CN212109635U

CN212109635U - Pipeline structure of transverse flow closed cooling tower spray pump

Info

Publication number: CN212109635U
Application number: CN202020322146.9U
Authority: CN
Inventors: 郑志根
Original assignee: Wuxi Forest Cooling System Co ltd
Current assignee: Wuxi Forest Cooling System Co ltd
Priority date: 2020-03-16
Filing date: 2020-03-16
Publication date: 2020-12-08
Anticipated expiration: 2030-03-16

Abstract

The utility model discloses a pipeline structure of crossing current closed cooling tower spray pump, concretely relates to cooling tower field, including pumping mechanism and spray mechanism, pumping mechanism includes central jar, spray pump, main spray shower, pipe chute, T type pipe, and the input and the output that spray the pump are connected with horn pipe, elbow respectively, and spray mechanism includes bleeder, spray joint, collector pipe, distributive pipe, rotatory shower head, and the both ends of bleeder are connected with pipe chute, spray joint respectively. The utility model discloses an optimize structural design again, make through the primary structure who sets up many shower nozzle structures as spraying and spray liquid evenly distributed in the surface cooler top surface, prevent that the surface cooler surface from spraying the equipment damage that the inequality caused, and its volume of whole spray mechanism is less to be independent of the closed cooling tower and arranges for this pipeline structure simple to operate, simple structure improves the stability of its operation, guarantees the long-term operation of closed cooling tower.

Description

Pipeline structure of transverse flow closed cooling tower spray pump

Technical Field

The utility model relates to a cooling tower technical field, more specifically say, the utility model specifically is a pipeline structure of crossing current closed cooling tower spray pump.

Background

The existing closed cooling tower is provided with a spray pump, heat transfer is enhanced by contact of spray water and the outer wall of a coil pipe of a surface cooler, the spray pump is a multi-purpose single-stage single-suction centrifugal pump, the use working condition of the spray pump is different from that of a common centrifugal pump, more pipe wall heat is required to be taken away for the closed cooling tower in large-flow operation of the spray pump to ensure the heat exchange effect, the closed cooling tower is difficult to install on site due to the surface cooler, the construction difficulty is high, the closed cooling tower is often subjected to on-site in-place operation after the whole plant is installed, the overall size of a tower body is limited by transportation, the required lift is small, and the.

The rated lift of special pump that sprays different powers is 5 meters generally, and miniature crossing current closed cooling tower size is less, and the actual lift of skew pump is great apart from the rated lift, leads to the actual operating condition point of pump that sprays to deviate from optimum operating condition point far away, and the pump exceeds rated flow operating mode operation, and this will make pump operating efficiency descend, and the energy consumption increases, causes pump overflowing parts to run off a class loss, impact loss, swirl loss further to increase simultaneously. These losses, while generated, are accompanied by a great deal of hydraulic noise and mechanical vibrations, which when the flow deviates too much, may even burn the motor or cause a protective tripping of the circuit, stopping the pump. The flow of the pump inlet is increased, the cavitation allowance of the device is reduced, when water flows through the central cylinder and the elbow, vortex can be generated to further lose water pressure, the liquid level of the water collecting basin is low, the depth of the central cylinder is shallow, the spray pump can be subjected to cavitation, severe vibration and noise can be generated, the service life of the pump is shortened, and the large-flow water flow at the pump outlet directly impacts the tee joint, so that a large amount of noise can be generated.

In order to solve the above problems, patent application publication No. CN209116803U discloses a pipeline structure of a cross flow closed cooling tower spray pump, referring to fig. 5 of the specification, in the application, cavitation erosion of the spray pump of the cross flow closed cooling tower can be prevented, vibration and noise can be reduced, the service life of the spray pump can be prolonged, the operating efficiency of the cross flow closed cooling tower spray pump can be improved, and energy consumption can be reduced.

However, the technical scheme still has more defects in actual application;

firstly, the pipeline structure of the spray pump mainly takes a water distribution pool as a distribution mechanism of spray liquid, so that the spray liquid is uniformly distributed on the surface of the surface cooler, but the structure needs to be matched with the area of the surface cooler, so that the problem of huge volume and troublesome installation is caused, and when the water flow is too small, most of the spray liquid directly flows out from the middle part of the water distribution pool and cannot be distributed to the two ends of the surface cooler, so that uneven spray is caused, and the spray effect is reduced;

secondly, because the pipeline structure still adopts sprays and mainly falls to the surface of the surface cooler through the mode of gravity with water liquid through the water distribution pool, and its spray liquid falls with the mode of water column mostly, and its area of contact with the surface cooler is limited, and on the one hand the water consumption is great and the power consumption is higher, and on the other hand heat dispersion is relatively poor, has certain defect.

Therefore, it is desirable to provide a pipeline structure of a crossflow closed cooling tower spray pump with good spraying effect and high heat dissipation performance.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the embodiment of the utility model provides a pipeline structure of a transverse flow closed cooling tower spray pump, by re-optimizing the structural design, the spray liquid is uniformly distributed on the top surface of a surface cooler by setting a multi-nozzle structure as a main structure for spraying, the equipment damage caused by uneven spraying on the surface of the surface cooler is prevented, and the whole spray mechanism has smaller volume and is independent of the arrangement of the closed cooling tower, so that the pipeline structure is convenient to install and simple in structure, the running stability of the pipeline structure is improved, and the long-term running of the closed cooling tower is ensured; additionally, the utility model discloses a set up rotatable shower head structure, utilize the interact of rotatory shower head and spray liquid, when the rivers pump sending gets into inside the rotatory shower head, the power potential energy of partial rivers is converted into the rotatory mechanical energy of rotatory shower head and sprays simultaneously through rotatory shower head inner structure, makes the spray range further enlarge, forms the water cover, and a large amount of heats around the surface cooler can be taken away in its gasification area expansion, further improves the cooling effect to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a pipeline structure of a transverse flow closed cooling tower spray pump comprises a pumping mechanism and a spray mechanism, wherein the pumping mechanism comprises a central cylinder, a spray pump, a main spray pipe, an inclined pipe and a T-shaped pipe, the input end and the output end of the spray pump are respectively and fixedly connected with a horn pipe and an elbow, the other ends of the horn pipe and the elbow are respectively and fixedly connected with a central cylinder and a main spray pipe, a valve is arranged at the middle section of the main spray pipe, the top end of the main spray pipe is fixedly connected with the end parts of the inclined pipe and the T-shaped pipe, the spraying mechanism comprises a branch pipe, a spraying joint, a water collecting pipe, a water distributing pipe and a rotary spraying head, the two ends of the branch pipe are respectively and fixedly connected with the inclined pipe and the spray joint, the top end of the water collecting pipe is fixedly connected with the bottom surface of the spray joint, the end part of the water distribution pipe is fixedly connected with the surface of the water collection pipe, and the top end of the rotary spray header is fixedly connected with the bottom end of the water distribution pipe.

In a preferred embodiment, a through hole matched with the flared tube is formed in one side of the central cylinder, the flared tube is communicated with the inside of the central cylinder, and a convex surface filter screen is fixedly mounted on the inner side of the central cylinder.

In a preferred embodiment, the convex surface filter screen is located the tip of trumpet, the surface of convex surface filter screen is protruding spherical structure, the convex surface filter screen is metal filter screen material component.

In a preferred embodiment, the back plate of the central cylinder and the side plates of both sides are disposed inclined to a horizontal plane, and the central cylinder forms an open hopper shape.

In a preferred embodiment, the number of the water diversion pipes is three, the water diversion pipes are evenly distributed on the periphery of the water collection pipe, and the other ends of the water diversion pipes are fixedly provided with plugs.

In a preferred embodiment, the inner part of the rotary spray head is rotatably provided with a spiral rotating shaft, the bottom end of the rotary spray head is rotatably sleeved with a rotating head, and a plurality of spray holes are formed in the peripheral side of the rotating head and are uniformly distributed.

In a preferred embodiment, a bearing seat is sleeved at the top end of the spiral rotating shaft, the periphery of the bearing seat is fixedly connected with the inside of the rotary spray header through a connecting rod, and the bottom end of the spiral rotating shaft is fixedly connected with the bottom surface of the inner cavity of the spray hole.

The utility model discloses a technological effect and advantage:

1. the utility model has the advantages that the structural design is optimized again, the spraying liquid is uniformly distributed on the top surface of the surface cooler by arranging the multi-nozzle structure as the main spraying structure, the equipment damage caused by uneven surface cooler spraying is prevented, and the volume of the whole spraying mechanism is smaller and is independent of the arrangement of the closed cooling tower, so that the pipeline structure is convenient to install and simple in structure, the running stability of the pipeline structure is improved, and the long-term running of the closed cooling tower is ensured;

2. the utility model discloses a set up rotatable shower head structure, utilize the interact of rotatory shower head and spray liquid, when the rivers pump sending gets into inside the rotatory shower head, the power potential energy conversion of partial rivers is rotatory mechanical energy of rotatory shower head and sprays simultaneously through rotatory shower head inner structure, makes the range of spraying further enlarge, forms the water cover, and a large amount of heats around the surface cooler can be taken away in its gasification area expansion, further improves the cooling effect.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic side view of the pumping mechanism of the present invention.

Fig. 3 is a schematic view of the top view structure of the spraying mechanism of the present invention.

Fig. 4 is a schematic view of the internal structure of the rotary spray header of the present invention.

Fig. 5 is a schematic diagram of a comparison file structure of the present invention.

The reference signs are: 1. a central cylinder; 2. a spray pump; 3. a main spray pipe; 4. a valve; 5. an inclined tube; 6. A T-shaped pipe; 7. a branch pipe; 8. a spray joint; 9. a water collection pipe; 10. a water diversion pipe; 11. rotating the spray header; 12. a convex filter screen; 13. a flare tube; 14. bending the pipe; 101. plugging; 111. a helical shaft; 112. rotating the head; 113. and (4) spraying holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The pipeline structure of a transverse flow closed cooling tower spray pump as shown in the attached figures 1-4 comprises a pumping mechanism and a spray mechanism, wherein the pumping mechanism comprises a central cylinder 1, a spray pump 2, a main spray pipe 3, an inclined pipe 5 and a T-shaped pipe 6, the input end and the output end of the spray pump 2 are respectively fixedly connected with a horn pipe 13 and an elbow 14, the other ends of the horn pipe 13 and the elbow 14 are respectively fixedly connected with the central cylinder 1 and the main spray pipe 3, the middle section of the main spray pipe 3 is provided with a valve 4, the top end of the main spray pipe 3 is fixedly connected with the inclined pipe 5 and the end part of the T-shaped pipe 6, the spray mechanism comprises a branch pipe 7, a spray joint 8, a water collecting pipe 9, a water diversion pipe 10 and a rotary spray head 11, the two ends of the branch pipe 7 are respectively fixedly connected with the inclined pipe 5 and the spray joint 8, the top end of the water collecting pipe 9 is fixedly connected with the bottom surface of the spray joint 8, the end part, the top end of the rotary spray header 11 is fixedly connected with the bottom end of the water distribution pipe 10.

The implementation mode is specifically as follows: by re-optimizing the structural design, the multi-nozzle structure is used as a main spraying structure to uniformly distribute the spraying liquid on the top surface of the surface cooler, so that equipment damage caused by uneven spraying on the surface of the surface cooler is prevented, and the whole spraying mechanism has a small volume and is independent of the arrangement of a closed cooling tower, so that the pipeline structure is convenient to install and simple in structure, the running stability of the pipeline structure is improved, and the long-term running of the closed cooling tower is ensured; additionally, the utility model discloses a set up rotatable shower head structure, utilize the interact of rotatory shower head 11 and spray liquid, when the rivers pump sending gets into rotatory shower head 11 inside, change the power potential energy of part rivers into the rotatory mechanical energy of rotatory shower head 11 and spray simultaneously through 11 inner structure of rotatory shower head, make the spray range further enlarge, form the water cover, a large amount of heats around the surface cooler can be taken away in its gasification area expansion, further improve the cooling effect.

Wherein, the through-hole with horn pipe 13 looks adaptation is seted up to one side of central jar 1, and horn pipe 13 is linked together with the inside of central jar 1, and the inboard fixed mounting of central jar 1 has convex surface filter screen 12, utilizes horn pipe 13 to reduce the bubble that gets into the interior water of spray pump 2, reduces the cavitation rate.

Wherein, convex surface filter screen 12 is located the tip of horn pipe 13, and convex surface filter screen 12's surface is protruding spherical structure, and convex surface filter screen 12 is metal filter screen material component, and convex surface filter screen can effectively reduce the risk that impurity blockked up the filter screen, is convenient for clear up.

Wherein, the backplate of central jar 1 and the curb plate of both sides all incline to the horizontal plane setting, and central jar 1 forms open hopper shape, can effectively increase 1 upper portion of central jar area of intaking, reduces the velocity of flow, prevents to produce the swirl.

The number of the water distribution pipes 10 is three, the water distribution pipes are evenly distributed on the periphery of the water collection pipe 9, the other ends of the water distribution pipes 10 are fixedly provided with plugs 101, and a plurality of spray head mechanisms can be installed to enable spray liquid to be evenly distributed on the top surface of the surface air cooler.

Wherein, the inside of rotatory shower head 11 is rotated and is installed spiral pivot 111, and the bottom of rotatory shower head 11 is rotated and is cup jointed rotating head 112, and a plurality of spray holes 113 and evenly distributed have been seted up to the week side of rotating head 112, and the hole 113 that sprays of utilizing week side realizes that the cover type sprays its gasification area and enlarges and can take away a large amount of heats around the surface cooler.

The top end of the spiral rotating shaft 111 is sleeved with a bearing seat, the periphery of the bearing seat is fixedly connected with the inside of the rotary spray header 11 through a connecting rod, the bottom end of the spiral rotating shaft 111 is fixedly connected with the bottom surface of the inner cavity of the spray hole 113, and the internal structure of the rotary spray header 11 converts the power potential energy of partial water flow into the mechanical energy for rotating the rotary spray header 11 and sprays simultaneously, so that the spray range is further expanded.

The utility model discloses the theory of operation:

firstly, the device is arranged at one side of a surface cooler, a rotary spray head 11 is positioned right above the surface cooler, water is added into a central cylinder 1 to start a power supply of a spray pump 2 and a valve 4 is opened, the water in the central cylinder 1 filtered by a convex filter 12 is pumped into a water collecting pipe 9 through the spray pump 2 and is uniformly sprayed on the top surface of the surface cooler through the rotary spray head 11, the convex filter 12 is arranged to effectively reduce the impurity content in the water and play a role of protecting the spray pump 2 and the rotary spray head 11, by utilizing the interaction of the rotary spray head 11 and the spray liquid, when the water is pumped into the rotary spray head 11, the power potential energy of partial water flow is converted into the mechanical energy of rotation of a rotary head 112 through an internal spiral rotating shaft 111 structure, the spraying range is further expanded, a water cover is formed, the gasification area of the water cover is expanded and a large amount of heat around the surface cooler can be taken, further improving the cooling effect.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a pipeline structure of crossing current closed cooling tower spray pump, includes pumping mechanism and sprays the mechanism, its characterized in that: the pumping mechanism comprises a central cylinder (1), a spray pump (2), a main spray pipe (3), an inclined pipe (5) and a T-shaped pipe (6), wherein the input end and the output end of the spray pump (2) are respectively and fixedly connected with a horn pipe (13) and an elbow (14), the other ends of the horn pipe (13) and the elbow (14) are respectively and fixedly connected with the central cylinder (1) and the main spray pipe (3), a valve (4) is arranged at the middle section of the main spray pipe (3), the top end of the main spray pipe (3) is fixedly connected with the inclined pipe (5) and the end part of the T-shaped pipe (6), the spray mechanism comprises a branch pipe (7), a spray joint (8), a water collecting pipe (9), a water dividing pipe (10) and a rotary spray head (11), the two ends of the branch pipe (7) are respectively and fixedly connected with the inclined pipe (5) and the spray joint (8), and the top end of the water collecting pipe (9) is fixedly connected with the bottom, the end part of the water diversion pipe (10) is fixedly connected with the surface of the water collection pipe (9), and the top end of the rotary spray header (11) is fixedly connected with the bottom end of the water diversion pipe (10).

2. The pipeline structure of a cross-flow closed cooling tower spray pump of claim 1, wherein: the through-hole with horn pipe (13) looks adaptation is seted up to one side of center jar (1), horn pipe (13) are linked together with the inside of center jar (1), the inboard fixed mounting of center jar (1) has convex surface filter screen (12).

3. The pipeline structure of a cross-flow closed cooling tower spray pump according to claim 2, characterized in that: convex surface filter screen (12) are located the tip of horn pipe (13), the surface of convex surface filter screen (12) is protruding spherical structure, convex surface filter screen (12) are metal filter screen material component.

4. The pipeline structure of a cross-flow closed cooling tower spray pump of claim 1, wherein: the back plate of the central cylinder (1) and the side plates on the two sides are all arranged in a manner of inclining to the horizontal plane, and the central cylinder (1) is in an open hopper shape.

5. The pipeline structure of a cross-flow closed cooling tower spray pump of claim 1, wherein: the quantity of distributive pipe (10) is three evenly distributed in week side of collector pipe (9), the other end fixed mounting of distributive pipe (10) has shutoff (101).

6. The pipeline structure of a cross-flow closed cooling tower spray pump of claim 1, wherein: the inside of rotatory shower head (11) is rotated and is installed spiral pivot (111), the bottom of rotatory shower head (11) is rotated and has been cup jointed rotating head (112), a plurality of spray holes (113) and evenly distributed have been seted up to the week side of rotating head (112).

7. The pipeline structure of a cross-flow closed cooling tower spray pump according to claim 6, characterized in that: the top of spiral pivot (111) has cup jointed the bearing frame, the week side of bearing frame passes through the inside fixed connection of connecting rod with rotatory shower head (11), the bottom of spiral pivot (111) and the bottom surface fixed connection of spraying hole (113) inner chamber.