CN104406156A - Steam boiler unpowered water charging system and control method thereof - Google Patents
Steam boiler unpowered water charging system and control method thereof Download PDFInfo
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- CN104406156A CN104406156A CN201410659694.XA CN201410659694A CN104406156A CN 104406156 A CN104406156 A CN 104406156A CN 201410659694 A CN201410659694 A CN 201410659694A CN 104406156 A CN104406156 A CN 104406156A
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Abstract
The invention discloses a steam boiler unpowered water charging system. The steam boiler unpowered water charging system comprises a boiler high pressure cabin, and is characterized in that the boiler high pressure cabin is connected to a pressure relief cabin through a pipeline with a valve A and a valve C; the pressure relief cabin is connected to a water storage cabin through a pipeline with a valve B and a valve D; a boiler upper water level limit switch and a boiler lower water level limit switch are arranged inside the boiler high pressure cabin; the boiler high pressure cabin is further connected to a standby pressure relief cabin through a pipeline with a valve A' and a valve C'; the standby pressure relief cabin is connected to the water storage cabin through a pipeline through a valve B' and a valve D'. The steam boiler unpowered water charging system is simple in manufacturing, low in cost, convenient to mount, small in occupied space and stable in performance, service production can be realized better, a low energy consumption standard is met, energy sources are saved, the power of a low power motor in a control system is low, and the working time is short.
Description
Technical field
The present invention relates to steam boiler field, specifically, relate to the unpowered water charging system of a kind of steam boiler and control method.
Background technology
In the industrial production, Large Copacity high pressure steam boiler adopts motor-centrifugal water pump moisturizing, because in Boiler Furnace storehouse, pressure is large, water charging system long operational time, power consumption is very large, for 4T, 1.5MP steam boiler, and the supporting power 22.5KW of water charging system, working time is about steaming hour 1/3rd, its system electrisity consumption: W=pt=22.5 × 10
3× 365 × 24 × 1/3 ≈ 6.6 ten thousand degree.Existing high-pressure boiler water charging system expends waste mass energy, and efficiency is not high.This is the deficiencies in the prior art part.
Summary of the invention
The technical problem to be solved in the present invention is to provide the unpowered water charging system of a kind of steam boiler and control method, and realize the unpowered automatic water supplement of high pressure steam boiler, automaticity is high.
The present invention adopts following technical scheme to realize goal of the invention:
The unpowered water charging system of a kind of steam boiler, comprise Boiler High Pressure storehouse, it is characterized in that: described Boiler High Pressure storehouse is by being connected slow pressure storehouse with valve A with the pipeline of valve C, described slow pressure storehouse is by being connected water storing bin with valve B with the pipeline of valve D, water level limit switch under boiler water filling position limit switch and boiler is provided with in described Boiler High Pressure storehouse, described Boiler High Pressure storehouse is also by being connected slow pressure storehouse for subsequent use with valve A ' with the pipeline of valve C ', and described slow pressure storehouse for subsequent use is by being connected water storing bin with valve B ' with the pipeline of valve D '.
As the further restriction to the technical program, described slow pressure storehouse is identical with slow pressure chamber structure for subsequent use, water level limit switch, lower water level limit switch and division board is all provided with in described slow pressure storehouse and slow pressure storehouse for subsequent use, described division board is provided with back-water valve (BWV), described division board connects driving cylinder, and the inside top in described slow pressure storehouse and slow pressure storehouse for subsequent use is provided with division board limit switch.
As the further restriction to the technical program, the periphery of described division board is provided with sealing ring.
As the further restriction to the technical program, the least significant end height of described water storing bin is greater than or equal to the tip height in described slow pressure storehouse and slow pressure storehouse for subsequent use.
As the further restriction to the technical program, the height in described slow pressure storehouse and slow pressure storehouse for subsequent use is greater than or equal to the height of described boiler water filling position limit switch.
The invention also discloses the unpowered water compensating control method of a kind of steam boiler, it is characterized in that: comprise the steps:
(1) opening: slow pressure storehouse starts, and opens valve B and valve D, the division board in slow pressure storehouse rises fast under the drive of the driving cylinder in slow pressure storehouse simultaneously, gives the storehouse retaining of slow pressure, until the water level upper limit position switch in slow pressure storehouse sends the full signal i of water
1h, slow pressure storehouse stops retaining, valve-off B and valve D; Open valve B ' and valve D ', meanwhile, the division board in slow pressure storehouse for subsequent use rises fast under the drive driving cylinder, to slow pressure storehouse retaining for subsequent use, until the water level upper limit position switch in slow pressure storehouse for subsequent use sends the full signal of water, slow pressure storehouse for subsequent use stops retaining, valve-off B ' and valve D ';
(2) Boiler High Pressure storehouse boiler water level lower position switch sends early warning signal;
(3) if slow pressure storehouse is in the full state of water, then slow pressure storehouse is to the moisturizing of Boiler High Pressure storehouse;
(4) if the water level lower position switch in slow pressure storehouse sends early warning signal and slow pressure storehouse for subsequent use is in the full state of water, slow pressure storehouse for subsequent use is to the moisturizing of Boiler High Pressure storehouse, and slow pressure storehouse starts self-water replenishing;
(5) if the water level lower position switch two in slow pressure storehouse for subsequent use sends early warning signal, slow pressure storehouse for subsequent use starts self-water replenishing;
(6) repeat step (3)-(5), until Boiler High Pressure storehouse boiler water level upper limit position switch sends early warning signal, moisturizing terminates.
As the further restriction to the technical program, in described step (3), slow pressure storehouse comprises following process to the moisturizing of blast furnace high-pressure chamber:
Valve A and valve C opens, valve B and valve D closes, slow pressure storehouse manufactures high-pressure balancing, demineralized water in slow pressure storehouse is used water-head and is utilized deadweight to flow in Boiler High Pressure storehouse through valve A, simultaneously, high steam flows into slow pressure storehouse by valve C, and pressurized gives the division board in slow pressure storehouse, division board moves downward under driving cylinder action, drives cylinder time pressing aid, accelerates moisturizing speed, back-water valve (BWV) has single-phase mobility, under the effect of division board, by aqueous water and high steam isolation, vapour-liquid can not be there is and inhale molten phenomenon.
As the further restriction to the technical program, for subsequent use slow pressure storehouse of described step (4) is as follows to the process of Boiler High Pressure storehouse moisturizing:
Valve A ' and valve C ' opens, valve B ' and valve D ' closes, slow pressure storehouse for subsequent use manufactures high-pressure balancing, demineralized water in slow pressure storehouse for subsequent use is used water-head and is utilized deadweight to flow in Boiler High Pressure storehouse through valve A ', simultaneously, high steam flows into slow pressure storehouse for subsequent use by valve C ', and pressurized gives the division board in slow pressure storehouse for subsequent use, division board moves downward under driving cylinder action, secondary pressing aid, accelerate moisturizing speed, back-water valve (BWV) has single-phase mobility, under the effect of slow pressure storehouse for subsequent use division board, by aqueous water and high steam isolation, vapour-liquid can not be there is and inhale molten phenomenon.
As the further restriction to the technical program, the slow pressure storehouse self-water replenishing process of described step (4) is as follows:
Valve B and valve D opens, valve A and valve C closes, slow pressure storehouse manufactures normal-pressure balance, use water-head, water is utilized to conduct oneself with dignity, demineralized water flows to slow pressure storehouse from water storing bin through valve B and valve D, simultaneously, the division board in slow pressure storehouse rises fast under the drive driving cylinder, when rising to slow pressure top, storehouse, division board limit switch sends triggering signal, back-water valve (BWV) is opened, moisturizing proceeds, until the water level upper limit position switch in slow pressure storehouse sends the full signal of water, stop moisturizing, simultaneously, gas is discharged through valve D, liquefaction water flows on the downside of division board through back-water valve (BWV).
As the further restriction to the technical program, for subsequent use slow pressure storehouse self-water replenishing process of described step (5) is as follows:
Slow pressure storehouse moisturizing for subsequent use: valve B ' and valve D ' opens, valve A ' and valve C ' closes, slow pressure storehouse for subsequent use manufactures normal-pressure balance, use water-head, water is utilized to conduct oneself with dignity, demineralized water flows to slow pressure storehouse for subsequent use from water storing bin through valve B ' and valve D ', simultaneously, the division board in slow pressure storehouse for subsequent use rises fast under the drive driving cylinder, when rising to slow top, pressure storehouse for subsequent use, division board limit switch sends triggering signal, back-water valve (BWV) is opened, moisturizing proceeds, until the water level upper limit position switch in slow pressure storehouse for subsequent use sends the full signal of water, stop moisturizing, simultaneously, gas is discharged through valve D ', liquefaction water flows on the downside of division board through back-water valve (BWV).
Compared with prior art, advantage of the present invention and good effect are: slow pressure storehouse of the present invention utilizes the deadweight of water for the moisturizing of Boiler High Pressure storehouse, when supplementing complete but high-pressure chamber in slow pressure storehouse and also not reaching the full state of water, slow pressure storehouse for subsequent use is the moisturizing of Boiler High Pressure storehouse, slow pressure storehouse and slow pressure storehouse for subsequent use alternately complete the moisturizing work in Boiler High Pressure storehouse, motor need not be adopted to provide power, make simple, cost is low, easy for installation, take up room little, stable performance, can better Serve the production, meet low energy consumption standard, energy conservation, control system middle low power motor power (output) is little, working time is short.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the side view in slow pressure storehouse of the present invention and slow pressure storehouse for subsequent use.
Fig. 3 is the top view of Boiler High Pressure storehouse of the present invention, slow pressure storehouse, slow pressure storehouse for subsequent use and water storing bin.
Fig. 4 is the side view of Boiler High Pressure storehouse of the present invention, slow pressure storehouse, slow pressure storehouse for subsequent use and water storing bin.
Fig. 5 is the structural representation in slow pressure storehouse of the present invention.
Fig. 6 is the structural representation of division board of the present invention.
Fig. 7 is the A-A sectional view of Fig. 5 of the present invention.
In figure, 1, Boiler High Pressure storehouse, 2, valve A, 3, valve C, 4, slow pressure storehouse, 5, valve B, 6, valve D, 7, water storing bin, 8, boiler water level upper limit position switch, 9, boiler water level lower position switch, 10, water level upper limit position switch, 11, water level lower position switch, 12, division board, 13, back-water valve (BWV), 14, slow pressure storehouse for subsequent use, 15, valve A ', 16, valve C ', 17, valve B ', 18, valve D ', 19, drive cylinder, 20, division board limit switch, 21, sealing ring.
Detailed description of the invention
Below in conjunction with accompanying drawing and preferred embodiment, the present invention is further described in detail.
See Fig. 1-Fig. 7, the present invention includes Boiler High Pressure storehouse 1, described Boiler High Pressure storehouse 1 is by being connected slow pressure storehouse 4 with valve A2 with the pipeline of valve C3, described slow pressure storehouse 4 is by being connected water storing bin 7 with valve B5 with the pipeline of valve D6, water level limit switch 9 under boiler water filling position limit switch 8 and boiler is provided with in described Boiler High Pressure storehouse 1, described Boiler High Pressure storehouse 1 is also by being connected slow pressure storehouse 14 for subsequent use with valve A ' 15 with the pipeline of valve C ' 16, described slow pressure storehouse 14 for subsequent use is passed through with valve B ' 17 and valve D, and the pipeline of 18 connects water storing bin 7.
Described slow pressure storehouse 4 is identical with slow pressure storehouse 14 for subsequent use structure, water level limit switch 10, lower water level limit switch 11 and division board 12 is all provided with in described slow pressure storehouse 4 and slow pressure storehouse 14 for subsequent use, described division board 12 is provided with back-water valve (BWV) 13, described division board 12 connects driving cylinder 19, and the inside top in described slow pressure storehouse 4 and slow pressure storehouse 14 for subsequent use is provided with division board limit switch 20.
The periphery of described division board 12 is provided with sealing ring 21.Sealing ring 21 plays sealing function, and control is slow presses the water in storehouse 4 and slow pressure storehouse 14 for subsequent use to overflow on the upside of division board 12.
The least significant end height of described water storing bin 7 is greater than or equal to the tip height in described slow pressure storehouse 4 and slow pressure storehouse 14 for subsequent use.
The height in described slow pressure storehouse 4 and slow pressure storehouse 14 for subsequent use is greater than or equal to the height of described boiler water filling position limit switch 8.
Valve A of the present invention, valve C, valve B, valve D, valve A ', valve C ', valve B ', valve D ' and back-water valve (BWV) 13 are all adopt prior art, under boiler water filling position limit switch and boiler, water level limit switch is also adopt prior art, under boiler water filling position limit switch 8 and boiler, water level limit switch 9 sends triggering signal according to the water level height in boiler, upper water level limit switch 10 and lower water level limit switch 11 send triggering signal according to the water level height in slow pressure storehouse 4 and slow pressure storehouse 14 for subsequent use, division board limit switch 20 sends triggering signal by the shake-up of division board.This is prior art, does not repeat them here.
The invention also discloses the unpowered water compensating control method of a kind of steam boiler, comprise the steps:
(1) opening: slow pressure storehouse 4 starts, open valve B5 and valve D6, the division board 12 in slow pressure storehouse 4 rises fast under the drive of the driving cylinder 19 in slow pressure storehouse simultaneously, gives storehouse 4 retaining of slow pressure, until the water level upper limit position switch 10 in slow pressure storehouse 4 sends the full signal i of water
1h, slow pressure storehouse stops retaining, valve-off B5 and valve D6; Open valve B ' and valve D ', meanwhile, the division board in slow pressure storehouse 14 for subsequent use rises fast under the drive driving cylinder, to slow pressure storehouse 14 retaining for subsequent use, until the water level upper limit position switch in slow pressure storehouse 14 for subsequent use sends the full signal I ' of water
1h, slow pressure storehouse for subsequent use stops retaining, valve-off B ' and valve D ';
(2) boiler water level lower position switch 9 sends early warning signal;
(3) if slow pressure storehouse 4 is in the full state of water, then the moisturizing of Boiler High Pressure storehouse is given in slow pressure storehouse 4;
(4) if the water level lower position switch in slow pressure storehouse 4 sends early warning signal and slow pressure storehouse 14 for subsequent use is in the full state of water, Boiler High Pressure storehouse 1 moisturizing is given in slow pressure storehouse 14 for subsequent use, and slow pressure storehouse 4 starts self-water replenishing;
(5) if the water level lower position switch in slow pressure storehouse 14 for subsequent use sends early warning signal, slow pressure storehouse 14 for subsequent use starts self-water replenishing;
(6) repeat step (3)-(5), until boiler water level upper limit position switch 8 sends early warning signal, moisturizing terminates.
In described step (3), slow pressure storehouse 4 comprises following process to blast furnace high-pressure chamber 1 moisturizing:
Valve A2 and valve C3 opens, valve B5 and valve D6 closes, slow pressure storehouse 4 manufactures high-pressure balancing, demineralized water in slow pressure storehouse 4 is used water-head and is utilized deadweight to flow in Boiler High Pressure storehouse 1 through valve A2, simultaneously, high steam flows into slow pressure storehouse 4 by valve C3, and pressurized gives the division board 12 in slow pressure storehouse, division board 12 is at driving cylinder 19 moved downward, drive cylinder 19 2 pressing aids, accelerate moisturizing speed, back-water valve (BWV) 13 has single-phase mobility, under the effect of division board 12, by aqueous water and high steam isolation, vapour-liquid can not be there is and inhale molten phenomenon, until the water level lower position switch in slow pressure storehouse 4 sends early warning signal, division board 12 stops moving downward.
The for subsequent use slow pressure storehouse 14 of described step (4) gives the process of Boiler High Pressure storehouse 1 moisturizing as follows:
Valve A ' 15 and valve C ' 16 opens, valve B ' 17 and valve D ' 18 closes, slow pressure storehouse 14 for subsequent use manufactures high-pressure balancing, in slow pressure storehouse for subsequent use, the demineralized water of 14 uses water-head utilization deadweight in valve A ' 15 inflow Boiler High Pressure storehouse 1, simultaneously, high steam flows into slow pressure storehouse 14 for subsequent use by valve C ' 16, and pressurized gives the division board 12 in slow pressure storehouse for subsequent use, division board 12 is at driving cylinder 19 moved downward, secondary pressing aid, accelerate moisturizing speed, back-water valve (BWV) 13 has single-phase mobility, under the effect of slow pressure storehouse for subsequent use division board 12, by aqueous water and high steam isolation, vapour-liquid can not be there is and inhale molten phenomenon, until the water level lower position switch in slow pressure storehouse 14 for subsequent use sends early warning signal, division board 12 stops moving downward.
The slow pressure storehouse 4 self-water replenishing process of described step (4) is as follows:
Valve B5 and valve D6 opens, valve A2 and valve C3 closes, slow pressure storehouse 4 manufactures normal-pressure balance, use water-head, water is utilized to conduct oneself with dignity, demineralized water flows to slow pressure storehouse 4 from water storing bin 7 through valve B5 and valve D6, simultaneously, the division board 12 in slow pressure storehouse 4 rises fast under the drive driving cylinder 19, when rising to slow pressure 4 top, storehouse, division board 12 triggers division board limit switch 20 and sends triggering signal, back-water valve (BWV) 13 is opened, division board 12 stops moving upward, moisturizing proceeds, until the water level upper limit position switch in slow pressure storehouse 4 sends the full signal of water, stop moisturizing, simultaneously, gas is discharged through valve D6, liquefaction water flows on the downside of division board 12 through back-water valve (BWV).
The for subsequent use slow pressure storehouse self-water replenishing process of described step (5) is as follows:
Slow pressure storehouse moisturizing for subsequent use: valve B ' 17 and valve D ' 18 opens, valve A ' 15 and valve C ' 16 closes, slow pressure storehouse 14 for subsequent use manufactures normal-pressure balance, use water-head, water is utilized to conduct oneself with dignity, demineralized water flows to slow pressure storehouse 14 for subsequent use from water storing bin 7 through valve B ' 17 and valve D ' 18, simultaneously, the division board 12 in slow pressure storehouse 14 for subsequent use rises fast under the drive driving cylinder, when rising to 14 top, slow pressure storehouse for subsequent use, division board 12 triggers division board limit switch 20 and sends triggering signal, division board 12 stops moving upward, back-water valve (BWV) 13 is opened, moisturizing proceeds, until water level upper limit position switch sends the full signal of water, stop moisturizing, simultaneously, gas is discharged through valve D ', liquefaction water flows on the downside of division board 12 through back-water valve (BWV).
The present invention can pass through without the technical characteristic described or adopt existing techniques in realizing; do not repeat them here; certainly; above-mentioned explanation is not limitation of the present invention; the present invention is also not limited in above-mentioned citing; the change that those skilled in the art make in essential scope of the present invention, remodeling, interpolation or replacement, also should belong to protection scope of the present invention.
Claims (10)
1. the unpowered water charging system of steam boiler, comprise Boiler High Pressure storehouse, it is characterized in that: described Boiler High Pressure storehouse is by being connected slow pressure storehouse with valve A with the pipeline of valve C, described slow pressure storehouse is by being connected water storing bin with valve B with the pipeline of valve D, water level limit switch under boiler water filling position limit switch and boiler is provided with in described Boiler High Pressure storehouse, described Boiler High Pressure storehouse is also by being connected slow pressure storehouse for subsequent use with valve A ' with the pipeline of valve C ', and described slow pressure storehouse for subsequent use is by being connected water storing bin with valve B ' with the pipeline of valve D '.
2. the unpowered water charging system of steam boiler according to claim 1, it is characterized in that: described slow pressure storehouse is identical with slow pressure chamber structure for subsequent use, water level limit switch, lower water level limit switch and division board is all provided with in described slow pressure storehouse and slow pressure storehouse for subsequent use, described division board is provided with back-water valve (BWV), described division board connects driving cylinder, and the inside top in described slow pressure storehouse and slow pressure storehouse for subsequent use is provided with division board limit switch.
3. the unpowered water charging system of steam boiler according to claim 1, is characterized in that: the periphery of described division board is provided with sealing ring.
4. the unpowered water charging system of steam boiler according to claim 1, is characterized in that: the least significant end height of described water storing bin is greater than or equal to the tip height in described slow pressure storehouse and slow pressure storehouse for subsequent use.
5. the unpowered water charging system of steam boiler according to claim 1, is characterized in that: the height in described slow pressure storehouse and slow pressure storehouse for subsequent use is greater than or equal to the height of described boiler water filling position limit switch.
6. the unpowered water compensating control method of steam boiler, is characterized in that: comprise the steps:
(1) opening: slow pressure storehouse starts, and opens valve B and valve D, the division board in slow pressure storehouse rises fast under the drive of the driving cylinder in slow pressure storehouse simultaneously, gives the storehouse retaining of slow pressure, until the water level upper limit position switch in slow pressure storehouse sends the full signal i of water
1h, slow pressure storehouse stops retaining, valve-off B and valve D; Open valve B ' and valve D ', meanwhile, the division board in slow pressure storehouse for subsequent use rises fast under the drive driving cylinder, to slow pressure storehouse retaining for subsequent use, until the water level upper limit position switch in slow pressure storehouse for subsequent use sends the full signal of water, slow pressure storehouse for subsequent use stops retaining, valve-off B ' and valve D ';
(2) Boiler High Pressure storehouse boiler water level lower position switch sends early warning signal;
(3) if slow pressure storehouse is in the full state of water, then slow pressure storehouse is to the moisturizing of Boiler High Pressure storehouse;
(4) if the water level lower position switch in slow pressure storehouse sends early warning signal and slow pressure storehouse for subsequent use is in the full state of water, slow pressure storehouse for subsequent use is to the moisturizing of Boiler High Pressure storehouse, and slow pressure storehouse starts self-water replenishing;
(5) if the water level lower position switch two in slow pressure storehouse for subsequent use sends early warning signal, slow pressure storehouse for subsequent use starts self-water replenishing;
(6) repeat step (3)-(5), until Boiler High Pressure storehouse boiler water level upper limit position switch sends early warning signal, moisturizing terminates.
7. the unpowered water compensating control method of steam boiler according to claim 4, is characterized in that: in described step (3), slow pressure storehouse comprises following process to the moisturizing of blast furnace high-pressure chamber:
Valve A and valve C opens, valve B and valve D closes, slow pressure storehouse manufactures high-pressure balancing, demineralized water in slow pressure storehouse is used water-head and is utilized deadweight to flow in Boiler High Pressure storehouse through valve A, simultaneously, high steam in Boiler High Pressure storehouse flows into slow pressure storehouse by valve C, and pressurized gives the division board in slow pressure storehouse, division board moves downward under driving cylinder action, drives cylinder time pressing aid, accelerates moisturizing speed, back-water valve (BWV) has single-phase mobility, under the effect of division board, by aqueous water and high steam isolation, vapour-liquid can not be there is and inhale molten phenomenon.
8. the unpowered water compensating control method of steam boiler according to claim 4, is characterized in that: for subsequent use slow pressure storehouse of described step (4) is as follows to the process of Boiler High Pressure storehouse moisturizing:
Valve A ' and valve C ' opens, valve B ' and valve D ' closes, slow pressure storehouse for subsequent use manufactures high-pressure balancing, demineralized water in slow pressure storehouse for subsequent use is used water-head and is utilized deadweight to flow in Boiler High Pressure storehouse through valve A ', simultaneously, high steam flows into slow pressure storehouse for subsequent use by valve C ', and pressurized gives the division board in slow pressure storehouse for subsequent use, division board moves downward under driving cylinder action, secondary pressing aid, accelerate moisturizing speed, back-water valve (BWV) has single-phase mobility, under the effect of slow pressure storehouse for subsequent use division board, by aqueous water and high steam isolation, vapour-liquid can not be there is and inhale molten phenomenon.
9. the unpowered water compensating control method of steam boiler according to claim 4, is characterized in that: the slow pressure storehouse self-water replenishing process of described step (4) is as follows:
Valve B and valve D opens, valve A and valve C closes, slow pressure storehouse manufactures normal-pressure balance, use water-head, water is utilized to conduct oneself with dignity, demineralized water flows to slow pressure storehouse from water storing bin through valve B, simultaneously, the division board in slow pressure storehouse rises fast under the drive driving cylinder, when rising to slow pressure top, storehouse, division board limit switch sends triggering signal, back-water valve (BWV) is opened, moisturizing proceeds, until the water level upper limit position switch in slow pressure storehouse sends the full signal of water, stop moisturizing, simultaneously, gas is discharged through valve D, the liquefaction water of high steam flows on the downside of division board through back-water valve (BWV).
10. the unpowered water compensating control method of steam boiler according to claim 4, is characterized in that: for subsequent use slow pressure storehouse self-water replenishing process of described step (5) is as follows:
Slow pressure storehouse moisturizing for subsequent use: valve B ' and valve D ' opens, valve A ' and valve C ' closes, slow pressure storehouse for subsequent use manufactures normal-pressure balance, use water-head, water is utilized to conduct oneself with dignity, demineralized water flows to slow pressure storehouse for subsequent use from water storing bin through valve B ', simultaneously, the division board in slow pressure storehouse for subsequent use rises fast under the drive driving cylinder, when rising to slow top, pressure storehouse for subsequent use, division board limit switch sends triggering signal, back-water valve (BWV) is opened, moisturizing proceeds, until the water level upper limit position switch in slow pressure storehouse for subsequent use sends the full signal of water, stop moisturizing, simultaneously, gas is discharged through valve D ', the liquefaction water of high steam flows on the downside of division board through back-water valve (BWV).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410659694.XA CN104406156B (en) | 2014-11-18 | 2014-11-18 | A kind of unpowered water charging system of steam boiler and control method |
| CN201610130726.6A CN105782947B (en) | 2014-11-18 | 2014-11-18 | A kind of unpowered water compensating control method of steam boiler |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410659694.XA CN104406156B (en) | 2014-11-18 | 2014-11-18 | A kind of unpowered water charging system of steam boiler and control method |
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| CN201610130726.6A Division CN105782947B (en) | 2014-11-18 | 2014-11-18 | A kind of unpowered water compensating control method of steam boiler |
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| CN104406156A true CN104406156A (en) | 2015-03-11 |
| CN104406156B CN104406156B (en) | 2016-07-06 |
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| CN201410659694.XA Expired - Fee Related CN104406156B (en) | 2014-11-18 | 2014-11-18 | A kind of unpowered water charging system of steam boiler and control method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332515A (en) * | 2019-08-14 | 2019-10-15 | 迈柯唯医疗设备(苏州)有限公司 | A kind of steam boiler water replanishing device |
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| CN2065716U (en) * | 1989-02-04 | 1990-11-14 | 苏学才 | Automatic continuous energy-saving boiler water feeder |
| JP2010096422A (en) * | 2008-10-16 | 2010-04-30 | Mitsubishi Heavy Ind Ltd | Boiler unit and power generation system |
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| CN104406156B (en) | 2016-07-06 |
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Granted publication date: 20160706 Termination date: 20191118 |