CN215491161U

CN215491161U - Spraying device of condenser of direct air cooling unit

Info

Publication number: CN215491161U
Application number: CN202121201969.7U
Authority: CN
Inventors: 赵世军; 张宏胜; 李志国
Original assignee: Inner Mongolia Jingke Power Co ltd
Current assignee: Inner Mongolia Jingke Power Co ltd
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2022-01-11
Anticipated expiration: 2031-05-27

Abstract

The utility model discloses a spray device of a condenser of a direct air cooling unit, which comprises a main pipeline, branch pipelines, a first sub-branch pipeline, a second sub-branch pipeline, a connecting pipeline, nozzles, a flow control assembly and a valve assembly, wherein one end of each branch pipeline is connected with the main pipeline, the other end of each branch pipeline is connected with the first sub-branch pipeline, one end of each connecting pipeline is connected with the first sub-branch pipeline, the other end of each connecting pipeline is connected with the second sub-branch pipeline, the main pipeline is provided with the flow control assembly, the branch pipelines are provided with the valve assemblies, and the first sub-branch pipelines and the second sub-branch pipelines are respectively provided with a plurality of nozzles. The utility model belongs to the technical field of spraying devices; the technical effects achieved are as follows: the arrangement position of the nozzles is more reasonable due to the arrangement of the second sub-branch pipelines, the water mist sprayed out of the nozzles is prevented from being directly sprayed to the color steel plates of the partition walls below and on the two sides of the pipelines, and the waste of demineralized water is avoided.

Description

Spraying device of condenser of direct air cooling unit

Technical Field

The utility model relates to the technical field of spraying devices, in particular to a spraying device of a condenser of a direct air cooling unit.

Background

As shown in fig. 6 and 7, the air cooling condenser of kyoto power generation limited company consists of 6 rows, each row has 5 fans, and there are 30 fans. The 6 rows of air cooling island fan rooms are A, B, C, D, E, F rows respectively arranged from south to north, each row is provided with 5 fan rooms, the fan rooms are No. 1, No. 2, No. 3, No. 4 and No. 5 fan rooms respectively arranged from west to east, and the fan rooms are positioned by the numbers of the rows and are respectively called A1, A2, A3, A4, A5, F1, F2, F3, F4 and F5.

The air cooling spraying system is installed and put into use in 2010, a boiler water feeding pump is designed to supply water, a phi 133 spraying main pipe is led to the air cooling island platform from the outlet of the boiler water feeding pump, a spraying branch pipe is respectively installed on the north and south sides in each row of fan chambers, the inlet of each branch pipe is a phi 38 stainless steel pipeline, the distance from the inlet of each spraying branch pipe in the No. 5 fan chamber to the platform is 500mm, the elevation of the air cooling island platform is +32.00 m, and the distance from the tail end of the spraying branch pipe in the No. 1 fan chamber to the platform is 224 mm. And a water drain door is arranged at the tail end of the pipeline in the No. 1 fan chamber of each branch pipe. Connect out 5 lateral branches on every side pipe in every fan chamber, lateral branch length is the 1 st and the 5 th 1400mm in outside respectively, 3 rd lateral branch length 300 in the middle, 2 nd and 4 th lateral branch length 500mm, distance 1500mm between every lateral branch. Each branch pipe is provided with a hollow cone wide-angle nozzle with the flow rate of 4.5L/min, and each fan room is provided with 10 nozzles, and the total number of the nozzles is 300. The design flow is about 81T/h, and the actual operation flow is 105-110T/h.

The spraying system is designed according to the reduction of back pressure when the unit is in high load, high back pressure and high ambient temperature, the spraying water quantity is larger, when the unit load, the back pressure and the ambient temperature are relatively lower, if the spraying system is put into use, because the height of a spraying branch pipe is only 224 plus 500mm away from a platform, and 3 nozzles in the middle of each side of each fan chamber are closer to a color steel plate below a tube bundle header, part of water mist can not be vaporized and evaporated quickly when the spraying system is put into operation, the water mist is sprayed onto the color steel plate, and the water mist sprayed out by the first nozzle on the rightmost side of each side is influenced by the rotating airflow of the fan, part of the water mist is blown onto a middle partition wall, water flows onto the platform along the color steel plate and then drops onto the lower part of an air cooling island along an air duct, so that a large amount of desalted water is wasted, the existing spraying device can not adjust the water quantity and switch whether each row is put into spraying or not according to the actual situation, if the nozzles are blocked or have other defects to be treated, the whole spraying system can be processed only after being completely shut down, so that the economic operation of the unit is influenced.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a spraying device of a condenser of a direct air cooling unit, which aims to solve the problems in the prior art.

In order to achieve the above purpose, the utility model provides the following technical scheme:

according to a first aspect of the utility model, the spray device of the condenser of the direct air cooling unit comprises a main pipe, branch pipes, a first sub-branch pipe, a second sub-branch pipe, a connecting pipe, a nozzle, a flow control assembly and a valve assembly, wherein one end of each branch pipe is connected with the main pipe, the other end of each branch pipe is connected with the first sub-branch pipe, one end of each connecting pipe is connected with the first sub-branch pipe, the other end of each connecting pipe is connected with the second sub-branch pipe, the main pipe is provided with the flow control assembly, the branch pipes are provided with the valve assembly, and the first sub-branch pipe and the second sub-branch pipe are respectively provided with the plurality of nozzles.

Further, flow control subassembly includes flowmeter and manometer, and flowmeter and manometer all set up on the trunk line.

Further, the valve module includes isolation valve and solenoid valve, and isolation valve and solenoid valve all set up on the branch pipeline.

Further, still include the valve that drains, the one end that first sub-lateral conduit deviates from the lateral conduit and the one end that second sub-lateral conduit deviates from the connecting tube all are provided with the valve that drains.

Further, the lateral conduit has a plurality ofly, and a plurality of lateral conduits all are connected with trunk line welded.

Furthermore, each branch pipeline is welded with at least one first sub-branch pipeline.

Furthermore, each first sub-branch pipe is connected with a second sub-branch pipe through a connecting pipe in a welding mode.

Further, the second sub-branch conduit and the first sub-branch conduit are parallel to each other.

Further, the nozzle is an atomizing nozzle.

Further, still include the water pump, the trunk line is connected with the delivery port of water pump.

The utility model has the following advantages: the arrangement position of the nozzles is more reasonable due to the arrangement of the second sub-branch pipelines, the water mist sprayed out of the nozzles is prevented from being directly sprayed to the color steel plates of the partition walls below and on the two sides of the pipelines, and the waste of demineralized water is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.

Fig. 1 is a schematic structural diagram of a spray device of a condenser of a direct air cooling unit according to some embodiments of the present invention.

Fig. 2 is a schematic partial structural view of a spray device of a condenser of a direct air cooling unit according to some embodiments of the present invention.

Fig. 3 is a partial structural view of a spray device of a condenser of a direct air cooling unit according to some embodiments of the present invention.

Fig. 4 is a second partial structural diagram of a spray device of a condenser of a direct air cooling unit according to some embodiments of the present invention.

Fig. 5 is a third partial structural view of a spray device of a condenser of a direct air cooling unit according to some embodiments of the present invention.

Fig. 6 is a schematic structural view of a spray device of a condenser of a direct air cooling unit in the prior art.

Fig. 7 is a top view of a spray device of a condenser of a direct air cooling unit in the prior art.

In the figure: 1. the system comprises a main pipeline, 2, branch pipelines, 3, a first sub-branch pipeline, 5, a nozzle, 6, a second sub-branch pipeline, 7, a connecting pipeline, 8, an isolation valve, 9, an electromagnetic valve, 10, a water drain door, 11, a flowmeter, 12 and a pressure gauge.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the utility model will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the utility model and that it is not intended to limit the utility model to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 5, a spray device of a condenser of a direct air cooling unit in an embodiment of a first aspect of the present invention includes a main pipe 1, a branch pipe 2, a first sub-branch pipe 3, a second sub-branch pipe 6, a connecting pipe 7, a nozzle 5, a flow control assembly, and a valve assembly, wherein one end of the branch pipe 2 is connected to the main pipe 1, the other end of the branch pipe 2 is connected to the first sub-branch pipe 3, one end of the connecting pipe 7 is connected to the first sub-branch pipe 3, the other end of the connecting pipe 7 is connected to the second sub-branch pipe 6, the main pipe 1 is provided with the flow control assembly, the branch pipe 2 is provided with the valve assembly, and the first sub-branch pipe 3 and the second sub-branch pipe 6 are both provided with a plurality of nozzles 5.

In the above embodiment, it is preferable that the height of the branch duct 2 from the platen of the fan room is 1450mm to 1550mm, the distance of the first sub-branch duct 3 from the center line of the two rows of fan rooms is 1585mm, and the second sub-branch duct 6 is located right above the first sub-branch duct 3.

More preferably, the nozzle is an atomizing nozzle with a flow rate of 2.25L/min or an atomizing nozzle with a flow rate of 1L/min.

Specifically, five nozzles are installed on each first sub-branch pipeline 3, the nozzle direction of each first sub-branch pipeline 3 corresponds to the rotation direction of the fan, the first to fourth nozzles counted from left to right of each side of the spray branch pipeline are 2.25L/min nozzles, the fifth nozzle is 1L/min nozzle, the flow of the sprayed water mist is smaller due to the smaller nozzle flow, the flow is reduced, the sprayed water mist can be quickly vaporized, the waste caused by the sprayed water mist blown onto the color steel plate of the middle partition wall by the fan is avoided, four nozzles are installed on each second sub-branch pipeline 6, the flow of the four nozzles is 1L/min, the distance between the first nozzle and the left partition wall is 1150mm according to the steering direction of the fan in the fan room, the distance between the first nozzle and the fourth nozzle is 2500mm, the nozzle flow is small, the atomized particles are small, and the sprayed water mist can be quickly vaporized, the water mist is prevented from being sprayed on the color steel plates and the steel beams to cause waste.

The technical effects achieved by the above embodiment are as follows: the arrangement position of the nozzle 5 is more reasonable due to the arrangement of the second sub-branch pipeline 6, the water mist sprayed out by the nozzle is prevented from being directly sprayed to the color steel plates of the partition walls below and on the two sides of the pipeline, and the waste of demineralized water is avoided.

Optionally, as shown in fig. 5, in some embodiments, the flow control assembly includes a flow meter 11 and a pressure gauge 12, and both the flow meter 11 and the pressure gauge 12 are disposed on the main pipe 1.

In the above alternative embodiment, it should be noted that the flow meter 11 and the pressure gauge 12 are located at the main pipe 1 near the branch pipe 2.

The beneficial effects of the above alternative embodiment are: the running pressure and flow of the spraying system can be effectively monitored through the arrangement of the flowmeter 11 and the pressure gauge 12, and reliable data is provided for realizing accurate regulation and control.

Alternatively, as shown in fig. 3, in some embodiments, the valve assembly includes an isolation valve 8 and a solenoid valve 9, both the isolation valve 8 and the solenoid valve 9 being disposed on the branch pipe 2.

In the alternative embodiment described above, it should be noted that preferably, the solenoid valves 9 and the isolation valves 8 are located at the inlets of the first sub-branch conduits 3 in the respective rows of fan chambers.

The beneficial effects of the above alternative embodiment are: the setting through solenoid valve 9 has realized that the incessant of nozzle sprays, has in turn not had the break and has rotated in turn and spray, has interrupted multiple mode such as spray and operate, can guarantee to avoid whole spray set system whole to shut down when solenoid valve 9 goes wrong through setting up of isolating valve 8, guarantees unit economic operation.

Optionally, as shown in fig. 4, in some embodiments, a water discharge door 10 is further included, and the water discharge door 10 is disposed at both the end of the first sub-branch pipe 3 facing away from the branch pipe 2 and the end of the second sub-branch pipe 6 facing away from the connecting pipe 7.

In the above alternative embodiment, it should be noted that the connection mode of the discharge door 10 and the first sub-branch pipe 3 is a threaded connection, a welded connection, or the like.

The beneficial effects of the above alternative embodiment are: the arrangement of the water discharge door 10 ensures that each nozzle 5 of the device realizes reliable water discharge flow division.

Alternatively, as shown in fig. 1 to 2, in some embodiments, there are a plurality of branch pipes 2, and each of the plurality of branch pipes 2 is welded to the main pipe 1.

In the above alternative embodiment, it should be noted that the plurality of branch pipes 2 are parallel to each other.

Alternatively, as shown in fig. 1 to 2, in some embodiments, at least one first sub-branch pipe 3 is welded to each branch pipe 2.

In the above alternative embodiment, it should be noted that the first sub-branch conduit 3 and the branch conduit 2 are perpendicular to each other.

Alternatively, as shown in fig. 1 to 2, in some embodiments, each first sub-branch pipe 3 is welded with one second sub-branch pipe 6 by a connecting pipe 7.

In the above alternative embodiment, it should be noted that the first sub-branch pipe 3 and the connecting pipe 7 are perpendicular to each other, the second sub-branch pipe 6 and the connecting pipe 7 are perpendicular to each other, and the first sub-branch pipe 2 and the second sub-branch pipe 6 are parallel to each other.

The beneficial effects of the above alternative embodiment are: .

Alternatively, as shown in fig. 1 to 2, in some embodiments, the second sub-branch conduit 6 and the first sub-branch conduit 3 are parallel to each other.

Alternatively, as shown in fig. 1-5, in some embodiments, the nozzle 5 is an atomizing nozzle.

Optionally, in some embodiments, the water pump is further included, and the main pipe 1 is connected to a water outlet of the water pump.

In the above alternative embodiment, it should be noted that the water pump is a water pump on a boiler.

The beneficial effects of the above alternative embodiment are: the device realizes reliable spraying through the arrangement of the water pump.

Although the utility model has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the utility model. Accordingly, such modifications and improvements are intended to be within the scope of the utility model as claimed.

In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for clarity of description, and are not intended to limit the scope of the present invention, and changes or modifications in the relative relationship may be made without substantial changes in the technical content.

Claims

1. A spray device of a condenser of a direct air cooling unit is characterized by comprising a main pipeline (1), branch pipelines (2), a first sub-branch pipeline (3), a second sub-branch pipeline (6), a connecting pipeline (7), a nozzle (5), a flow control assembly and a valve assembly, one end of the branch pipeline (2) is connected with the main pipeline (1), the other end of the branch pipeline (2) is connected with the first sub-branch pipeline (3), one end of the connecting pipeline (7) is connected with the first sub-branch pipeline (3), the other end of the connecting pipeline (7) is connected with the second sub-branch pipeline (6), the main pipeline (1) is provided with the flow control assembly, the branch pipeline (2) is provided with the valve assembly, the first sub-branch pipeline (3) and the second sub-branch pipeline (6) are provided with a plurality of nozzles (5).

2. The spray device of the condenser of the direct air cooling unit according to claim 1, wherein the flow control assembly comprises a flow meter (11) and a pressure gauge (12), and the flow meter (11) and the pressure gauge (12) are both arranged on the main pipeline (1).

3. The spray device of a condenser of a direct air cooling unit according to claim 1, wherein the valve assembly comprises an isolation valve (8) and a solenoid valve (9), and the isolation valve (8) and the solenoid valve (9) are both arranged on the branch pipe (2).

4. The spray device of the condenser of the direct air cooling unit according to claim 1, further comprising a water discharge door (10), wherein the water discharge door (10) is disposed at both the end of the first sub-branch pipe (3) away from the branch pipe (2) and the end of the second sub-branch pipe (6) away from the connecting pipe (7).

5. The spray device of the condenser of the direct air cooling unit according to claim 1, wherein the branch pipes (2) are provided in plurality, and the branch pipes (2) are all welded to the main pipe (1).

6. The spray system of a condenser for a direct air cooling unit according to claim 1, characterized in that at least one first sub-branch pipe (3) is welded to each of the branch pipes (2).

7. The spray system of a condenser for a direct air cooling unit according to claim 1, characterized in that each of the first sub-branch pipes (3) is welded to one of the second sub-branch pipes (6) by the connecting pipe (7).

8. The direct air cooling unit condenser spray system according to claim 1, characterized in that the second sub-branch pipe (6) and the first sub-branch pipe (3) are parallel to each other.

9. The spray device of the condenser of the direct air cooling unit according to claim 1, wherein the spray nozzle (5) is an atomizing spray nozzle.

10. The spray device of the condenser of the direct air cooling unit according to claim 1, further comprising a water pump, wherein the main pipeline (1) is connected with a water outlet of the water pump.