CN104324955A - Cold bed afterheat recovery collection and utilization device - Google Patents
Cold bed afterheat recovery collection and utilization device Download PDFInfo
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- CN104324955A CN104324955A CN201410578746.0A CN201410578746A CN104324955A CN 104324955 A CN104324955 A CN 104324955A CN 201410578746 A CN201410578746 A CN 201410578746A CN 104324955 A CN104324955 A CN 104324955A
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The invention discloses a cold bed afterheat recovery collection and utilization device, which comprises a liquid-state medium pump, a heat energy collection system, a gas-state medium pump and a heat energy utilization system in sequential connection through a pipeline a, a pipeline b and a pipeline c, wherein the heat energy utilization system is connected with the liquid-state medium pump through a pipeline d, a pipeline e is also connected onto the heat energy collecting system, the heat energy collecting system comprises a separation bag and a heat collecting tank which are connected through a pipeline g, a baffle plate is arranged in the heat collecting box, an overflow hole is formed in the baffle plate, the top of the separation bag is connected with the pipeline b, the heat energy utilization system comprises a gasification cooling seam bag, a heat radiator is arranged in the gasification cooling steam bag, and the two ends of the heat radiator are respectively connected with the pipeline c and the pipeline d. The heat energy collection system and the heat energy utilization system in the cold bed afterheat recovery collection and utilization device realize the heat energy collection and cyclic utilization in the hot roll bar material cooling process, and energy sources are greatly saved for enterprises. The cold bed afterheat recovery collection and utilization device has the advantages that the structure is simple, the manufacturing cost is low, and the installation period is short.
Description
Technical field
The invention belongs to energy reutilization device technical field, be specifically related to a kind of cold bed waste heat recovery collection and utilize device.
Background technology
In metallography, the rolling higher than metal recrystallization temperature is called hot rolling.Hot rolling can make metal material improve interior tissue crystalline state while shaping, improves mechanical performance.In hot rolled rod production process, temperature during formation product, close to recrystallization temperature, after needing to be cooled to normal temperature to product, just can carry out lower a time operation or packing and selling.And in product cooling procedure, product needed discharges a large amount of heats.
At present in hot rolled rod production process, product cooling all adopts nature cooling and air-cooled, and heat energy is difficult to gather and utilization, both causes energy waste, and also can increase production on-site environment temperature, be unfavorable for production operation.Such as, during hot-rolled steel section is produced, product temperature more than 750 DEG C during product cooling, more than the heat 0.6GJ of product release per ton, amounts to 1.43 × 10
5kCal, is equivalent to the heating calorific value that 20kg marks coal.This part heat energy loss, not only causes efficiency of energy utilization low, and does not meet energy-conserving and environment-protective requirement.
Summary of the invention
The object of the present invention is to provide a kind of cold bed waste heat recovery collection to utilize device, when to solve in prior art hot rolled rod cooling, heat energy is difficult to gather and utilize, the problem of energy waste.
The technical solution adopted in the present invention is, a kind of cold bed waste heat recovery collection utilizes device, comprise the liquid medium pump, heat energy acquisition system, gaseous medium pump and the heat energy utilization system that are connected with pipeline c by pipeline a, pipeline b successively, heat energy utilization system is connected with liquid medium pump by pipeline d, and heat energy acquisition system is also connected with pipeline e;
Heat energy acquisition system comprises the separation bag and heat-collecting box that are connected by pipeline g, medium is provided with in heat-collecting box, the baffle plate bottom perpendicular to heat-collecting box is provided with in heat-collecting box, baffle plate is provided with spout hole, the height of spout hole is higher than the height of medium liquid level, and the bottom of heat-collecting box is provided with medium access port and medium exit, and medium access port and medium exit lay respectively at the both sides of baffle plate, medium access port is connected with pipeline a, and medium exit is connected with pipeline g;
The top being separated bag is connected with pipeline b;
Heat energy utilization system comprises gasification cooling drum, and the side of gasification cooling drum is provided with the import of boiler soft water and steam output interface, and be provided with radiator in gasification cooling drum, the two ends of radiator are connected with pipeline c and pipeline d respectively.
Feature of the present invention is also,
Medium is boiler soft water.
Baffle plate equidistant parallel arranges several, and each baffle plate is equidistantly provided with several spout holes.
Heat-collecting box arranges 1 ~ 10, is connected between heat-collecting box by pipeline f.
Pipeline a and pipeline d is respectively arranged with check-valves a and check-valves b;
Pipeline b and pipeline c is respectively arranged with ball valve a and ball valve b;
Pipeline e is provided with stop valve.
The side being separated bag is provided with fluid level controller, and the side being separated bag is provided with thermometer a near bottom, and the top being separated bag is provided with thermometer b, pressure detector and safety valve a.
Gasification cooling drum top is provided with pressure gauge, thermometer c and safety valve b.
The invention has the beneficial effects as follows: a kind of cold bed waste heat recovery collection utilizes heat energy acquisition system and heat energy utilization system in device, achieves the heat energy collection in hot rolled rod cooling procedure and recycles, and can be enterprise's significantly economize energy.A kind of cold bed waste heat recovery collection utilizes apparatus structure simple, and cost is low, and installation period is short, easily implements, and drops into and is no more than half a year return period.A kind of cold bed waste heat recovery collection utilizes device to pass into soft water, and can not cause scaling, and safety device is reliable, system there will not be dangerous accident.
Accompanying drawing explanation
Fig. 1 is the structural representation that a kind of cold bed waste heat recovery of the present invention collection utilizes device;
Fig. 2 is the structural representation that a kind of cold bed waste heat recovery of the present invention collection utilizes heat energy acquisition system in device;
Fig. 3 is the structural representation that a kind of cold bed waste heat recovery of the present invention collection utilizes heat-collecting box in device;
Fig. 4 is the A-A sectional view of Fig. 3;
Fig. 5 is the structural representation that a kind of cold bed waste heat recovery of the present invention collection utilizes heat energy utilization system in device.
In figure, 1. liquid medium pump, 2. pipeline a, 3. heat energy acquisition system, 4. check-valves a, 5. pipeline e, 6. stop valve, 7. pipeline b, 8. ball valve a, 9. gaseous medium pump, 10. pipeline c, 11. ball valve b, 12. heat energy utilization systems, 13. pipeline d, 14. check-valves b, 15. heat-collecting boxes, 16. spout holes, 17. pipeline f, 18. pipeline g, 19. are separated bag, 20. thermometer a, 21. fluid level controllers, 22. pressure detectors, 23. safety valve a, 24. thermometer b, 25. thermometer c, 26. baffle plates, 27. bars, 28. media, 29. safety valve b, 30. medium exits, 31. medium access ports, 32. gasification cooling drums, 33. radiators, 34. boiler soft water imports, 35. steam output interfaces, 36. pressure gauges.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
The invention provides a kind of cold bed waste heat recovery collection and utilize device, as shown in Figure 1, comprise the liquid medium pump 1, heat energy acquisition system 3, gaseous medium pump 9 and the heat energy utilization system 12 that are connected with pipeline c10 by pipeline a2, pipeline b7 successively, heat energy utilization system 12 is connected with liquid medium pump 1 by pipeline d13, and heat energy acquisition system 3 is also connected with pipeline e5; Pipeline a2 and pipeline d13 is respectively arranged with check-valves a4 and check-valves b14; Pipeline b7 and pipeline c10 is respectively arranged with ball valve a8 and ball valve b11; Pipeline e5 is provided with stop valve 6;
As shown in Figure 2, heat energy acquisition system 3 comprises the separation bag 19 and heat-collecting box 15 that are connected by pipeline g 18, medium 28 is provided with in heat-collecting box 15, the baffle plate 26 bottom perpendicular to heat-collecting box 15 is provided with in heat-collecting box 15, baffle plate 26 is provided with spout hole 16, the height of spout hole 16 is higher than the height of medium 28 liquid level, and medium access port 31 is connected with pipeline a2, and medium exit 30 is connected with pipeline g 18; Heat-collecting box 15 arranges 1 ~ 10, is connected between heat-collecting box 15 by pipeline f17;
The top being separated bag 19 is connected with pipeline b7, and the side being separated bag 19 is provided with fluid level controller 21, and the side being separated bag 19 is provided with thermometer a20 near bottom, and the top being separated bag 19 is provided with thermometer b24, pressure detector 22 and safety valve a23;
Medium 28 is boiler soft water;
As shown in Figure 3, baffle plate 26 equidistant parallel arranges several, each baffle plate 26 is equidistantly provided with several spout holes 16;
As shown in Figure 4, the bottom of heat-collecting box 15 is provided with medium access port 31 and medium exit 30, and medium access port 31 and medium exit 30 lay respectively at the both sides of baffle plate 26;
As shown in Figure 5, heat energy utilization system 12 comprises gasification cooling drum 32, the side of gasification cooling drum 32 is provided with boiler soft water import 34 and steam output interface 35, and be provided with radiator 33 in gasification cooling drum 32, the two ends of radiator 33 are connected with pipeline c10 and pipeline d13 respectively; Gasification cooling drum 32 top is provided with pressure gauge 36, thermometer c25 and safety valve b29.
A kind of cold bed waste heat recovery collection utilizes the effect of parts in device:
Pipeline e5 is provided with, for blowdown in heat energy acquisition system 3.
Pipeline a2, pipeline b7, pipeline c10, pipeline d13, liquid medium pump 1, gaseous medium pump 9 and check-valves a4, ball valve a8, ball valve b11 and check-valves b14, can complete medium transport and heat energy transmission in systems in which.
Separation bag 19 being provided with fluid level controller 21, thermometer a 20, thermometer b24, pressure detector 22, safety valve a23, for monitoring the safety being separated bag 19, ensureing the normal operation of heat energy acquisition system 3.
Gasification cooling drum 32 top is provided with pressure gauge 36, thermometer c25 and safety valve b29, for monitoring the safety of gasification cooling drum 32, ensures the normal operation of heat energy utilization system 12.
A kind of cold bed waste heat recovery of the present invention collection utilizes the operation principle of device to be: as shown in Figure 3, in the middle of two groups of cold bed tooth bars heat-collecting box 15 being arranged on cold bed, liquid medium pump 1 is by liquid medium (water or boiler soft water), deliver in the heat-collecting box 15 of heat energy acquisition system 3 through piping a2 and medium access port 31,1-10 heat-collecting box 15 is in series with in heat energy acquisition system 3, after the liquid medium that pipeline a2 carries enters heat-collecting box 15, absorb the heat of release when bar 27 cools, liquid medium is changed into high-temperature gas medium.High-temperature gas medium enters through pipeline g 18 and is separated bag 19, realize liquid being separated with gaseous medium being separated in bag 19, high-temperature gas medium enters pipeline b7, high-temperature gas medium is delivered to heat energy utilization system 12 through pipeline b7, ball valve a8, gaseous medium pump 9, pipeline c10 and ball valve b11, gaseous medium release heat in heat energy utilization system 12, be changed to liquid state, liquid medium pump 1 is entered through radiator 33, pipeline d13 and check-valves b14, form closed circulation, complete energy transferring and utilization.
High-temperature gas medium can be used for electricity generation system by the steam output interface 35 in heat energy utilization system 12, is inputted by water, heats through radiator 33, then export from steam output interface 35 from boiler soft water import 34, can realize heating.
A kind of cold bed waste heat recovery collection utilizes heat energy acquisition system 3 and heat energy utilization system 12 in device, achieves the heat energy collection in hot rolled rod cooling procedure and recycles, can be enterprise's significantly economize energy.A kind of cold bed waste heat recovery collection utilizes apparatus structure simple, and cost is low, and installation period is short, easily implements, and drops into and is no more than half a year return period.A kind of cold bed waste heat recovery collection utilizes device to pass into soft water, and can not cause scaling, and safety device is reliable, system there will not be dangerous accident.
Claims (7)
1. a cold bed waste heat recovery collection utilizes device, it is characterized in that: comprise the liquid medium pump (1), heat energy acquisition system (3), gaseous medium pump (9) and the heat energy utilization system (12) that are connected with pipeline c (10) by pipeline a (2), pipeline b (7) successively, heat energy utilization system (12) is connected with liquid medium pump (1) by pipeline d (13), and described heat energy acquisition system (3) is also connected with pipeline e (5);
Described heat energy acquisition system (3) comprises the separation bag (19) and heat-collecting box (15) that are connected by pipeline g (18), medium (28) is provided with in heat-collecting box (15), the baffle plate (26) perpendicular to heat-collecting box (15) bottom is provided with in heat-collecting box (15), baffle plate (26) is provided with spout hole (16), the height of spout hole (16) is higher than the height of medium (28) liquid level, the bottom of described heat-collecting box (15) is provided with medium access port (31) and medium exit (30), medium access port (31) and medium exit (30) lay respectively at the both sides of baffle plate (26), medium access port (31) is connected with pipeline a (2), medium exit (30) is connected with pipeline g (18),
The described top being separated bag (19) is connected with pipeline b (7);
Described heat energy utilization system (12) comprises gasification cooling drum (32), the side of gasification cooling drum (32) is provided with boiler soft water import (34) and steam output interface (35), be provided with radiator (33) in gasification cooling drum (32), the two ends of radiator (33) are connected with pipeline c (10) and pipeline d (13) respectively.
2. a kind of cold bed waste heat recovery collection according to claim 1 utilizes device, it is characterized in that: described medium (28) is boiler soft water.
3. a kind of cold bed waste heat recovery collection according to claim 1 utilizes device, it is characterized in that: described baffle plate (26) equidistant parallel arranges several, each baffle plate (26) is equidistantly provided with several spout holes (16).
4. a kind of cold bed waste heat recovery collection according to claim 1 utilizes device, it is characterized in that: described heat-collecting box (15) arranges 1 ~ 10, by pipeline f (17) series connection between heat-collecting box (15).
5. a kind of cold bed waste heat recovery collection according to claim 1 utilizes device, it is characterized in that: described pipeline a (2) and pipeline d (13) are respectively arranged with check-valves a (4) and check-valves b (14);
Described pipeline b (7) and pipeline c (10) are respectively arranged with ball valve a (8) and ball valve b (11);
Described pipeline e (5) is provided with stop valve (6).
6. a kind of cold bed waste heat recovery collection according to claim 1 utilizes device, it is characterized in that: the described side being separated bag (19) is provided with fluid level controller (21), the side being separated bag (19) is provided with thermometer a (20) near bottom, the top being separated bag (19) is provided with thermometer b (24), pressure detector (22) and safety valve a (23).
7. a kind of cold bed waste heat recovery collection according to any one of claim 1-6 utilizes device, it is characterized in that: described gasification cooling drum (32) top is provided with pressure gauge (36), thermometer c (25) and safety valve b (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410578746.0A CN104324955B (en) | 2014-10-24 | 2014-10-24 | A kind of cold bed waste heat recovery collection and utilization device |
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| CN201410578746.0A CN104324955B (en) | 2014-10-24 | 2014-10-24 | A kind of cold bed waste heat recovery collection and utilization device |
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| CN104324955A true CN104324955A (en) | 2015-02-04 |
| CN104324955B CN104324955B (en) | 2016-08-31 |
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Citations (7)
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| GB2414289A (en) * | 2004-05-19 | 2005-11-23 | Asker Barum Kuldeteknikk A S | A heat pump installation |
| CN101260816A (en) * | 2008-04-18 | 2008-09-10 | 朱学仪 | Method and device for reclaiming and utilizing billet residual heat |
| CN101576244A (en) * | 2009-06-16 | 2009-11-11 | 张戈 | Process and device for recovering waste heat from hot rolled steel |
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| CN204159654U (en) * | 2014-10-24 | 2015-02-18 | 陕西钢铁集团有限公司 | Cold bed waste heat recovery collection utilizes device |
-
2014
- 2014-10-24 CN CN201410578746.0A patent/CN104324955B/en active Active
Patent Citations (7)
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| GB2414289A (en) * | 2004-05-19 | 2005-11-23 | Asker Barum Kuldeteknikk A S | A heat pump installation |
| CN101260816A (en) * | 2008-04-18 | 2008-09-10 | 朱学仪 | Method and device for reclaiming and utilizing billet residual heat |
| CN101576244A (en) * | 2009-06-16 | 2009-11-11 | 张戈 | Process and device for recovering waste heat from hot rolled steel |
| CN102865748A (en) * | 2012-09-10 | 2013-01-09 | 江苏永钢集团有限公司 | Billet residual heat recovery device |
| CN102861883A (en) * | 2012-10-22 | 2013-01-09 | 东南大学 | Waste heat recovery device for billets produced by continuous casting machine |
| CN104033872A (en) * | 2014-06-12 | 2014-09-10 | 张学军 | Method and system for recycling waste heat of continuous casting machine |
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| 刘仲尧等: "冷却床钢坯的余热利用", 《上海金属》, vol. 5, no. 02, 31 May 1983 (1983-05-31), pages 53 - 56 * |
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| CN104324955B (en) | 2016-08-31 |
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Effective date of registration: 20190521 Address after: 715400 Longmen Town, Hancheng City, Shaanxi Province Patentee after: Gantry, Shaanxi iron and steel limited liability company Address before: 710018 No. 5, West Section of North Second Ring Road, Weiyang District, Xi'an City, Shaanxi Province Patentee before: Shaan Steel Group Co., Ltd. |
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