CN215676637U

CN215676637U - Cooling tower balance pipe device

Info

Publication number: CN215676637U
Application number: CN202121735804.8U
Authority: CN
Inventors: 陈敬涛
Original assignee: Bona Xinyuan Energy Technology Co ltd
Current assignee: Bona Xinyuan Energy Technology Co ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2022-01-28
Anticipated expiration: 2031-07-28

Abstract

The application discloses cooling tower balance pipe device relates to the technical field of cooling tower, improves the problem that blocking phenomenon easily appears in balance pipe, include: the cooling towers are two in total, and the bottoms of the two cooling towers are provided with water collecting tanks; the balance pipe is used for communicating the two water collecting tanks; the number of the anti-blocking structures is two. The utility model provides a filter screen is installed in the balance pipe, can filter impurity and the incrustation scale of aquatic, when the filter screen blocks up, the continuous increase of water pressure in the balance pipe, drive piston plate and piston push rod upward movement, when the piston plate highly be higher than the overflow pipe with prevent stifled frame intercommunication department, the filter screen circulation of jam can be crossed through the overflow pipe to the water in the balance pipe, prevent the jam of balance pipe, need not regularly to change the clearance to the balance pipe, and therefore, the cost is reduced, the normal use of balance pipe has been guaranteed simultaneously, the effectual phenomenon of avoiding leading to cooling tower power consumption to increase because of the balance pipe blocks up.

Description

Cooling tower balance pipe device

Technical Field

The application relates to the technical field of cooling towers, in particular to a cooling tower balance pipe device.

Background

Cooling towers are devices that use water as a circulating coolant to absorb heat from a system and discharge it to the atmosphere to reduce the temperature of the water. The cooling tower is all connected on a wet return way, because tower body basis height difference, the water level of cooling tower moisturizing also can be different. In severe cases, siphonage can occur after starting up, and water in the tower with low water level is sucked dry. The increase moisturizing volume causes unnecessary waste, just so need communicate through the balance pipe between the catch basin of two tower bodies.

In the current cooling tower balance pipe device, as described in the patent with publication number CN210833217U, a mounting circular hole is formed on the edge of a water collection basin, and a pipe joint is mounted on the inner side surface of the edge of the water collection basin through a bolt to be matched with the corresponding mounting circular hole; two ends of the communicating pipe respectively penetrate through the mounting round holes to be inserted into the corresponding flange pipe joints and extend out; the flange pipe joint is sleeved with a reducing joint; reducing joint one end passes through big clamp and flange coupling sealing connection, and the other end passes through little clamp sealing connection with the intercommunication pipe that extends out. The structure is simple, the cost is low, the installation is more convenient, and the connection sealing performance can be kept.

In order to solve the above problems, the inventor believes that the balance pipe generates scale after long-term use, and the water flow also contains certain impurities to easily cause pipeline blockage, so that once the balance pipe is blocked, normal use of the cooling tower is affected, and the balance pipe is inconvenient to clean and dredge.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that the balance pipe easily blockked up, this application provides a cooling tower balance pipe device.

The application provides a cooling tower balance pipe device adopts following technical scheme:

a cooling tower balance tube apparatus comprising:

the cooling towers are two in total, and the bottoms of the two cooling towers are provided with water collecting tanks;

the balance pipe is used for communicating the two water collecting tanks;

the anti-blocking structure is two in total, and the anti-blocking structure is installed in the left end and the right end of the balance pipe respectively in bilateral symmetry.

Optionally, the anti-blocking structure comprises a filter screen, an anti-blocking frame, an alarm and a drain valve pipe;

in filter screen fixed mounting balance pipe, and the internal diameter looks adaptation of filter screen and balance pipe, prevent stifled frame bottom and the fixed intercommunication in balance pipe top, and prevent stifled frame and be located one side that the filter screen is close to balance pipe tip, prevent stifled frame middle part and run through the grafting and have piston push rod, piston push rod bottom is arranged in and is prevented one end and piston board middle part fixed connection in the stifled frame, and piston board and the internal diameter looks adaptation of preventing stifled frame, piston push rod runs through the one end of preventing stifled frame top and is provided with conducting strip B, prevent stifled frame upper surface fixed mounting and have the support, alarm fixed mounting is at the support upper surface, the support lower surface is provided with conducting strip A.

Through adopting above-mentioned technical scheme, the filter screen filters impurity and the incrustation scale of aquatic, and when the filter screen blockked up, water pressure constantly increases, drives the piston board upwards, and when the piston board highly be higher than the overflow pipe with prevent stifled frame intercommunication department, the filter screen circulation of jam can be crossed through the overflow pipe to the intraductal water of balance, avoids the normal use of balanced pipe jam influence cooling tower.

Optionally, the middle part of the right side of the anti-blocking frame is fixedly communicated with an overflow pipe, the other end of the overflow pipe is fixedly communicated with the upper surface of the balance pipe, and the communication position of the overflow pipe and the balance pipe is located on one side, far away from the end part of the balance pipe, of the filter screen.

Through adopting above-mentioned technical scheme, the overflow pipe can shunt when the filter screen blocks up, avoids the whole jam of balance pipe.

Optionally, the upper and lower positions of the conducting strip a correspond to those of the conducting strip B, the conducting strip a is electrically connected with the positive electrode of the power supply of the alarm through a wire, and the conducting strip B is electrically connected with the negative electrode of the power supply of the alarm through a wire.

Through adopting above-mentioned technical scheme, conducting strip A and conducting strip B contact the back for the circuit route of alarm, the alarm sounds, reminds the staff to clear up.

Optionally, the blowoff valve pipe is fixedly communicated with the lower surface of the balance pipe, and the blowoff valve pipe is positioned on one side of the filter screen close to the end part of the balance pipe.

Through adopting above-mentioned technical scheme, the debris that filter on the filter screen can be discharged through the blowoff valve pipe.

Optionally, a spring is arranged on the upper surface of the piston plate, the spring is sleeved outside the piston push rod, and the top of the spring is fixedly connected with the inner top of the anti-blocking frame.

In summary, the present application includes at least one of the following benefits:

1. the filter screen is installed in the balance pipe, can filter impurity and the incrustation scale of aquatic, when the filter screen blocks up, the continuous increase of water pressure in the balance pipe, drive piston board and piston push rod upward movement, when the piston board highly be higher than the overflow pipe with prevent stifled frame intercommunication department, the filter screen circulation that the jam was crossed to the intraductal water of balance can be through the overflow pipe, prevent the jam of balance pipe, it clears up regularly to need not to change the balance pipe, and therefore, the cost is reduced, the normal use of balance pipe has been guaranteed simultaneously, the effectual phenomenon of avoiding leading to the cooling tower power consumption to increase because of the balance pipe blocks up.

2. Through the alarm of support upper surface, the filter screen blocks up, because of water pressure constantly increases, piston board and piston push rod can the up motion, when conducting strip B at piston push rod top and the conducting strip A of support lower surface contact, the circuit of alarm forms the route, the alarm sounds to remind staff's balance pipe on every side to need the clearance this moment, during the clearance, close the both ends of balance pipe through the valve, open the blowoff valve pipe again, then in discharging the clear water balance pipe through the purge valve pipe, the intraductal water of balance of discharging this moment can carry out the backwash to the filter screen, make adnexed impurity and incrustation scale on the filter screen discharge through the blowoff valve pipe, need not to dismantle the balance pipe, low in use cost, and is relatively practical.

Drawings

FIG. 1 is a schematic overall structure diagram of the first embodiment;

fig. 2 is a schematic diagram of a specific structure of fig. 1 enlarged at a point a.

Description of reference numerals: 1. a cooling tower; 2. a water collecting tank; 3. a balance tube; 4. cleaning the valve pipe; 5. a piston plate; 6. an anti-blocking frame; 7. a support; 8. an alarm; 9. conducting plate A; 10. a conductive sheet B; 11. a piston push rod; 12. a spring; 13. an overflow pipe; 14. a filter screen; 15. a blowdown valve pipe.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The first embodiment is as follows:

the embodiment of the application discloses a cooling tower balance pipe device. Referring to fig. 1 and 2, including: the number of the cooling towers 1 is two, and the bottoms of the two cooling towers 1 are provided with water collecting tanks 2; the two water collecting tanks 2 are fixedly communicated through a balance pipe 3; the anti-blocking structures are two in number and are respectively arranged at the left end and the right end of the balance pipe 3 in a bilateral symmetry manner, so that the blockage phenomenon of the balance pipe 3 can be prevented.

Referring to fig. 2, the anti-blocking structure comprises a filter screen 14, an anti-blocking frame 6, an alarm 8 and a blow-off valve pipe 15;

the filter screen 14 is fixedly installed in the balance pipe 3, the filter screen 14 is matched with the inner diameter of the balance pipe 3, the filter screen 14 filters impurities and scale in water, the bottom of the anti-blocking frame 6 is fixedly communicated with the top of the balance pipe 3, the anti-blocking frame 6 is positioned on one side of the filter screen 14 close to the end part of the balance pipe 3, a piston push rod 11 is inserted in the middle of the anti-blocking frame 6 in a penetrating manner, one end of the piston push rod 11, which is arranged in the anti-blocking frame 6, is fixedly connected with the middle of the piston plate 5, the piston plate 5 is matched with the inner diameter of the anti-blocking frame 6, when the filter screen 14 is blocked, the water pressure in the balance pipe 3 is continuously increased to drive the piston plate 5 and the piston push rod 11 to move upwards, a conducting strip B10 is arranged at one end of the piston push rod 11, which penetrates through the top of the anti-blocking frame 6, the piston push rod 11 moves upwards until the conducting strip B10 contacts with the anti-blocking A conducting strip 9, so that a circuit path of the alarm 8 is formed, and a support 7 is fixedly installed on the upper surface of the balance pipe 6, alarm 8 fixed mounting is on support 7 upper surface, and support 7 lower surface is provided with conducting strip A9, can sound when alarm 8 passes through and remind staff's balance pipe 3 on every side to need the clearance.

Referring to fig. 2, prevent that the fixed intercommunication in 6 right sides of anti-blocking frame middle parts has overflow pipe 13, overflow pipe 13's the other end and balance pipe 3 upper surface fixed intercommunication, and overflow pipe 13 and balance pipe 3's intercommunication department is located the one side that balance pipe 3 tip was kept away from to filter screen 14, when piston plate 5 highly is higher than overflow pipe 13 and prevents anti-blocking frame 6 intercommunication department, the filter screen 14 circulation of jam can be crossed through overflow pipe 13 to the water in the balance pipe 3, prevents the jam of balance pipe 3.

Referring to fig. 2, the conductive sheet a9 corresponds to the conductive sheet B10 in position from top to bottom, and the conductive sheet a9 is electrically connected to the positive electrode of the power supply of the alarm 8 through a wire, and the conductive sheet B10 is electrically connected to the negative electrode of the power supply of the alarm 8 through a wire.

Referring to fig. 2, the blowoff valve pipe 15 is fixedly communicated with the lower surface of the balance pipe 3, and the blowoff valve pipe 15 is located at one side of the filter screen 14 near the end of the balance pipe 3, and the blowoff valve pipe 15 is used for discharging filtered impurities and scale.

The implementation principle of a cooling tower balance pipe device of the first embodiment of the application is as follows:

when the filter screen 14 is blocked, the water pressure in the balance pipe 3 is continuously increased to drive the piston plate 5 and the piston push rod 11 to move upwards, when the height of the piston plate 5 is higher than the communicating part of the overflow pipe 13 and the anti-blocking frame 6, the water in the balance pipe 3 can cross the blocked filter screen 14 through the overflow pipe 13 to circulate, so as to prevent the blocking of the balance pipe 3, the piston plate 5 and the piston push rod 11 move upwards, when the conducting strip B10 at the top of the piston push rod 11 is contacted with the conducting strip A9 at the lower surface of the bracket 7, the circuit of the alarm 8 forms a channel, at the moment, the alarm 8 sounds to remind surrounding workers that the balance pipe 3 needs to be cleaned, when in cleaning, the two ends of the balance pipe 3 are closed through the valve, the blowdown valve pipe 15 is opened, then clear water is discharged into the balance pipe 3 through the cleaning valve pipe 4, at the moment, the water discharged into the balance pipe 3 can carry out reverse flushing on the filter screen 14, so that impurities and scale attached to the filter screen 14 are discharged through the blowdown valve pipe 15, need not to dismantle balanced pipe 3, it is comparatively convenient.

Example two:

referring to fig. 2, the difference between the second embodiment and the first embodiment is that the second embodiment includes a piston plate 5, a spring 12 is disposed on the upper surface of the piston plate, the spring 12 is sleeved outside a piston push rod 11, and the top of the spring 12 is fixedly connected with the inner top of the anti-blocking frame 6. When the water pressure is increased due to blockage of the filter screen 14, the piston plate 5 upwards compresses the spring 12, the water pressure is reduced after the water flows out through the overflow pipe 13, and the spring 12 drives the piston plate 5 to move downwards until the piston plate 5 resets due to deformation recovery.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A cooling tower balance pipe device is characterized in that: the method comprises the following steps:

the number of the cooling towers (1) is two, and the bottoms of the two cooling towers (1) are provided with water collecting tanks (2);

a balancing pipe (3) for communication between the two sumps (2);

the anti-blocking structure is two in total, and the anti-blocking structures are respectively arranged at the left end and the right end of the balance pipe (3) in a bilateral symmetry mode.

2. The cooling tower balance tube assembly of claim 1 wherein: the anti-blocking structure comprises a filter screen (14), an anti-blocking frame (6), an alarm (8) and a blow-down valve pipe (15);

the filter screen (14) is fixedly arranged in the balance pipe (3), the filter screen (14) is matched with the inner diameter of the balance pipe (3), the bottom of the anti-blocking frame (6) is fixedly communicated with the top of the balance pipe (3), and the anti-blocking frame (6) is positioned at one side of the filter screen (14) close to the end part of the balance pipe (3), a piston push rod (11) is inserted in the middle of the anti-blocking frame (6), one end of the piston push rod (11) arranged in the anti-blocking frame (6) is fixedly connected with the middle of the piston plate (5), and the piston plate (5) is matched with the inner diameter of the anti-blocking frame (6), one end of the piston push rod (11) penetrating through the top of the anti-blocking frame (6) is provided with a conducting strip B (10), prevent stifled frame (6) upper surface fixed mounting and have support (7), alarm (8) fixed mounting is in support (7) upper surface, support (7) lower surface is provided with conducting strip A (9).

3. A cooling tower balance tube assembly in accordance with claim 2 wherein: prevent that fixed intercommunication in stifled frame (6) right side middle part has overflow pipe (13), the other end and balance pipe (3) upper surface of overflow pipe (13) fixed intercommunication, and the intercommunication department of overflow pipe (13) and balance pipe (3) is located one side that balance pipe (3) tip was kept away from in filter screen (14).

4. A cooling tower balance tube assembly in accordance with claim 2 wherein: the upper position and the lower position of the conducting strip A (9) correspond to the upper position and the lower position of the conducting strip B (10), the conducting strip A (9) is electrically connected with the positive electrode of a power supply of the alarm (8) through a wire, and the conducting strip B (10) is electrically connected with the negative electrode of the power supply of the alarm (8) through a wire.

5. A cooling tower balance tube assembly in accordance with claim 2 wherein: the blowdown valve pipe (15) is fixedly communicated with the lower surface of the balance pipe (3), and the blowdown valve pipe (15) is located on one side, close to the end part of the balance pipe (3), of the filter screen (14).

6. A cooling tower balance tube assembly in accordance with claim 2 wherein: the upper surface of the piston plate (5) is provided with a spring (12), the spring (12) is sleeved outside the piston push rod (11), and the top of the spring (12) is fixedly connected with the inner top of the anti-blocking frame (6).