CN201852482U - Circulating water cooling system - Google Patents

Circulating water cooling system Download PDF

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Publication number
CN201852482U
CN201852482U CN2010205043231U CN201020504323U CN201852482U CN 201852482 U CN201852482 U CN 201852482U CN 2010205043231 U CN2010205043231 U CN 2010205043231U CN 201020504323 U CN201020504323 U CN 201020504323U CN 201852482 U CN201852482 U CN 201852482U
Authority
CN
China
Prior art keywords
water
pump
cooling
communicated
laminar
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN2010205043231U
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Chinese (zh)
Inventor
苗建武
于树金
李宏州
边仁杰
侯立华
王金星
杨环
姜海杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HEBEI WENFENG IRON AND STEEL CO Ltd
Original Assignee
HEBEI WENFENG IRON AND STEEL CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by HEBEI WENFENG IRON AND STEEL CO Ltd filed Critical HEBEI WENFENG IRON AND STEEL CO Ltd
Priority to CN2010205043231U priority Critical patent/CN201852482U/en
Application granted granted Critical
Publication of CN201852482U publication Critical patent/CN201852482U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00Climate change mitigation technologies for sector-wide applications
    • Y02P80/10Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier

Abstract

The utility model discloses a circulating water cooling system which comprises a cold water tower, a water storage tank, a laminar cooling water tank and a sedimentation tank, wherein a water pump I pumps cooling water from the water storage tank, and then supplies the cooling water to the laminar cooling water tank, the hot water generated after the cooling water in the laminar cooling water tank carries out laminar cooling to a workpiece flows in the sedimentation tank, a overflow pipe of the laminar cooling water tank leads to the interior of the sedimentation tank, the hot water flowing in the sediment tank is pumped to the cold water tower by a water pump II after the impurities of the hot water are subject to sedimentation, the hot water which is pumped to the cold water tower can cool the circulating water during the process that the hot water is showered in the storage water tank, the water pump II is an eccentric water pump, the water inlet pipe of the water pump II is communicated with the sedimentation tank through a jet pump, the mixed pipe of the jet pump is communicated with the water inlet pipe of the water pump II, the absorption chamber of the jet pump is communicated with a pipeline extending into the sedimentation tank, the jet nozzle of the jet pump is communicated with the water outlet of a submersible pump, and a stop valve I is arranged on a communicating pipeline between the submersible pump and the jet pump. The laminar circulating water cooling system with small power consumption is used in the strip steel rolling production line.

Description

A kind of circulating water cooling system
Technical field
The utility model relates to a kind of industrial cycle water system, especially a kind of belt steel rolling production line laminar flow circulating water cooling system.
Background technology
There is the defective of two aspects in belt steel rolling production line laminar flow circulating water cooling system at present, one, the water in the sedimentation basin is the hot water behind the salband steel, promote the water pump of hot water to the cooling tower cooling, the general self-priming water pump that adopts, self-priming water pump is higher by 5 percent to ten than common double suction centrifugal pump energy consumption, if adopt common double suction centrifugal pump to install also resistance waste energy consumption of unidirectional bottom valve additional in the water sucking mouth.Two, be the water pump water supply flow of elevated tank greater than the required water flow, excessive water supply part adopts the mode of overflow to emit, undoubtedly this part water consumption that emits water pump power and the energy has been wasted in not acting.Therefore, designing that a kind of power consumption is little, the belt steel rolling production line laminar flow circulating water cooling system of energy savings, is the present technical issues that need to address.
Summary of the invention
Technical problem to be solved in the utility model provides that a kind of power consumption is little, a kind of belt steel rolling production line laminar flow circulating water cooling system of energy savings.
The technical scheme in the invention for solving the technical problem is:
A kind of circulating water cooling system, by cooling tower, cistern, laminar cooling water case and sedimentation basin are formed, extracting cooling water by the I water pump from cistern supplies water to the laminar cooling water case, hot water behind the cooling water laminar flow cooling spare in the laminar cooling water case flows into sedimentation basin, the overflow pipe of laminar cooling water case leads in the sedimentation basin, flow in the sedimentation basin hot water in sedimentation basin after the precipitated impurities by the II water pump lifting to cooling tower, rise to hot water in the cooling tower and in the process of drenching cistern, finish cooling recirculated water, described II water pump is a centrifugal water pump, the water inlet pipe of II water pump is communicated with sedimentation basin by jet pump, the mixing tube of jet pump is communicated with the water inlet pipe of II water pump, the suction chamber of jet pump is communicated with the pipeline that stretches into sedimentation basin, the nozzle of jet pump is communicated with the delivery port of immersible pump, and the connecting pipe between immersible pump and the jet pump is provided with the I pipe valve.
The technical scheme in the invention for solving the technical problem can also be:
Immersible pump described in the utility model is suspended on the lower central position of raft by hanger bar.
5~25 ° angle is arranged between the center line of the center line of the nozzle of jet pump described in the utility model and the mixing tube of jet pump.
The utility model immersible pump is provided with threeway with the pipeline that the jet pump nozzle is connected, and immersible pump is communicated with cistern by three general pipelines, and the pipeline that immersible pump is communicated with cistern is provided with the II pipe valve.
I water pump described in the utility model is the variable water pump, the variable function of I water pump realizes by the power supply frequency converter of pump motor, the water surface of laminar cooling water case is provided with liquid level sensor, the liquid level analog signal of liquid level sensor passes to the power supply frequency converter of pump motor, the actual water requirement coupling of the output of I water pump and belt steel rolling production line laminar flow circulating water cooling system after the frequency conversion.
Compared with prior art, cooling water pump of the present utility model changes double suction centrifugal pump into by self-priming water pump, economize on electricity 5~10%, and laminar cooling water case supply-water pump is a variable frequency pump, directly reduces the overflow water yield of laminar cooling water case, economize on electricity 30%.
Description of drawings
Fig. 1 is a systematic schematic diagram of the present utility model.
Fig. 2 is the connection layout of part 6 and part 4 among Fig. 1.
Fig. 3 is the floatation principle figure of part 8 among Fig. 1.
The specific embodiment
As shown in the figure, a kind of circulating water cooling system, by cooling tower 1, cistern 2, laminar cooling water case 12 and sedimentation basin 10 are formed, extracting cooling water by I water pump 3 from cistern 2 supplies water to laminar cooling water case 12, hot water behind the cooling water laminar flow cooling spare 9 in the laminar cooling water case 12 flows into sedimentation basin 10, the overflow pipe 11 of laminar cooling water case 12 leads in the sedimentation basin 10, flow into sedimentation basin 10 interior hot water and in sedimentation basin 10, be promoted to cooling tower 1 by II water pump 4 after the precipitated impurities, rise to hot water in the cooling tower 1 and in the process of drenching cistern 10, finish cooling recirculated water, described II water pump 4 is a centrifugal water pump, the water inlet pipe of II water pump 4 is communicated with sedimentation basin 10 by jet pump 6, the mixing tube of jet pump 6 is communicated with the water inlet pipe of II water pump 4, the suction chamber of jet pump 6 is communicated with the pipeline that stretches into sedimentation basin 10, the nozzle of jet pump 6 is communicated with the delivery port of immersible pump 8, and the connecting pipe between immersible pump 8 and the jet pump 6 is provided with I pipe valve 7.Described immersible pump 8 is suspended on the lower central position of raft 16 by hanger bar 15.5~25 ° angle is arranged between the center line of the mixing tube of the center line of the nozzle of described jet pump 6 and jet pump 6.Immersible pump 8 is provided with threeway with the pipeline that jet pump 6 nozzles are connected, and immersible pump 8 is communicated with cistern 10 by three general pipelines, and the pipeline that immersible pump 8 is communicated with cistern 10 is provided with II pipe valve 5.Described I water pump 3 is the variable water pump, the variable function of I water pump 3 realizes by the power supply frequency converter 14 of pump motor, the water surface of laminar cooling water case 12 is provided with liquid level sensor 13, the liquid level analog signal of liquid level sensor 13 passes to the power supply frequency converter of pump motor, the actual water requirement coupling of the output of I water pump 3 and belt steel rolling production line laminar flow circulating water cooling system after the frequency conversion.
Before starting II water pump 4, open I pipe valve 7 earlier, start immersible pump and start II water pump 4 after 8,30 seconds, treat to close immersible pump 8 and I pipe valve 7 after II water pump 4 works well.When not needing cooling tower cold water in the winter time, start immersible pump 8, open II pipe valve 5 and directly supply water to cistern 10 by immersible pump 8.

Claims (5)

1. circulating water cooling system, by cooling tower (1), cistern (2), laminar cooling water case (12) and sedimentation basin (10) are formed, extracting cooling water by I water pump (3) from cistern (2) supplies water to laminar cooling water case (12), hot water behind the cooling water laminar flow cooling spare (9) in the laminar cooling water case (12) flows into sedimentation basin (10), the overflow pipe (11) of laminar cooling water case (12) leads in the sedimentation basin (10), flow into the interior hot water of sedimentation basin (10) and in sedimentation basin (10), be promoted to cooling tower (1) by II water pump (4) after the precipitated impurities, rise to hot water in the cooling tower (1) and in the process of drenching cistern (10), finish cooling recirculated water, it is characterized in that: described II water pump (4) is a centrifugal water pump, the water inlet pipe of II water pump (4) is communicated with sedimentation basin (10) by jet pump (6), the mixing tube of jet pump (6) is communicated with the water inlet pipe of II water pump (4), the suction chamber of jet pump (6) is communicated with the pipeline that stretches into sedimentation basin (10), the nozzle of jet pump (6) is communicated with the delivery port of immersible pump (8), and the connecting pipe between immersible pump (8) and the jet pump (6) is provided with I pipe valve (7).
2. a kind of circulating water cooling system according to claim 1 is characterized in that: described immersible pump (8) is suspended on the lower central position of raft (16) by hanger bar (15).
3. a kind of circulating water cooling system according to claim 1 and 2, it is characterized in that: immersible pump (8) is provided with threeway with the pipeline that jet pump (6) nozzle is connected, immersible pump (8) is communicated with cistern (10) by three general pipelines, and the pipeline that immersible pump (8) is communicated with cistern (10) is provided with II pipe valve (5).
4. a kind of circulating water cooling system according to claim 3 is characterized in that: between the center line of the mixing tube of the center line of the nozzle of described jet pump (6) and jet pump (6) 5~25 ° angle is arranged.
5. a kind of circulating water cooling system according to claim 4, it is characterized in that: described I water pump (3) is the variable water pump, the variable function of I water pump (3) realizes by the power supply frequency converter (14) of pump motor, the water surface of laminar cooling water case (12) is provided with liquid level sensor (13), the liquid level analog signal of liquid level sensor (13) passes to the power supply frequency converter of pump motor, the actual water requirement coupling of the output of I water pump (3) and belt steel rolling production line laminar flow circulating water cooling system after the frequency conversion.
CN2010205043231U 2010-08-25 2010-08-25 Circulating water cooling system Expired - Lifetime CN201852482U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010205043231U CN201852482U (en) 2010-08-25 2010-08-25 Circulating water cooling system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010205043231U CN201852482U (en) 2010-08-25 2010-08-25 Circulating water cooling system

Publications (1)

Publication Number Publication Date
CN201852482U true CN201852482U (en) 2011-06-01

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CN2010205043231U Expired - Lifetime CN201852482U (en) 2010-08-25 2010-08-25 Circulating water cooling system

Country Status (1)

Country Link
CN (1) CN201852482U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101920275A (en) * 2010-08-25 2010-12-22 河北文丰钢铁有限公司 Circulating water cooling system
CN102397893A (en) * 2011-11-30 2012-04-04 东北大学 Water supply device of after-rolling cooling system
CN105050354A (en) * 2015-09-01 2015-11-11 绥阳县华丰电器有限公司 Generating set heat radiation apparatus
CN106077113A (en) * 2016-08-24 2016-11-09 湖南浩森胶业有限公司 A kind of aluminium flake chiller

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101920275A (en) * 2010-08-25 2010-12-22 河北文丰钢铁有限公司 Circulating water cooling system
CN101920275B (en) * 2010-08-25 2012-07-25 河北文丰钢铁有限公司 Circulating water cooling system
CN102397893A (en) * 2011-11-30 2012-04-04 东北大学 Water supply device of after-rolling cooling system
CN105050354A (en) * 2015-09-01 2015-11-11 绥阳县华丰电器有限公司 Generating set heat radiation apparatus
CN106077113A (en) * 2016-08-24 2016-11-09 湖南浩森胶业有限公司 A kind of aluminium flake chiller

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20110601

Effective date of abandoning: 20120725