CN203501147U - Feed water treatment and regulation device for cement kiln low-temperature cogeneration system - Google Patents
Feed water treatment and regulation device for cement kiln low-temperature cogeneration system Download PDFInfo
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- CN203501147U CN203501147U CN201320529357.XU CN201320529357U CN203501147U CN 203501147 U CN203501147 U CN 203501147U CN 201320529357 U CN201320529357 U CN 201320529357U CN 203501147 U CN203501147 U CN 203501147U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 213
- 239000004568 cement Substances 0.000 title claims abstract description 29
- 239000002918 waste heat Substances 0.000 claims abstract description 98
- 239000007788 liquid Substances 0.000 claims abstract description 50
- 239000008234 soft water Substances 0.000 claims description 20
- 239000000126 substance Substances 0.000 description 4
- 230000001502 supplementing effect Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000002242 deionisation method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910001425 magnesium ion Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001839 systemic circulation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model relates to a feed water treatment and regulation device, in particular to a feed water treatment and regulation device for a cement kiln low-temperature cogeneration system. The feed water treatment and regulation device for the cement kiln low-temperature cogeneration system comprises a clean water tank (2), clean water pumps (3), a water softening device (4), a softened water tank (5), softened water pumps (6) and a controller (10). A clean water liquid level sensor (13), a softened water liquid level sensor (15), a kiln waste heat boiler liquid level sensor (19), a kiln tail waste heat boiler liquid level sensor (22) and a hot well liquid level sensor (25) are connected with the controller (10); the controller (10) is connected with the clean water pumps (3), the softened water pumps (6), an inlet valve (12), a kiln waste heat boiler water replenishing valve (18), a kiln tail waste heat boiler water replenishing valve (21) and a condenser water replenishing valve (24). According to the feed water treatment and regulation device provided by the utility model, all the pumps and all the valves are controlled to run by detecting a feedback signal through the sensors, and the cement kiln low-temperature cogeneration system is stable, safe and reliable to run.
Description
Technical field
The utility model relates to a kind of to water treatment and adjusting device, especially relates to a kind of cement kiln low-temperature cogeneration system to water treatment and adjusting device.
Background technology
Because existing steam that equipment itself and system cause and loss and the system of condensate water, cement kiln low-temperature cogeneration internal system externally has heating equipment, therefore exist the loss (loss of steam and water) of steam and condensate water, it directly affects the safety and economic operation of cement kiln low-temperature cogeneration system.For supplementing the loss of working medium, must add supplementing water.For guaranteeing the quality of steam, supplementing water must be processed through strict, can carry out chemical treatment and heat treatment, conventionally adopts chemical treatment.Chemical treatment is that calcium ion, magnesium ion, sodium salt that unboiled water is removed in anhydrating through chemical deionization equipment become soft water.If enter the poor water quality of cement kiln low-temperature cogeneration system,, after operation after a while, on the heating surface contacting with water, can generate this phenomenon of some solid adhesions and be called fouling, these solid adhesions are called incrustation scale.Because the thermal conductivity of incrustation scale is than the poor hundred times of metal, and these incrustation scales very easily generate in the very high generator tube of thermic load, so fouling is very large to the harmfulness of boiler (or heat exchanger); It can make the metal pipe-wall excess Temperature at fouling position, causes that metal strength declines, and under the effect of overpressure, pipeline local deformation will occur, produce bulge like this, even causes the major accidents such as booster.The fouling operation that not only endangers safety, but also can greatly reduce the economy of generating.In addition, the poor water quality of recirculated water, in turbine condenser, fouling meeting causes condenser vacuum to reduce, thereby makes the thermal efficiency of steam turbine and the decline of exerting oneself; The fouling meeting of superheater makes vapor (steam) temperature not reach design load, and the economy of whole therrmodynamic system is reduced.Must carry out in time cleaning after heat power equipment fouling, this will outaged equipment, has reduced the annual utilization hours of equipment; In addition, also to increase maintenance workload and expense etc.
And by changing feedwater flow, realize water level and regulate when kiln hood waste heat boiler drum in cement kiln low-temperature cogeneration system, kiln tail waste heat boiler drum and condenser hot well supplementing water now.In cement kiln low-temperature cogeneration system running, because load, hot blast rate frequently change, water level regulates general employing manually to regulate.Waste of manpower and can not carrying out in real time, has certain hidden danger to the safety in production of cement kiln low-temperature cogeneration system.
Summary of the invention
In order to solve the problems of the technologies described above, the utility model provides a kind of cement kiln low-temperature cogeneration system to water treatment and adjusting device, object is to make the moisturizing water quality of cement kiln low-temperature cogeneration system reach system requirements, can, according to the cement kiln low-temperature cogeneration system of the water level automatic water supplement of kiln hood waste heat boiler drum, kiln tail waste heat boiler drum and condenser hot well in cement kiln low-temperature cogeneration system to water treatment and adjusting device, guarantee that cement kiln low-temperature cogeneration system run all right is safe and reliable again.
For achieving the above object, the technical solution that the utility model adopts is:
Cement kiln low-temperature cogeneration system, to water treatment and adjusting device, comprises mechanical filter, filtered water tank, clarified water pump, water softening device, softened water tank, softened water pump, kiln hood waste heat boiler drum, kiln tail waste heat boiler drum, condenser hot well, controller; On the water inlet pipe of mechanical filter, have water intaking valve, the delivery port of mechanical filter is connected with the water inlet of filtered water tank by pipeline, is provided with clear water liquid level sensor in filtered water tank; The delivery port of filtered water tank is connected by the water inlet of upper hose and water softening device, and upper hose is provided with clarified water pump, and clarified water pump redundant configuration; The delivery port of water softening device is connected with the water inlet of softened water tank by pipeline, is provided with soft water liquid level sensor in softened water tank; The delivery port of softened water tank is connected with soft water outlet pipe, and soft water outlet pipe is provided with softened water pump, and softened water pump redundant configuration; Soft water outlet pipe is connected with kiln hood waste heat boiler filling pipe, kiln tail waste heat boiler filling pipe and condenser filling pipe; Kiln hood waste heat boiler filling pipe is connected with kiln hood waste heat boiler drum, and kiln hood waste heat boiler filling pipe is provided with kiln hood waste heat boiler water compensating valve, is provided with kiln hood waste heat boiler liquid level sensor in kiln hood waste heat boiler drum; Kiln tail waste heat boiler filling pipe is connected with kiln tail waste heat boiler drum, and kiln tail waste heat boiler filling pipe is provided with kiln tail waste heat boiler water compensating valve, is provided with kiln tail waste heat boiler liquid level sensor in kiln tail waste heat boiler drum; Condenser filling pipe is connected with condenser hot well, and condenser filling pipe is provided with condenser water compensating valve, is provided with hot well liquid level sensor in condenser hot well; Clear water liquid level sensor, soft water liquid level sensor, kiln hood waste heat boiler liquid level sensor, kiln tail waste heat boiler liquid level sensor, hot well liquid level sensor are connected with controller by holding wire, and controller is connected with clarified water pump, softened water pump, water intaking valve, kiln hood waste heat boiler water compensating valve, kiln tail waste heat boiler water compensating valve, condenser water compensating valve by control line.
Described controller is DCS main frame.
Described water intaking valve, kiln hood waste heat boiler water compensating valve, kiln tail waste heat boiler water compensating valve and condenser water compensating valve are motor-driven valve.
Described holding wire and control line are shielding line.
During work, the water of sending here from plant area's life, fire_fighting pipe network is through mechanical filter, after filtration, enter filtered water tank, by clarified water pump, water is delivered to water softening device, after water outlet is up to standard, enter softened water tank, then by softened water pump, demineralized water is delivered to kiln hood waste heat boiler drum, kiln tail waste heat boiler drum and condenser hot well and use.The water level signal of the filtered water tank that controller transmits according to clear water liquid level sensor is controlled the opening-closing size of water intaking valve; The water level signal of the softened water tank that controller transmits according to soft water liquid level sensor is controlled the start and stop of clarified water pump; The opening-closing size of the start and stop of the water level signal control softened water pump of the kiln hood waste heat boiler drum that controller transmits according to kiln hood waste heat boiler liquid level sensor, kiln tail waste heat boiler liquid level sensor and hot well liquid level sensor, kiln tail waste heat boiler drum and condenser hot well and kiln hood waste heat boiler water compensating valve, kiln tail waste heat boiler water compensating valve, condenser water compensating valve; Make the feedwater quality of cement kiln low-temperature cogeneration system reach production requirement and meet in system feedwater requirement everywhere, guaranteeing the normal operation of cement kiln low-temperature cogeneration system.
the beneficial effects of the utility model:
The utility model detects by accurate sensor the operation that feedback signal is controlled each water pump and valve, guarantee cement kiln low-temperature cogeneration system run all right, safe and reliable, the scale problems that can effectively stop systemic circulation water often to occur, substitute manual operation, having made up manual operation cannot be in time, accurate and continuity etc. is to system adverse influence.Control line adopts shielding line, has higher transfer rate and good anti-electromagnetic interference capability.Clarified water pump and softened water pump be redundant configuration respectively, and wherein one while breaking down, another can also carry out work, can not affect the normal work of system.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
1-mechanical filter, 2-filtered water tank, 3-clarified water pump, 4-water softening device, 5-softened water tank, 6-softened water pump, 7-kiln hood waste heat boiler drum, 8-kiln tail waste heat boiler drum, 9-condenser hot well, 10-controller, 11-water inlet pipe, 12-water intaking valve, 13-clear water liquid level sensor, 14-upper hose, 15-soft water liquid level sensor, 16-soft water outlet pipe, 17-kiln hood waste heat boiler filling pipe, 18-kiln hood waste heat boiler water compensating valve, 19-kiln hood waste heat boiler liquid level sensor, 20-kiln tail waste heat boiler filling pipe, 21-kiln tail waste heat boiler water compensating valve, 22-kiln tail waste heat boiler liquid level sensor, 23-condenser filling pipe, 24-condenser water compensating valve, 25-hot well liquid level sensor, 26-holding wire, 27-control line.
The specific embodiment
embodiment 1
As shown in Figure 1, cement kiln low-temperature cogeneration system, to water treatment and adjusting device, comprises mechanical filter 1, filtered water tank 2, clarified water pump 3, water softening device 4, softened water tank 5, softened water pump 6, kiln hood waste heat boiler drum 7, kiln tail waste heat boiler drum 8, condenser hot well 9, controller 10; On the water inlet pipe 11 of mechanical filter 1, have water intaking valve 12, the delivery port of mechanical filter 1 is connected with the water inlet of filtered water tank 2 by pipeline, is provided with clear water liquid level sensor 13 in filtered water tank 2; The delivery port of filtered water tank 2 is connected with the water inlet of water softening device 4 by upper hose 14, and upper hose 14 is provided with clarified water pump 3, and clarified water pump 3 redundant configuration; The delivery port of water softening device 4 is connected with the water inlet of softened water tank 5 by pipeline, is provided with soft water liquid level sensor 15 in softened water tank 5; The delivery port of softened water tank 5 is connected with soft water outlet pipe 16, and soft water outlet pipe 16 is provided with softened water pump 6, and softened water pump 6 redundant configuration; Soft water outlet pipe 16 is connected with kiln hood waste heat boiler filling pipe 17, kiln tail waste heat boiler filling pipe 20 and condenser filling pipe 23; Kiln hood waste heat boiler filling pipe 17 is connected with kiln hood waste heat boiler drum 7, and kiln hood waste heat boiler filling pipe 17 is provided with kiln hood waste heat boiler water compensating valve 18, is provided with kiln hood waste heat boiler liquid level sensor 19 in kiln hood waste heat boiler drum 7; Kiln tail waste heat boiler filling pipe 20 is connected with kiln tail waste heat boiler drum 8, and kiln tail waste heat boiler filling pipe 20 is provided with kiln tail waste heat boiler water compensating valve 21, is provided with kiln tail waste heat boiler liquid level sensor 22 in kiln tail waste heat boiler drum 8; Condenser filling pipe 23 is connected with condenser hot well 9, and condenser filling pipe 23 is provided with condenser water compensating valve 24, is provided with hot well liquid level sensor 25 in condenser hot well 9; Clear water liquid level sensor 13, soft water liquid level sensor 15, kiln hood waste heat boiler liquid level sensor 19, kiln tail waste heat boiler liquid level sensor 22, hot well liquid level sensor 25 are connected with controller 10 by holding wire 26, and controller 10 is connected with clarified water pump 3, softened water pump 6, water intaking valve 12, kiln hood waste heat boiler water compensating valve 18, kiln tail waste heat boiler water compensating valve 21, condenser water compensating valve 24 by control line 27.
Described controller 10 is DCS main frame.
Described water intaking valve 12, kiln hood waste heat boiler water compensating valve 18, kiln tail waste heat boiler water compensating valve 21 and condenser water compensating valve 24 are motor-driven valve.
Described holding wire 26 and control line 27 are shielding line.
During work, the water of sending here from plant area's life, fire_fighting pipe network is through mechanical filter 1, after filtration, enter filtered water tank 2, by clarified water pump 3, water is delivered to water softening device 4, after water outlet is up to standard, enter softened water tank 5, then by softened water pump 6, demineralized water is delivered to kiln hood waste heat boiler drum 7, kiln tail waste heat boiler drum 8 and condenser hot well 9 and use.The water level signal of the filtered water tank 2 that controller 10 transmits according to clear water liquid level sensor 13 is controlled the opening-closing size of water intaking valve 12; The water level signal of the softened water tank 5 that controller 10 transmits according to soft water liquid level sensor 15 is controlled the start and stop of clarified water pump 3; The opening-closing size of the start and stop of the water level signal control softened water pump 6 of the kiln hood waste heat boiler drum 7 that controller 10 transmits according to kiln hood waste heat boiler liquid level sensor 19, kiln tail waste heat boiler liquid level sensor 22 and hot well liquid level sensor 25, kiln tail waste heat boiler drum 8 and condenser hot well 9 and kiln hood waste heat boiler water compensating valve 18, kiln tail waste heat boiler water compensating valve 21, condenser water compensating valve 24; Make the feedwater quality of cement kiln low-temperature cogeneration system reach production requirement and meet in system feedwater requirement everywhere, guaranteeing the normal operation of cement kiln low-temperature cogeneration system.
Claims (5)
1. cement kiln low-temperature cogeneration system is to water treatment and adjusting device, it is characterized in that, comprise mechanical filter (1), filtered water tank (2), clarified water pump (3), water softening device (4), softened water tank (5), softened water pump (6), kiln hood waste heat boiler drum (7), kiln tail waste heat boiler drum (8), condenser hot well (9), controller (10); On the water inlet pipe (11) of mechanical filter (1), have water intaking valve (12), the delivery port of mechanical filter (1) is connected with the water inlet of filtered water tank (2) by pipeline, is provided with clear water liquid level sensor (13) in filtered water tank (2); The delivery port of filtered water tank (2) is connected with the water inlet of water softening device (4) by upper hose (14), and upper hose (14) is provided with clarified water pump (3), and clarified water pump (3) redundant configuration; The delivery port of water softening device (4) is connected with the water inlet of softened water tank (5) by pipeline, is provided with soft water liquid level sensor (15) in softened water tank (5); The delivery port of softened water tank (5) is connected with soft water outlet pipe (16), and soft water outlet pipe (16) is provided with softened water pump (6), and softened water pump (6) redundant configuration; Soft water outlet pipe (16) is connected with kiln hood waste heat boiler filling pipe (17), kiln tail waste heat boiler filling pipe (20) and condenser filling pipe (23); Kiln hood waste heat boiler filling pipe (17) is connected with kiln hood waste heat boiler drum (7), kiln hood waste heat boiler filling pipe (17) is provided with kiln hood waste heat boiler water compensating valve (18), is provided with kiln hood waste heat boiler liquid level sensor (19) in kiln hood waste heat boiler drum (7); Kiln tail waste heat boiler filling pipe (20) is connected with kiln tail waste heat boiler drum (8), kiln tail waste heat boiler filling pipe (20) is provided with kiln tail waste heat boiler water compensating valve (21), is provided with kiln tail waste heat boiler liquid level sensor (22) in kiln tail waste heat boiler drum (8); Condenser filling pipe (23) is connected with condenser hot well (9), and condenser filling pipe (23) is provided with condenser water compensating valve (24), is provided with hot well liquid level sensor (25) in condenser hot well (9); Clear water liquid level sensor (13), soft water liquid level sensor (15), kiln hood waste heat boiler liquid level sensor (19), kiln tail waste heat boiler liquid level sensor (22), hot well liquid level sensor (25) are connected with controller (10) by holding wire (26), and controller (10) is connected with clarified water pump (3), softened water pump (6), water intaking valve (12), kiln hood waste heat boiler water compensating valve (18), kiln tail waste heat boiler water compensating valve (21), condenser water compensating valve (24) by control line (27).
2. cement kiln low-temperature cogeneration system, to water treatment and adjusting device, is characterized in that according to claim 1, and described controller (10) is DCS main frame.
According to cement kiln low-temperature cogeneration system described in claim 1 or 2 to water treatment and adjusting device, it is characterized in that, described water intaking valve (12), kiln hood waste heat boiler water compensating valve (18), kiln tail waste heat boiler water compensating valve (21) and condenser water compensating valve (24) are motor-driven valve.
4. according to cement kiln low-temperature cogeneration system described in claim 1 or 2, to water treatment and adjusting device, it is characterized in that, described holding wire (26) and control line (27) are shielding line.
5. cement kiln low-temperature cogeneration system, to water treatment and adjusting device, is characterized in that according to claim 3, and described holding wire (26) and control line (27) are shielding line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320529357.XU CN203501147U (en) | 2013-08-29 | 2013-08-29 | Feed water treatment and regulation device for cement kiln low-temperature cogeneration system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320529357.XU CN203501147U (en) | 2013-08-29 | 2013-08-29 | Feed water treatment and regulation device for cement kiln low-temperature cogeneration system |
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| CN203501147U true CN203501147U (en) | 2014-03-26 |
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| CN201320529357.XU Expired - Fee Related CN203501147U (en) | 2013-08-29 | 2013-08-29 | Feed water treatment and regulation device for cement kiln low-temperature cogeneration system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485659A (en) * | 2015-11-26 | 2016-04-13 | 湖南华信稀贵科技有限公司 | Water supply pipe network of waste heat boilers |
| CN105737135A (en) * | 2016-03-28 | 2016-07-06 | 湖北民族学院 | Small boiler water replenishing system |
| CN113882922A (en) * | 2021-09-16 | 2022-01-04 | 华润水泥(陆川)有限公司 | Automatic power generation control system of boiler waste heat |
| CN114436449A (en) * | 2022-02-22 | 2022-05-06 | 江苏舜维环境工程有限公司 | Waste heat power generation circulating water treatment device |
-
2013
- 2013-08-29 CN CN201320529357.XU patent/CN203501147U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485659A (en) * | 2015-11-26 | 2016-04-13 | 湖南华信稀贵科技有限公司 | Water supply pipe network of waste heat boilers |
| CN105737135A (en) * | 2016-03-28 | 2016-07-06 | 湖北民族学院 | Small boiler water replenishing system |
| CN113882922A (en) * | 2021-09-16 | 2022-01-04 | 华润水泥(陆川)有限公司 | Automatic power generation control system of boiler waste heat |
| CN113882922B (en) * | 2021-09-16 | 2024-05-24 | 华润水泥(陆川)有限公司 | Automatic power generation control system for waste heat of boiler |
| CN114436449A (en) * | 2022-02-22 | 2022-05-06 | 江苏舜维环境工程有限公司 | Waste heat power generation circulating water treatment device |
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| CP01 | Change in the name or title of a patent holder |
Address after: Yuxi City, Yunnan Province, 651107 street town of Yimen County Patentee after: Yunnan Zhong Rui (Group) building materials Co.,Ltd. Address before: Yuxi City, Yunnan Province, 651107 street town of Yimen County Patentee before: YUNNAN YIMEN ZHONGRUI (GROUP) BUILDING MATERIAL CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140326 |
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| CF01 | Termination of patent right due to non-payment of annual fee |