CN204268929U - A kind of detachable heat exchanger for blast furnace slag quenching water - Google Patents

A kind of detachable heat exchanger for blast furnace slag quenching water Download PDF

Info

Publication number
CN204268929U
CN204268929U CN201420557014.9U CN201420557014U CN204268929U CN 204268929 U CN204268929 U CN 204268929U CN 201420557014 U CN201420557014 U CN 201420557014U CN 204268929 U CN204268929 U CN 204268929U
Authority
CN
China
Prior art keywords
water
water tank
heat exchanger
housing
washing slag
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 - Fee Related
Application number
CN201420557014.9U
Other languages
Chinese (zh)
Inventor
刘军
张军
唐道轲
尤丽
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.)
Beijing Huayu energy technology Limited by Share Ltd
Original Assignee
Beijing Zhongke Huayu Energy Technology Development 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 Beijing Zhongke Huayu Energy Technology Development Co Ltd filed Critical Beijing Zhongke Huayu Energy Technology Development Co Ltd
Priority to CN201420557014.9U priority Critical patent/CN204268929U/en
Application granted granted Critical
Publication of CN204268929U publication Critical patent/CN204268929U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling
    • 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
    • Y02P10/00Technologies related to metal processing
    • Y02P10/25Process efficiency

Abstract

The utility model discloses a kind of detachable heat exchanger for blast furnace slag quenching water, belong to the waste heat recovery field of blast furnace slag quenching water, comprise housing, what be arranged on that housing two ends are connected respectively by flange enters water tank and water tank, the washing slag water inlet tube that the other end of the other end and water tank that enter water tank is connected respectively and washing slag water outlet; Be arranged on the deflection plate in housing, two ends respectively with the heat exchanger tube entering the detachable spoiler of band that water tank is communicated with water tank; Be communicated with hot water inlet's pipe at housing upper, be communicated with hot water outlet pipe in lower housing portion, entering water tank and water tank bottom has sewage draining exit, washing slag water inlet tube and outlet bobbin carriage have sewage draining exit, hot water outlet.The utility model not only can reclaim the heat in washing slag water, the problem of the washing slag water heat exchanger blocking that a large amount of particle and high suspended matter can also be avoided to bring, thus solves the problem that washing slag water can not be directly used in heating.

Description

A kind of detachable heat exchanger for blast furnace slag quenching water
Technical field
The utility model belongs to blast furnace slag quenching water waste heat recovery field, is related specifically to steel plant's using exhaust heat of slag flushing water and reclaims special equipment.
Background technology
In recent years, China's steel industry is in the high speed development stage.China's steel industry energy structure is based on coal, and main energy structure is towards multiplex coal, few electricity consumption and the future development without oil and natural gas, this energy resource structure objectively causes the present situation that China's steel and iron industry efficiency of energy utilization is low, seriously polluted and energy-saving and emission-reduction task is heavy.In the last few years, along with the development of power-saving technology, China's steel industry industrial afterheat recovery utilizes level to be greatly improved, but still has very large gap compared with international most advanced level.The rate of recovery of the residual heat resources such as waste heat, complementary energy (comprising by-product gas) of external advanced iron and steel enterprise is generally more than 90%, and China compares with Foreign Advanced Lerel, falls behind 20%.Trace it to its cause, domestic iron and steel enterprises is difficult to accomplish effectively to reclaim the lower residual heat resources of taste.Mainly not overripened because be limited by low grade residual heat recovery technology, be difficult to accomplish, under the prerequisite of safe and reliable operation, effectively to reclaim low grade residual heat.And in the production process of steel industry, high temperature furnace slag is all generally the mode cooling down high-temperature slags by Water Quenching Slag, the heat loss that high temperature furnace slag contains by the mode eventually through cooling water is in air.According to preliminary understanding, the heat that slag contains is about 0.74GJ/t, if according to 2007 the whole nation output of steel 48924.08 ten thousand tons calculating, then the available heat of slag is about 12570MW.
Owing to containing a large amount of solid particles and suspension in washing slag water, be directly used in heating, the blockings such as the pipeline in heating system, valve, radiator can be made, so washing slag water can not be directly used in heating.The heat energy of blast furnace slag quenching water cannot be utilized.
Utility model content
The purpose of this utility model be in order to overcome a large amount of particle that washing slag water contains and suspension bring heating system to block deficiency, a kind of detachable heat exchanger for blast furnace slag quenching water of proposition.This heat exchanger not only can reclaim the heat in washing slag water, the phenomenon of the washing slag water heat exchanger blocking that a large amount of particle and high suspended matter can also be avoided to bring.
A kind of detachable heat exchanger for blast furnace slag quenching water that the utility model proposes, it is characterized in that, comprise housing, what be arranged on that housing two ends are connected respectively by flange enters water tank and water tank, the washing slag water inlet tube that the other end of the other end and water tank that enter water tank is connected respectively and washing slag water outlet; Be arranged on the deflection plate in housing, two ends respectively with the heat exchanger tube entering water tank and be communicated with water tank, also comprise the detachable spoiler be placed in heat exchanger tube; Be communicated with hot water inlet's pipe at housing upper, be communicated with hot water outlet pipe in lower housing portion, entering water tank and water tank bottom has sewage draining exit, washing slag water inlet tube and outlet bobbin carriage have sewage draining exit, hot water outlet.
Feature of the present utility model and useful achievement:
The utility model proposes a kind of detachable washing slag water heat exchanger, the heat exchanger of this equipment routine improves, the heat reclaiming and contain in washing slag water can be directly used in, and fundamentally solve washing slag water contain the problem of the usual heat exchanger blocking that a large amount of particles and suspension cause, fundamentally improve the utilization ratio of primary energy, save the energy, emissions reduction, reduce the use cost of user.
Accompanying drawing explanation
Fig. 1 is the detachable heat exchanger structural representation for blast furnace slag quenching water of the present utility model;
Fig. 2 is the A-A view of the utility model for the detachable heat exchanger of blast furnace slag quenching water;
Fig. 3 is the detachable spoiler schematic diagram of the utility model.
Detailed description of the invention
A kind of washing slag water dedicated heat exchanger drawings and the embodiments that the utility model proposes are described in detail as follows:
Structure of the present utility model is as shown in Figure 1: the detachable washing slag water heat exchanger of the one that the utility model proposes, comprises washing slag water inlet tube 1, washing slag water outlet 2, hot water backwater's outlet 3, hot water backwater's inlet tube 4, enters water tank 5-1 and water tank 5-2, blow-off pipe 6-1 and 6-2, adpting flange 7-1 and 7-2, housing 8, multiple deflection plate 9, many heat exchanger tubes 10; Also comprise the detachable spoiler 11 be placed in heat exchanger tube; Wherein, washing slag water inlet tube 1 by the mode of welding with enter water tank 5-1 and be connected, enter water tank and be connected with housing 8 by adpting flange, housing 8 is connected with water tank 5-2 by adpting flange, and the mode that water tank 5-2 passes through to weld is connected with washing slag water outlet; Hot water inlet's pipe 3 is connected with housing 8 by the mode of welding, and housing 8 is connected with hot water outlet pipe 4 by the mode of welding; Many heat exchanger tube 10 two ends by the mode of expand tube respectively with enter water tank and water tank is connected; Sewage draining exit pipe by the mode of welding respectively with enter water tank and water outlet place is connected; Multiple deflection plate 9 is connected with housing 8 inwall by the mode of welding.
The course of work of the present utility model is: washing slag water enters water tank 5-1 from washing slag water inlet tube 1, heat exchanger tube 10 is entered by water cartonning 5-1, flow-disturbing fluidised form is there is by the effect of spoiler 11 in heat exchanger tube, enhanced heat exchange effect, inside pipe wall is washed away simultaneously, prevent solid particulate matter in washing slag water and sedimentation of suspension to inner-walls of duct.Meanwhile, hot water backwater enters in housing and carries out heat exchange by pipe wall of heat exchange pipe and washing slag water, reclaims the heat in washing slag water.
The specific embodiment of each parts of the present utility model is described as follows:
Above-mentioned deflection plate 9 adopts the plectane identical with diameter of the housing, and excision sub-fraction, forms the straight flange being less than diameter, as shown in Figure 2; Plectane has identical with heat exchanger tube position, that size is suitable circular hole.Each deflection plate lateral separation is arranged in shell, and heat exchanger tube passes from deflection plate circular hole, and the circumferential edges of deflection plate is connected with housing, staggers in the straight flange position of adjacent two deflection plates; The quantity of deflection plate is relevant with shell length, generally at least two.Mainly in order to the flow process of alter, strengthening fluid conducts heat.
Its shape of above-mentioned spoiler as shown in Figure 3, for spiral rectangular lamellar body 11, be placed in heat exchanger tube, be that elasticity directly contacts with the connection between heat exchanger tube inwall, utilize the connection between the elastic force realization of deflection plate with heat exchanger tube, this spoiler mainly plays strengthening turbulent flow, strengthens souring, avoid the solid impurity in washing slag water to stick to the phenomenon that on heat exchanger tube, impact heat transfer even blocks, flow-disturbing also has the effect of augmentation of heat transfer simultaneously.The two ends of spoiler respectively connect a draw ring 12, can be rotated and the mode of pull is cleared up and is attached to washing slag water impurity on heat exchanger tube inwall and extraction spoiler by draw ring, and the planform of spoiler also can adopt other form that can realize above-mentioned functions.
Spoiler can select thickness to be the carbon steel material of 0.5mm, and utilize bender to be processed as spiral helicine rectangular, its size and heat exchanger tube adapt; Draw ring adopts carbon steel material to make, and the two ends being welded on spoiler are connected.
Heat exchanger tube, selects specification to be that the carbon steel pipe of DN20 is made;
Housing, go out, to enter water tank, import and export pipe, deflection plate and flange all identical with the basic structure of traditional shell heat exchange of heat pipe, adopt general manufacture craft to be made, material is carbon steel material;
Heat exchanger tube, selects specification to be that the carbon steel pipe of DN20 is made.

Claims (2)

1. the detachable heat exchanger for blast furnace slag quenching water, it is characterized in that, comprise housing, what be arranged on that housing two ends are connected respectively by flange enters water tank and water tank, the washing slag water inlet tube that the other end of the other end and water tank that enter water tank is connected respectively and washing slag water outlet; Be arranged on the deflection plate in housing, two ends respectively with the heat exchanger tube entering water tank and be communicated with water tank, also comprise the detachable spoiler be placed in heat exchanger tube; Be communicated with hot water inlet's pipe at housing upper, be communicated with hot water outlet pipe in lower housing portion, entering water tank and water tank bottom has sewage draining exit, washing slag water inlet tube and outlet bobbin carriage have sewage draining exit, hot water outlet.
2. as claimed in claim 1 for the detachable heat exchanger of blast furnace slag quenching water, it is characterized in that, described spoiler is spiral rectangular lamellar body, Elastic Contact direct with heat exchanger tube inwall, and the two ends of spoiler respectively connect a draw ring.
CN201420557014.9U 2014-09-25 2014-09-25 A kind of detachable heat exchanger for blast furnace slag quenching water Expired - Fee Related CN204268929U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420557014.9U CN204268929U (en) 2014-09-25 2014-09-25 A kind of detachable heat exchanger for blast furnace slag quenching water

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420557014.9U CN204268929U (en) 2014-09-25 2014-09-25 A kind of detachable heat exchanger for blast furnace slag quenching water

Publications (1)

Publication Number Publication Date
CN204268929U true CN204268929U (en) 2015-04-15

Family

ID=52803791

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420557014.9U Expired - Fee Related CN204268929U (en) 2014-09-25 2014-09-25 A kind of detachable heat exchanger for blast furnace slag quenching water

Country Status (1)

Country Link
CN (1) CN204268929U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104315896A (en) * 2014-09-25 2015-01-28 北京中科华誉能源技术发展有限责任公司 Detachable heat exchanger for blast furnace slag flushing water
CN105698574A (en) * 2016-03-31 2016-06-22 天津众石睿哲科技有限责任公司 Tube shell type heat exchanger for carbon dioxide heat pump system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104315896A (en) * 2014-09-25 2015-01-28 北京中科华誉能源技术发展有限责任公司 Detachable heat exchanger for blast furnace slag flushing water
CN105698574A (en) * 2016-03-31 2016-06-22 天津众石睿哲科技有限责任公司 Tube shell type heat exchanger for carbon dioxide heat pump system

Similar Documents

Publication Publication Date Title
CN104315896A (en) Detachable heat exchanger for blast furnace slag flushing water
CN104457299B (en) A kind of screw expander that adopts drags sintering waste heat generating system and method thereof
CN204268929U (en) A kind of detachable heat exchanger for blast furnace slag quenching water
CN104832934A (en) Boiler flue gas dust removal and waste heat recovery energy-saving device
CN204649027U (en) A kind of vertical single process heat exchanger for cinder
CN204824714U (en) Coke oven crude gas waste heat recovery heat transfer device
CN204187892U (en) A kind of blast furnace slag quenching water heat pump of recovering residual heat
CN103243187A (en) Method and system for utilizing waste heat of blast furnace slag flushing water
CN201636832U (en) Exhaust heat boiler of electric steelmaking furnace
CN101793466A (en) Power-generating boiler capable of cooling steel products and recovering afterheat in steelmaking and steel-rolling process
CN101482373B (en) Waste heat recovery and utilization system for waste gas of revolving furnace
CN203820804U (en) System for preheating boiler water by washing blast furnace slag water
CN209098704U (en) A kind of blast furnace furnace wall dual-cooled circulatory system
CN201680735U (en) Power generation boiler with steel cooling and waste heat recovery functions during steelmaking and steel rolling process
CN206398739U (en) A kind of boiler internal multitube dust handling equipment
CN201382701Y (en) Converter exhaust waste heat recycling device
CN202024617U (en) Flue gas waste heat utilization system for arc furnace
CN206188756U (en) Coal system gas fluidized bed heat transfer dross removal mechanism
CN205329077U (en) Blast furnace slag flushing water waste heat recovery system
CN204460404U (en) A kind of heating system of using exhaust heat of slag flushing water comprehensive utilization
CN202993184U (en) Water-cooling central air outlet cylinder of cyclone separator
CN204752768U (en) Blast furnace slag water waste heat recovery system
CN214842698U (en) Waste heat recovery system for sand washing water of steel mill
CN207379308U (en) A kind of energy saving and environment friendly reviver reclaiming smelting device
CN204944243U (en) Replaceable coiled electrolysis flue gas waste heat recovery heat-exchanger rig

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CP01 Change in the name or title of a patent holder

Address after: 100190 Beijing, Zhongguancun, building two, floor 333, No.

Patentee after: Beijing Huayu energy technology Limited by Share Ltd

Address before: 100190 Beijing, Zhongguancun, building two, floor 333, No.

Patentee before: Beijing Zhongke Huayu Energy Technology Development Co., Ltd.

CP01 Change in the name or title of a patent holder
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150415

Termination date: 20180925

CF01 Termination of patent right due to non-payment of annual fee