CN113606600B - Boiler feed water preheating device - Google Patents
Boiler feed water preheating device Download PDFInfo
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- CN113606600B CN113606600B CN202111158636.5A CN202111158636A CN113606600B CN 113606600 B CN113606600 B CN 113606600B CN 202111158636 A CN202111158636 A CN 202111158636A CN 113606600 B CN113606600 B CN 113606600B
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- water
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- discharge flue
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/16—Feed-water heaters, i.e. economisers or like preheaters with water tubes arranged otherwise than in the boiler furnace, fire tubes, or flue ways
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
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Abstract
The invention provides a boiler feed water preheating device, which relates to the technical field of boiler energy-saving equipment and comprises a discharge flue, wherein the inner side of the discharge flue is rotatably connected with a plurality of heating water tanks driven by a rotation driving device, rotating shafts are arranged at two ends of each heating water tank, the rotating shafts are rotatably connected with the discharge flue, one ends of the rotating shafts extend out of the discharge flue and then are communicated with a water supply device or a boiler, each rotating shaft is of a hollow structure, one rotating shaft is communicated with a water inlet at the lower part of the inner side of each heating water tank, and the other rotating shaft is communicated with a water outlet at the upper part of the inner side of each heating water tank. In the in-service use, can change the inclination of heating water tank according to the requirement of difference to realize reasonable fume emission efficiency and water heating efficiency, reach the optimal balanced effect.
Description
Technical Field
The invention relates to the technical field of boiler energy-saving equipment.
In particular to a boiler feed water preheating device.
Background
The boiler is common equipment in enterprises of chemical industry, oil refining and the like, in order to improve the working efficiency of the boiler and save fuel, the boiler water is preheated before entering the boiler, the existing boiler water supply preheating mode is that a water pipe is arranged in a discharge flue of the boiler, after the boiler starts to work, the boiler water is conveyed to a water pipe in the discharge flue, and then the preheated boiler water is conveyed to the boiler. The method has the advantages that the residual heat of the boiler exhaust smoke is used for heating the boiler water, other energy sources are not needed to be additionally used, the use cost is reduced, and resources are saved; in addition, the temperature of the discharged smoke of the boiler is reduced, thereby being beneficial to subsequent waste gas treatment and environmental protection.
The existing boiler feed water preheating device is generally fixed, the passing speed of flue gas in a discharge flue is fixed, the contact time of the flue gas and a heating water tank is fixed, the flue gas discharge efficiency and the water heating efficiency can not be adjusted, the flue gas discharge efficiency and the water heating efficiency can not be balanced as required, and the flue gas discharge is not smooth or the water heating effect is not good.
Disclosure of Invention
The invention aims to overcome the defects of the traditional technology and provide the boiler feed water preheating device, so that reasonable flue gas emission efficiency and water heating efficiency are realized.
The aim of the invention is achieved by the following technical measures: the utility model provides a boiler feed water preheating device, includes the discharge flue, the inboard rotation of discharge flue is connected with a plurality of heating water tanks by rotating drive arrangement driven, heating water tank's both ends all are equipped with the pivot, the pivot is rotated with the discharge flue and is connected, and the one end of pivot is stretched out the discharge flue and is linked together with water supply installation or boiler, the pivot is hollow structure, and one of them pivot is linked together with the water inlet that is located the inboard lower part of heating water tank, and another pivot is linked together with the delivery port that is located the inboard upper portion of heating water tank.
As an improvement: the rotation driving device comprises a motor arranged on the outer side of the discharge flue, the output end of the motor is in transmission connection with a first belt shaft, a third belt wheel is arranged on the first belt shaft, a fourth belt wheel is arranged on the rotating shaft, and a second belt is wound between the first belt shaft and the fourth belt wheels.
As an improvement: the outer side of the discharge flue is connected with a water delivery pipe which is driven by a second reciprocating driving device in a sliding mode and is located below the rotating shaft, the water delivery pipe is communicated with a water supply device or a boiler, a corrugated pipe is connected between the upper portion of the water delivery pipe and the lower side of one end, extending out of the discharge flue, of the rotating shaft, the output end of the motor is further connected with a driving gear in a transmission mode, the outer side of the discharge flue is connected with a transmission gear set which can be meshed with the driving gear in a rotating mode, and the water delivery pipe is provided with convex teeth which are meshed with the transmission gear set.
As an improvement: the corrugated pipe is located between the first arc-shaped plate and the second arc-shaped plate, and limiting plates are arranged at the edges of the first arc-shaped plate and the second arc-shaped plate.
As an improvement: the motor is arranged below the water pipe, a second belt shaft is arranged at the output end of the motor, a second belt wheel is arranged on the second belt shaft, a first belt wheel is arranged on the first belt shaft, and a first belt is wound between the first belt wheel and the second belt wheel.
As an improvement: at least one part of the side wall of the discharge flue is provided with an inner plate and an outer plate, a cavity is arranged between the inner plate and the outer plate, and the third belt wheel, the fourth belt wheel and the second belt are positioned in the cavity.
As an improvement: the thickness of the edges of the two sides of the heating water tank is gradually reduced from inside to outside, openings are formed in the left side wall and the right side wall of the discharge flue, a push-pull rod driven by a first reciprocating driving device is connected to the outer side of the discharge flue in a sliding mode, a shielding plate capable of sealing the openings is arranged on the push-pull rod, a swing plate driven by a swing driving device is hinged to the push-pull rod, a movable plate is connected to the lower end of the swing plate in a sliding mode, a brush body is connected to the lower end of the movable plate, a pressure sensor is arranged between the swing plate and the movable plate, and a dust collection box is arranged on the lower portion of the outer side of each opening.
As an improvement: the swing driving device comprises an air cylinder, a cylinder body of the air cylinder is hinged with a push-pull rod, and a top rod of the air cylinder is hinged with a swing plate.
As an improvement: the swing plate is provided with an air inlet pipe, the air inlet pipe is connected with a dust collector through a dust collection pipe, and the length of the lower end of the air inlet pipe is greater than that of the upper end of the air inlet pipe.
As an improvement: and a dustproof plate is arranged on the push-pull rod, the end part of the dustproof plate is connected with the shielding plate, and the upper side of the dustproof plate is contacted with the upper edge of the opening.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the advantages that: when water preheating is needed, water of the water supply device is sent into the heating water tank, the smoke in the smoke discharge flue transfers heat to the heating water tank through the heating water tank, then water in the heating water tank is heated, the heated water enters the boiler, the residual heat of the smoke is used for preheating water for the boiler, the heat utilization rate is improved, and fuel is saved. When the heating water tanks are in a vertical state, the gap between every two adjacent heating water tanks is large, the passing speed of smoke in the discharge flue is high, and the contact time of the smoke and the heating water tanks is short; when the temperature of the water in the heating water tank needs to be improved, the rotation driving device is started to drive the heating water tank to rotate, the gap between every two adjacent heating water tanks is reduced, the passing speed of the flue gas in the discharge flue is reduced, the contact time of the flue gas and the heating water tank is longer, and the improvement of the heat utilization rate is facilitated. In the in-service use, can change the inclination of heating water tank according to the requirement of difference to realize reasonable fume emission efficiency and water heating efficiency, reach the optimal balanced effect.
The invention is further described with reference to the following figures and detailed description.
Drawings
FIG. 1 is a schematic structural view of a boiler feed water preheating device according to the present invention.
Fig. 2 is a schematic structural view of a portion a in fig. 1.
Fig. 3 is a schematic structural view of the water pipe moving to the right in the part a of fig. 1.
Fig. 4 is a schematic structural view of section B-B in fig. 2.
FIG. 5 is a schematic diagram of the internal structure of a boiler feed water preheating device according to the present invention.
Fig. 6 is a schematic structural view of a portion C in fig. 5.
Fig. 7 is a schematic view of the internal structure of the portion C in fig. 5.
Fig. 8 is a schematic view of the structure of section D-D in fig. 6.
Fig. 9 is a schematic structural view of section E-E in fig. 6.
Fig. 10 is a schematic top view of the portion C in fig. 5.
Fig. 11 is a schematic view of the structure of a portion F in fig. 5.
Fig. 12 is a schematic structural view of section G-G in fig. 11.
FIG. 13 is a schematic view showing the internal structure of a boiler feed water preheating apparatus according to the present invention in a use state.
Fig. 14 is an internal structural view of a portion H in fig. 13.
In the figure: 1-a discharge flue; 2-a guide seat; 3-water conveying pipe; 4-a push-pull rod; 5-a dust suction pipe; 6-cylinder; 7-dust collecting box; 8-a first tape spool; 9-a first belt; 10-a second tape spool; 11-a drive gear; 12-a drive gear set; 13-a first arc; 14-a second arcuate plate; 15-limiting plate; 16-a rotating shaft; 17-a bellows; 18-a cavity; 19-an inner plate; 20-an outer plate; 21-a second bearing; 22-a second belt; 23-a third pulley; 24-a first bearing; 25-heating the water tank; 26-opening; 27-a swing plate; 28-a pressure sensor; 29-a movable plate; 30-a brush body; 31-an intake pipe; 32-a shutter; 33-water outlet; 34-a water inlet; 35-refractory fiber felt; 36-a fourth pulley; 37-a first pulley; 38-a second pulley; 39-a third bearing; 40-dust guard; 41-motor.
Detailed Description
Example (b): as shown in fig. 1 to 14, the boiler feed water preheating device comprises an exhaust flue 1 extending along the upper and lower directions, and the section of the exhaust flue 1 is rectangular. The 1 inboard rotation of discharge flue is connected with a plurality of heating water tanks 25 by the rotation drive device driven, and is concrete, and a plurality of heating water tanks 25 are arranged along left and right direction, and every heating water tank 25 sets up along preceding, rear direction, heating water tank 25's shape is rectangular shape, under the initial condition, the vertical setting of heating water tank 25, the thickness of upper and lower both sides edge reduces from inside to outside gradually, and after heating water tank 25 deflected 90 degrees, the clearance between the edge of two adjacent heating water tanks 25 is less, and it passes through to reduce dust or flue gas. Reducing the dust emission.
Specifically, the middle positions of two ends of the heating water tank 25 are both provided with rotating shafts 16, the rotating shafts 16 are rotatably connected with the discharge flue 1, one end of each rotating shaft 16 extends out of the discharge flue 1 and then is communicated with a water supply device or a boiler, each rotating shaft 16 is of a hollow structure, one rotating shaft 16 is communicated with a water inlet 34 located at the lower part of the inner side of the heating water tank 25, and the other rotating shaft 16 is communicated with a water outlet 33 located at the upper part of the inner side of the heating water tank 25. When in use, the rotating shaft 16 communicated with the water inlet 34 is communicated with a water pump, the rotating shaft 16 communicated with the water outlet 33 is communicated with a boiler, and the rotating shaft 16 simultaneously plays a role in supporting and conveying preheated water, so that the structure is compact. When water preheating is needed, the water pump sends water of the water supply device into the heating water tank 25, smoke in the smoke exhaust channel 1 passes through the heating water tank 25, heat is transferred to the heating water tank 25, water in the heating water tank 25 is further heated, the heated water enters the boiler, residual heat of the smoke is utilized to preheat water for the boiler, the heat utilization rate is improved, and fuel is saved. When the heating water tanks 25 are in a vertical state, the gap between every two adjacent heating water tanks 25 is large, the passing speed of the flue gas in the discharge flue 1 is high, and the contact time of the flue gas and the heating water tanks 25 is short; when the temperature of water in the heating water tank 25 needs to be improved, the rotation driving device is started to drive the heating water tank 25 to rotate, the gap between every two adjacent heating water tanks 25 is reduced, the passing speed of smoke in the smoke exhaust channel 1 is reduced, the contact time of the smoke and the heating water tank 25 is long, and the improvement of the heat utilization rate is facilitated. In actual use, the inclination angle of the heating water tank 25 can be changed according to different requirements, so that reasonable smoke discharge efficiency and water heating efficiency are realized, and an optimal balance effect is achieved.
The rotation driving device comprises a motor 41 arranged on the outer side of the discharge flue 1, the output end of the motor 41 is in transmission connection with a first belt shaft 8, a third belt wheel 23 is arranged on the first belt shaft 8, a fourth belt wheel 36 is arranged on the rotating shaft 16, and a second belt 22 is wound between the first belt shaft 8 and the fourth belt wheels 36. In use, the motor 41 drives the first belt shaft 8 to rotate and drives the rotating shaft 16 to rotate through the second belt 22, so as to realize the deflection of the heating water tank 25.
At least one part of the side wall of the discharge flue 1 is provided with an inner plate 19 and an outer plate 20, a cavity 18 is arranged between the inner plate 19 and the outer plate 20, and the third belt wheel 23, the fourth belt wheel 36 and the second belt 22 are positioned in the cavity 18. Preferably, a refractory fiber felt 35 is disposed between the rotating shaft 16 and the inner plate 19, and the refractory fibers are made by the prior art and are not described herein. The refractory fiber felt 35 plays a role of supporting and sealing a gap between the rotating shaft 16 and the inner plate 19 to prevent smoke from entering the cavity 18, and a third bearing 39 is arranged between the rotating shaft 16 and the outer plate 20. When the belt conveyor is used, the third belt wheel 23, the fourth belt wheel 36 and the second belt 22 are positioned in the cavity 18, so that interference between movable parts and external parts is reduced, and reliability is improved.
The outer side of the discharge flue 1 is connected with a water pipe 3 which is driven by a second reciprocating driving device and is positioned below the rotating shaft 16 in a sliding mode, the water pipe 3 is communicated with a water supply device or a boiler, specifically, a plurality of guide seats 2 are arranged on the outer side of the discharge flue 1, sliding holes for accommodating the water pipe 3 to move are formed in the guide seats 2, the sliding holes are rectangular, and the part, matched with the sliding holes, of the water pipe 3 is rectangular. The second reciprocating driving device comprises a second oil cylinder, and the second oil cylinder adopts the prior art and is not described herein.
A corrugated pipe 17 is connected between the upper part of the water delivery pipe 3 and the lower side of one end of the rotating shaft 16 extending out of the discharge flue 1, the output end of the motor 41 is also in transmission connection with a driving gear 11, the outer side of the discharge flue 1 is rotatably connected with a transmission gear set 12 capable of being meshed with the driving gear 11, and convex teeth meshed with the transmission gear set 12 are arranged on the water delivery pipe 3. When the corrugated pipe type water heater is used, the motor 41 drives the heating water tank 25 to deflect and simultaneously drives the water conveying pipe 3 to move, for example, the rotating shaft 16 rotates anticlockwise, one side of the rotating shaft 16, which is connected with the corrugated pipe 17, turns to the right side, the water conveying pipe 3 correspondingly moves rightwards, the distortion and deformation of the corrugated pipe 17 caused by the relative movement between the rotating shaft 16 and the water conveying pipe 3 are reduced, and the service life of the corrugated pipe 17 is prolonged.
The motor 41 is located below the water pipe 3, the output end of the motor 41 is provided with a second belt shaft 10, the second belt shaft 10 is provided with a second belt wheel 38, the first belt shaft 8 is provided with a first belt wheel 37, a first belt 9 is wound between the first belt wheel 37 and the second belt wheel 38, a second bearing 21 is arranged between the second belt shaft 10 and the outer plate 20, and a first bearing 24 is arranged between the first belt shaft 8 and the outer plate 20. When the water pipe device is used, the motor 41 drives the second belt shaft 10 to further drive the first belt shaft 8, the motor 41 is located below the water pipe 3, interference with the rotating shaft 16 or the corrugated pipe 17 located above the water pipe 3 is reduced, and reliability is improved.
The upper portion of raceway 3 is equipped with a plurality of relative first arc 13 and second arc 14, bellows 17 is located between first arc 13 and the second arc 14, the edge of first arc 13 and second arc 14 is equipped with limiting plate 15, limiting plate 15 is used for avoiding bellows 17 to deviate from first arc 13 or second arc 14. When the corrugated pipe is used, the first arc-shaped plate 13 and the second arc-shaped plate 14 move along with the water conveying pipe 3 and are used for providing guidance for the corrugated pipe 17, for example, the rotating shaft 16 rotates anticlockwise, one side of the rotating shaft 16, which is connected with the corrugated pipe 17, turns to the right side, the water conveying pipe 3 correspondingly moves rightwards, the corrugated pipe 17 is pushed by the first arc-shaped plate 13, the corrugated pipe 17 forms an arc-shaped transition along the first arc-shaped plate 13, the corrugated pipe 17 is prevented from being excessively bent to cause damage, and the service life of the corrugated pipe 17 is prolonged.
A shielding plate 32 capable of closing the opening 26 is arranged on the push-pull rod 4, a swing plate 27 driven by a swing driving device is hinged on the push-pull rod 4, specifically, the swing driving device comprises an air cylinder 6, a cylinder body of the air cylinder 6 is hinged with the push-pull rod 4, and a top rod of the air cylinder 6 is hinged with the swing plate 27. In use, the air cylinder 6 drives the oscillating plate 27 in motion. A movable plate 29 is connected to the lower end of the swinging plate 27 in a sliding manner, a brush body 30 is connected to the lower end of the movable plate 29, a pressure sensor 28 is arranged between the swinging plate 27 and the movable plate 29, and a dust collection box 7 is arranged at the lower part of the outer side of the opening 26. The push-pull rod 4 is provided with a dust-proof plate 40, the end part of the dust-proof plate 40 is connected with the shielding plate 32, and the upper side of the dust-proof plate 40 is contacted with the upper edge of the opening 26. When the push-pull rod 4 extends into the opening 26, the shielding plate 32 seals the side of the push-pull rod 4, and the dust-proof plate 40 seals the upper part of the push-pull rod 4, so that the risk of leakage of smoke through the opening 26 is reduced.
When the dust collection box is used, the heating water tank 25 deflects, the push-pull rod 4 extends into the opening 26, at the moment, the swing plate 27 is in an inclined state, the brush body 30 is not in contact with the heating water tank 25, when the push-pull rod 4 retracts, the swing plate 27 moves, the brush body 30 is in contact with the heating water tank 25, along with the movement of the push-pull rod 4, the brush body 30 brushes dust on the heating water tank 25, when the brush body 30 moves between the two heating water tanks 25, the pressure between the brush body 30 and the heating water tank 25 is reduced, the pressure sensor 28 sends a signal, at the moment, the air cylinder 6 is operated, the swing plate 27 is pushed, the pressure between the brush body 30 and the heating water tank 25 is kept, the cleaning effect is improved, and finally, the brushed dust enters the dust collection box 7 to facilitate treatment.
The swing plate 27 is provided with an air inlet pipe 31, the air inlet pipe 31 is connected with a dust collector through a dust collection pipe 5, the length of the lower end of the air inlet pipe 31 is greater than that of the upper end of the air inlet pipe, the dust collector adopts the prior art, and details are not repeated. When in use, the dust collector is used for sucking out dust in time, which is beneficial to improving the cleaning effect.
In actual use, the heating water tank 25 on one side can deflect firstly, the heating water tank 25 on the other side does not deflect, and when the heating water tank 25 on the left side is cleaned, smoke can be discharged through the right side, so that the cleaning work can be completed conveniently without stopping.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (4)
1. The utility model provides a boiler feedwater preheating device, includes discharge flue (1), its characterized in that: the inner side of the smoke exhaust channel (1) is rotatably connected with a plurality of heating water tanks (25) driven by a rotation driving device, rotating shafts (16) are arranged at two ends of each heating water tank (25), the rotating shafts (16) are rotatably connected with the smoke exhaust channel (1), one ends of the rotating shafts (16) extend out of the smoke exhaust channel (1) and then are communicated with a water supply device or a boiler, the rotating shafts (16) are of hollow structures, one rotating shaft (16) is communicated with a water inlet (34) at the lower part of the inner side of each heating water tank (25), and the other rotating shaft (16) is communicated with a water outlet (33) at the upper part of the inner side of each heating water tank (25);
the rotation driving device comprises a motor (41) arranged on the outer side of the discharge flue (1), the output end of the motor (41) is in transmission connection with a first belt shaft (8), a third belt wheel (23) is arranged on the first belt shaft (8), a fourth belt wheel (36) is arranged on the rotating shaft (16), and a second belt (22) is wound between the first belt shaft (8) and the fourth belt wheels (36);
the outer side of the discharge flue (1) is connected with a water pipe (3) which is driven by a second reciprocating driving device in a sliding mode and is positioned below the rotating shaft (16), the water pipe (3) is communicated with a water supply device or a boiler, a corrugated pipe (17) is connected between the upper portion of the water pipe (3) and the lower side of one end, extending out of the discharge flue (1), of the rotating shaft (16), the output end of the motor (41) is further connected with a driving gear (11) in a transmission mode, a transmission gear set (12) capable of being meshed with the driving gear (11) is rotatably connected to the outer side of the discharge flue (1), and convex teeth meshed with the transmission gear set (12) are arranged on the water pipe (3);
the upper part of the water conveying pipe (3) is provided with a plurality of first arc-shaped plates (13) and second arc-shaped plates (14) which are opposite to each other, the corrugated pipe (17) is positioned between the first arc-shaped plates (13) and the second arc-shaped plates (14), and the edges of the first arc-shaped plates (13) and the second arc-shaped plates (14) are provided with limiting plates (15);
a plurality of guide seats (2) are arranged on the outer side of the discharge flue (1), a sliding hole for accommodating the movement of the water delivery pipe (3) is formed in each guide seat (2), the motor (41) is positioned below the water delivery pipe (3), a second belt shaft (10) is arranged at the output end of the motor (41), a second belt wheel (38) is arranged on each second belt shaft (10), a first belt wheel (37) is arranged on each first belt shaft (8), and a first belt (9) is wound between each first belt wheel (37) and each second belt wheel (38);
at least one part of the side wall of the discharge flue (1) is provided with an inner plate (19) and an outer plate (20), a cavity (18) is arranged between the inner plate (19) and the outer plate (20), and the third belt wheel (23), the fourth belt wheel (36) and the second belt (22) are positioned in the cavity (18);
the thickness of the edges of the two sides of the heating water tank (25) is gradually reduced from inside to outside, openings (26) are formed in the left side wall and the right side wall of the discharge flue (1), a push-pull rod (4) driven by a first reciprocating driving device is connected to the outer side of the discharge flue (1) in a sliding mode, a shielding plate (32) capable of sealing the openings (26) is arranged on the push-pull rod (4), a swinging plate (27) driven by a swinging driving device is hinged to the push-pull rod (4), a movable plate (29) is connected to the lower end of the swinging plate (27) in a sliding mode, a brush body (30) is connected to the lower end of the movable plate (29), a pressure sensor (28) is arranged between the swinging plate (27) and the movable plate (29), and a dust collection box (7) is arranged on the lower portion of the outer side of the openings (26).
2. The boiler feed water preheating device according to claim 1, wherein: the swing driving device comprises an air cylinder (6), a cylinder body of the air cylinder (6) is hinged with the push-pull rod (4), and a top rod of the air cylinder (6) is hinged with the swing plate (27).
3. The boiler feed water preheating device according to claim 2, wherein: be equipped with intake pipe (31) on swing board (27), intake pipe (31) are connected with the dust catcher through dust absorption pipe (5), the length of intake pipe (31) lower extreme is greater than the length of its upper end.
4. The boiler feed water preheating device according to claim 3, wherein: be equipped with dust guard (40) on push-and-pull rod (4), dust guard (40) tip is connected with sunshade (32), dust guard (40) upside and opening (26) top edge contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111158636.5A CN113606600B (en) | 2021-09-30 | 2021-09-30 | Boiler feed water preheating device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111158636.5A CN113606600B (en) | 2021-09-30 | 2021-09-30 | Boiler feed water preheating device |
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| Publication Number | Publication Date |
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| CN113606600A CN113606600A (en) | 2021-11-05 |
| CN113606600B true CN113606600B (en) | 2021-12-07 |
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| CN202111158636.5A Active CN113606600B (en) | 2021-09-30 | 2021-09-30 | Boiler feed water preheating device |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103175298A (en) * | 2013-04-18 | 2013-06-26 | 宋显明 | Energy-saving environment-friendly heating boiler |
| CN106642182A (en) * | 2016-12-15 | 2017-05-10 | 郑州轻工业学院 | Movable type heat exchanger for high-temperature fuel gas residual heat |
| CN212109679U (en) * | 2020-03-30 | 2020-12-08 | 华中科技大学 | Load-adjustable separate heat pipe heat exchanger |
| CN212902689U (en) * | 2020-05-13 | 2021-04-06 | 杭州杭锅工业锅炉有限公司 | Novel leakage self-checking and adjustable hot surface vertical cooling kiln waste heat boiler |
-
2021
- 2021-09-30 CN CN202111158636.5A patent/CN113606600B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103175298A (en) * | 2013-04-18 | 2013-06-26 | 宋显明 | Energy-saving environment-friendly heating boiler |
| CN106642182A (en) * | 2016-12-15 | 2017-05-10 | 郑州轻工业学院 | Movable type heat exchanger for high-temperature fuel gas residual heat |
| CN212109679U (en) * | 2020-03-30 | 2020-12-08 | 华中科技大学 | Load-adjustable separate heat pipe heat exchanger |
| CN212902689U (en) * | 2020-05-13 | 2021-04-06 | 杭州杭锅工业锅炉有限公司 | Novel leakage self-checking and adjustable hot surface vertical cooling kiln waste heat boiler |
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|---|---|
| CN113606600A (en) | 2021-11-05 |
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