CN213238528U - High-efficient flue gas heater device - Google Patents
High-efficient flue gas heater device Download PDFInfo
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- CN213238528U CN213238528U CN202022142088.4U CN202022142088U CN213238528U CN 213238528 U CN213238528 U CN 213238528U CN 202022142088 U CN202022142088 U CN 202022142088U CN 213238528 U CN213238528 U CN 213238528U
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- heater
- flue gas
- heat exchange
- jar
- spray
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Abstract
The utility model discloses a high-efficient flue gas heater unit, its technical scheme main points are including heater jar, catch water and heat transfer device, the heater jar includes the air inlet awl of flue gas import and exhanst gas outlet's air-out awl, the heater jar is equipped with the spray set of arranging catch water near air inlet awl one side in, spray set includes a plurality of interconnect and align to grid's spray pipe and is connected and one end extends to the outer inlet tube of heater jar with the spray pipe, heat transfer device is equipped with a plurality of heat exchange tubes, heat transfer device is equipped with the strengthening rib pipe the same with heater jar axis, provides a flue gas heater unit that the structure is firm, heat exchange efficiency is high, remove the jam of impurity dust reduction.
Description
Technical Field
The utility model belongs to the technical field of the industry flue gas is handled, especially, relate to a high-efficient flue gas heater device.
Background
The temperature of the clean flue gas discharged from the desulfurizing tower is generally in a wet saturation state between 45 ℃ and 55 ℃, and two adverse results are brought if the clean flue gas is directly discharged: firstly, the smoke lifting diffusion capacity is low, and water mist is formed near a chimney to pollute the environment, namely, the smoke flows are washed downwards; secondly, because the smoke is below the dew point, acid drops are condensed from the smoke, so-called rain pollutes the environment and causes low-temperature corrosion to equipment.
The prior Chinese patent with publication number CN204786508U discloses an anti-blocking high-efficiency flue gas heater, which comprises a heater tank, wherein the heater tank is supported on the ground through a support, an air inlet cone of a flue gas inlet is arranged at the front end of the heater tank, a steam-water separation device is arranged in the heater tank close to the front end, flue gas in the air inlet cone exchanges heat with an anti-blocking heat exchanger after passing through the steam-water separation device, and the heated flue gas is discharged through a flue gas outlet; and the condensed water generated by the steam-water separation device is collected in the condensed water collection device through a funnel arranged at the bottom of the heater tank. The anti-blocking high-efficiency flue gas heater effectively prevents most water mist in deacidified flue gas by additionally arranging the steam-water separation device at the air inlet end, and improves the corrosion resistance and the service life of equipment in a low-temperature and high-humidity state; the heat exchanger comprises a plurality of heat exchange tube unit to the heat exchange tube unit of vertical axle both sides is circular-arc, has increased the area of contact of heat exchange tube with the flue gas, has improved heat exchange efficiency.
Although the heater has high heat exchange efficiency, the steam-water separation device is easily blocked by small-particle dust doped in the flue gas, so that the flue gas resistance is high, and the flue gas heating is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the technical problem who exists to the aforesaid, provide a flue gas heater device that the structure is firm, heat exchange efficiency is high, remove the impurity dust and reduce the jam.
The purpose of the utility model is realized like this: the utility model provides a high-efficient flue gas heater device, includes heater jar, catch water and heat transfer device, the heater jar includes the air inlet awl of flue gas inlet and exhanst gas outlet's air-out awl, the heater jar is equipped with the spray set of arranging catch water in and being close to air inlet awl one side, spray set includes a plurality of interconnect and align to grid's spray pipe and is connected and one end extends to the outer inlet tube of heater jar with the spray pipe, heat transfer device is equipped with a plurality of heat exchange tubes, heat transfer device is equipped with the strengthening rib pipe the same with heater jar axis.
By adopting the technical scheme, the heater tank comprises the air inlet cone of the flue gas inlet and the air outlet cone of the flue gas outlet, the water diversion sprayed by the spraying device is prevented through the air inlet cone, the heating efficiency of the flue gas is increased through the circulation speed of the flue gas between the air outlet cones, the spraying device is arranged on one side, close to the air inlet cone, of the steam-water separation device and comprises a plurality of spray pipes which are mutually connected and uniformly arranged, and the water inlet pipe which is connected with the spray pipes and one end of which extends out of the heater tank, impurities and dust in the flue gas are removed through the spraying device, the impurity dust is prevented from blocking the steam-water separation device, water flows into the spray pipes through the water inlet pipes, when the water is sprayed out of the spray pipes, one part of the impurities are directly washed down by the water sprayed by the spray pipes, the other part of the impurities still fall onto the steam-water separation device, and, the device has the advantages that impurity dust is flushed down, the stable and rapid passing of flue gas through the steam-water separation device is guaranteed, the heat exchange device is provided with the plurality of heat exchange tubes, the heat exchange device is provided with the reinforcing rib tubes which are the same as the axis of the heater tank, high-temperature steam is introduced into the heat exchange tubes through the heat exchange device to heat the flue gas after steam-water separation, the lifting height and the diffusion capacity of clean flue gas are improved, the structural strength of the heat exchange device is increased through the reinforcing rib tubes, the flue gas flows uniformly, and the vibration condition of the heat exchange device.
The utility model discloses further set up to: the heater tank is provided with a support which is supported on the ground.
Through adopting above-mentioned technical scheme, the heater jar is provided with the support that supports subaerial, supports the heater jar through the support and fixes subaerial, increases the stability of heater jar, guarantees that the high-efficient heat transfer is stabilized to the heater jar.
The utility model discloses further set up to: the bottom of the heater tank is provided with a drain pipe, and the bottom of the heater tank is provided with a drain pipe for collecting condensed water separated by the steam-water separation device.
By adopting the technical scheme, the bottom of the heater tank is provided with the drain pipe for collecting the condensed water separated by the steam-water separation device, the impurities and dust removed by the spraying device are discharged out of the heater tank along with water flow through the drain pipe, and the condensed water separated by the steam-water separation device is discharged out of the heater tank through the drain pipe.
The utility model discloses further set up to: the heat exchange tube comprises straight tubes and a plurality of bent tubes which are symmetrically distributed on two sides of each straight tube and are arc-shaped, the reinforcing rib tubes are arranged between the adjacent straight tubes, and the heat exchange tube is provided with a plurality of reinforcing plates parallel to the axis of the heater tank.
Through adopting above-mentioned technical scheme, the heat exchange tube includes the straight tube, and a plurality of return bends of arranging straight tube bilateral symmetry in and being the arc form, increase the area of contact of heat transfer device and flue gas through straight tube and return bend, improve the heat exchange efficiency of flue gas, the strengthening rib pipe is arranged in between the adjacent straight tube, the heat exchange tube is provided with a plurality of reinforcing plates parallel with heater jar axis, increase the structural strength between straight tube and the return bend and between return bend and the return bend through the reinforcing plate, make the flue gas flow even, effectively eliminate its vibration condition, heater unit safe operation has been guaranteed.
The utility model discloses further set up to: the inner wall of the heater tank, the heat exchange device and the spraying device are closely attached with an epoxy heavy-duty coating layer.
Through adopting above-mentioned technical scheme, the inner wall of heater jar, heat transfer device, spray set all closely paste and set up the heavy anticorrosive paint layer of epoxy, increase the inner wall of heater jar, heat transfer device, spray set corrosion resisting property through the heavy anticorrosive paint layer of epoxy, increase the life of heater device.
The utility model has the advantages that:
1. water is sprayed into the heater tank through the water inlet pipe and the water spray pipe, impurities and dust in the flue gas are removed, and the flue gas is discharged through the blow-off pipe, so that the steam-water separation device is prevented from being blocked by the impurities and the dust.
2. The contact area between the heat exchange device and the flue gas is increased through the straight pipe and the bent pipe, and the heat exchange efficiency is improved.
3. The structure stability of the heat exchange device is improved through the reinforcing rib pipes and the reinforcing plates, the uniform flow of the flue gas is ensured, the vibration condition of the heat dissipation device caused by the flow of the flue gas is effectively eliminated, and the safe operation of the heater tank is ensured.
4. The anti-corrosion performance of the inner wall of the heater tank, the heat exchange tube and the spraying device is improved through the epoxy heavy anti-corrosion coating layer, and the service life of the heater device is prolonged.
Drawings
FIG. 1 is a schematic structural view of an embodiment of the high efficiency flue gas heater apparatus of the present invention;
FIG. 2 is a schematic structural view of an embodiment of the heat exchange tube apparatus of the present invention;
reference numeral in the figure, 1, a heater tank; 11. an air inlet cone; 12. an air outlet cone; 13. a drain pipe; 14. a blow-off pipe; 2. a steam-water separation device; 3. a heat exchange device; 31. a heat exchange pipe; 311. a straight pipe; 312. bending the pipe; 32. reinforcing rib pipes; 33. a reinforcing plate; 4. a spraying device; 41. a water spray pipe; 42. a water inlet pipe; 5. and (4) a bracket.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention is clearly and completely described below with reference to fig. 1 to 2:
a high-efficiency flue gas heater device comprises a heater tank 1, a steam-water separation device 2 and a heat exchange device 3, wherein the heater tank 1 comprises an air inlet cone 11 of a flue gas inlet and an air outlet cone 12 of a flue gas outlet, the air inlet cone 11 prevents water flow guide sprayed by a spray device 4, the heating efficiency of flue gas is increased through the circulation speed of the flue gas between the air outlet cones 12, the heater tank 1 is provided with the spray device 4 which is arranged at one side of the steam-water separation device 2 close to the air inlet cone 11, the spray device 4 comprises a plurality of spray pipes 41 which are mutually connected and uniformly arranged and a water inlet pipe 42 which is connected with the spray pipes 41 and one end of which extends out of the heater tank 1, impurities and dust in the flue gas are removed through the spray device 4, the impurity and dust are prevented from blocking the steam-water separation device 2, water flows into the spray pipes 41 through the water inlet pipe 42 and, some impurity is directly washed by spray pipe 41 spun water and falls, another part impurity still can fall on water separator 2, wash away water separator 2 through spray pipe 41, wash away impurity dust, guarantee that the flue gas is stable fast through water separator 2, heat transfer device 3 is provided with a plurality of heat exchange tubes 31, heat transfer device 3 is provided with the strengthening rib pipe 32 the same with heater jar 1 axis, let in high temperature steam to heat exchange tube 31 through heat transfer device 3 and heat the flue gas after the steam-water separation, improve the lifting height and the diffusion capacity of clean flue gas, increase heat transfer device 3's structural strength through strengthening rib pipe 32, make the flue gas flow even, heat transfer device 3's vibration condition has effectively been eliminated.
The heater jar 1 is provided with supports 5 on ground, supports heater jar 1 through support 5 and fixes subaerial, increases heater jar 1's stability, guarantees that heater jar 1 stabilizes the efficient heat transfer.
The bottom of the heater tank 1 is provided with a drain pipe 14, the bottom of the heater tank 1 is provided with a drain pipe 13 for collecting condensed water separated by the steam-water separation device 2, impurities and dust removed by the spraying device 4 are discharged out of the heater tank 1 along with water flow through the drain pipe 14, and the condensed water separated by the steam-water separation device 2 is discharged out of the heater tank 1 through the drain pipe 13.
The heat exchange tube 31 comprises a straight tube 311 and a plurality of bent tubes 312 which are symmetrically distributed on two sides of the straight tube 311 and arc-shaped, the contact area between the heat exchange device 3 and flue gas is increased through the straight tube 311 and the bent tubes 312, the heat exchange efficiency of the flue gas is improved, the reinforcing rib tube 32 is arranged between the adjacent straight tubes 311, the heat exchange tube 31 is provided with a plurality of reinforcing plates 33 which are parallel to the axis of the heater tank 1, the structural strength between the straight tube 311 and the bent tube 312 and between the bent tube 312 and the bent tube 312 is increased through the reinforcing plates 33, the flue gas flows uniformly, the vibration condition of the flue gas is effectively eliminated, and the.
The inner wall of the heater tank 1, the heat exchange device 3 and the spraying device 4 are closely attached with an epoxy heavy-duty coating layer, the corrosion resistance of the inner wall of the heater tank 1, the corrosion resistance of the heat exchange device 3 and the corrosion resistance of the spraying device 4 are improved through the epoxy heavy-duty coating layer, and the service life of the heater device is prolonged.
The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and the skilled in the art can carry out the common changes and replacements within the technical solution of the present invention.
Claims (5)
1. The utility model provides a high-efficient flue gas heater device, includes heater jar (1), catch water (2) and heat transfer device (3), its characterized in that, heater jar (1) is including air inlet cone (11) of flue gas inlet and exhanst gas outlet's air-out awl (12), heater jar (1) is equipped with and arranges catch water (2) in and is close to spray set (4) of air inlet cone (11) one side, spray set (4) include a plurality of interconnect and align to grid's spray pipe (41) and be connected with spray pipe (41) and one end extends to heater jar (1) outer inlet tube (42), heat transfer device (3) are equipped with a plurality of heat exchange tubes (31), heat transfer device (3) are equipped with strengthening rib pipe (32) the same with heater jar (1) axis.
2. A high efficiency flue gas heater apparatus according to claim 1 wherein the heater tank (1) is provided with a stand (5) supported on the ground.
3. The high-efficiency flue gas heater device according to claim 2, wherein a drain pipe (14) is arranged at the bottom of the heater tank (1), and a drain pipe (13) for collecting condensed water separated by the steam-water separation device (2) is arranged at the bottom of the heater tank (1).
4. A high efficiency flue gas heater apparatus according to claim 3 wherein the heat exchange tubes (31) comprise straight tubes (311) and a plurality of curved tubes (312) disposed symmetrically on both sides of the straight tubes (311) and in an arc shape, the reinforcing rib tubes (32) are disposed between adjacent straight tubes (311), and the heat exchange tubes (31) are provided with a plurality of reinforcing plates (33) parallel to the axis of the heater tank (1).
5. The efficient flue gas heater device according to claim 4, wherein the inner wall of the heater tank (1), the heat exchange device (3) and the spray device (4) are closely covered with an epoxy heavy anti-corrosion coating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022142088.4U CN213238528U (en) | 2020-09-25 | 2020-09-25 | High-efficient flue gas heater device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022142088.4U CN213238528U (en) | 2020-09-25 | 2020-09-25 | High-efficient flue gas heater device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213238528U true CN213238528U (en) | 2021-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022142088.4U Active CN213238528U (en) | 2020-09-25 | 2020-09-25 | High-efficient flue gas heater device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213238528U (en) |
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2020
- 2020-09-25 CN CN202022142088.4U patent/CN213238528U/en active Active
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