CN204753720U - Device for preventing deoxidization water tank overflows water - Google Patents

Device for preventing deoxidization water tank overflows water Download PDF

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Publication number
CN204753720U
CN204753720U CN201520356141.7U CN201520356141U CN204753720U CN 204753720 U CN204753720 U CN 204753720U CN 201520356141 U CN201520356141 U CN 201520356141U CN 204753720 U CN204753720 U CN 204753720U
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China
Prior art keywords
water
water tank
deoxygenation
valve
ball valve
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Application number
CN201520356141.7U
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Chinese (zh)
Inventor
王正伟
胡俊华
郭利民
石峰
郭涛
李自强
周璐
詹旭
薛敏
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China Tobacco Henan Industrial Co Ltd
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China Tobacco Henan Industrial Co Ltd
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Abstract

The utility model discloses a device for preventing deoxidization water tank overflows water softens water tank and deoxidization water tank and feeds through through first inlet channel, first ball valve, first water pump, first check valve, second ball valve, pressure sensor, third ball valve and first motorised valve set gradually on the first inlet channel, a pressure sensor and a pump control are connected, be provided with level sensor on the deoxidization water tank, level sensor and first water pump and first motorised valve difference control connection, still be provided with on the deoxidization water tank and take the water seal overflow pipe, take the water seal overflow pipe through the 2nd backflow pipeline with soften the water tank intercommunication, fourth ball valve and second check valve has set gradually on the 2nd backflow pipeline, the end of taking the water seal overflow pipe is provided with the 5th ball valve. The utility model discloses the advantage lies in preventing that the deoxidization water tank from overflowing water, even the water tank overflows water, also can avoid the in line ditch of demineralized water of overflow to form extravagantly in the water recovery of the overflow case of intaking.

Description

Prevent deoxygenation water tank from overflowing the device of water
Technical field
The utility model belongs to indusqtrial water supply technical field, particularly relates to a kind of deoxygenation water tank that prevents and overflows the device of water.
Background technology
The demineralized water of softening water tank is through water pump to the deoxygenation cistern water supply of boiler feed, and demineralized water in deoxygenation water tank after deoxygenation, then is supplied to boiler to utilize.Traditional water pump supplies water as constant pressure water supply, and the water inlet of softening water tank is provided with motor operated valve, and the water level of water tank is controlled by motor operated valve, when cistern water level is in high water level, motor operated valve cuts out, and water pump is out of service, when deoxygenation cistern water level is in low water stage, motor operated valve is opened, and water pump brings into operation.If but motor operated valve by impurity stick cannot close or be not closed completely close, water pump will run always, and demineralized water will constantly to deoxygenation cistern water supply, though deoxygenation water tank overflow water water pump also can not be out of service, and the water that traditional water tank diffuses out all is arranged into trench, causes water waste.
Utility model content
The purpose of this utility model is to provide a kind of deoxygenation water tank that prevents to overflow the device of water, can prevent deoxygenation water tank from overflowing water, even if water tank overflows water, the Water Sproading inlet water tank that also can will diffuse out, avoids the in line ditch of demineralized water diffused out to form waste.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: prevent deoxygenation water tank from overflowing the device of water, comprise softening water tank and deoxygenation water tank, softening water tank is communicated with by the first inlet channel with deoxygenation water tank, on described first inlet channel, the first ball valve is set gradually by water (flow) direction, first water pump, first flap valve, second ball valve, pressure sensor, 3rd ball valve and the first motor operated valve, described pressure sensor and the first water pump control connection, described deoxygenation water tank is provided with liquid level sensor, described liquid level sensor and the first water pump and the first motor operated valve control connection respectively, described deoxygenation water tank is also provided with band water seal bleed off pipe, described band water seal bleed off pipe is communicated with described softening water tank by the second reflux line, on described second reflux line, the 4th ball valve and the second flap valve is disposed with by water (flow) direction, the end of described band water seal bleed off pipe is provided with the 5th ball valve.
The bottom connection of described deoxygenation water tank is provided with the 3rd drainage pipe, is disposed with the 6th ball valve and the second motor operated valve by water (flow) direction on described 3rd drainage pipe.
Described deoxygenation water tank is communicated with and is provided with the 4th and enters steam pipeline, press in steam direction and enter on steam pipeline to be disposed with the 3rd motor operated valve and the 3rd flap valve the described 4th.
Described deoxygenation water tank is communicated with and is provided with the 5th hot-water outlet pipe road, on described 5th hot-water outlet pipe road, be disposed with the 7th ball valve, the second water pump, the 4th flap valve, the 8th ball valve by water (flow) direction.
The beneficial effects of the utility model: the utility model is by the control mode of change first water pump, the first water pump is made not only to want constant pressure water supply, the control of liquid level sensor on deoxygenation water tank is subject to again especially when deoxygenation water tank surcharge water level, prevent deoxygenation water tank from overflowing water by the first motor operated valve two ore control protection of the first water pump and deoxygenation water tank water intake, even if the deoxygenation water tank that the simultaneous faultss such as liquid level sensor, the first motor operated valve cause overflows water, also the Water Sproading diffused out can be entered softening water tank, avoid the in line ditch of demineralized water diffused out to form waste; The bottom connection of deoxygenation water tank is provided with the 3rd drainage pipe, is disposed with the 6th ball valve and the second motor operated valve, may be used for the impurity of control discharge deoxygenation water tank bottom precipitation by water (flow) direction on described 3rd drainage pipe; Deoxygenation water tank is communicated with and is provided with the 4th and enters steam pipeline, press in steam direction to enter on steam pipeline to be disposed with the 3rd motor operated valve and the 3rd flap valve the described 4th, control steam and enter the demineralized water in deoxygenation heating water tanks deoxygenation water tank through the 3rd motor operated valve and the 3rd flap valve successively; Deoxygenation water tank is communicated with and is provided with the 5th hot-water outlet pipe road, on described 5th hot-water outlet pipe road, be disposed with the 7th ball valve, the second water pump, the 4th flap valve, the 8th ball valve by water (flow) direction, the demineralized water in deoxygenation water tank is delivered to boiler utilizes through the 7th ball valve, the second water pump, the 4th flap valve, the 8th ball valve successively after being heated by steam deoxygenation.
Accompanying drawing explanation
Fig. 1 is systematic schematic diagram of the present utility model.
Detailed description of the invention
First inlet channel 24, second reflux line 23 in Fig. 1, the 3rd drainage pipe 25, the 5th upward arrow direction, hot-water outlet pipe road 27 represent the water (flow) direction in the utility model; In Fig. 1, the 4th direction of arrow entered on steam pipeline 26 represents and enters steam direction in the utility model.
As shown in Figure 1, the deoxygenation water tank that prevents of the present utility model overflows the device of water, comprise softening water tank 1 and deoxygenation water tank 13, softening water tank 1 is communicated with by the first inlet channel 24 with deoxygenation water tank 13, on described first inlet channel 24, the first ball valve 2 is set gradually by water (flow) direction, first water pump 3, first flap valve 4, second ball valve 5, pressure sensor 6, 3rd ball valve 8 and the first motor operated valve 9, described pressure sensor 6 and the first water pump 3 control connection, described deoxygenation water tank 13 being provided with liquid level sensor 10(liquid level sensor 10 can adopt the content gauge of band liquid level sensor to substitute), described liquid level sensor 10 and the first water pump 3 and the first motor operated valve 9 control connection respectively, described deoxygenation water tank 13 is also provided with band water seal bleed off pipe 7, described band water seal bleed off pipe 7 is communicated with described softening water tank 1 by the second reflux line 23, on described second reflux line 23, the 4th ball valve 21 and the second flap valve 22 is disposed with by water (flow) direction, the end of described band water seal bleed off pipe 7 is provided with the 5th ball valve 21.
The bottom connection of described deoxygenation water tank is provided with the 3rd drainage pipe 25, is disposed with the 6th ball valve 18 and the second motor operated valve 19 by water (flow) direction on described 3rd drainage pipe 25.Described deoxygenation water tank 13 is communicated with and is provided with the 4th and enters steam pipeline 26, press in steam direction and enter on steam pipeline 16 to be disposed with the 3rd motor operated valve 11 and the 3rd flap valve 12 the described 4th.Described deoxygenation water tank 13 is communicated with and is provided with the 5th hot-water outlet pipe road 27, on described 5th hot-water outlet pipe road 27, be disposed with the 7th ball valve 14, second water pump 15, the 4th flap valve 16, the 8th ball valve 17 by water (flow) direction.
During utility model works, the demineralized water of softening water tank 1 enters deoxygenation water tank 13 through the first ball valve 2, first water pump 3, first flap valve 4, second ball valve 5, pressure sensor 6, the 3rd ball valve 8 and the first motor operated valve 9 successively along the first inlet channel 24.First water pump 3 is constant pressure water supply, when liquid level sensor 10 detects that the water level of deoxygenation water tank 13 is in low water stage, first motor operated valve 9 is opened, demineralized water enters deoxygenation water tank 13, first inlet channel 24 pressure starts to decline, when pressure sensor 6 detects the first inlet channel 24 pressure lower than 0.25MPa, and the first water pump 3 startup optimization, constantly the demineralized water of softening water tank 1 is supplied to deoxygenation water tank 13, the liquid level of deoxygenation water tank 13 starts to rise; When the water level of deoxygenation water tank 13 reaches high water level, when liquid level sensor 10 detects that the water level of deoxygenation water tank 13 reaches high water level, first motor operated valve 9 cuts out, first inlet channel 24 pressure increase, when pressure sensor 6 detects that the first inlet channel 24 pressure reaches 0.3MPa simultaneously, first water pump 3 is out of service, stops to deoxygenation water tank 13 for demineralized water, and the water level of deoxygenation water tank 13 stops rising.
Because motor operated valve often occurs stuck phenomenon, be stuck in spool place when the impurity particularly in ducted welding slag or water flows to electronic spool with water, be not closed completely when motor operated valve cuts out close, in motor operated valve occurs, leak phenomenon.When the first motor operated valve 9 closes not tight or interior leakage, the first inlet channel 24 pressure supplying demineralized water to deoxygenation water tank 13 can not rise, pressure sensor 6 can't detect the signal that namely high-voltage signal can't detect 0.3MPa all the time, even if when the first water pump 3 constantly can run the water level arrival high water level of the deoxygenation water tank 13 that goes down.At this moment because the first motor operated valve 9 is not closed completely or interior leakage, first water pump 3 is not out of service, the water level of deoxygenation water tank 13 can continue to rise, when the water level of deoxygenation water tank 13 reaches surcharge water level, and water level also do not reach the water inlet of band water seal bleed off pipe 7 and deoxygenation water tank 13 also unrestrained water time, the liquid level sensor 10 of deoxygenation water tank 13 detects that surcharge water level Signal transmissions is to the first water pump 3, first water pump 3 is out of service, even if at this moment pressure sensor 6 detects that the first inlet channel 24 pressure is lower than 0.25MPa, first water pump 3 is still out of service, deoxygenation water tank 13 is avoided to overflow water.
Usual ball valve 20 is closed; ball valve 21 is often opened; even if the first motor operated valve 9 or liquid level sensor 10 fault; or the fault such as pressure sensor 6 causes protection system malfunctioning; deoxygenation water tank 13 water level reaches deoxygenation water tank 13 and overflows water water level, and after the water band water seal bleed off pipe 7 diffused out diffuses out, the water diffused out refluxes into softening water tank 1 through the 4th ball valve 21, second flap valve 22 along the second reflux line 23 successively; the water diffused out directly is not drained, saving water resource.Only under special circumstances, just the 5th ball valve 20 is opened, the 4th ball valve 21 is closed, unrestrained water is discharged directly into trench.
The blowdown of deoxygenation water tank 13 is drained through the 6th ball valve 18, second motor operated valve 19 successively along the 3rd drainage pipe 25 of water tank bottom, and the second motor operated valve 19 can setting-up time, regularly opens the impurity of discharge deoxygenation water tank 13 bottom precipitation.
Steam enters steam pipeline 26 along the 4th and enters deoxygenation water tank 13 through the 3rd motor operated valve 11, the 3rd flap valve 12 successively and heat demineralized water in deoxygenation water tank 13, is delivered to boiler and utilizes successively after the demineralized water in deoxygenation water tank 13 is heated by steam deoxygenation along the 5th hot-water outlet pipe road 27 through the 7th ball valve 14, second water pump 15, the 4th flap valve 17, the 8th ball valve 16.
The utility model is by the control mode of change first water pump 3; the first water pump 3 is made not only to want constant pressure water supply; the control of liquid level sensor 10 on deoxygenation water tank 13 is subject to again especially when deoxygenation water tank 13 surcharge water level; the first motor operated valve 9 two ore control protection of being intake by the first water pump 3 and deoxygenation water tank 13 prevents deoxygenation water tank 13 from overflowing water; even if the deoxygenation water tank 13 that the simultaneous faultss such as liquid level sensor 10, first motor operated valve 9 cause overflows water; also the Water Sproading diffused out can be entered softening water tank 1, avoid the in line ditch of demineralized water diffused out to form waste.
Above embodiment is the unrestricted the technical solution of the utility model in order to explanation only, although be described in detail the utility model with reference to above-described embodiment, those of ordinary skill in the art is to be understood that: still can modify to the utility model or equivalent replacement, and not departing from any modification or partial replacement of spirit and scope of the present utility model, it all should be encompassed in the middle of right of the present utility model.

Claims (4)

1. prevent deoxygenation water tank from overflowing the device of water, comprise softening water tank and deoxygenation water tank, softening water tank is communicated with by the first inlet channel with deoxygenation water tank, it is characterized in that: on described first inlet channel, set gradually the first ball valve by water (flow) direction, first water pump, first flap valve, second ball valve, pressure sensor, 3rd ball valve and the first motor operated valve, described pressure sensor and the first water pump control connection, described deoxygenation water tank is provided with liquid level sensor, described liquid level sensor and the first water pump and the first motor operated valve control connection respectively, described deoxygenation water tank is also provided with band water seal bleed off pipe, described band water seal bleed off pipe is communicated with described softening water tank by the second reflux line, on described second reflux line, the 4th ball valve and the second flap valve is disposed with by water (flow) direction, the end of described band water seal bleed off pipe is provided with the 5th ball valve.
2. the deoxygenation water tank that prevents according to claim 1 overflows the device of water, it is characterized in that: the bottom of described deoxygenation water tank is communicated with and is provided with the 3rd drainage pipe, is disposed with the 6th ball valve and the second motor operated valve by water (flow) direction on described 3rd drainage pipe.
3. the deoxygenation water tank that prevents according to claim 1 and 2 overflows the device of water, it is characterized in that: described deoxygenation water tank is communicated with and is provided with the 4th and enters steam pipeline, press in steam direction and enter on steam pipeline to be disposed with the 3rd motor operated valve and the 3rd flap valve the described 4th.
4. the deoxygenation water tank that prevents according to claim 3 overflows the device of water, it is characterized in that: described deoxygenation water tank is communicated with and is provided with the 5th hot-water outlet pipe road, on described 5th hot-water outlet pipe road, be disposed with the 7th ball valve, the second water pump, the 4th flap valve, the 8th ball valve by water (flow) direction.
CN201520356141.7U 2015-05-29 2015-05-29 Device for preventing deoxidization water tank overflows water Active CN204753720U (en)

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Application Number Priority Date Filing Date Title
CN201520356141.7U CN204753720U (en) 2015-05-29 2015-05-29 Device for preventing deoxidization water tank overflows water

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520356141.7U CN204753720U (en) 2015-05-29 2015-05-29 Device for preventing deoxidization water tank overflows water

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104878808A (en) * 2015-05-29 2015-09-02 河南中烟工业有限责任公司 Device for preventing water in deaerated water tank from overflowing

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104878808A (en) * 2015-05-29 2015-09-02 河南中烟工业有限责任公司 Device for preventing water in deaerated water tank from overflowing
CN104878808B (en) * 2015-05-29 2017-01-04 河南中烟工业有限责任公司 Prevent deoxygenation water tank from overflowing the device of water

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Address after: 450000 Yulin South Road, Henan, Zheng Dong, No. 16 South Road, Zhengzhou

Patentee after: China Tobacco Henan Industrial Co., Ltd.

Address before: 450000 Zhengzhou agricultural road, Henan, No. 29

Patentee before: China Tobacco Henan Industrial Co., Ltd.