CN219120546U

CN219120546U - Condensate water recovery device for boiler

Info

Publication number: CN219120546U
Application number: CN202223259866.3U
Authority: CN
Inventors: 李大才; 宋立信; 裴文成; 陶玉良; 赵凤祥
Original assignee: Guangdong Datang International Leizhou Power Generation Co Ltd
Current assignee: Guangdong Datang International Leizhou Power Generation Co Ltd
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-06-02
Anticipated expiration: 2032-12-06

Abstract

The utility model provides a condensate water recovery device for a boiler, which comprises: the condensing box comprises a condensing box body and a first motor, wherein a heat exchange cavity is formed in the middle of the condensing box body, one end of the heat exchange cavity is communicated with a liquid inlet pipe, the other end of the heat exchange cavity is connected with a liquid outlet pipe, the middle of the first condensing plate and the middle of the second condensing plate are fixedly connected through a fixed block, the edges of the first condensing plate and the second condensing plate are fixedly connected through a fixed rod, the first motor is fixedly connected in the condensing box body through the first fixed plate, the middle of the surface of the second condensing plate is fixedly connected with an output shaft of the first motor, a first collecting tank and a second collecting tank are respectively formed in the bottom of the condensing box body, a first collecting tank is communicated with a recovery port, and the second collecting tank is communicated with the recovery port through the second recovery tank. According to the utility model, through the cooperation of the first condensing plate, the second condensing plate and the communicating pipe, the vapor can fully contact with the liquid in the heat exchange cavity through the communicating pipe when passing through the condensing groove, so that the condensing effect of the vapor is improved.

Description

Condensate water recovery device for boiler

Technical Field

The utility model relates to the technical field of condensate water equipment, in particular to a condensate water recovery device for a boiler.

Background

The boiler is an energy conversion device, the energy input to the boiler is chemical energy and electric energy in fuel, the boiler outputs steam, high temperature water or organic heat carrier with certain heat energy, but the flue gas condensate of the existing boiler is basically simply treated and directly discharged to municipal pipe network after reaching the discharge standard, and the condensate is not recycled, thus easily causing resource waste.

Through retrieval, the third water pipe at the upper end of the water tank of the recovery device enables steam which is not converted into water to enter the second water pipe for re-entering liquefaction treatment, the liquefied water comes out of the fourth water pipe at the bottom end of the water tank, the booster pump is started, the water in the fourth water pipe is driven to enter the boiler main body through the fifth water pipe, and recovery and utilization of condensate water are achieved, but when the recovery device carries out refrigeration liquefaction on the steam through the condensing pipe, the condensing pipe and the steam cannot be fully contacted, and further the condensation effect of the steam is not beneficial to further improvement.

Disclosure of Invention

In order to overcome the defects in the prior art, a device for recycling boiler condensate water is provided, so as to solve the problems of improving the condensing effect and recycling rate of water vapor in the prior art.

A condensate water recovery apparatus for a boiler, comprising: the condensing box (1) is connected with the air inlet pipe (2), the condensing box (1) is connected with the air outlet pipe, the condensing box (1) is connected with the water storage tank (6), the condensing box (1) is communicated with the water storage tank (6) through a recovery port, meanwhile, a water pump is fixedly connected in the water storage tank (6), the water pump is connected with the boiler through a conveying pipe (10), the condensing box (1) is provided with a heat exchange cavity (19), the heat exchange cavity (19) is communicated with the liquid inlet pipe (18), the heat exchange cavity (19) is connected with the liquid outlet pipe, the first condensing plate (16) is connected with the second condensing plate through a fixed block (3), the first condensing plate (16) is connected with the second condensing plate through a fixed rod (15), meanwhile, the first condensing plate (16) is connected with the second condensing plate through a sealing plate (13) respectively in a sealing groove, the first sealing groove is provided with two sides of the heat exchange cavity (19), and the first sealing groove is internally connected with the first sealing layer (17);

the first motor (11) is connected in the condensing box (1) through the first fixed plate (12), the first motor (11) is located on the second condensing plate, the first condensing box (1) is provided with the first collecting tank (4) and the second collecting tank, the first collecting tank (4) is communicated with the recovery port, the second collecting tank is communicated with the recovery port through the second recovering tank (5), the first condensing plate (16) is connected with the second condensing plate through the second communicating pipe (14), the first condensing plate (16) and the second condensing plate are provided with the first groove and the second groove, the guide rod (8) is connected in the water storage tank (6), the guide rod (8) is connected to the trigger plate (9), and the trigger (7) is connected to the water storage tank (6).

The diameter of the first condensation plate (16) is larger than that of the cross section of the condensation groove, and the first condensation plate (16) is connected with the first sealing plate (13); a plurality of groups of communicating pipes (14) are uniformly and fixedly connected between the first condensing plate (16) and the second condensing plate by a plurality of groups of fixing rods (15), the size of the communicating pipe (14) close to one end of the air inlet pipe (2) is larger than that of the other end, and the width of the first groove is larger than that of the second groove; the heat exchange cavity (19) is provided with a sealing groove, and the size of the sealing groove is matched with that of the sealing plate I (13); and the lower end of the second collecting tank is communicated with the second recovery tank (5).

Advantageous effects

According to the utility model, the first condensing plate, the second condensing plate, the first sealing layer and the communicating pipe are matched, so that the heat exchange cavity can form a relatively closed independent space, then when the heat exchange cavity is filled with liquid, the communicating pipe can be completely immersed in the liquid, and then after water vapor flows into the communicating pipe through the condensing plate to realize split flow, the water vapor in the communicating pipe can exchange heat with the liquid in the heat exchange cavity comprehensively, the actual heat exchange area is effectively increased, and the condensing effect of the water vapor can be improved.

The utility model ensures the condensation effect of the cooling liquid on the water vapor by the cooling liquid filled in the heat exchange cavity 19 through the matching of the liquid inlet pipe 18 and the liquid outlet pipe, then the water vapor generated by the boiler enters the condensation box 1 through the air inlet pipe 2, and the water vapor flows into the communicating pipe 14 through the groove I formed by the condensation plate I16, then when the water vapor flows into the communicating pipe 14, the diversion of the water vapor is synchronously completed, the subsequent condensation effect of the water vapor is convenient to be improved, the water vapor can fully exchange heat with the cooling liquid through the communicating pipe 14, thereby realizing the condensation treatment of the water vapor, the condensed air flow flows out of the condensation box 1 through the groove II formed by the condensation plate II, and simultaneously, when the water vapor flows into the condensation box 1, the switch of the motor I11 is started, the motor I11 drives the condensation plate II to rotate at a low speed through the output shaft, the condensation plate II can synchronously drive the condensation plate II 16 to rotate through the cooperation of the fixing rod 15, the fixing block II 3 and the communicating pipe 14, the rotating communicating pipe 14 and the fixing rod 15 can correspondingly stir the cooling liquid in the heat exchange cavity 19, the uniformity of the cooling liquid in the heat exchange cavity 19 is ensured, meanwhile, the motor I11 is fixedly connected in the motor box, the output shaft of the motor I11 is movably connected with the motor box through the sealing bearing, the motor I11 has a waterproof effect, the rotating condensation plate I16, the communicating pipe 14 and the condensation plate II can assist in improving the efficiency of separating condensate from the communicating pipe 14, the condensate is convenient to flow into the water storage tank 6 through the collecting tank I4 or the collecting tank, the cooling liquid accumulated in the water storage tank 6 can push the trigger plate 9 to move upwards through buoyancy, and then after the trigger plate 9 is communicated with the trigger 7, the trigger 7 can start the time delay switch of the water pump, ensures that the water pump can run for a period of time continuously, and enables the water pump to input cooling liquid in the water storage tank 6 into the boiler through the conveying pipe 10, thereby recycling condensed water, and the trigger 7 is electrically connected with the water pump and an external power supply respectively.

Drawings

Fig. 1 is a schematic front view of an embodiment of the present utility model.

Fig. 2 is a schematic top view of an embodiment of the present utility model.

Fig. 3 is a schematic side view of an embodiment of the present utility model.

Fig. 4 is an enlarged schematic view at a of fig. 1 according to an embodiment of the present utility model.

In the figure: 1. a condensing box; 2. an air inlet pipe; 3. a first fixed block; 4. a first collecting tank; 5. a second recovery tank; 6. a water storage tank; 7. a trigger; 8. a guide rod; 9. a trigger plate; 10. a delivery tube; 11. a first motor; 12. a first fixing plate; 13. a first sealing plate; 14. a communicating pipe; 15. a fixed rod; 16. a first condensing plate; 17. a first sealing layer; 18. a liquid inlet pipe; 19. a heat exchange cavity.

Description of the embodiments

Referring to fig. 1 to 4, the present utility model provides a condensate water recovery apparatus for a boiler, comprising: the condensing box 1 and the first motor 11, condensing box 1 one end fixed connection intake pipe 2, condensing box 1's the other end fixed connection outlet duct, and condensing box 1's lower fixed surface connects storage water tank 6, condensing box 1 and storage water tank 6 pass through recovery mouth intercommunication, simultaneously storage water tank 6 internal fixation connection water pump, the water pump passes through conveyer pipe 10 and connects the boiler, heat transfer cavity 19 is seted up at condensing box 1's middle part, and heat transfer cavity 19's one end intercommunication feed liquor pipe 18, and the drain pipe is connected to heat transfer cavity 19's the other end, and condensing plate one 16 and condensing plate two's middle part pass through fixed block one 3 fixed connection, condensing plate one 16 and condensing plate two's edge pass through dead lever 15 fixed connection, condensing plate one 16 and condensing plate two pass through closing plate one 13 respectively sliding connection in the seal groove one, the both sides of heat transfer cavity 19 are seted up to the first symmetry of seal groove to sealing layer one 17 in the seal groove, motor one 11 passes through fixed connection in condensing box 1, and the middle part of motor one 11's output shaft fixed connection condensing plate two surfaces, and condensing box 1's bottom is seted up respectively and is collected groove one 4 and collect groove two, collect groove one 4 and collect groove two, and collect groove one 4 and two guide plate 6 and two corresponding guide plate 6, trigger two guide plate 6 and two guide plate and two corresponding to the corresponding position of the first guide plate 6 trigger two, the first position and the second guide plate 6 trigger the corresponding position of the first connecting plate 6 in the connecting plate 6, and the first guide plate 6 trigger the two guide plate is connected to the two guide plate 6.

As a preferred embodiment, the whole condensing box 1 is of a cuboid structure, a condensing tank arranged in the condensing box 1 is of a cylindrical structure, a heat exchange cavity 19 arranged in the middle of the condensing box 1 is of a square structure, and the size of the heat exchange cavity 19 is larger than that of the diameter section of the condensing tank.

In this embodiment, as shown in fig. 1 and 3, the size of the heat exchange cavity 19 is larger than that of the condensation tank, and the size of the heat exchange cavity 19 is smaller than that of the outer surface of the condensation tank 1, so that the integrity of the condensation tank 1 can be ensured, and the cooling liquid can be conveniently filled in the heat exchange cavity 19.

In a preferred embodiment, the first condensation plate 16 has a circular structure, the diameter of the first condensation plate 16 is larger than the diameter of the diameter section of the condensation groove, one side of the first condensation plate 16, which is close to the side surface of the heat exchange cavity 19, is fixedly connected with the first sealing plate 13, the first sealing plate 13 has a circular ring structure, and meanwhile, the second condensation plate 16 has the same structure as the first condensation plate 16.

In this embodiment, as shown in fig. 1 and 2, the first condensation plate 16, the second condensation plate and the first sealing plate 13 are matched, so that the heat exchange cavity 19 and the condensation groove can be separated to form a relatively independent space, and the sealing performance of the separation part of the heat exchange cavity 19 and the condensation groove can be effectively enhanced by the arrangement of the first sealing plate 13, so that the leakage of the cooling liquid into the condensation groove is avoided.

As a preferred embodiment, the edges of the first condensation plate 16 and the second condensation plate are fixedly connected with a plurality of groups of fixing rods 15 at equal intervals, the fixing rods 15 and the first fixing block 3 are of cylindrical structures, and meanwhile, the cross section formed by combining the first condensation plate 16, the second condensation plate, the fixing rods 15 and the first fixing block 3 is of a Chinese character 'ri' -shaped structure.

In this embodiment, as shown in fig. 2, the fixing rod 15 and the fixing block 3 fixedly connected between the first condensation plate 16 and the second condensation plate can ensure that the first condensation plate 16 and the second condensation plate can rotate synchronously, and the structural strength of the edges of the first condensation plate 16 and the second condensation plate can be enhanced by the arrangement of the fixing rod 15, so that the tightness of the side surfaces of the first condensation plate 16 or the second condensation plate and the heat exchange cavity 19 can be enhanced in an auxiliary manner.

As a preferred embodiment, the condensing plate one 16 and the condensing plate two are uniformly and fixedly connected with a plurality of groups of communicating pipes 14, the communicating pipes 14 are in a hollow truncated cone-shaped structure, the size of one end of the communicating pipe 14 close to the air inlet pipe 2 is larger than that of the other end, meanwhile, the groove one and the groove two are in circular structures, and the diameter of the groove one is larger than that of the groove two.

In this embodiment, as shown in fig. 1 and 2, by the arrangement of the communicating tube 14, the heat exchange area of the vapor and the coolant is effectively increased, so as to enhance the condensation effect of the vapor, while the structure of the communicating tube 14 enables the vapor in the communicating tube 14 to gradually reduce the size of the airflow section in the process of flowing along the inner wall of the communicating tube 14, so as to further ensure the heat exchange effect of the coolant on the vapor, and further improve the condensation effect of the vapor.

As a preferred embodiment, a sealing groove is formed in one side, close to the condensation groove, of the side face of the heat exchange cavity 19, the sealing groove is of a circular ring structure, the section of the sealing layer fixedly connected in the sealing groove is of a concave structure, and meanwhile, the size of the sealing layer is matched with that of the sealing plate I13.

In this embodiment, as shown in fig. 4, the sealing layer is provided, so that the tightness between the sealing groove and the first sealing plate 13 can be enhanced, and then the tightness at the separation part of the heat exchange cavity 19 and the condensation groove can be further enhanced.

As a preferred implementation mode, the cross section of the collecting tank I4 and the cross section of the collecting tank II which are arranged at the bottom of the condensing tank 1 are of right trapezoid structures, the lower end of the collecting tank II is communicated with the recycling tank II 5, the recycling tank II 5 is of rectangle structure, and the cross section formed by combining the collecting tank II and the recycling tank II 5 is of L-shaped structure.

In this embodiment, as shown in fig. 3 and fig. 4, the first collecting tank 4 and the second collecting tank are arranged, so that the condensed water in the condensing tank 1 can be collected and flow into the water storage tank 6, thereby improving the collecting effect of the condensed water and facilitating the same treatment of the condensed water.

The boiler condensate water recovery device can effectively enhance the condensing effect of the steam by increasing the heat exchange area of the steam and the cooling liquid, can avoid the accumulation of local heat of the cooling liquid, and ensures the integral cooling effect.

Claims

1. A condensate water recovery apparatus for a boiler, comprising: the utility model provides a condensing box (1) and motor one (11), intake pipe (2) are connected to condensing box (1), outlet duct is connected to condensing box (1), and condensing box (1) connect storage water tank (6), condensing box (1) and storage water tank (6) are through retrieving mouthful intercommunication, fixed connection water pump in storage water tank (6) simultaneously, and the boiler is connected through conveyer pipe (10) to the water pump, its characterized in that:

the condensing box (1) is provided with a heat exchange cavity (19), the heat exchange cavity (19) is communicated with a liquid inlet pipe (18), the heat exchange cavity (19) is connected with a liquid outlet pipe, a first condensing plate (16) is connected with a second condensing plate through a first fixing block (3), the first condensing plate (16) is connected with the second condensing plate through a fixing rod (15), meanwhile, the first condensing plate (16) and the second condensing plate are respectively connected in a first sealing groove through a first sealing plate (13), the first sealing grooves are respectively arranged on two sides of the heat exchange cavity (19), and the first sealing grooves are connected with a first sealing layer (17);

2. A condensate water recovery apparatus for a boiler as claimed in claim 1, wherein the diameter of the first condensation plate (16) is larger than the diameter of the cross section of the condensation channel, and the first condensation plate (16) is connected to the first sealing plate (13); a plurality of groups of communicating pipes (14) are uniformly and fixedly connected between the first condensing plate (16) and the second condensing plate by a plurality of groups of fixing rods (15), the size of the communicating pipe (14) close to one end of the air inlet pipe (2) is larger than that of the other end, and the width of the first groove is larger than that of the second groove; the heat exchange cavity (19) is provided with a sealing groove, and the size of the sealing groove is matched with that of the sealing plate I (13); and the lower end of the second collecting tank is communicated with the second recovery tank (5).