CN211226473U - Water treatment system for thermal power plant - Google Patents
Water treatment system for thermal power plant Download PDFInfo
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- CN211226473U CN211226473U CN201922132209.4U CN201922132209U CN211226473U CN 211226473 U CN211226473 U CN 211226473U CN 201922132209 U CN201922132209 U CN 201922132209U CN 211226473 U CN211226473 U CN 211226473U
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Abstract
The utility model discloses a thermal power plant chemical water treatment system, which comprises a softening tank, a salt tank and a pipeline device; a first softening chamber and a second softening chamber are arranged in the softening box, a first flow channel is arranged in the first softening chamber, a second flow channel is arranged in the second softening chamber, and ion softening resin is arranged on the first flow channel and the second flow channel; the pipeline device comprises a first water inlet valve, a first water outlet valve, a second water inlet valve, a second water outlet valve, a third water inlet valve, a third water outlet valve, a fourth water inlet valve and a fourth water outlet valve; the first water inlet valve and the third water outlet valve are both connected with one end of the first flow channel, and the first water outlet valve and the third water inlet valve are both connected with the other end of the first flow channel; the second water inlet valve and the fourth water outlet valve are both connected with one end of the second flow channel, and the second water outlet valve and the fourth water inlet valve are both connected with the other end of the first flow channel. The utility model has the advantages of can last to the boiler water supply, only need be equipped with one the utility model discloses to the boiler water supply, make enterprise production cost lower.
Description
Technical Field
The utility model relates to a change water processing system field that thermal power plant used.
Background
The thermal power plant generates electricity by using steam produced by a boiler, consumes a large amount of boiler water every day, and in order to prevent the boiler from scaling, the boiler water needs to be subjected to water treatment, namely calcium ions and magnesium ions (calcium and magnesium ions for short) which are easy to scale in the boiler water are eliminated in a chemical desalting mode.
The water softener is used for treating the boiler hydration water and is connected with the boiler to compensate the consumption of the boiler water. The water softener structurally comprises a softening tank, wherein a water inlet valve, a water outlet valve and a drain valve are arranged on the softening tank, the softening tank is connected with a salt tank through a pipeline, ion exchange resin is arranged in the softening tank, and a softened salt solution and a water pump are arranged in the salt tank; boiler water enters the softening tank from the water inlet valve at a constant speed, calcium and magnesium ions are replaced with sodium ions in the ion exchange resin, and then are adsorbed by the ion exchange resin, so that the boiler water is softened, and the softened boiler water is discharged from the water outlet valve at a constant speed; and (3) reducing the adsorption capacity of the ion exchange resin along with the prolonging of the service life, closing the water inlet valve, pumping the softened salt solution into the softening tank by using the water pump, washing the ion exchange resin to recover the adsorption capacity of the ion exchange resin, and discharging the washed solution from the drain valve.
When the ion exchange resin is washed, the water inlet valve needs to be closed, the softening work of boiler water is forced to be interrupted, the water softeners cannot produce water, the water in the boiler cannot be supplemented in time, the water in the boiler is rapidly consumed, the boiler can be burnt and damaged, therefore, two water softeners are arranged in each boiler, when one water softener cannot produce water, the water produced by the other water softener is supplied to the boiler, and the two water softeners work alternately. Because each boiler needs to be provided with two water softeners, the production cost of enterprises is higher.
Therefore, the existing water softener has the defect that water cannot be continuously supplied to the boiler, and two water softeners are required to be arranged to supply water to the boiler, so that the production cost of enterprises is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a thermal power plant ization water processing system. The utility model has the advantages of can last to the boiler water supply, only need be equipped with one the utility model discloses to the boiler water supply, make enterprise production cost lower.
The technical scheme of the utility model: the chemical water treatment system of the thermal power plant comprises a softening tank, a salt tank and a pipeline device;
a first softening chamber and a second softening chamber are arranged in the softening box, a first flow channel is arranged in the first softening chamber, a second flow channel is arranged in the second softening chamber, and ion softening resin is arranged on the first flow channel and the second flow channel;
the pipeline device comprises a first water inlet valve, a first water outlet valve, a second water inlet valve, a second water outlet valve, a third water inlet valve, a third water outlet valve, a fourth water inlet valve and a fourth water outlet valve which are all positioned at the outer side of the softening tank; the first water inlet valve and the third water outlet valve are both connected with one end of the first flow channel, and the first water outlet valve and the third water inlet valve are both connected with the other end of the first flow channel; the second water inlet valve and the fourth water outlet valve are both connected with one end of the second flow channel, and the second water outlet valve and the fourth water inlet valve are both connected with the other end of the first flow channel; the third water inlet valve and the fourth water inlet valve are both connected with the salt tank.
In the chemical water treatment system of the thermal power plant, a plurality of first partition plates are arranged in the first softening chamber, and the first partition plates are arranged in a staggered manner; a plurality of second partition plates are arranged in the second softening chamber in a staggered mode; and ion softening resins are arranged on both sides of the first partition plate and both sides of the second partition plate.
In the chemical water treatment system of the thermal power plant, the first softening chamber is separated from the second softening chamber by the third partition plate, and the two sides of the third partition plate are both provided with ion softening resin.
In the chemical water treatment system of the thermal power plant, the first partition plate, the second partition plate and the third partition plate are respectively provided with a groove at two sides, and the direction of the groove is consistent with the direction of water flow.
In the chemical water treatment system of the thermal power plant, the pipeline device further comprises a water inlet main pipe, a water outlet main pipe and a sewage discharge main pipe; the first water inlet valve and the second water inlet valve are both connected with the water inlet main pipe, the first water outlet valve and the second water outlet valve are both connected with the water outlet main pipe, and the third water outlet valve and the fourth water outlet valve are both connected with the sewage drainage main pipe.
Compared with the prior art, the utility model discloses sustainable to boiler water supply, when arbitrary one softens the room and washs, another softens the room and can maintain the water supply to the boiler, makes the boiler can not take place to dry when certain softens the room and washs and burn to make every boiler only need be equipped with a water treatment system, make the manufacturing cost of enterprise lower. Furthermore, the utility model discloses optimize the distribution of ion softening resin in the softened chamber, made boiler water more abundant with the contact of ion softening resin, the softening effect is better. Therefore, the utility model has the advantages of can last to the boiler water supply, only need be equipped with one the utility model discloses to the boiler water supply, make enterprise production manufacturing cost lower.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a plan view of the first separator.
The labels in the figures are: 1-softening tank, 2-salt tank, 3-pipe device, 10-first flow channel, 11-second flow channel, 12-first baffle, 13-second baffle, 14-third baffle, 15-groove, 30-water inlet manifold, 31-first water inlet valve, 32-first water outlet valve, 33-second water inlet valve, 34-second water outlet valve, 35-third water inlet valve, 36-third water outlet valve, 37-fourth water inlet valve, 38-fourth water outlet valve, 39-water inlet manifold, 40-water outlet manifold, 41-sewage manifold, 42-first pipe, 43-second pipe, 44-third pipe, 45-fourth pipe, 46-fifth pipe, 47-sixth pipe, 48-seventh pipe, 49-eighth pipe.
Detailed Description
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
Examples are given. The chemical water treatment system of the thermal power plant comprises a softening tank 1, a salt tank 2 and a pipeline device 3, as shown in figure 1;
a first softening chamber and a second softening chamber are arranged in the softening box 1, a first flow channel 10 is arranged in the first softening chamber, a second flow channel 11 is arranged in the second softening chamber, and ion softening resin is arranged on the first flow channel 10 and the second flow channel 11;
the pipeline device 3 comprises a first water inlet valve 31, a first water outlet valve 32, a second water inlet valve 33, a second water outlet valve 34, a third water inlet valve 35, a third water outlet valve 36, a fourth water inlet valve 37 and a fourth water outlet valve 38 which are all positioned outside the softening tank 1; the first water inlet valve 31 and the third water outlet valve 36 are both connected with one end of the first flow channel 10, and the first water outlet valve 32 and the third water inlet valve 35 are both connected with the other end of the first flow channel 10; the second inlet valve 33 and the fourth outlet valve 38 are both connected with one end of the second flow channel 11, and the second outlet valve 34 and the fourth inlet valve 37 are both connected with the other end of the first flow channel 10; the third inlet valve 35 and the fourth inlet valve 37 are both connected to the salt tank 2.
A plurality of first partition plates 12 are arranged in the first softening chamber, and the first partition plates 12 are arranged in a staggered manner, so that a first flow channel 10 is formed; a plurality of second partition plates 13 are arranged in the second softening chamber, and the second partition plates 13 are arranged in a staggered manner, so that a second flow passage 11 is formed; ion softening resin is arranged on both sides of the first partition plate 12 and both sides of the second partition plate 13.
The first softening chamber is separated from the second softening chamber by a third partition plate 14, and ion softening resin is arranged on two sides of the third partition plate 14.
Grooves 15 are formed in the two sides of the first partition plate 12, the second partition plate 13 and the third partition plate 14, and the direction of each groove 15 is consistent with the direction of water flow. The direction of the grooves 15 is consistent with the direction of water flow, so that the generation of flow resistance can be reduced.
The pipeline device 3 further comprises a water inlet main pipe 39, a water outlet main pipe 40 and a sewage draining main pipe 41; the first inlet valve 31 and the second inlet valve 33 are both connected with an inlet manifold 39, the inlet manifold 39 is connected with a water source through a water pump, the first outlet valve 32 and the second outlet valve 34 are both connected with an outlet manifold 40, and the third outlet valve 36 and the fourth outlet valve 38 are both connected with a blowdown manifold.
The first inlet valve 31 is connected with the first flow channel 10 through a first pipeline 42, the first outlet valve 32 is connected with the first flow channel 10 through a second pipeline 43, the second inlet valve 33 is connected with the second flow channel 11 through a third pipeline 44, the second outlet valve 34 is connected with the second flow channel 11 through a fourth pipeline 45, the third inlet valve 35 is connected with the first flow channel 10 through a fifth pipeline 46, the third outlet valve 36 is connected with the first flow channel 10 through a sixth pipeline 47, the fourth inlet valve 37 is connected with the second flow channel 11 through a seventh pipeline 48, and the fourth outlet valve 38 is connected with the second flow channel 11 through an eighth pipeline 49.
The salt tank 2 is prior art.
The working principle is as follows: when water is supplied to the double softening chambers, the first water inlet valve 31, the first water outlet valve 32, the second water inlet valve 33 and the second water outlet valve 34 are in an open state, the third water inlet valve 35, the third water outlet valve 36, the fourth water inlet valve 37 and the fourth water outlet valve 38 are in a closed state, boiler water is discharged from the water outlet main pipe 40 to the boiler from the water inlet main pipe 39 through the first softening chamber and the second softening chamber in two ways, and the boiler water is contacted with the ion softening resin in the first softening chamber and the second softening chamber to remove calcium and magnesium ions in the boiler water. The first path is to pass through the first water inlet valve 31, the first pipeline 42, the first flow channel 10, the second pipeline 43 and the first water outlet valve 32 in sequence; the second path passes through the second inlet valve 33, the third pipeline 44, the second flow passage 11, the fourth pipeline 45 and the second outlet valve 34 in sequence.
When the second softening chamber supplies water and the ion-softened resin in the first softening chamber is washed, the first water inlet valve 31, the first water outlet valve 32, the fourth water inlet valve 37 and the fourth water outlet valve 38 are in a closed state, and the rest valves are in an open state. The softened salt solution in the salt tank 2 passes through the third inlet valve 35, the fifth pipeline 46, the first flow channel 10, the sixth pipeline 47 and the third outlet valve 36 in sequence, and is discharged from the blowdown header pipe 41. The boiler water passes through the second inlet valve 33, the third pipeline 44, the second flow passage 11, the fourth pipeline 45 and the second outlet valve 34 in sequence, and is discharged from the outlet header 40 to the boiler.
When the first softening chamber supplies water and the ion-softened resin in the second softening chamber is washed, the first water inlet valve 31, the first water outlet valve 32, the fourth water inlet valve 37 and the fourth water outlet valve 38 are in an open state, and the rest valves are in a closed state. The softened salt solution in the salt tank 2 passes through the fourth water inlet valve 37, the seventh pipeline 48, the second flow channel 11, the eighth pipeline 49 and the fourth water outlet valve 38 in sequence, and is discharged from the drainage manifold 41. The boiler water passes through the first inlet valve 31, the first pipe 42, the first flow passage 10, the second pipe 43 and the first outlet valve 32 in sequence, and is discharged from the outlet header 40 to the boiler.
It should be noted that when water is discharged from the double softening chambers, the speed of supplying water to the boiler is higher than the speed of consuming water by the boiler, and when only the first softening chamber or only the second softening chamber supplies water to the boiler, the speed of supplying water is lower than the speed of consuming water by the boiler, and by adjusting the opening degree of the first water inlet valve 31 and the first water outlet valve 32, the speed of supplying water can be finely adjusted, and the water in the boiler is dynamically balanced and is kept from being dried. The method is carried out according to cycle periods, wherein one cycle is a period: the water supply time of the double-chamber water supply 48h, the water supply time of the first softening chamber 2h, the water supply time of the double-chamber water supply 48h and the water supply time of the second softening chamber 2h, and the water quantity in the boiler should fluctuate within 35-60% of the boiler capacity in the cycle period.
The utility model has the advantages of can last to the boiler water supply, only need be equipped with one the utility model discloses to the boiler water supply, make enterprise production cost lower.
Claims (5)
1. Thermal power plant ization water processing system, its characterized in that: comprises a softening tank (1), a salt tank (2) and a pipeline device (3);
a first softening chamber and a second softening chamber are arranged in the softening box (1), a first flow channel (10) is arranged in the first softening chamber, a second flow channel (11) is arranged in the second softening chamber, and ion softening resin is respectively arranged on the first flow channel (10) and the second flow channel (11);
the pipeline device (3) comprises a first water inlet valve (31), a first water outlet valve (32), a second water inlet valve (33), a second water outlet valve (34), a third water inlet valve (35), a third water outlet valve (36), a fourth water inlet valve (37) and a fourth water outlet valve (38) which are all positioned at the outer side of the softening box (1); the first water inlet valve (31) and the third water outlet valve (36) are both connected with one end of the first flow channel (10), and the first water outlet valve (32) and the third water inlet valve (35) are both connected with the other end of the first flow channel (10); the second water inlet valve (33) and the fourth water outlet valve (38) are both connected with one end of the second flow channel (11), and the second water outlet valve (34) and the fourth water inlet valve (37) are both connected with the other end of the first flow channel (10); the third water inlet valve (35) and the fourth water inlet valve (37) are both connected with the salt tank (2).
2. The thermalization water processing system of claim 1, wherein: a plurality of first partition plates (12) are arranged in the first softening chamber, and the first partition plates (12) are arranged in a staggered manner; a plurality of second partition plates (13) are arranged in the second softening chamber, and the second partition plates (13) are arranged in a staggered mode; and ion softening resins are arranged on both sides of the first partition plate (12) and both sides of the second partition plate (13).
3. The thermalization water processing system of claim 2, wherein: the first softening chamber is separated from the second softening chamber by a third partition plate (14), and ion softening resin is arranged on two sides of the third partition plate (14).
4. The thermalization water processing system of claim 3, wherein: the two sides of the first partition plate (12), the second partition plate (13) and the third partition plate (14) are respectively provided with a groove (15), and the direction of the groove (15) is consistent with the water flow direction.
5. The thermalization water processing system of claim 1, wherein: the pipeline device (3) also comprises a water inlet main pipe (39), a water outlet main pipe (40) and a sewage discharge main pipe (41); the first water inlet valve (31) and the second water inlet valve (33) are connected with a water inlet main pipe (39), the first water outlet valve (32) and the second water outlet valve (34) are connected with a water outlet main pipe (40), and the third water outlet valve (36) and the fourth water outlet valve (38) are connected with a sewage drainage main pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922132209.4U CN211226473U (en) | 2019-12-03 | 2019-12-03 | Water treatment system for thermal power plant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922132209.4U CN211226473U (en) | 2019-12-03 | 2019-12-03 | Water treatment system for thermal power plant |
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| CN211226473U true CN211226473U (en) | 2020-08-11 |
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| CN201922132209.4U Active CN211226473U (en) | 2019-12-03 | 2019-12-03 | Water treatment system for thermal power plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113003737A (en) * | 2021-03-04 | 2021-06-22 | 中核华西地矿科技有限公司 | Geothermal fluid descaling and scale prevention integrated system |
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2019
- 2019-12-03 CN CN201922132209.4U patent/CN211226473U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113003737A (en) * | 2021-03-04 | 2021-06-22 | 中核华西地矿科技有限公司 | Geothermal fluid descaling and scale prevention integrated system |
| CN113003737B (en) * | 2021-03-04 | 2022-11-11 | 中核华西地矿科技有限公司 | Geothermal fluid descaling and scale prevention integrated system |
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