A cooling circulating water pipeline impurity remover and a cooling circulating water treatment system

Abstract

The utility model discloses a cooling circulating water pipeline impurity remover and cooling circulating water treatment system belongs to outdoor cooling tower cooling circulating water treatment equipment technical field, including cylinder, be equipped with water inlet pipe, water outlet pipe and blow-off pipe on the cylinder, the inside of cylinder is equipped with oblique flow board no.

Description

Technical Field

[0001] This utility model relates to the technical field of outdoor cooling tower cooling circulating water treatment equipment, and in particular to a cooling circulating water pipeline impurity remover and cooling circulating water treatment system. Background Technology

[0002] The cooling water circulating in outdoor cooling towers is used continuously for a long time. The water tanks or pools of the cooling towers cannot be cleaned frequently, resulting in a large amount of sediment, scale, dust, and sludge in the tanks or pools. The circulating water also contains scale and particulate matter. The circulating water pump delivers this cooling water to the heat exchange equipment, where it indirectly exchanges heat with the high-temperature medium to cool it down. However, the scale and particulate matter contained in the circulating water will settle at the bottom of the heat exchange equipment and at the lowest point of the pipes, which can easily block the pipes and heat exchange tubes of the heat exchange equipment, affecting the heat exchange and cooling effect and increasing the workload of maintenance and cleaning of the equipment. Utility Model Content

[0003] This utility model addresses the shortcomings of existing technologies by providing a simple structure, convenient installation and maintenance, good removal effect on gravity-settleable impurities, low pressure loss during impurity removal, and suitable for installation on pipelines. Specifically, it provides a cooling circulating water pipeline impurity remover and a cooling circulating water treatment system.

[0004] The technical solution of this utility model to solve the above-mentioned technical problems is as follows: In a first aspect, this utility model provides a cooling circulating water pipeline impurity remover, comprising a cylindrical body, an inlet pipe, an outlet pipe, and a drain pipe provided on the cylindrical body. The drain pipe is located at the bottom of the cylindrical body, and the inlet pipe is located at the lower end of the cylindrical body. Inside the cylindrical body, there are two inclined flow plates, one first and one second, which are staggered along the height direction of the cylindrical body and are both inclined. The first inclined flow plate is located above the inlet pipe, and the inclined ends of both the first and second inclined flow plates are downward. Inside the cylindrical body, a grid is connected via a supporting flange. The grid is located above the second inclined flow plate, and packing is installed above the grid.

[0005] Furthermore, the inclined flow plate includes a straight section one and a straight section two. The straight section one and the straight section two are fixedly connected, and the straight section one is fixedly connected to the inner wall of the cylinder. The straight section two is vertically arranged, and the position of the straight section two is lower than the position of the water inlet pipe.

[0006] Furthermore, the included angle α between the first and / or second inclined plate and the inner wall of the cylinder is 30-45°.

[0007] Furthermore, the second straight segment extends downwards to the centerline of the cylinder.

[0008] Furthermore, at least two second diagonal plates are provided, and they are arranged alternately.

[0009] Furthermore, the cylinder is provided with an inspection port, which is connected to a cover plate. The inspection ports are located at the upper and lower ends of the cylinder, respectively, with the inspection port at the upper end of the cylinder positioned higher than the height of the packing material on the grid.

[0010] Furthermore, both the upper and lower ends of the cylinder are spherical end caps.

[0011] Secondly, this utility model also provides a cooling circulating water treatment system, including the cooling circulating water pipe impurity remover described above, and further including a cooling tower, a circulating water pump and a heat exchange device. The outlet of the cooling tower is connected to the circulating water pump, the inlet of the circulating water pump is connected to the inlet pipe of the impurity remover, the outlet pipe of the impurity remover is connected to the inlet of the heat exchange device, and the outlet of the heat exchange device is connected to the inlet of the cooling tower.

[0012] Furthermore, valves are installed on the pipes between the cooling tower and the heat exchange equipment, the cooling tower and the circulating water pump, and the circulating water pump and the impurity remover.

[0013] In summary, compared with the prior art, the beneficial effects of the above technical solution are: The impurity separator is a vertical impurity separator, mainly used in conjunction with the circulating water pump. It is installed on the pipeline at the outlet of the circulating water pump. It uses the internal S-structure and water flow deceleration to separate impurities in the water that can settle by gravity. The steel wire mesh packing at the top of the impurity separator removes suspended solids from the water and then transports the separated circulating water to the heat exchange equipment. The circulating water in the cooling tower water tank is pumped to the impurity remover. The circulating water enters the impurity remover and impacts the first baffle plate. The circulating water flows from top to bottom through the U-shaped baffle plate. Large particles of sand and other impurities settle to the bottom of the impurity remover in the circulating water pipe under gravity. The circulating water then flows from bottom to top through the S-shaped baffle to the outlet pipe of the impurity remover. The circulating water continues to flow upward through the second inclined plate and passes through the stainless steel wire mesh packing on the grid. The packing further removes impurities and suspended solids from the circulating water. The circulating water reaches the outlet pipe and is transported to the heat exchange equipment. After heat exchange, the heated circulating water flows into the cooling tower to dissipate heat. By removing impurities from the water, circulating water reduces blockages in downstream equipment heat exchangers and circulating water pipelines, ensuring normal equipment operation and reducing maintenance frequency and labor intensity. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of a cooling circulating water pipeline impurity remover according to Example 1; Figure 2This is a partial structural diagram of the grille in a cooling circulating water pipeline impurity remover according to Example 1; Figure 3 This is a schematic diagram of the structure of the inclined flow plate two in a cooling circulating water pipe impurity remover according to Example 1; Figure 4 This is a schematic diagram of the structure of the inclined plate in a cooling circulating water pipe impurity remover according to Example 1; Figure 5 This is a schematic diagram of the overall structure of a cooling circulating water treatment system according to Example 2.

[0015] Explanation of reference numerals in the attached drawings: 1. Inlet pipe; 2. Cylinder body; 3. Drain pipe; 4. Support; 5. Inspection port one; 6. Cover plate one; 7. Outlet pipe; 8. Flow deflector one; 81. Straight section one; 82. Straight section two; 9. Flow deflector two; 10. Flow deflector three; 11. Support flange; 12. Grille; 13. Packing; 14. Spherical head one; 15. Spherical head two; 16. Inspection port two; 17. Cover plate two; 18. Cooling tower; 19. Circulating water pump; 20. Heat exchange equipment; 21. Inlet butterfly valve. Detailed Implementation

[0016] The principles and features of this utility model are described below with reference to all the accompanying drawings. The examples given are only for explaining this utility model and are not intended to limit the scope of this utility model.

[0017] This utility model discloses a cooling circulating water pipeline impurity remover and a cooling circulating water treatment system.

[0018] Example 1 Reference Figures 1-4 This utility model provides a cooling circulating water pipeline impurity remover. The remover is a vertical circulating water pipeline impurity remover, mainly used in conjunction with a circulating water pump 19. It is installed on the pipeline at the outlet of the circulating water pump 19 and includes a cylindrical body 2. The cylindrical body 2 is equipped with an inlet pipe 1, an outlet pipe 7, and a drain pipe 3. The drain pipe 3 is located at the bottom of the cylindrical body 2, the inlet pipe 1 is located at the lower end of the cylindrical body 2, and the outlet pipe 7 is located at the top of the cylindrical body 2. Spherical end caps are installed at both the top and bottom of the cylindrical body 2 for sealing. For ease of description, the top spherical end cap is designated as spherical end cap two 15, and the bottom spherical end cap is designated as spherical end cap one 14. The inlet pipe 1 is welded to approximately one-third of the height above spherical end cap one 14, and its inlet flange is connected to a valve in the circulating water pipeline. A drain pipe 3 is also provided at the bottom of the cylindrical body 2, welded below spherical end cap one 14, and its outlet flange is connected to a valve in the circulating water drain pipe 3. The outlet pipe 7 is welded above the spherical end cap 215, and the outlet flange is connected to the valve of the circulating water pipeline.

[0019] The cylinder 2 is equipped with a first oblique flow plate 8 and a second oblique flow plate. At least two second oblique flow plates are provided. In this embodiment, there are two second oblique flow plates, namely oblique flow plate 9 and oblique flow plate 10. The oblique flow plates 8, 9, and 10 are symmetrically and staggeredly welded and installed from bottom to top inside the cylinder 2. The oblique surfaces of the three oblique flow plates extend downward, and the inclination angle α of each oblique flow plate is 30-45°.

[0020] A support flange 11 is installed above the diagonal flow plate 3 10. The outer edge of the support flange 11 is firmly welded to the inner wall of the cylinder 2. A grid-shaped grid 12 is installed on the support flange 11. A packing 13 is installed on the grid-shaped grid 12. The packing 13 is a stainless steel wire mesh packing 13. The outer edge diameter of the grid-shaped grid 12 is smaller than the inner diameter of the cylinder 2 and larger than the inner diameter of the support flange 11.

[0021] The first and second oblique flow plates are staggered along the height direction of the cylinder 2. The position of the first oblique flow plate corresponds to the position of the water inlet pipe 1, and the first oblique flow plate is located above the water inlet pipe 1. The oblique flow plate 8 includes a straight section 81 and a straight section 82. The straight section 81 and the straight section 82 are fixedly connected, and the straight section 81 is fixedly connected to the inner wall of the cylinder 2. The straight section 82 is vertically arranged, and its position is lower than that of the inlet pipe 1. The end of the straight section 82 extends downward to the center line of the cylinder 2, and the edge of the straight section 82 coincides with the center line of the cylinder 2. This allows the water entering the inlet pipe 1 to impact the oblique flow plate 8 under the action of the water flow. The water flows downward through the U-shaped deflection of the oblique flow plate 8. Large particles of sand and other debris settle to the spherical end cap 14 at the bottom of the impurity remover in the circulating water pipe under the action of gravity. The debris settled on the spherical end cap 14 at the bottom of the impurity remover flows out through the sewage pipe 3 through periodic sewage discharge and is discharged into the sewage network to enter the sewage treatment system. The circulating water then flows upward through the S-shaped deflection to the outlet pipe 7 of the impurity remover.

[0022] When the circulating water flows upward through the S-shaped baffle, it first encounters the obstruction of the second baffle plate 9, then flows upward to the other side towards the third baffle plate 10. After encountering the obstruction of the third baffle plate 10 again, it flows upward above the second baffle plate 9 on the other side. At this time, after passing through the obstruction of the second baffle plate 9 and the third baffle plate 10, some debris settles on the spherical end cap 14 at the bottom of the impurity remover of the circulating water pipeline under the action of gravity. Because the obstruction plate is inclined downward, the debris that falls on the obstruction plate falls on the spherical end cap 14 at the bottom of the impurity remover under the action of gravity.

[0023] The circulating water continues to flow upward through the baffle plate 2 9 and the baffle plate 3 10, passing through the stainless steel wire mesh packing 13 on the grid-shaped grille 12. The stainless steel wire mesh packing 13 further removes impurities and suspended solids from the circulating water. The circulating water reaches the outlet pipe 7 at the outlet and then proceeds to the next process.

[0024] Furthermore, the cylinder 2 is provided with an inspection port, which is connected to a cover plate. The cover plate and the inspection port are connected by bolts. The inspection ports are located at the upper and lower ends of the cylinder 2. For ease of description, the inspection port at the upper end of the cylinder 2 is designated as Inspection Port 1 5, and the corresponding cover plate is designated as Cover Plate 1 6; the inspection port at the lower end of the cylinder 2 is designated as Inspection Port 2 16, and the corresponding cover plate is designated as Cover Plate 2 17. The position of Inspection Port 1 5 is higher than the height of the packing material 13 on the grid 12, so that the packing material 13 can be removed for cleaning after opening Cover Plate 1 6. Inspection Port 2 16 is used to clean the dirt at the bottom of the cylinder 2.

[0025] Debris and suspended matter adhering to the packing 13 can be cleaned by periodically opening the cover of the inspection port 5 and taking out the stainless steel wire mesh packing 13. After cleaning, the stainless steel wire mesh packing 13 is placed back on the grid 12 and the cover 6 is closed to seal it.

[0026] The lower end of the cylinder 2 is also provided with a support 4, which is welded to the outside of the cylinder 2 and is used to install and fix the support legs.

[0027] In this embodiment, the diameter of the impurity remover cylinder 2 can be selected according to the project requirements and the type of impurities mixed in the circulating water. This reduces the flow rate of the circulating water inside the cylinder 2 and improves the removal effect of impurities by gravity settling.

[0028] By installing multiple inclined flow plates, the circulating water passes through an S-shaped baffle, further improving the removal of gravity-sedimented impurities.

[0029] Before being discharged, the circulating water passes through the stainless steel wire mesh packing 13 again to further remove smaller impurities and suspended matter from the circulating water.

[0030] By removing impurities from the water, circulating water reduces blockages in downstream equipment heat exchangers and circulating water pipelines, ensuring normal equipment operation and reducing maintenance frequency and labor intensity.

[0031] The stainless steel wire mesh packing 13 is made of stainless steel, giving it strong corrosion resistance. The impurity remover is connected to the pipeline and inspection port via flanges, facilitating easy assembly and disassembly.

[0032] Example 2 Reference Figure 5This utility model embodiment also provides a cooling circulating water treatment system, including the cooling circulating water pipe impurity remover described above, and further including a cooling tower 18, a circulating water pump 19 and a heat exchange device 20. The outlet of the cooling tower 18 is connected to the circulating water pump 19, the inlet of the circulating water pump 19 is connected to the inlet pipe 1 of the impurity remover, the outlet pipe 7 of the impurity remover is connected to the inlet of the heat exchange device 20, and the outlet of the heat exchange device 20 is connected to the inlet of the cooling tower 18. Among them, the heat exchange equipment 20 (which can be multiple or a single heat exchanger; this practical example only shows one heat exchanger, which is the water cooler GLC3-8 type of hydraulic station in this practical example. It is a horizontally installed straight tube U-shaped heat exchanger with cooling water in the tube side and hot hydraulic oil in the shell side, which is an indirect heat exchange with a heat exchange area of ​​8㎡), the cooling tower 18 (which is a square counter-flow medium temperature chassis cooling tower JF(II)W-400T, designed with an inlet water temperature of 45℃, an outlet water temperature of 30℃, a cooling water flow rate of 400m3 / h, and a tower head of 5.2m. In this example, this is only used for the water flow and cooling process of this tower), and the circulating water pump 19 (in this example, the water pump is a pipeline pump model SGR-50-160 / 2, with a power of 3KW, H=32m, Q=12.5m³) are all existing technologies and will not be described in detail in this embodiment.

[0033] Furthermore, valves are installed on the pipes connecting the cooling tower 18 to the heat exchange equipment 20, the cooling tower 18 to the circulating water pump 19, and the circulating water pump 19 to the impurity remover. Specifically, the valve between the cooling tower 18 and the heat exchange equipment 20 is an inlet butterfly valve 21; a check valve is also connected to the pipe between the circulating water pump 19 and the inlet pipe 1 of the impurity remover, and an inlet valve is also connected to the end of the inlet pipe 1; an outlet valve is connected to the end of the outlet pipe 7 of the impurity remover, and a drain valve is connected to the drain pipe 3 of the impurity remover.

[0034] The working principle of Example 2 is as follows: The circulating water in the cooling tower 18 water tank is pumped to the circulating water pipeline impurity remover. Through the pipeline inlet valve and inlet pipe 1, the circulating water enters the circulating water pipeline impurity remover. The circulating water impacts the inclined flow plate 8 and flows downward through the U-shaped deflection plate 8. Large particles of sand and other impurities settle down to the spherical end cap 14 at the bottom of the circulating water pipeline impurity remover due to gravity. The circulating water then flows upward through the S-shaped deflection to the outlet of the impurity remover. The circulating water first encounters the obstruction of the second flow plate 9, then flows upward to the other side towards the third flow plate 10. After encountering the obstruction of the third flow plate 10 again, it flows upward above the second flow plate 9 on the other side. At this time, after passing through the obstruction of the second flow plate 9 and the third flow plate 10, some debris settles on the spherical end cap 14 at the bottom of the impurity remover in the circulating water pipeline under the action of gravity. Because the obstruction plate is inclined downward, the debris that falls on the obstruction plate falls on the spherical end cap 14 at the bottom of the impurity remover under the action of gravity.

[0035] The circulating water continues to flow upward through the baffle plate 29 and the baffle plate 310, passing through the stainless steel wire mesh packing 13 on the grid-shaped grille 12. The stainless steel wire mesh packing 13 further removes impurities and suspended solids from the circulating water. The circulating water reaches the outlet pipe 7 at the outlet and is transported to the heat exchange equipment 20. After heat exchange, the circulating water carrying heat flows into the cooling tower 18 to dissipate heat.

[0036] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A cooling circulating water pipeline decontaminator comprising a cylinder (2), characterized in that, The cylinder (2) is provided with an inlet pipe (1), an outlet pipe (7) and a drain pipe (3). The drain pipe (3) is located at the bottom of the cylinder (2). The inlet pipe (1) is located at the lower end of the cylinder (2). The cylinder (2) is provided with a first inclined flow plate (8) and a second inclined flow plate. The first inclined flow plate (8) and the second inclined flow plate are staggered along the height direction of the cylinder (2). The first inclined flow plate (8) and the second inclined flow plate are both inclined. The first inclined flow plate (8) is located above the inlet pipe (1), and the inclined ends of the first inclined flow plate (8) and the second inclined flow plate are both downward. The cylinder (2) is connected to a grid (12) through a support flange (11). The grid (12) is located above the second inclined flow plate, and a packing material (13) is installed above the grid (12).

2. A cooling recirculating water pipe decontaminator according to claim 1, characterized in that: The first inclined plate (8) includes a straight section one (81) and a straight section two (82). The straight section one (81) and the straight section two (82) are fixedly connected, and the straight section one (81) is fixedly connected to the inner wall of the cylinder (2). The straight section two (82) is vertically set, and the position of the straight section two (82) is lower than the position of the water inlet pipe (1).

3. A cooling recirculating water pipe decontaminator according to claim 1 or 2, characterised in that: The included angle α between the first (8) and / or the second oblique flow plate and the inner wall of the cylinder (2) is 30-45°.

4. A cooling recirculating water pipe decontaminator according to claim 2, wherein: The straight segment 2 (82) extends downward to the center line of the cylinder (2).

5. A cooling recirculating water pipe decontaminator according to claim 1, wherein: The second diagonal plate is provided in at least two parts, and they are arranged alternately.

6. A cooling recirculating water pipe decontaminator according to claim 1, wherein: The cylinder (2) is provided with an inspection port, which is connected to a cover plate. The inspection ports are located at the upper and lower ends of the cylinder (2), and the position of the inspection port at the upper end of the cylinder (2) is higher than the height of the packing (13) on the grid (12).

7. A cooling recirculating water pipe decontaminator according to claim 1, wherein: Both the upper and lower ends of the cylinder (2) are spherical heads.

8. A cooling recirculating water treatment system characterized by, The device includes a cooling circulating water pipe impurity remover as described in any one of claims 1-7, and further includes a cooling tower (18), a circulating water pump (19), and a heat exchange device (20). The outlet of the cooling tower (18) is connected to the circulating water pump (19), the inlet of the circulating water pump (19) is connected to the inlet pipe (1) of the impurity remover, the outlet pipe (7) of the impurity remover is connected to the inlet of the heat exchange device (20), and the outlet of the heat exchange device (20) is connected to the inlet of the cooling tower (18).

9. A cooling recirculating water treatment system according to claim 8, wherein: Valves are installed on the pipes between the cooling tower (18) and the heat exchange equipment (20), between the cooling tower (18) and the circulating water pump (19), and between the circulating water pump (19) and the impurity remover.

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