CN213873202U - Organic heat carrier boiler with flue gas waste heat utilization mechanism - Google Patents

Organic heat carrier boiler with flue gas waste heat utilization mechanism Download PDF

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Publication number
CN213873202U
CN213873202U CN202023180429.3U CN202023180429U CN213873202U CN 213873202 U CN213873202 U CN 213873202U CN 202023180429 U CN202023180429 U CN 202023180429U CN 213873202 U CN213873202 U CN 213873202U
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heat
pipe
working chamber
heat transfer
heat exchange
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李宗营
张德龙
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Taikang Yinyu Boiler Manufacturing Co ltd
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Taikang Yinyu Boiler Manufacturing Co ltd
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Abstract

The utility model relates to a thermal treatment technical field, concretely relates to organic heat carrier boiler with flue gas waste heat utilization mechanism, including the boiler body, this internal working chamber that is provided with of boiler, working chamber one end is connected with the combustor, the working chamber is provided with interior coil pipe, and interior coil pipe both ends communicate with oil feed collector and oil outlet collector respectively, wherein the working chamber other end passes through heat transfer channel pipe and heat exchanger intercommunication, the working chamber is provided with second heat conduction mechanism, be provided with the heat transfer case in the heat exchanger, and the heat transfer case can carry out the heat transfer to the gas that gets into in the heat exchanger, be provided with the heat transfer branch pipe in the heat transfer case, heat transfer branch pipe one end and heat-carrying working medium induction pipe intercommunication, the heat transfer branch pipe other end and heat-carrying working medium delivery pipe intercommunication. Through leading-in heat exchanger with the flue gas that discharges from organic heat carrier boiler, further carry out heat absorption and cooling, recycle waste heat wherein, improve whole heat utilization efficiency.

Description

Organic heat carrier boiler with flue gas waste heat utilization mechanism
Technical Field
The utility model relates to a heat treatment technical field, concretely relates to organic heat carrier boiler with flue gas waste heat utilization mechanism.
Background
An organic heat carrier boiler, also called a heat transfer oil boiler, refers to a novel heat energy conversion device with heat transfer working media of high-temperature heat transfer oil, also called heat media and heat carriers, and has the working characteristics of low pressure and high temperature.
Chinese patent publication No. CN202747622U discloses a furnace tube structure of an organic heat carrier furnace, in which after a furnace tube disposed in a working chamber absorbs and transfers heat of hot air pushed in by a burner, the hot air is directly discharged from a chimney at the other end of the organic heat carrier furnace in a flue gas form, but the temperature of the furnace tube structure is still high, which results in insufficient use of a large amount of heat.
SUMMERY OF THE UTILITY MODEL
The utility model provides an to above problem, provide an organic heat carrier boiler with flue gas waste heat utilization mechanism.
The technical scheme who adopts is, an organic heat carrier boiler with flue gas waste heat utilization mechanism includes the boiler body, this internal working chamber that is provided with of boiler, working chamber one end is connected with the combustor, be provided with interior coil pipe in the working chamber, and interior coil pipe both ends communicate with oil feed collector and oil outlet collector respectively, wherein the working chamber other end passes through heat transfer channel pipe and heat exchanger intercommunication, be provided with second heat conduction mechanism in the working chamber, be provided with the heat transfer case in the heat exchanger, and the heat transfer case can carry out the heat transfer to the gas that gets into in the heat exchanger, be provided with the heat transfer branch pipe in the heat transfer case, heat transfer branch pipe one end and heat-carrying working medium induction pipe intercommunication, the heat transfer branch pipe other end and heat-carrying working medium contact tube intercommunication.
Optionally, a plurality of partition plates are arranged in the heat exchange box, the partition plates divide the heat exchange box into a plurality of heat exchange cavities, and the heat exchange branch pipes are located in the heat exchange cavities.
Further, the vertical setting of cut-off board is cut apart into a plurality of heat transfer chambeies side by side with the heat transfer case, and heat transfer branch pipe is snakelike the distribution in the heat transfer intracavity.
Optionally, one end of the heat exchange branch pipe located in the heat exchange cavity is communicated with the first exhaust pipe and is communicated with the heat-carrying working medium leading-in pipe via the first exhaust pipe, and the other end of the heat exchange branch pipe located in the heat exchange cavity is communicated with the second exhaust pipe and is communicated with the heat-carrying working medium leading-out pipe via the second exhaust pipe.
Optionally, the second heat conducting mechanism comprises a baffle, a sleeve and an outer coil, the baffle is located on one side of the working cavity close to the heat exchange channel pipe, the baffle is connected with the inner wall of the working cavity, the sleeve is sleeved on the periphery of the inner coil, one end of the sleeve is connected with the baffle, a second air outlet is formed between the sleeve and the baffle, the other end of the sleeve is connected with one side of the working cavity close to the combustor, a first air outlet is formed between the other end of the sleeve and the side of the working cavity, and the outer coil is arranged on the periphery of the sleeve.
Optionally, heat conducting oil is introduced into the inner coil, and heat conducting steam is introduced into the outer coil.
The utility model has the advantages that at least one of the following advantages is included;
1. through leading-in heat exchanger with the flue gas that discharges from organic heat carrier boiler, further carry out heat absorption and cooling, recycle waste heat wherein, improve whole heat utilization efficiency.
2. By adding the second introduction mechanism, the heat absorption and heat transfer amount is improved in the organic heat carrier boiler.
3. The problem of current hot-blast other end chimney isotructure from organic heat carrier stove based on the form direct discharge of flue gas, but its temperature is still higher, leads to a large amount of heats not fully used is solved.
Drawings
FIG. 1 is a schematic structural diagram of an organic heat carrier boiler with a flue gas waste heat utilization mechanism;
FIG. 2 is a schematic diagram of a heat exchanger;
FIG. 3 is a schematic view of an end construction of a heat exchanger;
labeled as: the boiler comprises a boiler body 1, a combustor 2, a heat exchange channel pipe 3, a first working cavity 4, an inner coil pipe 5, an oil inlet header pipe 6, an oil outlet header pipe 7, a baffle plate 8, a sleeve 9, a second working cavity 10, a first air outlet 11, a second air outlet 12, a steam guide pipe 13, an air outlet cavity 14, a first outer coil pipe 15, a second outer coil pipe 16, a third outer coil pipe 17, an outer coil pipe 18, a heat exchanger 19, a heat exchange box 20, a heat-carrying medium delivery pipe 22, a heat-carrying medium delivery pipe 23, a heat-carrying medium delivery pipe 24, a heat exchange branch pipe 25, a first exhaust pipe 26, a second exhaust pipe 26, a heat exchange cavity 27 and a partition plate 28.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 3, an organic heat carrier boiler with a flue gas waste heat utilization mechanism comprises a boiler body 1, a working chamber is arranged in the boiler body 1, one end of the working chamber is connected with a burner 2, an inner coil pipe 5 is arranged in the working chamber, two ends of the inner coil pipe 5 are respectively communicated with an oil inlet collecting pipe 6 and an oil outlet collecting pipe 7, the other end of the working chamber is communicated with a heat exchanger 19 through a heat exchange channel pipe 3, a second heat conduction mechanism is arranged in the working chamber, a heat exchange box 20 is arranged in the heat exchanger 19, the heat exchange box 20 can exchange heat for gas entering the heat exchanger 19, a heat exchange branch pipe 24 is arranged in the heat exchange box 20, one end of the heat exchange branch pipe 24 is communicated with a heat carrying working medium leading-in pipe 23, and the other end of the heat exchange branch pipe 24 is communicated with a heat carrying working medium leading-out pipe 22.
The purpose of design like this, through the leading-in heat exchanger of flue gas that will discharge from the organic heat carrier boiler, further carry out heat absorption and cooling, recycle waste heat wherein, improve whole heat energy utilization efficiency, through increasing the leading-in mechanism of second, improve heat absorption and heat transfer capacity inside the organic heat carrier boiler, solved current hot-blast other end chimney isotructure from the organic heat carrier boiler and based on the form direct discharge of flue gas, but its temperature is still higher, lead to a large amount of heat underutilized's problem.
In this embodiment, a plurality of partition plates 28 are disposed in the heat exchange box 20, the partition plates 28 partition the heat exchange box 20 into a plurality of heat exchange cavities 27, and the heat exchange branch pipes 24 are located in the heat exchange cavities 27. The dividing plate 28 is vertically arranged to divide the heat exchange box 20 into a plurality of side-by-side heat exchange cavities 27, and the heat exchange branch pipes 24 are distributed in a serpentine shape in the heat exchange cavities 27. One end of the heat exchange branch pipe 24 positioned in the heat exchange cavity 27 is communicated with the first discharge pipe 25 and is communicated with the heat carrying working medium leading-in pipe 23 through the first discharge pipe 25, and the other end of the heat exchange branch pipe 24 positioned in the heat exchange cavity 27 is communicated with the second discharge pipe 26 and is communicated with the heat carrying working medium leading-out pipe 22 through the second discharge pipe 26.
The purpose of the design is that the flue gas discharged from the organic heat carrier boiler enters the heat exchanger through the heat exchange channel pipe, and the heat exchange box is arranged in the heat exchanger, and the heat exchange cavity formed by cutting the partition plate is opposite to the air inlet of the heat exchanger, so that the flue gas with the waste heat passes through the heat exchange cavity, and a certain amount of waste heat is absorbed by the heat exchange branch pipes.
It should be noted that the heat transfer medium used in this embodiment is mainly water. Meanwhile, after the heat-carrying working medium absorbs the waste heat, the heat-carrying working medium is led into other heat utilization components through corresponding pipelines, namely, in the embodiment, three heat absorption and heat transfer positions exist, one heat absorption and heat transfer position is based on the inner coil pipe, the other heat absorption and heat transfer position is based on the second heat conduction mechanism, and the third heat absorption and heat transfer position is located at the heat exchanger, so that the waste heat utilization efficiency is greatly improved on the whole.
In this embodiment, second heat conduction mechanism is including baffle 8, sleeve 9 and outer coil pipe 18, baffle 8 is located the working chamber and is close to one side of heat transfer channel pipe 3, baffle 8 and the inner wall connection of working chamber, sleeve 9 cover is in 5 peripheries of inner coil pipe, and sleeve 9 one end is connected with baffle 8, and be provided with second air outlet 12 with baffle 8 within a definite time, the sleeve 9 other end is connected with one side that the working chamber is close to combustor 2, and be provided with first air outlet 11 with this side within a definite time, sleeve 9 peripheries are located to outer coil pipe 18, the leading-in conduction oil that has in the inner coil pipe 5, the leading-in heat conduction steam that has in the outer coil pipe 18. The sleeve 9 and the baffle 8 divide the working cavity into a first working cavity 4, a second working cavity 10 and an air outlet cavity 14, the first working cavity 4 is the inner part of the sleeve 9, the second working cavity 10 is the inner peripheral part of the sleeve 9 and the working cavity, and the air outlet cavity 14 is the part of one end of the baffle 8, which is connected with the working cavity and the heat exchange channel pipe 3.
The purpose that designs like this is through setting up structures such as sleeve and baffle in the working chamber for increased from the leading-in hot-blast time that stops in the boiler of combustor and the distance of marcing, interior coil pipe and outer coil pipe cooperate and carry out a lot of heat transfer to hot-blast, improve whole heat conduction by a wide margin. Through dividing into first working chamber with the working chamber, second working chamber and play the air cavity, during leading-in hot-blast entering first working chamber in follow the combustor, carry out heat absorption and transmission by interior coil pipe, then blockked by the baffle, during hot-blast second air outlet from between baffle and sleeve gets into the second working chamber, carry out heat absorption and transmission by the outer tube, because leading-in hot-blast being far away from in the combustor is greater than the hot-blast that gets into in the second working chamber from the second air outlet, thereby partly hot-blast direct getting into the second working chamber from first air outlet carries out heat absorption and transmission by the outer tube, get into the air cavity and follow heat transfer channel pipe and discharge after the hot-blast convergence that gets into the second working chamber from the second air outlet by first air outlet entering second working chamber hot-blast and following the second air outlet.
Therefore, the heat absorption and the heat transfer exist for a plurality of times in the whole boiler body, and compared with the single heat absorption and the single heat transfer in the prior art, the heat absorption and the heat transfer are greatly improved in the working period of introducing hot air once.
In this embodiment, the outer coil 18 includes a first outer coil 15, a second outer coil 16 and a third outer coil 17, and the first outer coil 15, the second outer coil 16 and the third outer coil 17 are all communicated with the steam conduit 13 disposed outside the boiler body 1. First outer coil pipe 15, the outer coil pipe 16 of second and the outer coil pipe 17 of third all set up in second working chamber 10, and the outer coil pipe 17 of third overlaps in sleeve 9 periphery, and the outer coil pipe 16 of second overlaps in the outer coil pipe 17 periphery of third, and first outer coil pipe 15 overlaps in the outer coil pipe 16 periphery of second, and has the clearance between the outer coil pipe 17 of first outer coil pipe 15, second and third.
The purpose of design like this is through setting up 3 outer coil pipes of group, and adopts the structure that overlaps from inside to outside to improve the heat absorption and the heat transfer efficiency in the second working chamber, is provided with the clearance simultaneously between first outer coil pipe, the outer coil pipe of second and the outer coil pipe of third, is convenient for hot-blast passing through between following.
Meanwhile, in the embodiment, the end of the first working chamber 4 is in a horn structure.
The purpose of design like this, through setting up loudspeaker structure, be convenient for with the first air outlet of hot-blast direction that the combustor got into to get into second working chamber that can be quick.
It should be noted that, in general, in order to enable the hot air to be rapidly introduced and discharged, the whole working chamber is mostly arranged in a cylindrical structure, and the joint of the burner and the working chamber is also coincided with the central line of the working chamber.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the principles of the present invention.

Claims (6)

1. The utility model provides an organic heat carrier boiler with flue gas waste heat utilization mechanism, includes boiler body (1), be provided with the working chamber in boiler body (1), working chamber one end is connected with combustor (2), is provided with interior coil pipe (5) in the working chamber, and interior coil pipe (5) both ends communicate its characterized in that with oil feed header (6) and play oil header (7) respectively: the working chamber other end passes through heat transfer channel pipe (3) and heat exchanger (19) intercommunication, is provided with second heat conduction mechanism in the working chamber, be provided with heat transfer case (20) in heat exchanger (19), and heat transfer case (20) can carry out the heat transfer to the gas that gets into in heat exchanger (19), is provided with heat transfer branch pipe (24) in heat transfer case (20), heat transfer branch pipe (24) one end with carry heat working medium induction pipe (23) intercommunication, heat transfer branch pipe (24) other end with carry heat working medium contact tube (22) intercommunication.
2. The organic heat carrier boiler with the flue gas waste heat utilization mechanism of claim 1, characterized in that: a plurality of partition plates (28) are arranged in the heat exchange box (20), the heat exchange box (20) is divided into a plurality of heat exchange cavities (27) by the partition plates (28), and the heat exchange branch pipes (24) are located in the heat exchange cavities (27).
3. The organic heat carrier boiler with the flue gas waste heat utilization mechanism of claim 2 is characterized in that: the partition plates (28) are vertically arranged, the heat exchange box (20) is divided into a plurality of side-by-side heat exchange cavities (27), and the heat exchange branch pipes (24) are distributed in a snake shape in the heat exchange cavities (27).
4. The organic heat carrier boiler with the flue gas waste heat utilization mechanism of claim 3 is characterized in that: one end of a heat exchange branch pipe (24) positioned in the heat exchange cavity (27) is communicated with the first pipe bank (25) and is communicated with the heat-carrying working medium leading-in pipe (23) through the first pipe bank (25), and the other end of the heat exchange branch pipe (24) positioned in the heat exchange cavity (27) is communicated with the second pipe bank (26) and is communicated with the heat-carrying working medium leading-out pipe (22) through the second pipe bank (26).
5. The organic heat carrier boiler with the flue gas waste heat utilization mechanism of claim 1, characterized in that: second heat conduction mechanism is including baffle (8), sleeve (9) and outer coil pipe (18), baffle (8) are located the working chamber and are close to one side of heat transfer channel pipe (3), baffle (8) and working chamber inner wall connection, sleeve (9) cover is in inner coil pipe (5) periphery, and sleeve (9) one end is connected with baffle (8) to be provided with second air outlet (12) with baffle (8) within a definite time, sleeve (9) other end and working chamber are close to one side of combustor (2) and are connected, and with this side within a definite time be provided with first air outlet (11), sleeve (9) periphery is located to outer coil pipe (18).
6. The organic heat carrier boiler with the flue gas waste heat utilization mechanism of claim 5 is characterized in that: heat conduction oil is led in the inner coil pipe (5), and heat conduction steam is led in the outer coil pipe (18).
CN202023180429.3U 2020-12-25 2020-12-25 Organic heat carrier boiler with flue gas waste heat utilization mechanism Active CN213873202U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023180429.3U CN213873202U (en) 2020-12-25 2020-12-25 Organic heat carrier boiler with flue gas waste heat utilization mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023180429.3U CN213873202U (en) 2020-12-25 2020-12-25 Organic heat carrier boiler with flue gas waste heat utilization mechanism

Publications (1)

Publication Number Publication Date
CN213873202U true CN213873202U (en) 2021-08-03

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Application Number Title Priority Date Filing Date
CN202023180429.3U Active CN213873202U (en) 2020-12-25 2020-12-25 Organic heat carrier boiler with flue gas waste heat utilization mechanism

Country Status (1)

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CN (1) CN213873202U (en)

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