CN218810446U - Water quality purification device for circulating cooling water of indirect air cooling unit - Google Patents
Water quality purification device for circulating cooling water of indirect air cooling unit Download PDFInfo
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- CN218810446U CN218810446U CN202222221627.2U CN202222221627U CN218810446U CN 218810446 U CN218810446 U CN 218810446U CN 202222221627 U CN202222221627 U CN 202222221627U CN 218810446 U CN218810446 U CN 218810446U
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Abstract
The utility model discloses an indirect air cooling unit recirculated cooling water purification installation, including air cooling tower, heat exchanger and quality of water purification unit, the play water end of heat exchanger and the inlet end pipe connection of air cooling tower, the play water end of heat exchanger still passes through the quality of water purification unit and is connected with the inlet end pipe connection of air cooling tower, the play water end of air cooling tower and the inlet end pipe connection of heat exchanger, quality of water purification unit is including purifying tank body, the internal water inlet department that just is close to purifying tank body of purifying tank is provided with the water-locator, the internal water outlet department that just is close to purifying tank body of purifying tank is provided with the resin, the internal filter and the filler that just is located of purifying tank has set gradually between water-locator and the resin, has simple structure, water purification's beneficial effect.
Description
Technical Field
The utility model belongs to the technical field of the water treatment of power plant, concretely relates to indirect air cooling unit recirculated cooling water matter purifier.
Background
Although measures such as flushing and water changing are adopted in an indirect air cooling water system of a thermal power plant before operation, the indirect air cooling water system has a large volume, the system cannot completely empty and replace the indirect air cooling water, and thousands of cubic meters are consumed in water changing each time, so that the water changing is limited by the water making capacity of desalted water, the water changing cost and the field reality, and the water changing is difficult to ensure that the water quality is completely qualified.
Most of the indirect air cooling water systems in China at present adopt an SCAL type indirect air cooling system which is efficient and water-saving, is made of aluminum, has good heat dissipation, but the aluminum is amphoteric metal and can be corroded in acidic or alkaline water, so that indexes such as the pH value, aluminum ions, iron ions and conductivity of indirect air cooling water after operation seriously exceed standards, corrosion and leakage of a cooling triangular aluminum tube bundle of the indirect air cooling system are caused, and the safety operation of a power plant is greatly influenced.
With the release of the corrosion control guide rule of the circulating cooling water system of the DL/T2295-2021 surface type indirect air cooling unit, the original reference manufacturer or the original reference manufacturer refers to the control of other industries to become history, and the new guide rule further improves the requirement on the water quality, so that a new equipment process is urgently needed to solve the problem of overproof water quality.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an indirect air cooling unit recirculated cooling water purification device to solve the problem that indirect air cooling unit recirculated cooling water quality of water of thermal power plant exceeds standard.
The specific scheme is as follows:
the water quality purification device for the recirculated cooling water of the indirect air cooling unit comprises an air cooling tower, a heat exchanger and a water quality purification unit, wherein the water outlet end of the heat exchanger is connected with a water inlet end pipeline of the air cooling tower, the water outlet end of the heat exchanger is connected with a water inlet end pipeline of the air cooling tower through the water quality purification unit, the water outlet end of the air cooling tower is connected with a water inlet end pipeline of the heat exchanger, the water quality purification unit comprises a purification tank body, a water distributor is arranged at a position, close to the water inlet of the purification tank body, in the purification tank body, a resin is arranged at a position, close to the water outlet of the purification tank body, and a filter and a filler are sequentially arranged between the water distributor and the resin in the purification tank body.
The external water inlet department that just is close to the purifying tank body of purifying tank is provided with manometer and water inlet valve, the water inlet of the purifying tank body through manometer and water inlet valve with the water outlet end pipe connection of heat exchanger.
Still be provided with bypass inlet tube and first blow off pipe on the purifying tank body, bypass inlet tube and first blow off pipe are installed respectively in the both ends of filter, be provided with the bypass water valve on the bypass inlet tube, the bypass inlet tube pass through the bypass water valve with water inlet valve pipe connection, be provided with the granularity count appearance on the first blow off pipe, granularity count appearance and first blow off pipe connection.
Still be provided with intake pipe and blast pipe on the purifying tank body, intake pipe and blast pipe are installed respectively in the both ends of filter.
Still be provided with on the purifying tank body and wash inlet tube and second drain pipe, wash inlet tube and second drain pipe and install respectively in the resin both ends.
The external water outlet department that just is close to the purifying tank body of purifying tank is provided with conductivity meter, heavy metal apparatus, pH meter and play water valve outward, the delivery port that purifies the tank body pass through conductivity meter, heavy metal apparatus, pH meter and play water valve with the water inlet end pipe connection of air cooling tower.
The purifying tank is characterized in that a turbidity analyzer is further arranged on the purifying tank body, and the turbidity analyzer is arranged at the corresponding position where the filler of the purifying tank body is located.
The filter is a polypropylene filter, the filler is diatomite filler, and the resin is macroporous mixed bed anion exchange resin.
The utility model discloses an indirect air cooling unit recirculated cooling water purification installation, including the air cooling tower, heat exchanger and water purification unit, recirculated cooling water passes through the filter in the water purification unit, filler and resin purify, investment cost is lower, three to five days of operation in one month can guarantee that quality of water meets the requirements usually, furthermore, the conductivity appearance, heavy metal apparatus and pH meter can monitor the quality of water after purifying, furthermore, the bypass inlet tube can be washd the filter, wash the inlet tube and can wash the resin, the cyclic utilization of filter and resin has been guaranteed, and is simple in structure, water purification's beneficial effect.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings. Obviously, the described embodiments are only a part of the implementations of the present invention, and not all implementations, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
As shown in fig. 1, the water quality purification device for recirculated cooling water of the indirect air cooling unit comprises an air cooling tower 2, a heat exchanger 1 and a water quality purification unit, wherein a water outlet end 20 of the heat exchanger is in pipe connection with a water inlet end 17 of the air cooling tower, the water outlet end 20 of the heat exchanger is also in pipe connection with the water inlet end 17 of the air cooling tower through the water quality purification unit, a water outlet end 18 of the air cooling tower is in pipe connection with a water inlet end 19 of the heat exchanger, the water quality purification unit comprises a purification tank 7, a water distributor 11 is arranged in the purification tank 7 and close to the water inlet of the purification tank 7, a resin 15 is arranged in the purification tank 7 and close to the water outlet of the purification tank 7, and a filter 12 and a filler 13 are sequentially arranged in the purification tank 7 and between the water distributor 11 and the resin 15.
The utility model discloses a heat exchanger, including purifying tank 7, water inlet department that just is close to purifying tank 7 outside purifying tank 7 is provided with manometer 10 and intake water valve 9, purifying tank 7's water inlet pass through manometer 10 and intake water valve 9 with the 20 pipe connections of water outlet end of heat exchanger, manometer 10 adopts the magnetism of the production of the big china instrument factory of handan city electric contact manometer.
The purification tank body 7 is also provided with a bypass water inlet pipe and a first drainage pipe 22, the bypass water inlet pipe and the first drainage pipe 22 are respectively arranged at two ends of the filter 12, the bypass water inlet pipe is provided with a bypass water valve 8, the bypass water inlet pipe is connected with the water inlet water valve 9 through a bypass water valve 8, the first drainage pipe 22 is provided with a granularity counter 14, the granularity counter 14 is connected with the first drainage pipe 22 through a pipeline, the purification tank body 7 is a horizontal stainless steel corrosion-resistant tank body produced by Shandong Colins environmental protection science and technology limited in the market, the bypass water valve 8 and the water inlet water valve 9 are high-temperature-resistant and corrosion-resistant electric butterfly valves produced by Shandong Kolins environmental protection science and technology limited in the market, and the granularity counter 14 is a 2200 PCX granularity counter produced by Hash water quality analyzer (Shanghai) limited in the market.
An air inlet pipe 24 and an air outlet pipe 21 are further arranged on the purification tank body 7, and the air inlet pipe 24 and the air outlet pipe 21 are respectively arranged at two ends of the filter 12.
The purifying tank body 7 is also provided with a washing water inlet pipe 25 and a second water outlet pipe 23, and the washing water inlet pipe 25 and the second water outlet pipe 23 are respectively arranged at two ends of the resin 15.
The water outlet of the purification tank body 7 is connected with a water inlet end 17 of the air cooling tower through the conductivity meter 3, the heavy metal tester 4, the pH meter 5 and the water outlet valve 16, and the water outlet valve 16 adopts a high-temperature-resistant and corrosion-resistant electric butterfly valve manufactured by the commercial valve-through company Limited.
In this embodiment, the conductivity meter 3 is an SIN-TDS210-B online conductivity meter manufactured by hangzhou joint testing automation technology ltd, the heavy metal meter 4 is an EZ2000 online water quality heavy metal meter manufactured by hah water quality analyzer (shanghai) ltd, and the pH meter 5 is a BPH-200A online pH meter manufactured by bell analysis (dahlong) ltd.
The purifying tank 7 is also provided with a turbidity analyzer 6, and the turbidity analyzer 6 is arranged at the corresponding position of the filler 13 of the purifying tank 7. As the turbidity analyzer 6, an on-line turbidity analyzer of ULTRATURB Seawater sc manufactured by Hash Water quality Analyzer (Shanghai) Co., ltd was used.
The filter 12 is a polypropylene filter, the filler 13 is a diatomite filler, and the resin 15 is a macroporous mixed bed anion exchange resin. In this embodiment, the water distributor 11 is an impulse type water distributor produced by commercial Penglai water environmental protection technology, inc., the filter 12 is a 20-inch 0.1 μm water treatment polypropylene filter PP microporous folding filter core produced by commercial Shenzhen Ming Jiu Zhou actual industry, inc., the filler 13 is diatomite filler produced by commercial Shandong Chenghui energy-saving environmental protection technology, inc., and the resin 15 is D201MB macroporous mixed bed anion exchange resin produced by commercial Gallery Keohio environmental protection technology, inc.
The water quality purification device for the circulating cooling water of the indirect air cooling unit comprises the following specific working processes:
the circulating cooling water discharged from the water outlet end 20 of the heat exchanger can be divided into two paths, one path is conveyed into the air cooling tower 2 through a pipeline, and is circulated into the heat exchanger 1 through the water inlet end 19 of the heat exchanger after being cooled in the air cooling tower 2, so that the circulation is continuously carried out, and the other path is used for allowing the circulating cooling water to enter the purifying tank body 7 through the water inlet valve 9 and the pressure gauge 10; circulating water is purified in the purification tank body 7 through the water distributor 11, the filter 12, the filler 13 and the resin 15 in sequence, when the circulating water passes through the filler 13, the turbidity of the circulating water is monitored by the turbidity analyzer 6, purified water passes through the pH meter 5, the heavy metal determinator 4, the conductivity meter 3 and the water outlet valve 16 and finally enters the air cooling tower 2, and after being cooled in the air cooling tower 2, the purified water is circulated to the heat exchanger 1 through the water inlet end 19 of the heat exchanger to complete circulation.
In the water purification process, the air inlet pipe 24 is connected with an external air pump, so that the pressure in the purification tank 7 can be increased, the flow rate of circulating water in the purification tank 7 is increased, the turbidity, the pH value, the iron ion content, the aluminum ion content and the conductivity of the circulating water can be monitored by the turbidity analyzer 6, the pH meter 5, the heavy metal determinator 4 and the conductivity meter 3, the outlet water valve 16 is manually closed after the turbidity, the pH value, the iron ion content, the aluminum ion content and the conductivity of the circulating water in the water are monitored to reach the standard, the bypass water valve 8 is opened, the filter 12 in the purification tank 7 is cleaned by the circulating water through the bypass water valve 8, the cleaned circulating water can be discharged through the first water discharge pipe 22, the granularity counter 14 on the first water discharge pipe 22 can monitor the discharged circulating water so as to know whether the filter 12 is cleaned to be qualified, and the bypass water valve 8 and the inlet water valve 9 are manually closed after the filter 12 is qualified.
In addition, the resin 15 may be washed by the wash water inlet pipe 25 using external water, and the washed water is discharged through the second drain pipe 23.
After the purification tank body is cleaned, the water inlet valve 9 is manually closed, at the moment, circulating water only circularly flows between the air cooling tower 2 and the heat exchanger 1, after a period of circulation, the water inlet valve 9 and the water outlet valve 16 can be opened again to purify the circulating water again, and the water quality purification device can be operated for three to five days in one month generally to ensure that the water quality meets the requirement.
The technical means disclosed by the scheme of the present invention is not limited to the technical means disclosed by the above embodiments, but also includes the technical scheme formed by the arbitrary combination of the above technical features. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications are also considered as the protection scope of the present invention.
Claims (8)
1. Indirect air cooling unit recirculated cooling water purification device, its characterized in that: including air cooling tower (2), heat exchanger (1) and quality of water purification unit, the play water end (20) of heat exchanger and the end (17) pipe connection of intaking of air cooling tower, the play water end (20) of heat exchanger still through quality of water purification unit and the end (17) pipe connection of intaking of air cooling tower, the play water end (18) of air cooling tower and the end (19) pipe connection of intaking of heat exchanger, quality of water purification unit is including purifying tank body (7), the inlet department that just is close to purifying tank body (7) in purifying tank body (7) is provided with water-locator (11), the outlet department that just is close to purifying tank body (7) in purifying tank body (7) is provided with resin (15), it has set gradually filter (12) and filler (13) just to be located between water-locator (11) and resin (15) in purifying tank body (7).
2. The water quality purification device for the circulating cooling water of the indirect air cooling unit as claimed in claim 1, characterized in that: the water inlet of the purifying tank body (7) is provided with a pressure gauge (10) and a water inlet valve (9), and the water inlet of the purifying tank body (7) is connected with the water outlet end (20) of the heat exchanger through the pressure gauge (10) and the water inlet valve (9).
3. The water quality purification device for the circulating cooling water of the indirect air cooling unit as claimed in claim 2, characterized in that: still be provided with bypass inlet tube and first blast pipe (22) on the purifying tank body (7), install respectively in the both ends of filter (12) bypass inlet tube and first blast pipe (22), be provided with bypass water valve (8) on the bypass inlet tube, the bypass inlet tube pass through bypass water valve (8) with inlet water valve (9) pipe connection, be provided with granularity count appearance (14) on first blast pipe (22), granularity count appearance (14) and first blast pipe (22) pipe connection.
4. The water quality purification device for the circulating cooling water of the indirect air cooling unit as claimed in claim 1, characterized in that: still be provided with intake pipe (24) and blast pipe (21) on purifying tank body (7), intake pipe (24) and blast pipe (21) are installed respectively in the both ends of filter (12).
5. The water quality purification device for the circulating cooling water of the indirect air cooling unit as claimed in claim 1, characterized in that: still be provided with on the purifying tank body (7) and wash inlet tube (25) and second drain pipe (23), wash inlet tube (25) and second drain pipe (23) and install respectively in resin (15) both ends.
6. The water quality purification device for the circulating cooling water of the indirect air cooling unit as claimed in claim 1, characterized in that: the water outlet that just is close to the purifying tank body (7) outside the purifying tank body (7) is provided with conductivity meter (3), heavy metal apparatus (4), pH meter (5) and play water valve (16), the delivery port that the purifying tank body (7) passes through conductivity meter (3), heavy metal apparatus (4), pH meter (5) and play water valve (16) with the end (17) pipe connection of intaking of air cooling tower.
7. The water quality purification device for the circulating cooling water of the indirect air cooling unit as claimed in claim 1, characterized in that: the purifying tank body (7) is further provided with a turbidity analyzer (6), and the turbidity analyzer (6) is installed at the corresponding position where the filler (13) of the purifying tank body (7) is located.
8. The water quality purification device for the circulating cooling water of the indirect air cooling unit as claimed in claim 1, characterized in that: the filter (12) is a polypropylene filter, the filler (13) is diatomite filler, and the resin (15) is macroporous mixed bed anion exchange resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222221627.2U CN218810446U (en) | 2022-08-23 | 2022-08-23 | Water quality purification device for circulating cooling water of indirect air cooling unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222221627.2U CN218810446U (en) | 2022-08-23 | 2022-08-23 | Water quality purification device for circulating cooling water of indirect air cooling unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218810446U true CN218810446U (en) | 2023-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222221627.2U Active CN218810446U (en) | 2022-08-23 | 2022-08-23 | Water quality purification device for circulating cooling water of indirect air cooling unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218810446U (en) |
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2022
- 2022-08-23 CN CN202222221627.2U patent/CN218810446U/en active Active
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