CN218270978U - High liquid level alarm device of power plant's cooling tower - Google Patents

Abstract

The utility model discloses a high liquid level alarm device for a cooling tower of a power plant, which comprises a cooling tower pool assembly, a cooling tower pool body, and a conduit arranged on one side of the cooling tower pool body; The box on one side of the conduit, the light source receiver and the light source emitter arranged inside the box, the baffle arranged inside the box, and the floating block arranged at the bottom of the baffle, the The light source receiver and the light source emitter are arranged symmetrically inside the box. The device described in the utility model responds to the liquid level of the cooling tower pool in time through the alarm device. When the liquid level is high, an alarm is triggered to remind the staff to control the liquid level and avoid overflow. The device has a simple structure, is practical and convenient.

Description

A high liquid level alarm device for power plant cooling tower

technical field

The utility model relates to the technical field of power plants, in particular to a high liquid level alarm device for a cooling tower of a power plant.

Background technique

The cooling tower is an important accessory equipment in the thermal cycle of the power plant. The liquid level of the cooling tower is an important parameter that needs to be monitored during the operation of the unit. Real-time monitoring of the liquid level of the cooling tower is an important prerequisite for ensuring the stable operation of the circulating water pump. The existing cooling tower does not have a liquid level gauge device, and the liquid level of the cooling tower is roughly estimated only by the liquid level of the circulating water forebay of the user at the back end of the cooling tower. However, due to the liquid level drop between the filters, the height of the drop cannot be accurately grasped, resulting in The monitoring method is not accurate, and often due to the large amount of supplementary water or the increase of other recycled water sources, the liquid level of the cooling tower is high and overflows, resulting in a waste of water resources.

Utility model content

The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section, as well as in the abstract of the specification and the title of the utility model of this application, to avoid obscuring the purpose of this section, the abstract of the specification, and the title of the utility model, and such simplifications or omissions cannot be used to limit the utility model range.

In view of the above and/or the existing problems in the high liquid level alarm device of the cooling tower of the power plant, the utility model is proposed.

Therefore, the problem to be solved by the utility model is how to solve the problem that the existing cooling tower does not have a liquid level gauge device, and only rely on the liquid level of the user's circulating water forebay at the back end of the cooling tower to roughly estimate the cooling tower liquid level, but due to the presence of liquid between the filter screens The level difference and the height of the drop cannot be accurately grasped, which leads to the inaccuracy of this monitoring method. Often due to the large amount of water replenishment or the increase of other recycled water sources, the high liquid level of the cooling tower overflows, resulting in the waste of water resources.

In order to solve the above technical problems, the utility model provides the following technical solutions: a high liquid level alarm device for power plant cooling towers, which includes a cooling tower pool assembly, a cooling tower pool body, and a Conduit, and; alarm assembly, including a box disposed on one side of the duct, a light source receiver and a light emitter disposed inside the box, a baffle disposed inside the box, and a The floating block at the bottom of the baffle, the light source receiver and the light source transmitter are arranged symmetrically inside the box.

As a preferred solution of the high liquid level alarm device for the cooling tower of the power plant in the present invention, wherein: the conduit includes a sealing ring arranged on the outside, and the sealing ring is fixedly matched with the cooling tower pool body.

As a preferred solution of the high liquid level alarm device for the power plant cooling tower of the utility model, wherein: the box body includes a fixing seat arranged at the bottom, and a support block arranged at the bottom of the fixing seat.

As a preferred solution of the high liquid level alarm device for the power plant cooling tower of the utility model, wherein: the box body includes a reinforcing block arranged on the top of the fixing seat.

As a preferred solution of the high liquid level alarm device for the cooling tower of the power plant in the present invention, wherein: the light source receiver includes a first support seat arranged on the outside, and a fixing bolt arranged inside the first support seat .

As a preferred solution of the high liquid level alarm device for the power plant cooling tower of the present invention, wherein: the light source receiver includes a first protection pad arranged inside the first support base.

As a preferred solution of the high liquid level alarm device for the power plant cooling tower of the present invention, wherein: the light source emitter includes a second support seat arranged on the outside, and a mounting block arranged on the outside of the second support seat .

As a preferred solution of the high liquid level alarm device for the power plant cooling tower in the present invention, wherein: the light source emitter includes a second protection pad arranged inside the second support base, and the outside of the second protection pad Set with anti-slip texture.

As a preferred solution of the high liquid level alarm device for the power plant cooling tower of the utility model, wherein: the baffle plate includes a fixed block arranged at the bottom, and bolts are arranged inside the fixed block.

As a preferred solution of the high liquid level alarm device for the cooling tower of the power plant in the present invention, wherein: the light source receiver includes a through hole arranged inside the first support seat, and the through hole is symmetrically arranged with two groups .

The beneficial effects of the utility model are: when the water inside the cooling tower pool body reaches a certain height, the water will enter the inside of the box body through the conduit, and the floating block will float on the upper part of the water through the buoyancy effect, and with the rise of the water level When the water level rises to a certain height, the baffle on the upper part of the floating block will form a block between the light source receiver and the light source transmitter, causing the light source receiver to not receive the signal emitted by the light source transmitter. At this time, the light source transmitter The signal will be transmitted to the external alarm control system to remind the staff to control the liquid level of the cooling tower to avoid overflow.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention , for those skilled in the art, other drawings can also be obtained according to these drawings on the premise of not paying creative labor. in:

Figure 1 is a structural diagram of a high liquid level alarm device for a cooling tower in a power plant.

Figure 2 is the internal structure diagram of the box of the high liquid level alarm device of the cooling tower of the power plant.

Figure 3 is a connection structure diagram of the floating block and the baffle of the high liquid level alarm device of the cooling tower of the power plant.

Fig. 4 is a structural diagram of the first support seat of the high liquid level alarm device of the power plant cooling tower.

Fig. 5 is a structural diagram of the second support seat of the high liquid level alarm device of the power plant cooling tower.

detailed description

In order to make the above purpose, features and advantages of the utility model more obvious and easy to understand, the specific implementation of the utility model will be described in detail below in conjunction with the accompanying drawings.

In the following description, a lot of specific details have been set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways that are different from those described here, and those skilled in the art can do so without violating the connotation of the utility model. Under the circumstances, similar promotion is done, so the utility model is not limited by the specific embodiments disclosed below.

Secondly, "one embodiment" or "embodiment" referred to herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. "In one embodiment" appearing in different places in this specification does not all refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments.

Example 1

Referring to Fig. 1, Fig. 2 and Fig. 3, it is the first embodiment of the present utility model, which provides a high liquid level alarm device for a power plant cooling tower, and the high liquid level alarm device for a power plant cooling tower includes a cooling tower pool assembly 100 And alarm assembly 200.

Specifically, the cooling tower pool assembly 100 includes a cooling tower pool body 101 and a conduit 102 disposed on one side of the cooling tower pool body 101 . One side of the cooling tower pool body 101 is communicated with a conduit 102 .

Preferably, the alarm assembly 200 includes a box body 201 arranged on one side of the conduit 102, a light source receiver 202 and a light source transmitter 203 arranged inside the box body 201, a baffle plate 204 arranged inside the box body 201, and a set The floating block 205 at the bottom of the baffle 204 , the light source receiver 202 and the light source emitter 203 are arranged symmetrically inside the box body 201 . One end of the conduit 102 is connected with a box body 201, and the symmetrical inner walls on both sides of the box body 201 are respectively fixedly connected with a light source receiver 202 and a light source emitter 203, and a floating block 205 is placed inside the box body 201, and the top of the floating block 205 is fixedly connected to There is a baffle 204 .

When in use, the conduit 102 is installed in the preset position of the cooling tower pool body 101, and then the box body 201 is communicated with the conduit 102. The height of the box body 201 is designed according to the actual use. When the water in the cooling tower pool body 101 When reaching a certain height, the water will enter the inside of the box body 201 through the conduit 102, and the floating block 205 will float on the upper part of the water through the buoyancy effect, and will continue to rise as the water level rises. When the water level rises to a certain height, the floating block 205 will float The baffle plate 204 on the top of the block 205 will form a barrier between the light source receiver 202 and the light source transmitter 203, causing the light source receiver 202 to receive no signal emitted by the light source transmitter 203, and the light source transmitter 203 will transmit the signal to An external alarm control system reminds the staff to control the liquid level of the cooling tower to avoid overflow.

Example 2

Referring to Fig. 1 and Fig. 2, it is the second embodiment of the utility model. This embodiment is based on the previous embodiment. The conduit 102 includes a sealing ring 102a arranged on the outside, and the sealing ring 102a is fixedly matched with the cooling tower pool body 101 . The outer side of the conduit 102 is provided with a sealing ring 102a, and the sealing ring 102a is fixedly connected to the outside of the cooling tower pool body 101. By arranging the sealing ring 102a, the sealing between the conduit 102 and the cooling tower pool body 101 can be improved to prevent water leakage .

Preferably, the box body 201 includes a fixing base 201a disposed at the bottom, and a support block 201b disposed at the bottom of the fixing base 201a. The bottom of the box body 201 is fixedly connected with a fixed seat 201a, the fixed seat 201a is fixedly connected with the outside of the cooling tower pool body 101, and the bottom of the fixed seat 201a is fixedly connected with a support block 201b. By setting the fixed seat 201a and the support block 201b, the The box body 201 is supported and fixed to improve the stability of the box body 201 .

Preferably, the box body 201 includes a reinforcing block 201a-1 disposed on the top of the fixing seat 201a. A reinforcing block 201a-1 is fixedly connected to the top of the fixing seat 201a, and the connection tightness between the box body 201 and the fixing seat 201a can be improved by arranging the reinforcing block 201a-1.

When in use, the conduit 102 is installed in the preset position of the cooling tower pool body 101, and then the box body 201 is communicated with the conduit 102. The height of the box body 201 is designed according to the actual use. When the water in the cooling tower pool body 101 When reaching a certain height, the water will enter the inside of the box body 201 through the conduit 102, and the floating block 205 will float on the upper part of the water through the buoyancy effect, and will continue to rise as the water level rises. When the water level rises to a certain height, the floating block 205 will float The baffle plate 204 on the top of the block 205 will form a barrier between the light source receiver 202 and the light source transmitter 203, causing the light source receiver 202 to receive no signal emitted by the light source transmitter 203, and the light source transmitter 203 will transmit the signal to An external alarm control system reminds the staff to control the liquid level of the cooling tower to avoid overflow. The outside of the conduit 102 is provided with a sealing ring 102a, and the sealing ring 102a is fixedly connected to the outside of the cooling tower pool body 101. By setting the sealing ring 102a, it can Improve the sealing between the conduit 102 and the cooling tower pool body 101 to prevent water leakage. The bottom of the box body 201 is fixedly connected with a fixed seat 201a, and the fixed seat 201a is fixedly connected with the outside of the cooling tower pool body 101. The bottom of the fixed seat 201a Fixedly connected with a support block 201b, by setting the fixed seat 201a and the support block 201b, the box body 201 can be supported and fixed, and the stability of the box body 201 can be improved. The top of the fixed seat 201a is fixedly connected with a reinforcement block 201a-1. The block 201a-1 can improve the connection tightness between the box body 201 and the fixing base 201a.

Example 3

Referring to 3-5, it is the third embodiment of the present utility model, which is based on the first two embodiments.

Specifically, the light source receiver 202 includes a first support seat 202a disposed outside, and a fixing bolt 202b disposed inside the first support seat 202a. The outside of the light source receiver 202 is clamped with a first support seat 202a, and the first support seat 202a is fixedly connected with the box body 201 through the fixing bolt 202b. By setting the first support seat 202a, the light source receiver 202 can be supported and fixed, and the light source The stability of the receiver 202 while in use.

Preferably, the light source receiver 202 includes a first protection pad 202a-1 disposed inside the first supporting base 202a. The inside of the first support base 202a is fixedly connected with the first protection pad 202a-1, and the damage to the light source receiver 202 by the first support base 202a can be avoided by setting the first protection pad 202a-1.

Preferably, the light source emitter 203 includes a second support base 203a disposed outside, and a mounting block 203b disposed outside the second support base 203a. The outside of the light source emitter 203 is clamped with a second support seat 203a, the second support seat 203a and the box body 201 are fixedly connected by the installation block 203b, and the light source emitter 203 can be supported and fixed by setting the second support seat 203a.

Preferably, the light source emitter 203 includes a second protection pad 203a-1 disposed inside the second support seat 203a, and anti-skid lines are disposed on the outside of the second protection pad 203a-1. The second support base 203a is fixedly connected with the second protection pad 203a-1, and the second support base 203a and the light source emitter 203 can be isolated by setting the second protection pad 203a-1, thereby providing protection for the light source emitter 203.

Preferably, the baffle plate 204 includes a fixing block 204a arranged at the bottom, and bolts are arranged inside the fixing block 204a. The bottom of the baffle 204 is fixedly connected with a fixed block 204a. By setting the fixed block 204a, the connection strength between the baffle 204 and the floating block 205 can be improved, thereby improving the firmness of the baffle 204.

Preferably, the light source receiver 202 includes through holes 202a-2 disposed inside the first support base 202a, and two groups of through holes 202a-2 are arranged symmetrically. The inside of the first support base 202a is provided with a through hole 202a-2, and the heat dissipation efficiency between the light source receiver 202 and the first support base 202a can be improved by setting the through hole 202a-2.

When in use, the conduit 102 is installed in the preset position of the cooling tower pool body 101, and then the box body 201 is communicated with the conduit 102. The height of the box body 201 is designed according to the actual use. When the water in the cooling tower pool body 101 When reaching a certain height, the water will enter the inside of the box body 201 through the conduit 102, and the floating block 205 will float on the upper part of the water through the buoyancy effect, and will continue to rise as the water level rises. When the water level rises to a certain height, the floating block 205 will float The baffle plate 204 on the top of the block 205 will form a barrier between the light source receiver 202 and the light source transmitter 203, causing the light source receiver 202 to receive no signal emitted by the light source transmitter 203, and the light source transmitter 203 will transmit the signal to An external alarm control system reminds the staff to control the liquid level of the cooling tower to avoid overflow. The outside of the conduit 102 is provided with a sealing ring 102a, and the sealing ring 102a is fixedly connected to the outside of the cooling tower pool body 101. By setting the sealing ring 102a, it can Improve the sealing between the conduit 102 and the cooling tower pool body 101 to prevent water leakage. The bottom of the box body 201 is fixedly connected with a fixed seat 201a, and the fixed seat 201a is fixedly connected with the outside of the cooling tower pool body 101. The bottom of the fixed seat 201a Fixedly connected with a support block 201b, by setting the fixed seat 201a and the support block 201b, the box body 201 can be supported and fixed, and the stability of the box body 201 can be improved. The top of the fixed seat 201a is fixedly connected with a reinforcement block 201a-1. The block 201a-1 can improve the tightness of the connection between the box body 201 and the fixing seat 201a. The outside of the light source receiver 202 is clamped with the first support seat 202a, and the first support seat 202a and the box body 201 are fixedly connected by fixing bolts 202b. , by setting the first support seat 202a, the light source receiver 202 can be supported and fixed, and the stability of the light source receiver 202 in use can be improved. The first protective pad 202a-1 can prevent the first support base 202a from causing damage to the light source receiver 202, the outside of the light source transmitter 203 is clamped with the second support base 203a, and the second support base 203a and the box body 201 pass through the installation block 203b Fixed connection, the light source emitter 203 can be supported and fixed by setting the second support seat 203a, the second support seat 203a is fixedly connected with the second protection pad 203a-1, and the second protection pad 203a-1 can be set The support seat 203a is isolated from the light source emitter 203, thereby providing protection to the light source emitter 203. The bottom of the baffle plate 204 is fixedly connected with a fixed block 204a. By setting the fixed block 204a, the connection between the baffle plate 204 and the floating block 205 can be improved. Strength, thereby improving the firmness of the baffle 204, the inside of the first support seat 202a is provided with a through hole 202a-2, by setting the through hole 202a-2, the connection between the light source receiver 202 and the first support seat 2 can be improved. Heat dissipation efficiency between 02a.

It should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model without limitation. Although the utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the utility model can be Modifications or equivalent replacements of the technical solutions without departing from the spirit and scope of the technical solutions of the utility model shall be covered by the claims of the utility model.

Claims (10)

1. The utility model provides a power plant's cooling tower high liquid level alarm device which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

a cooling tower pool assembly (100) comprising a cooling tower pool body (101), and a conduit (102) disposed at one side of the cooling tower pool body (101), and;

the alarm assembly (200) comprises a box body (201) arranged on one side of the guide pipe (102), a light source receiver (202) and a light source transmitter (203) arranged inside the box body (201), a baffle plate (204) arranged inside the box body (201) and a floating block (205) arranged at the bottom of the baffle plate (204), wherein the light source receiver (202) and the light source transmitter (203) are symmetrically arranged inside the box body (201).

2. The power plant cooling tower high liquid level alarm device of claim 1, wherein: the guide pipe (102) comprises a sealing ring (102 a) arranged on the outer side, and the sealing ring (102 a) is fixedly matched with the cooling tower pool body (101).

3. The power plant cooling tower high liquid level alarm device of claim 1 or 2, characterized in that: the box body (201) comprises a fixed seat (201 a) arranged at the bottom and a supporting block (201 b) arranged at the bottom of the fixed seat (201 a).

4. The power plant cooling tower high liquid level alarm device of claim 3, wherein: the box body (201) comprises a reinforcing block (201 a-1) arranged at the top of the fixed seat (201 a).

5. The power plant cooling tower high level alarm device of any one of claims 1-2 and 4, wherein: the light source receiver (202) comprises a first supporting seat (202 a) arranged on the outer side, and a fixing bolt (202 b) arranged inside the first supporting seat (202 a).

6. The power plant cooling tower high level alarm device of claim 5, wherein: the light source receiver (202) comprises a first protection pad (202 a-1) arranged inside the first supporting seat (202 a).

7. The power plant cooling tower high liquid level alarm device of claim 6, wherein: the light source emitter (203) comprises a second supporting seat (203 a) arranged on the outer side, and a mounting block (203 b) arranged on the outer side of the second supporting seat (203 a).

8. The power plant cooling tower high level alarm device of claim 7, wherein: the light source emitter (203) comprises a second protection pad (203 a-1) arranged inside the second support seat (203 a), and anti-skid grains are arranged on the outer side of the second protection pad (203 a-1).

9. The power plant cooling tower high liquid level alarm device of claim 1, wherein: the baffle (204) comprises a fixing block (204 a) arranged at the bottom, and a bolt is arranged inside the fixing block (204 a).

10. The power plant cooling tower high liquid level alarm device of claim 6, wherein: the light source receiver (202) comprises through holes (202 a-2) arranged in the first supporting seat (202 a), and two groups of through holes (202 a-2) are symmetrically arranged.

Images