CN202511638U - Device for recovering flue gas waste heat generated by industrial heat treatment - Google Patents

Device for recovering flue gas waste heat generated by industrial heat treatment Download PDF

Info

Publication number
CN202511638U
CN202511638U CN2012200772412U CN201220077241U CN202511638U CN 202511638 U CN202511638 U CN 202511638U CN 2012200772412 U CN2012200772412 U CN 2012200772412U CN 201220077241 U CN201220077241 U CN 201220077241U CN 202511638 U CN202511638 U CN 202511638U
Authority
CN
China
Prior art keywords
heat exchange
hot
cold water
heat treatment
heat
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
CN2012200772412U
Other languages
Chinese (zh)
Inventor
王昕�
邢苍
吕继祖
袁新勇
卞小军
刘海锋
金红伟
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.)
Huadian Heavy Industries Co Ltd
Original Assignee
Huadian Heavy Industries 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 Huadian Heavy Industries Co Ltd filed Critical Huadian Heavy Industries Co Ltd
Priority to CN2012200772412U priority Critical patent/CN202511638U/en
Application granted granted Critical
Publication of CN202511638U publication Critical patent/CN202511638U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/27Relating to heating, ventilation or air conditioning [HVAC] technologies
    • Y02A30/274Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
    • 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 device for recovering flue gas waste heat generated by industrial heat treatment. The device includes a heat treatment system (16), a cold and hot water set (2), and a cooling tower (4), the heat treatment system (16) is connected to the cold and hot water set (2) via a heat exchange inlet flue (5), the cooling water system of the cold and hot water set (2) is connected to the cooling tower (4), and the cold and hot water set (2) is connected to a terminal user (7) via a connecting pipeline. The device provided fully recovers and utilizes flue gas waste heat resources of the heat treatment device, therefore, the heat pollution due to the excess temperature of the flue gas is reduced, the heating/refrigeration demand in the factory is completely solved by themselves without the need for additionally arranging a central air conditioning set to carry out refrigeration/heating or leading an external thermal pipe network to carry out heating conveying, thereby achieving the aims of energy saving and consumption reduction based on the full utilization of waste heat resources.

Description

A kind of device that reclaims industrial heat treatment smoke discharging residual heat
Technical field
The utility model relates to a kind of device that reclaims industrial heat treatment smoke discharging residual heat, belongs to industrial heat treatment and reclaims the smoke discharging residual heat technical field.
Background technology
The industry annealing device is the equipment of the heating, cooling or the various less important works that are used to realize furnace charge each item Technology for Heating Processing.For making metal works have needed mechanical property, physical property and chemical property; Except that reasonable the selection of material and various forming technology, Technology for Heating Processing is requisite often, need anneal according to workpiece, Technology for Heating Processing such as tempering, quenching, heating; The general shape and whole chemical composition that does not change workpiece; But through changing the microscopic structure of interior, or change the chemical composition of surface of the work, give or improve the serviceability of workpiece.
The heat treatment heating means are broadly divided into several different methods such as fuel combustion heating, electrical heating method and high-energy-density energy heating; And for the heating means of fuel combustion; Usually need blast a large amount of air; Make fuel mix burning afterwards with the certain proportion air, heating clamber is heated, discharge high-temperature flue gas simultaneously to keep the annealing device pressure inside balanced.Under normal conditions, high-temperature flue gas all directly enters atmosphere through chimney, has not only caused a large amount of thermal pollutions, has also wasted the great amount of heat energy of carrying in the flue gas simultaneously.
The utility model content
The purpose of the utility model is; A kind of device that reclaims industrial heat treatment smoke discharging residual heat is provided, and it utilizes lithium bromide hot and cold water unit, and the annealing device smoke discharging residual heat is carried out refrigeration in summer, winter heating as unit input thermal source; And preparation domestic hot-water; Chilled water/the hot water that produces is delivered to the terminal use through pipe network, and the needs with refrigeration/heating/domestic water of satisfying the terminal use make full use of the smoke discharging residual heat resource; Not only reduced the thermal pollution that causes because of exhaust gas temperature is too high; Heating/refrigeration demand in the factory is settled a dispute by the parties concerned themselves fully, need not to install separately the central air-conditioning unit and carries out refrigerating/heating or draw connecing the conveying that heats of outside heat distribution pipe network, has reached the energy-saving and cost-reducing purpose on the basis that residual heat resources make full use of.
The technical scheme of the utility model: a kind of device that reclaims industrial heat treatment smoke discharging residual heat; Comprise heat treatment system, hot and cold water unit and cooling tower; Heat treatment system links to each other with the hot and cold water unit through the heat exchange gas approach; The cooling water system of hot and cold water unit is connected with cooling tower, and the hot and cold water unit also is connected with the terminal use through connecting pipeline.Owing to be provided with the hot and cold water unit; Make full use of the smoke discharging residual heat resource; Not only reduced the thermal pollution that causes because of exhaust gas temperature is too high; Heating/refrigeration demand in the factory is settled a dispute by the parties concerned themselves fully, need not to install separately the central air-conditioning unit and carries out refrigerating/heating or draw connecing the conveying that heats of outside heat distribution pipe network, has reached the energy-saving and cost-reducing purpose on the basis that residual heat resources make full use of.
In the device of the industrial heat treatment smoke discharging residual heat of aforesaid this recovery, heat treatment system comprises chimney and annealing device, and chimney is connected with annealing device through the bypass flue, and the bypass flue is provided with the bypass damper; Annealing device is connected with the heat exchange gas approach.
In the device of the industrial heat treatment smoke discharging residual heat of aforesaid this recovery, the pipeline that the hot and cold water unit connects cooling tower is provided with cooling water pump, to discharge water cooling and heating units system used heat through cooling tower; The pipeline that the hot and cold water unit connects the terminal use is provided with feed pump, to carry chilled water or hot water to the terminal use.
In the device of the industrial heat treatment smoke discharging residual heat of aforesaid this recovery, the heat exchange gas approach is provided with heat exchange gas approach baffle plate.
In the device of the industrial heat treatment smoke discharging residual heat of aforesaid this recovery, the hot and cold water unit is provided with the heat exchange exhaust pass, and the heat exchange exhaust pass is provided with heat exchange exhaust pass baffle plate and air-introduced machine.Because the heat exchange gas approach is provided with heat exchange gas approach baffle plate; The heat exchange exhaust pass is provided with heat exchange exhaust pass baffle plate, and the bypass flue is provided with the bypass damper, through the open and close of adjustment damper; Can the annealing device discharged flue gas be delivered to the hot and cold water unit and carry out heat recovery; Perhaps when bootstrap system maintenance or shutdown, directly flue gas is delivered to and entered atmosphere in the chimney, and, keep the pressure balance in the annealing device through adjusting the open degree of damper.
In the device of the industrial heat treatment smoke discharging residual heat of aforesaid this recovery, the quantity of said heat treatment system is 2 or 3, and their all mistakes heat exchange gas approach separately inserts the hot and cold water unit, and links to each other with chimney through heat exchange exhaust pass separately.
In the device of the industrial heat treatment smoke discharging residual heat of aforesaid this recovery, the hot and cold water unit is provided with heat exchange smoke evacuation chimney and connects through the heat exchange exhaust pass, and the heat exchange exhaust pass is provided with air-introduced machine.Owing on the heat exchange exhaust pass, be provided with air-introduced machine, can overcome the resistance of hot and cold water unit and heat exchange import and export flue, guarantee the smooth discharge of flue gas.
In the device of the industrial heat treatment smoke discharging residual heat of aforesaid this recovery, the quantity of said heat treatment system is 2 or 3, and they insert the hot and cold water unit through heat exchange gas approach separately, and links to each other with heat exchange smoke evacuation chimney through heat exchange exhaust pass separately.
In the device of the industrial heat treatment smoke discharging residual heat of aforesaid this recovery; The quantity of said heat treatment system is 2 or 3; Insert the hot and cold water unit through a heat exchange gas approach after their the exhaust pass parallel connection, and link to each other with heat exchange smoke evacuation chimney through a heat exchange exhaust pass.
In the device of the industrial heat treatment smoke discharging residual heat of aforesaid this recovery; Also comprise a centralized control system; Centralized control system is located on the hot and cold water unit; And reception hot and cold water unit signal, air-introduced machine status signal, baffle door status signal, pipe valve status signal, the interior medium monitor signal of pipe, feed pump signal, cooling tower import and export status signal, cooling water pump signal, annealing device run signal and annealing device frequency conversion centrifugal blower signal; According to above each signal is handled, generate control instruction, control instruction is turned back to each equipment.
The workflow of the industrial heat treatment smoke discharging residual heat of aforesaid this recovery equipment therefor: on the bypass flue of annealing device, by-pass damper is set; And on the flue between by-pass damper and annealing device, draw and connect the heat exchange gas approach, high-temperature flue gas is introduced the hot and cold water unit; Used heat in the hot and cold water unit absorbs through cooling water pump, and sends in the cooling tower and cool off, and sends the hot and cold water unit again back to and carries out endothermic process next time; Chilled water of processing or hot water are delivered to the terminal use through pipeline, send the hot and cold water unit back to after absorption or the release heat; Low-temperature flue gas that will be after UTILIZATION OF VESIDUAL HEAT IN through the heat exchange exhaust pass, is delivered to the flue between by-pass damper and the chimney through the heat exchange outlet damper, and is discharged through chimney.
Compared with prior art; Owing to be provided with the hot and cold water unit; Make full use of the smoke discharging residual heat resource, not only reduced the thermal pollution that causes because of exhaust gas temperature is too high, the heating/refrigeration demand in the factory is settled a dispute by the parties concerned themselves fully; Need not to install separately the central air-conditioning unit and carry out refrigerating/heating or draw connecing the conveying that heats of outside heat distribution pipe network, reached the energy-saving and cost-reducing purpose on the basis that residual heat resources make full use of; The pipeline that the hot and cold water unit connects cooling tower is provided with cooling water pump, to discharge water cooling and heating units system used heat through cooling tower; The pipeline that the hot and cold water unit connects the terminal use is provided with feed pump, to carry chilled water or hot water to the terminal use; Because the heat exchange gas approach is provided with heat exchange gas approach baffle plate; The heat exchange exhaust pass is provided with heat exchange exhaust pass baffle plate, and the bypass flue is provided with the bypass damper, through the open and close of adjustment damper; Can the annealing device discharged flue gas be delivered to the hot and cold water unit and carry out heat recovery; Perhaps when bootstrap system maintenance or shutdown, directly flue gas is delivered to and entered atmosphere in the chimney, and, keep the pressure balance in the annealing device through adjusting the open degree of damper; Owing on the heat exchange exhaust pass, be provided with the resistance that air-introduced machine can overcome hot and cold water unit and heat exchange import and export flue, guarantee the smooth discharge of flue gas.
Residual neat recovering system transformation project with certain two 60 tons of annealing device of company is an example; Estimate according to economy; Implement the waste heat recovery retrofit work, annual recyclable fume afterheat 3.68 * 1010kJ amounts to 1254.7 tons of standard coals; Not only reduced thermal pollution, can satisfy the cold/heat supply/domestic hot-water's of on-site demand simultaneously environment; Owing to adopt flue gas fuel supplementing type lithium bromide hot and cold water unit, can practice thrift 14.18 ten thousand yuan of combustion gas expenses every year simultaneously, practice thrift 53.37 ten thousand yuan of the electricity charge; As have heat, colod-application family in the surrounding area, then can carry out extending capacity reformation through the mode of parallelly connected fuel supplementing type lithium bromide unit; Payoff period after can practice thrift operating cost 1405.04 ten thousand yuan according to 25 years meters the service life of considering device.
In sum, this technology is being significant aspect energy-saving benefit, environmental benefit and the social benefit.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the structural representations of 2 groups of heat treatment systems of the utility model to the internal system chimney emission;
Fig. 3 is the structural representations of 3 groups of heat treatment systems of the utility model to the internal system chimney emission;
Fig. 4 is the structural representation that the utility model is provided with heat exchange smoke evacuation chimney;
Fig. 5 is the structural representation that 2 groups of heat treatment systems of the utility model are in charge of road direction heat exchange smoke evacuation chimney emission;
Fig. 6 is the structural representation that 3 groups of heat treatment systems of the utility model are in charge of road direction heat exchange smoke evacuation chimney emission;
Fig. 7 is that 2 groups of heat treatment systems of the utility model are with the structural representation of pipeline to heat exchange smoke evacuation chimney emission;
Fig. 8 is that 3 groups of heat treatment systems of the utility model are with the structural representation of pipeline to heat exchange smoke evacuation chimney emission.
Being labeled as in the accompanying drawing: 1-chimney, 2-hot and cold water unit, 3-annealing device, 4-cooling tower, 5-heat exchange gas approach; 6-bypass flue, 7-terminal use, 8-bypass damper, 9-heat exchange gas approach baffle plate; The 10-feed pump, 11-cooling water pump, 12-heat exchange exhaust pass, 13-heat exchange exhaust pass baffle plate; The 14-air-introduced machine, 15-heat exchange smoke evacuation chimney, 16-heat treatment system, 17-centralized control system.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described, but not as the foundation to the utility model restriction.
The embodiment 1 of the utility model: as shown in Figure 1; A kind of device that reclaims industrial heat treatment smoke discharging residual heat; Comprise heat treatment system 16, hot and cold water unit 2 and cooling tower 4; Heat treatment system 16 links to each other with hot and cold water unit 2 through heat exchange gas approach 5, and the cooling water system of hot and cold water unit 2 is connected with cooling tower 4, and hot and cold water unit 2 also is connected with terminal use 7 through connecting pipeline; Heat treatment system 16 comprises chimney 1 and annealing device 3, and chimney 1 is connected with annealing device 3 through bypass flue 6, and bypass flue 6 is provided with bypass damper 8; Annealing device 3 is connected with heat exchange gas approach 5.
The pipeline that hot and cold water unit 2 connects cooling tower 4 is provided with cooling water pump 11, and the pipeline that hot and cold water unit 2 connects the terminal use is provided with feed pump 10.Heat exchange gas approach 5 is provided with heat exchange gas approach baffle plate 9.Be provided with heat exchange exhaust pass 12 and connect chimney 1 and hot and cold water unit 2, heat exchange exhaust pass 12 is provided with heat exchange exhaust pass baffle plate 13 and air-introduced machine 14.
As shown in Figure 9; Also comprise a centralized control system 17; Centralized control system 17 is located on the hot and cold water unit 2; And receive medium monitor signal in hot and cold water unit signal, air-introduced machine status signal, baffle door status signal, pipe valve status signal, the pipe, feed pump signal, cooling tower import and export status signal, cooling water pump signal, annealing device run signal and annealing device frequency conversion centrifugal blower signal, according to above each signal equipment is carried out system's control operation.
The embodiment 2 of the utility model: as shown in Figure 2; A kind of device that reclaims industrial heat treatment smoke discharging residual heat; Comprise heat treatment system 16, hot and cold water unit 2 and cooling tower 4; Heat treatment system 16 links to each other with hot and cold water unit 2 through heat exchange gas approach 5, and the cooling water system of hot and cold water unit 2 is connected with cooling tower 4, and hot and cold water unit 2 also is connected with terminal use 7 through connecting pipeline; Heat treatment system 16 comprises chimney 1 and annealing device 3, and chimney 1 is connected with annealing device 3 through bypass flue 6, and bypass flue 6 is provided with bypass damper 8; Annealing device 3 is connected with heat exchange gas approach 5.
The pipeline that hot and cold water unit 2 connects cooling tower 4 is provided with cooling water pump 11, and the pipeline that hot and cold water unit 2 connects the terminal use is provided with feed pump 10.Heat exchange gas approach 5 is provided with heat exchange gas approach baffle plate 9.Be provided with heat exchange exhaust pass 12 and connect chimney 1 and hot and cold water unit 2, heat exchange exhaust pass 12 is provided with heat exchange exhaust pass baffle plate 13 and air-introduced machine 14.The quantity of said heat treatment system 16 is 2, and they insert hot and cold water unit 2 through heat exchange gas approach 5 separately, and link to each other with chimney 1 through heat exchange exhaust pass 12 separately.
As shown in Figure 9; Also comprise a centralized control system 17; Centralized control system 17 is located on the hot and cold water unit 2; And receive medium monitor signal in hot and cold water unit signal, air-introduced machine status signal, baffle door status signal, pipe valve status signal, the pipe, feed pump signal, cooling tower import and export status signal, cooling water pump signal, annealing device run signal and annealing device frequency conversion centrifugal blower signal, according to above each signal equipment is carried out system's control operation.
The embodiment 3 of the utility model: as shown in Figure 3; A kind of device that reclaims industrial heat treatment smoke discharging residual heat; Comprise heat treatment system 16, hot and cold water unit 2 and cooling tower 4; Heat treatment system 16 links to each other with hot and cold water unit 2 through heat exchange gas approach 5, and the cooling water system of hot and cold water unit 2 is connected with cooling tower 4, and hot and cold water unit 2 also is connected with terminal use 7 through connecting pipeline; Heat treatment system 16 comprises chimney 1 and annealing device 3, and chimney 1 is connected with annealing device 3 through bypass flue 6, and bypass flue 6 is provided with bypass damper 8; Annealing device 3 is connected with heat exchange gas approach 5.
The pipeline that hot and cold water unit 2 connects cooling tower 4 is provided with cooling water pump 11, and the pipeline that hot and cold water unit 2 connects the terminal use is provided with feed pump 10.Heat exchange gas approach 5 is provided with heat exchange gas approach baffle plate 9.Be provided with heat exchange exhaust pass 12 and connect chimney 1 and hot and cold water unit 2, the heat exchange exhaust pass is provided with heat exchange exhaust pass baffle plate 13 and air-introduced machine 14.The quantity of said heat treatment system 16 is 3, and they insert hot and cold water unit 2 through heat exchange gas approach 5 separately, and link to each other with chimney 1 through heat exchange exhaust pass 12 separately.
As shown in Figure 9; Also comprise a centralized control system 17; Centralized control system 17 is located on the hot and cold water unit 2; And receive medium monitor signal in hot and cold water unit signal, air-introduced machine status signal, baffle door status signal, pipe valve status signal, the pipe, feed pump signal, cooling tower import and export status signal, cooling water pump signal, annealing device run signal and annealing device frequency conversion centrifugal blower signal, according to above each signal equipment is carried out system's control operation.
The embodiment 4 of the utility model: as shown in Figure 4; A kind of device that reclaims industrial heat treatment smoke discharging residual heat; Comprise heat treatment system 16, hot and cold water unit 2 and cooling tower 4; Heat treatment system 16 links to each other with hot and cold water unit 2 through heat exchange gas approach 5, and the cooling water system of hot and cold water unit 2 is connected with cooling tower 4, and hot and cold water unit 2 also is connected with terminal use 7 through connecting pipeline; Heat treatment system 16 comprises chimney 1 and annealing device 3, and chimney 1 is connected with annealing device 3 through bypass flue 6, and bypass flue 6 is provided with bypass damper 8; Annealing device 3 is connected with heat exchange gas approach 5.
The pipeline that hot and cold water unit 2 connects cooling tower 4 is provided with cooling water pump 11, and the pipeline that hot and cold water unit 2 connects the terminal use is provided with feed pump 10.Heat exchange gas approach 5 is provided with heat exchange gas approach baffle plate 9.Hot and cold water unit 2 is provided with heat exchange smoke evacuation chimney 15 and connects through heat exchange exhaust pass 12, and heat exchange exhaust pass 12 is provided with air-introduced machine 14.
As shown in Figure 9; Also comprise a centralized control system 17; Centralized control system 17 is located on the hot and cold water unit 2; And receive medium monitor signal in hot and cold water unit signal, air-introduced machine status signal, baffle door status signal, pipe valve status signal, the pipe, feed pump signal, cooling tower import and export status signal, cooling water pump signal, annealing device run signal and annealing device frequency conversion centrifugal blower signal, according to above each signal equipment is carried out system's control operation.
The embodiment 5 of the utility model: as shown in Figure 5; A kind of device that reclaims industrial heat treatment smoke discharging residual heat; Comprise heat treatment system 16, hot and cold water unit 2 and cooling tower 4; Heat treatment system 16 links to each other with hot and cold water unit 2 through heat exchange gas approach 5, and the cooling water system of hot and cold water unit 2 is connected with cooling tower 4, and hot and cold water unit 2 also is connected with terminal use 7 through connecting pipeline; Heat treatment system 16 comprises chimney 1 and annealing device 3, and chimney 1 is connected with annealing device 3 through bypass flue 6, and bypass flue 6 is provided with bypass damper 8; Annealing device 3 is connected with heat exchange gas approach 5.
The pipeline that hot and cold water unit 2 connects cooling tower 4 is provided with cooling water pump 11, and the pipeline that hot and cold water unit 2 connects the terminal use is provided with feed pump 10.Heat exchange gas approach 5 is provided with heat exchange gas approach baffle plate 9.Hot and cold water unit 2 is provided with heat exchange smoke evacuation chimney 15 and connects through heat exchange exhaust pass 12, and heat exchange exhaust pass 12 is provided with air-introduced machine 14.The quantity of said heat treatment system 16 is 2, and they insert hot and cold water unit 2 through heat exchange gas approach 5 separately, and links to each other with heat exchange smoke evacuation chimney 15 through heat exchange exhaust pass 12 separately.
As shown in Figure 9; Also comprise a centralized control system 17; Centralized control system 17 is located on the hot and cold water unit 2; And receive medium monitor signal in hot and cold water unit signal, air-introduced machine status signal, baffle door status signal, pipe valve status signal, the pipe, feed pump signal, cooling tower import and export status signal, cooling water pump signal, annealing device run signal and annealing device frequency conversion centrifugal blower signal, according to above each signal equipment is carried out system's control operation.
The embodiment 6 of the utility model: as shown in Figure 6; A kind of device that reclaims industrial heat treatment smoke discharging residual heat; Comprise heat treatment system 16, hot and cold water unit 2 and cooling tower 4; Heat treatment system 16 links to each other with hot and cold water unit 2 through heat exchange gas approach 5, and the cooling water system of hot and cold water unit 2 is connected with cooling tower 4, and hot and cold water unit 2 also is connected with terminal use 7 through connecting pipeline.
Heat treatment system 16 comprises chimney 1 and annealing device 3, and chimney 1 is connected with annealing device 3 through bypass flue 6, and bypass flue 6 is provided with bypass damper 8; Annealing device 3 is connected with heat exchange gas approach 5; The pipeline that hot and cold water unit 2 connects cooling tower 4 is provided with cooling water pump 11, and the pipeline that hot and cold water unit 2 connects the terminal use is provided with feed pump 10.Heat exchange gas approach 5 is provided with heat exchange gas approach baffle plate 9.Hot and cold water unit 2 is provided with heat exchange smoke evacuation chimney 15 and connects through heat exchange exhaust pass 12, and heat exchange exhaust pass 12 is provided with air-introduced machine 14.The quantity of said heat treatment system 16 is 3, and they insert hot and cold water unit 2 through heat exchange gas approach 5 separately, and links to each other with heat exchange smoke evacuation chimney 15 through heat exchange exhaust pass 12 separately.
As shown in Figure 9; Also comprise a centralized control system 17; Centralized control system 17 is located on the hot and cold water unit 2; And receive medium monitor signal in hot and cold water unit signal, air-introduced machine status signal, baffle door status signal, pipe valve status signal, the pipe, feed pump signal, cooling tower import and export status signal, cooling water pump signal, annealing device run signal and annealing device frequency conversion centrifugal blower signal, according to above each signal equipment is carried out system's control operation.
The embodiment 7 of the utility model: as shown in Figure 7; A kind of device that reclaims industrial heat treatment smoke discharging residual heat; Comprise heat treatment system 16, hot and cold water unit 2 and cooling tower 4; Heat treatment system 16 links to each other with hot and cold water unit 2 through heat exchange gas approach 5, and the cooling water system of hot and cold water unit 2 is connected hot and cold water unit 2 and also is connected with terminal use 7 through connecting pipeline with cooling tower 4; Heat treatment system 16 comprises chimney 1 and annealing device 3, and chimney 1 is connected with annealing device 3 through bypass flue 6, and bypass flue 6 is provided with bypass damper 8; Annealing device 3 is connected with heat exchange gas approach 5.
The pipeline that hot and cold water unit 2 connects cooling tower 4 is provided with cooling water pump 11, and the pipeline that hot and cold water unit 2 connects the terminal use is provided with feed pump 10; Heat exchange gas approach 5 is provided with heat exchange gas approach baffle plate 9.
Hot and cold water unit 2 is provided with heat exchange smoke evacuation chimney 15 and connects through heat exchange exhaust pass 12, and heat exchange exhaust pass 12 is provided with air-introduced machine 14.The quantity of said heat treatment system 16 is 2, inserts hot and cold water unit 2 through a heat exchange gas approach 5 after their the exhaust pass parallel connection, and links to each other with heat exchange smoke evacuation chimney 15 through a heat exchange exhaust pass 12.
As shown in Figure 9; Also comprise a centralized control system 17; Centralized control system 17 is located on the hot and cold water unit 2; And receive medium monitor signal in hot and cold water unit signal, air-introduced machine status signal, baffle door status signal, pipe valve status signal, the pipe, feed pump signal, cooling tower import and export status signal, cooling water pump signal, annealing device run signal and annealing device frequency conversion centrifugal blower signal, according to above each signal equipment is carried out system's control operation.
The embodiment 8 of the utility model: as shown in Figure 8; A kind of device that reclaims industrial heat treatment smoke discharging residual heat; Comprise heat treatment system 16, hot and cold water unit 2 and cooling tower 4; Heat treatment system 16 links to each other with hot and cold water unit 2 through heat exchange gas approach 5, and the cooling water system of hot and cold water unit 2 is connected with cooling tower 4, and hot and cold water unit 2 also is connected with terminal use 7 through connecting pipeline; Heat treatment system 16 comprises chimney 1 and annealing device 3, and chimney 1 is connected with annealing device 3 through bypass flue 6, and bypass flue 6 is provided with bypass damper 8; Annealing device 3 is connected with heat exchange gas approach 5.
The pipeline that hot and cold water unit 2 connects cooling tower 4 is provided with cooling water pump 11, and the pipeline that hot and cold water unit 2 connects the terminal use is provided with feed pump 10.Heat exchange gas approach 5 is provided with heat exchange gas approach baffle plate 9.
The quantity of said heat treatment system 16 is 3; Insert hot and cold water unit 2 through a heat exchange gas approach 5 after their the exhaust pass parallel connection; Be provided with heat exchange smoke evacuation chimney 15 and connect hot and cold water unit 2 through a heat exchange exhaust pass 12, heat exchange exhaust pass 12 is provided with air-introduced machine 14.
As shown in Figure 9; Also comprise a centralized control system 17; Centralized control system 17 is located on the hot and cold water unit 2; And receive medium monitor signal in hot and cold water unit signal, air-introduced machine status signal, baffle door status signal, pipe valve status signal, the pipe, feed pump signal, cooling tower import and export status signal, cooling water pump signal, annealing device run signal and annealing device frequency conversion centrifugal blower signal, according to above each signal equipment is carried out system's control operation.
When the scheme of no heat exchange smoke evacuation chimney, the flow process of flue gas is:
1, during UTILIZATION OF VESIDUAL HEAT IN, closes the by-pass damper door, open heat exchange inlet flue gas baffle door and heat exchange outlet gas baffle door;
2, when UTILIZATION OF VESIDUAL HEAT IN overhaul of the equipments or stoppage in transit, open the by-pass damper door, close heat exchange inlet flue gas baffle door and heat exchange outlet gas baffle door;
When heat exchange smoke evacuation chimney scheme, the flow process of flue gas is:
1, during UTILIZATION OF VESIDUAL HEAT IN, closes the by-pass damper door, open heat exchange inlet flue gas baffle door;
2, when UTILIZATION OF VESIDUAL HEAT IN overhaul of the equipments or stoppage in transit, open the by-pass damper door, close heat exchange inlet flue gas baffle door;
The method for using of the utility model: flue gas is provided with by-pass damper 9 on the bypass flue 8 of annealing device 3, and draws on the flue through 3 of by-pass damper 9 and annealing devices and connect heat exchange gas approach 5, and high-temperature flue gas is introduced hot and cold water unit 2; After used heat in the hot and cold water unit 2 is absorbed by cooling water, send in the cooling tower 4 through cooling water pump 11 and to cool off, send the endothermic process that hot and cold water unit 2 carries out next time again back to; Chilled water of processing or hot water are delivered to terminal use 7 through pipeline, send hot and cold water unit 2 back to after absorption or the release heat; Low-temperature flue gas that will be after UTILIZATION OF VESIDUAL HEAT IN is delivered to heat exchange smoke evacuation chimney 15 or chimney 1 is discharged through the heat exchange exhaust pass.

Claims (10)

1. device that reclaims industrial heat treatment smoke discharging residual heat; It is characterized in that: comprise heat treatment system (16), hot and cold water unit (2) and cooling tower (4); Heat treatment system (16) links to each other with hot and cold water unit (2) through heat exchange gas approach (5); The cooling water system of hot and cold water unit (2) is connected with cooling tower (4), and hot and cold water unit (2) also is connected with terminal use (7) through connecting pipeline.
2. a kind of device that reclaims industrial heat treatment smoke discharging residual heat according to claim 1; It is characterized in that: heat treatment system (16) comprises chimney (1) and annealing device (3); Chimney (1) is connected with annealing device (3) through bypass flue (6), and bypass flue (6) is provided with bypass damper (8); Annealing device (3) is connected with heat exchange gas approach (5).
3. a kind of device that reclaims industrial heat treatment smoke discharging residual heat according to claim 1 and 2; It is characterized in that: the pipeline that hot and cold water unit (2) connects cooling tower (4) is provided with cooling water pump (11), and the pipeline that hot and cold water unit (2) connects the terminal use is provided with feed pump (10).
4. a kind of device that reclaims industrial heat treatment smoke discharging residual heat according to claim 1 and 2 is characterized in that: heat exchange gas approach (5) is provided with heat exchange gas approach baffle plate (9).
5. a kind of device that reclaims industrial heat treatment smoke discharging residual heat according to claim 2 is characterized in that: hot and cold water unit (2) is provided with heat exchange exhaust pass (12), and heat exchange exhaust pass (12) is provided with heat exchange exhaust pass baffle plate (13) and air-introduced machine (14).
6. a kind of device that reclaims industrial heat treatment smoke discharging residual heat according to claim 5; It is characterized in that: the quantity of said heat treatment system (16) is 2 or 3; They insert hot and cold water unit (2) through heat exchange gas approach (5) separately, and link to each other with chimney (1) through heat exchange exhaust pass (12) separately.
7. a kind of device that reclaims industrial heat treatment smoke discharging residual heat according to claim 2; It is characterized in that: hot and cold water unit (2) is provided with heat exchange smoke evacuation chimney (15) and connects through heat exchange exhaust pass (12), and heat exchange exhaust pass (12) is provided with air-introduced machine (14).
8. a kind of device that reclaims industrial heat treatment smoke discharging residual heat according to claim 7; It is characterized in that: the quantity of said heat treatment system (16) is 2 or 3; They insert hot and cold water unit (2) through heat exchange gas approach (5) separately, and link to each other with heat exchange smoke evacuation chimney (15) through heat exchange exhaust pass (12) separately.
9. a kind of device that reclaims industrial heat treatment smoke discharging residual heat according to claim 7; It is characterized in that: the quantity of said heat treatment system (16) is 2 or 3; Hot and cold water unit (2) is inserted through a heat exchange gas approach (5) in their parallel connection backs, and links to each other with heat exchange smoke evacuation chimney (15) through a heat exchange exhaust pass (12).
10. a kind of device that reclaims industrial heat treatment smoke discharging residual heat according to claim 4 is characterized in that: also comprise a centralized control system (17), centralized control system (17) is located on the hot and cold water unit (2).
CN2012200772412U 2012-03-02 2012-03-02 Device for recovering flue gas waste heat generated by industrial heat treatment Expired - Fee Related CN202511638U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012200772412U CN202511638U (en) 2012-03-02 2012-03-02 Device for recovering flue gas waste heat generated by industrial heat treatment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012200772412U CN202511638U (en) 2012-03-02 2012-03-02 Device for recovering flue gas waste heat generated by industrial heat treatment

Publications (1)

Publication Number Publication Date
CN202511638U true CN202511638U (en) 2012-10-31

Family

ID=47064119

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012200772412U Expired - Fee Related CN202511638U (en) 2012-03-02 2012-03-02 Device for recovering flue gas waste heat generated by industrial heat treatment

Country Status (1)

Country Link
CN (1) CN202511638U (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102589306A (en) * 2012-03-02 2012-07-18 华电重工股份有限公司 Device for recovering waste heat of exhaust smoke in industrial heat treatment
CN103344123A (en) * 2013-07-09 2013-10-09 上海宝钢节能技术有限公司 Steel rolling production line smoke waste heat recovery system and waste heat recovery method
CN103484597A (en) * 2013-09-23 2014-01-01 宁波大学 Dust-removing and heat-recovering system for furnace gas of steel converter and processing method therefor
CN104215074A (en) * 2013-06-04 2014-12-17 宁夏嘉翔自控技术有限公司 Electrical automatic control system for flue gas waste heat utilization system of electrically calcined furnace
CN104729309A (en) * 2015-04-15 2015-06-24 南京工业大学 High-efficiency back-flushing decoking method for flue gas waste heat recovery system
CN105737440A (en) * 2014-12-08 2016-07-06 上海华恩利热能机器股份有限公司 Total heat recovery combustion gas-air energy composite heat pump hot-cold combined supply unit
CN108731490A (en) * 2018-06-20 2018-11-02 苏州领跑者能源科技有限公司 A kind of Novel flue gas waste heat circulation recovery system and method

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102589306A (en) * 2012-03-02 2012-07-18 华电重工股份有限公司 Device for recovering waste heat of exhaust smoke in industrial heat treatment
CN102589306B (en) * 2012-03-02 2014-04-09 华电重工股份有限公司 Device for recovering waste heat of exhaust smoke in industrial heat treatment
CN104215074A (en) * 2013-06-04 2014-12-17 宁夏嘉翔自控技术有限公司 Electrical automatic control system for flue gas waste heat utilization system of electrically calcined furnace
CN103344123A (en) * 2013-07-09 2013-10-09 上海宝钢节能技术有限公司 Steel rolling production line smoke waste heat recovery system and waste heat recovery method
CN103484597A (en) * 2013-09-23 2014-01-01 宁波大学 Dust-removing and heat-recovering system for furnace gas of steel converter and processing method therefor
CN103484597B (en) * 2013-09-23 2015-07-15 宁波大学 Dust-removing and heat-recovering system for furnace gas of steel converter and processing method therefor
CN105737440A (en) * 2014-12-08 2016-07-06 上海华恩利热能机器股份有限公司 Total heat recovery combustion gas-air energy composite heat pump hot-cold combined supply unit
CN104729309A (en) * 2015-04-15 2015-06-24 南京工业大学 High-efficiency back-flushing decoking method for flue gas waste heat recovery system
CN108731490A (en) * 2018-06-20 2018-11-02 苏州领跑者能源科技有限公司 A kind of Novel flue gas waste heat circulation recovery system and method

Similar Documents

Publication Publication Date Title
CN202511638U (en) Device for recovering flue gas waste heat generated by industrial heat treatment
CN101451748A (en) Solar energy-conserving system and method compensated by utilizing gas and electric energy
CN101871042A (en) Method and device for reusing flue gas waste heat of annealing furnace of continuous annealing unit
CN205316352U (en) RTO system with tail gas waste heat recovery function
CN102589306B (en) Device for recovering waste heat of exhaust smoke in industrial heat treatment
CN201841669U (en) Device for recovering heat energy of high-speed biaxially oriented polypropylene (BOPP) production line
CN202511637U (en) Industry exhaust smoke waste heat recovery device with air-water heat exchanger
CN102538493B (en) Device for using waste heat of high-temperature smoke of bath smelting furnace directly
CN201867081U (en) Waste heat utilization system for low-temperature smoke of heating furnace
CN201878692U (en) Waste heat recycling system for grain drying system
CN201266035Y (en) Pre-heating system for plate heat exchanger of hot-air furnace
CN203798205U (en) Industrial waste gas waste heat-recycling heat exchanging device
CN202581247U (en) Waste heat utilization system for natural gas burner
CN203024620U (en) Waste heat recovery device
CN203687651U (en) Heating furnace waste heat recovery device
CN105157028B (en) A kind of inducing free fan is without reversal valve steel/iron bag heat-accumulation combustion method and its device
CN202157087U (en) High-efficiency electric furnace steel making system
CN203687649U (en) Industrial furnace group waste heat recovery and comprehensive utilization system
CN102494539B (en) Cooler cascade air supply method for residual-heat utilization
CN206146214U (en) System for promote sintering flue -gas temperature
CN201662222U (en) Gas-liquid double-phase organic heat carrier boiler
CN104515402B (en) A kind of residual-heat utilization method of sintering system and device
CN103673649B (en) Waste heat recovery and comprehensive utilization system of industrial furnace group
CN202849237U (en) Waste heat recycling device of glass kiln
CN202692413U (en) System utilizing heat pump unit circulating water to heat natural gas

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121031

Termination date: 20180302