recirculated water in the useful described water tank is heated up rapidly.The lower port D of water tank 8 is a sewage draining exit, and the external valve 11 of lower port D is used for getting rid of incrustation scale and other dirt when cleaning water tank.Water tank and bottom are welded in the ring 12 on the tank outer wall by one and join three legs 13 supports thereon on the ground.

As shown in Figure 3, the cross section of water tank 8 is an ellipse, and in three vertical tubes wherein, the vertical tube 1 of both sides and the cross section of vertical tube 3 are semicircle, and the cross section of middle vertical tube 2 is a square.The diameter of vertical tube 1,3 is 10 centimetres, the length of side of vertical tube 2 is 10 centimetres, match with the water tank of elliptic cross-section in such vertical tube cross section, the interval that can make the pipe outer wall of vertical tube 1,2,3 and water tank wall relatively uniformity makes recirculated water in the water tank be heated comparison evenly and than very fast every being approximately 1 centimetre.

Embodiment 2:

As shown in Figure 4, in the lower port of the upper port of vertical tube 1 and 2 and vertical tube 2 and 3 with horizontal arm 14, the 15 UNICOM's vertical tubes 1 and 2 and vertical tube 2 and 3 respectively that are in the water tank, like this can better utilization flue gas heat energy heating water tank recirculated water in 8, and the lower port of the upper and lower port of the upper port vertical tube 2 of vertical tube 1 and vertical tube 3 is still stayed water tank outside, with the cigarette ash in the easy cleaning vertical tube, on described several ports, add seal cover at ordinary times and obturage.Other structure is identical with embodiment 1.

Claims (8)

1, a kind of heat-exchanger rig that utilizes flue gas heat cycles water, comprise a coiled pipe and a water tank, be full of recirculated water in the water tank, the upper and lower end two-port of water tank communicates with heating installation respectively becomes delivery port and water return outlet, the import of coiled pipe is connected with the stove outlet flue, the outlet of coiled pipe upwards is communicated with the atmosphere room outside, it is characterized in that: coiled pipe is made up of odd number root vertical tube and several return bends or horizontal arm, and described coiled pipe is placed within the water tank whole or in part.

2, the heat-exchanger rig of flue gas heat cycles water according to claim 1 is characterized in that: described coiled pipe is made up of three vertical tubes and two return bends or two arms.

3, the heat-exchanger rig of flue gas heat cycles water according to claim 2 is characterized in that: three vertical tubes in the described coiled pipe form a line, and the cross section of two vertical tubes on both sides is the semi-circular section, and the cross section of a middle vertical tube is a square sectional.Described water tank cross section is oval.

4, the heat-exchanger rig of flue gas heat cycles water according to claim 3 is characterized in that: the pipe outer wall of three vertical tubes of described coiled pipe and the inwall of described water tank and the interval between the vertical tube are even.

5, the heat-exchanger rig of flue gas heat cycles water according to claim 4 is characterized in that: the pipe outer wall of three vertical tubes of described coiled pipe and the inwall of described water tank and the preferred 1-1.5 in the interval between the vertical tube centimetre.

6, according to claim 1 or 2 or the heat-exchanger rig of 3 or 4 or 5 described flue gas heat cycles water, it is characterized in that: the preferred 1.7-2 rice of the length of three vertical tubes in the described coiled pipe.

7, the heat-exchanger rig of flue gas heat cycles water according to claim 2 is characterized in that: connect the outside of two return bends of three vertical tubes at water tank in the described coiled pipe.

8, the heat-exchanger rig of flue gas heat cycles water according to claim 2, it is characterized in that: connect the inside of two horizontal arms of three vertical tubes in the described coiled pipe at water tank, but four ports in three vertical tubes are still in water tank outside, and four ports all cover seal cover.

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