Boiler water supply cooling equipment for thermal power plant

Abstract

The utility model relates to the technical field of heat-engine plant boiler water supply cooling, and discloses a heat-engine plant boiler water supply cooling device which comprises a cooling box, a plurality of air inlet holes are formed in one side of the cooling box, a conversion barrel is arranged above the cooling box, a barrel cover is fixedly installed on one side of the conversion barrel, and a plurality of air outlet holes are formed in the other side of the conversion barrel. The top of the conversion barrel communicates with an upper pipe, the bottom of the conversion barrel communicates with a lower pipe, a first rotating shaft is rotationally installed on the barrel cover in a penetrating mode, an impeller is fixedly installed on the first rotating shaft in a sleeving mode and located between the upper pipe and the lower pipe, and the upper pipe is connected with a boiler water supply end. By means of the conversion cylinder, the upper pipe, the lower pipe, the cylinder cover, the first rotating shaft, the impeller, the belt wheel and the belt, potential energy of boiler water supply can be converted into kinetic energy of rotation of the fan blades, air can be conveyed into the cooling box through the air inlet holes without using electric energy to drive the fan blades, the boiler water supply can be cooled, and energy waste is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of power plant boiler water supply cooling technology, concretely to a boiler water supply cooling equipment for power plant. BACKGROUND

[0002] The boiler is a kind of energy converter, it is using the heat energy released by fuel combustion or other heat energy to heat the working water or other fluid to certain parameters equipment, in power plant, the role of boiler is to change the chemical energy of fuel into heat energy, and utilize heat energy to heat the water in the pot to become superheated steam with enough quantity and certain quality of steam temperature, steam pressure, for steam turbine use;Generally, in order to save water resources and recycle, and prevent equipment overheating damage, the boiler water supply needs to be cooled and recycled.

[0003] The patent document with the announcement number CN209511985U has been published, discloses a boiler water supply cooling equipment for power plant, the published patent document is provided with connecting fin, is favorable to the dispersion of most energy in the water supply pipe, the setting of fan and heat dissipation hole can discharge the heat dissipated from the main body, dust filter screen can block dust, ensure the cleanliness in heat dissipation cavity, by the Z shape of water supply pipe in cooling cavity, the cooling effect of water supply can be improved, the setting of spring, base and fixing block provides certain shock buffering effect for cooling equipment, the upper and lower of cooling cavity are provided with heat preservation plate, ensure the temperature of cooling cavity, and the practicality is strong;But the above-mentioned published patent document needs to use electric energy to provide energy for the rotation of fan blade, does not utilize the potential energy of boiler water supply, causes the waste of energy. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a boiler water supply cooling equipment for power plant, solve the problem proposed in background art.

[0005] The utility model discloses a boiler water supply cooling equipment for power plant, including cooling box, the side of cooling box is equipped with a plurality of air inlet, and the upper portion of cooling box is provided with conversion cylinder, one side of conversion cylinder is fixedly installed the cylinder cover, the top of conversion cylinder is connected with upper pipe, and the bottom of conversion cylinder is connected with lower pipe, cylinder cover is penetrated and is rotatably installed with the shaft no.

[0006] By adopting the technical scheme, the boiler water is impacted by the upper pipe impeller, the impeller drives the rotation of the shaft, and the plurality of belt pulleys and belts drive the rotation of all the shafts, so that the potential energy of the boiler water is converted into the kinetic energy of the fan blade rotation, without using electric energy to drive the fan blade, the air can be transported into the cooling box through the air inlet hole, so as to cool and cool the boiler water.

[0007] Optionally, the top of the cooling box is penetrated by a water inlet pipe, and the bottom of the cooling box is penetrated by a drain pipe, the inside of the cooling box is fixedly installed with a cooling pipe, the upper and lower ends of the cooling pipe are communicated with the water inlet pipe and the drain pipe respectively, the cooling pipe is composed of a plurality of M-shaped pipes connected in head-tail mode, and a plurality of annular fins are sleeved and fixedly connected on the cooling pipe, a plurality of through holes are formed in the annular fins.

[0008] By adopting the technical scheme, since the cooling pipe is composed of a plurality of M-shaped pipes connected in head-tail mode, the flow path of the boiler water in the cooling box is increased, so that the cooling time is increased, the cooling effect is increased, and the annular fins can absorb the heat in the boiler water in the cooling pipe, and the air cooling can quickly take out the heat, further increasing the cooling effect.

[0009] Optionally, a plurality of air outlet holes are formed in one side of the cooling box.

[0010] By adopting the technical scheme, the air for air cooling is conveniently discharged from the cooling box.

[0011] Optionally, the bottom of the conversion cylinder is fixedly installed with four supporting rods, and the lower end of the supporting rod is fixedly installed with the top of the cooling box.

[0012] By adopting the technical scheme, the stability of the installation between the conversion cylinder and the cooling box is ensured.

[0013] Optionally, a plurality of mounting bolts are penetrated and threadedly connected between the cylinder cover and the conversion cylinder.

[0014] By adopting the technical scheme, the installation and disassembly of the cylinder cover are facilitated, so that the maintenance of the conversion cylinder is facilitated.

[0015] Optionally, a matching box door is hingedly connected to the front side of the cooling box.

[0016] By adopting the technical scheme, the opening and closing of the cooling box are facilitated.

[0017] Optionally, a supporting leg is fixedly connected to each of the four corners of the bottom of the cooling box, and an antiskid pad is fixedly installed at the bottom of the supporting leg.

[0018] By adopting the technical scheme, the stability of the placement of the cooling box is increased.

[0019] Compared with the prior art, the beneficial effects of the technical solution of this application are as follows:

[0020] 1. The technical solution of this application can convert the potential energy of the boiler water supply into the kinetic energy of the fan blade rotation through the conversion cylinder, upper pipe, lower pipe, cylinder cover, rotating shaft, impeller, pulley and belt. Air can be delivered to the cooling box through the air inlet without the need for electric power to drive the fan blade, so as to cool the boiler water supply and reduce energy waste.

[0021] 2. The technical solution of this application increases the flow path of boiler water in the cooling box by using a cooling pipe composed of multiple M-shaped pipes connected end to end, thereby increasing the cooling time and the cooling effect. In addition, the annular fins can absorb the heat in the boiler water in the cooling pipe, and the air cooling can quickly remove the heat, further increasing the cooling effect. Attached Figure Description

[0022] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0023] Figure 1 This is a schematic diagram of the structure of this utility model;

[0024] Figure 2 This is a schematic diagram of the installation structure of the converter cylinder and cylinder cover of this utility model;

[0025] Figure 3 This utility model Figure 1 Enlarged view of point A in the middle;

[0026] Figure 4 This is a schematic diagram of the internal structure of the cooling box of this utility model;

[0027] Figure 5 This utility model Figure 1 Enlarged view of point B in the middle;

[0028] Figure 6 This utility model Figure 4 Enlarged view of point C in the middle.

[0029] In the diagram: 1. Cooling box; 2. Air inlet; 3. Converter cylinder; 4. Cylinder cover; 5. Upper pipe; 6. Belt; 7. Box door; 8. Support leg; 9. Shaft one; 10. Impeller; 11. Pulley; 12. Lower pipe; 13. Mounting bolt; 14. Shaft two; 15. Fan blade; 16. Support component; 17. Cooling pipe; 18. Exhaust vent; 19. Annular fin; 20. Drain pipe; 21. Water inlet pipe; 22. Support rod; 23. Through hole. Detailed Implementation

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort belong to the scope of the present application.

[0031] Please refer to Figures 1-3 The utility model provides a boiler water supply cooling equipment for thermal power plant, including cooling box 1, the side of cooling box 1 is equipped with several air inlet holes 2, and the top of cooling box 1 is provided with conversion cylinder 3, the side of conversion cylinder 3 is fixedly installed with cylinder cover 4, the top of conversion cylinder 3 is connected with upper tube 5, and the bottom of conversion cylinder 3 is connected with lower tube 12, cylinder cover 4 is penetrated and is rotatably installed with the shaft no. 1 9, the impeller 10 of sleeve set and fixed installation is installed on the shaft no. 9, and the impeller 10 is between upper tube 5 and lower tube 12, upper tube 5 is connected with boiler water supply end, the inside of air inlet hole 2 is passed through with the shaft no. 2 14, the support 16 of sleeve set and rotatable connection is installed on the shaft no. 2 14, and the fan blade 15 of fixed installation is installed on the one end of shaft no. 2 14, the support 16 is fixedly installed with the inner wall of air inlet hole 2, the belt pulley 11 of sleeve set and fixed installation is installed on the shaft no. 1 9 and the shaft no. 2 14, and the belt 6 is set between every two vertical adjacent belt pulleys 11;

[0032] In this technical scheme, the boiler water supply impacts the impeller 10 through the upper tube 5, the impeller 10 drives the shaft no. 1 9 to rotate, all shaft no. 2 14 is driven to rotate through multiple belt pulleys 11 and belts 6, so that the potential energy of boiler water supply is converted into the kinetic energy of fan blade 15 rotation, without using electric energy to drive fan blade 15, air can be transported to cooling box 1 through air inlet hole 2, so as to cool and cool the boiler water supply, reduce the waste of energy.

[0033] In some technical solutions, as shown in Figure 1 and Figures 4-6 The top of cooling box 1 is penetrated with water inlet pipe 21, and the bottom of cooling box 1 is penetrated with drain pipe 20, the inside of cooling box 1 is fixedly installed with cooling pipe 17, the upper and lower ends of cooling pipe 17 are communicated with water inlet pipe 21 and drain pipe 20 respectively, cooling pipe 17 is composed of multiple M-shaped pipes connected in head-to-tail, and a plurality of annular fins 19 are sleeved and fixedly connected on cooling pipe 17, a plurality of through holes 23 are formed in annular fins 19.

[0034] When in use, the boiler water supply enters cooling pipe 17 through water inlet pipe 21, since cooling pipe 17 is composed of multiple M-shaped pipes connected in head-to-tail, the flow path of boiler water supply in cooling box 1 is increased, so that the cooling time is increased, and the cooling effect is increased, and the heat in the boiler water supply in cooling pipe 17 can be absorbed by annular fins 19, and the heat can be quickly taken out through air cooling, so as to further increase the cooling effect.

[0035] In some technical solutions, as shown in the figure, the side of the cooling box 1 is provided with a plurality of exhaust holes 18. Figure 4

[0036] In use, the air for air cooling is conveniently discharged from the cooling box 1 through the exhaust holes 18.

[0037] In some technical solutions, as shown in the figure, the bottom of the conversion cylinder 3 is fixedly provided with four supporting rods 22, and the lower end of the supporting rod 22 is fixedly installed on the top of the cooling box 1. Figure 5

[0038] In use, the stability of the installation between the conversion cylinder 3 and the cooling box 1 is ensured through the supporting rod 22.

[0039] In some technical solutions, as shown in the figure, a plurality of mounting bolts 13 are penetrated and threadedly connected between the cylinder cover 4 and the conversion cylinder 3. Figure 2

[0040] In use, the installation and dismounting of the cylinder cover 4 are facilitated through the mounting bolt 13, so that the conversion cylinder 3 is conveniently overhauled.

[0041] In some technical solutions, as shown in the figure, a matching box door 7 is hingedly connected to the front side of the cooling box 1. Figure 1

[0042] In use, the opening and closing of the cooling box 1 are facilitated.

[0043] In some technical solutions, as shown in the figure, supporting legs 8 are fixedly connected at the four corners of the bottom of the cooling box 1, and antiskid pads are fixedly installed on the bottom of the supporting leg 8. Figure 1

[0044] In use, the stability of the placement of the cooling box 1 is increased through the antiskid pads on the bottom of the supporting leg 8.

[0045] Working principle: in the use process, first, the boiler feed water to be cooled is delivered into the upper pipe 5, the boiler feed water first impacts the impeller 10, the impeller 10 drives the rotating shaft one 9 to rotate, all rotating shafts two 14 are driven to rotate through a plurality of belt pulleys 11 and belts 6, so that the potential energy of the boiler feed water is converted into the kinetic energy of the fan blades 15 rotating, without using electric energy to drive the fan blades 15, air can be delivered into the cooling box 1 through the air inlet hole 2, and discharged from the exhaust hole 18, so as to cool and cool the boiler feed water, the boiler feed water enters the cooling pipe 17 through the water inlet pipe 21, since the cooling pipe 17 is composed of a plurality of M-shaped pipes connected end to end, the flow path of the boiler feed water in the cooling box 1 is increased, so that the cooling time is increased, and the cooling effect is increased, and the heat in the boiler feed water in the cooling pipe 17 can be absorbed through the annular fin 19, and the heat can be quickly taken out through air cooling, further increasing the cooling effect. ​​​​​

[0046] The above merely provide preferred embodiments of the present application, but are not intended to limit the present application. Described in detail with reference to the foregoing embodiments, those skilled in the art can make modifications to the technical solutions described in the foregoing embodiments, or make equivalent replacements to some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A boiler feed water cooling apparatus for a thermal power plant, comprising a cooling tank (1), characterized in that: The side of the cooling box (1) is provided with a plurality of air inlet holes (2), and the upper part of the cooling box (1) is provided with a conversion cylinder (3), one side of the conversion cylinder (3) is fixedly installed with a cylinder cover (4), the top of the conversion cylinder (3) is communicated with an upper pipe (5), and the bottom of the conversion cylinder (3) is communicated with a lower pipe (12), the cylinder cover (4) is rotatably installed with a rotating shaft (9), the rotating shaft (9) is sleeved with a impeller (10), and the impeller (10) is between the upper pipe (5) and the lower pipe (12), the upper pipe (5) is connected with a boiler water supply end, the rotating shaft (14) penetrates the inside of the air inlet hole (2), the rotating shaft (14) is rotatably connected with a supporting piece (16), and the one end of the rotating shaft (14) is fixedly installed with a fan blade (15), the supporting piece (16) and the inner wall of the air inlet hole (2) are fixedly installed, the rotating shaft (9) and the rotating shaft (14) are both sleeved with a belt pulley (11), and a belt (6) is arranged between vertically adjacent two belt pulleys (11).

2. A boiler feedwater cooling apparatus for a thermal power plant according to claim 1, characterized in that, The top of the cooling box (1) is penetrated by a water inlet pipe (21), and the bottom of the cooling box (1) is penetrated by a drain pipe (20), the inside of the cooling box (1) is fixedly installed with a cooling pipe (17), the upper and lower ends of the cooling pipe (17) are communicated with the water inlet pipe (21) and the drain pipe (20) respectively, the cooling pipe (17) is composed of a plurality of M-shaped pipes connected in head-to-tail mode, and a plurality of annular fins (19) are sleeved and fixedly connected on the cooling pipe (17), a plurality of through holes (23) are formed in the annular fins (19).

3. The water supply and cooling device for a boiler of a thermal power plant according to claim 1, characterized in that, The side of the cooling box (1) is provided with a plurality of air inlet holes (2), and the upper part of the cooling box (1) is provided with a conversion cylinder (3), one side of the conversion cylinder (3) is fixedly installed with a cylinder cover (4), the top of the conversion cylinder (3) is communicated with an upper pipe (5), and the bottom of the conversion cylinder (3) is communicated with a lower pipe (12), the cylinder cover (4) is rotatably installed with a rotating shaft (9), the rotating shaft (9) is sleeved with a impeller (10), and the impeller (10) is between the upper pipe (5) and the lower pipe (12), the upper pipe (5) is connected with a boiler water supply end, the rotating shaft (14) penetrates the inside of the air inlet hole (2), the rotating shaft (14) is rotatably connected with a supporting piece (16), and the one end of the rotating shaft (14) is fixedly installed with a fan blade (15), the supporting piece (16) and the inner wall of the air inlet hole (2) are fixedly installed, the rotating shaft (9) and the rotating shaft (14) are both sleeved with a belt pulley (11), and a belt (6) is arranged between vertically adjacent two belt pulleys (11).

4. The water supply and cooling device for a boiler of a thermal power plant according to claim 1, characterized in that, The top of the cooling box (1) is penetrated by a water inlet pipe (21), and the bottom of the cooling box (1) is penetrated by a drain pipe (20), the inside of the cooling box (1) is fixedly installed with a cooling pipe (17), the upper and lower ends of the cooling pipe (17) are communicated with the water inlet pipe (21) and the drain pipe (20) respectively, the cooling pipe (17) is composed of a plurality of M-shaped pipes connected in head-to-tail mode, and a plurality of annular fins (19) are sleeved and fixedly connected on the cooling pipe (17), a plurality of through holes (23) are formed in the annular fins (19).

5. The apparatus according to claim 1, wherein The bottom of the cooling box (1) is fixedly connected with four supporting legs (8), and the bottom of each supporting leg (8) is fixedly installed with an antiskid pad.

6. A boiler feedwater cooling apparatus for a thermal power plant according to claim 1, characterized in that, ​ 7. A boiler feed water cooling apparatus for a thermal power plant according to claim 1, characterized in that, ​

Images