CN203501820U - Industrial-kiln smoke residual-heat refrigerating and heating system - Google Patents
Industrial-kiln smoke residual-heat refrigerating and heating system Download PDFInfo
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- CN203501820U CN203501820U CN201320610813.3U CN201320610813U CN203501820U CN 203501820 U CN203501820 U CN 203501820U CN 201320610813 U CN201320610813 U CN 201320610813U CN 203501820 U CN203501820 U CN 203501820U
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- smoke
- machine
- kiln
- heating system
- lithium bromide
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
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Abstract
The utility model relates to an industrial-kiln smoke residual-heat refrigerating and heating system. The industrial-kiln smoke residual-heat refrigerating and heating system comprises an industrial kiln (1), a pressure fan (5), a kiln smoke exhaust flue (3) and a kiln chimney (4). The industrial-kiln smoke residual-heat refrigerating and heating system is characterized by being additionally provided with a smoke residual-heat type lithium bromide absorption refrigerator, a draft fan (10), a lithium bromide absorption refrigerator smoke inlet pipe (6) and a lithium bromide absorption refrigerator smoke exhaust pipe (9), wherein the smoke inlet end of the lithium bromide absorption refrigerator smoke inlet pipe (6) is connected with the kiln smoke exhaust flue (3), the lithium bromide absorption refrigerator smoke inlet pipe (6) is provided with a smoke valve (7), the draft fan (10) is arranged on the lithium bromide absorption refrigerator smoke exhaust pipe (9), and a draft fan smoke exhaust chimney (11) is arranged at the smoke outlet end of the draft fan (10) in a connected mode. The industrial-kiln smoke residual-heat refrigerating and heating system can substantially increase the fuel heat utilization rate of the industrial kiln.
Description
Technical field
The present invention relates to a kind of industrial furnace smoke utilizing waste heat for refrigeration heating system.Belong to air conditioner technical field.
Background technology
Industrial Stoves are widely used in the industries such as pottery, cement, glass, metallurgy, iron and steel and metal processing.Most burning fuel oils (heavy oil, fuel oil), combustion gas (natural gas, coal gas) operation.Exhaust gas temperature higher (up to 500 ℃～600 ℃), heat loss due to exhaust gas is large, and energy consumption is high.The energy consumption rich and influential family who belongs to industrial circle.Industrial Stoves manufacturer and application enterprise all pay much attention to the efficiency that improves Industrial Stoves all the time.To save the energy and to increase economic efficiency.The large-sized industrial kiln of the sector application such as cement and glass generally all disposes waste heat boiler simultaneously, utilizes the fume afterheat heating waste heat boiler of Industrial Stoves to produce steam.This steam can be used for generating, technique heating or life vapour.But the medium and small Industrial Stoves of majority of the sector applications such as metallurgy, iron and steel and metal processing, because exhaust smoke level is relatively little, be not suitable for configuring waste heat boiler, mostly adopt the fume afterheat shown in Fig. 1 to utilize mode, air preheater 2 is set in kiln exit flue 3, utilize the fume afterheat of kiln discharge to carry out preheating to combustion air, to reduce exhaust gas temperature, improve the air themperature that enters kiln simultaneously, reduce fuel consumption, energy utilization rate and performance driving economy are all improved.But this UTILIZATION OF VESIDUAL HEAT IN technology is limited to the recovery utilization rate of fume afterheat, the flue-gas temperature that enter kiln chimney 4 after air preheater, finally enters atmosphere still up to 300 ℃～400 ℃, fume afterheat is still underutilized.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, the industrial furnace smoke utilizing waste heat for refrigeration heating system that provides a kind of fuel heat utilization ratio that makes Industrial Stoves to be greatly improved.
The object of the present invention is achieved like this: a kind of industrial furnace smoke utilizing waste heat for refrigeration heating system, this system comprises Industrial Stoves, pressure fan, kiln exit flue and kiln chimney, it is characterized in that: described system has additional fume afterheat type lithium-bromide absorption-type refrigerating machine, air-introduced machine, bromine cooling machine smoke-intake pipe and bromine cooling machine smoke exhaust pipe, wherein, the gas approach end of bromine cooling machine smoke-intake pipe is connected on kiln exit flue, on bromine cooling machine smoke-intake pipe, be provided with smoke valve, air-introduced machine is arranged on bromine cooling machine smoke exhaust pipe, the smoke outlet of air-introduced machine is installed and is connected with air-introduced machine chimney.
Industrial furnace smoke utilizing waste heat for refrigeration heating system of the present invention arranges air preheater in described kiln exit flue simultaneously.
Industrial furnace smoke utilizing waste heat for refrigeration heating system of the present invention, described fume afterheat type lithium-bromide absorption-type refrigerating machine is flue gas type lithium bromide adsorption water chilling unit, flue gas type cold/hot water machine of lithium bromide group, flue gas fuel supplementing type lithium bromide adsorption water chilling unit or flue gas fuel supplementing type cold/hot water machine of lithium bromide group.
Industrial furnace smoke utilizing waste heat for refrigeration heating system of the present invention, described flue gas fuel supplementing type cold/hot water machine of lithium bromide group is connected with bromine cooling machine fuel inlet tube and bromine cooling machine afterburning chimney.
Industrial furnace smoke utilizing waste heat for refrigeration heating system of the present invention, described smoke valve adopts motor-driven valve, pneumatic operated valve or hand-operated valve.
Industrial furnace smoke utilizing waste heat for refrigeration heating system of the present invention, air-introduced machine chimney independently arranges, or is incorporated to kiln chimney.
The invention has the beneficial effects as follows:
The present invention by setting up fume afterheat type lithium-bromide absorption-type refrigerating machine, air-introduced machine, smoke valve and flue gas connecting pipe in the exit flue of Industrial Stoves, utilize the waste heat flue gas of Industrial Stoves discharge to drive fume afterheat type lithium-bromide absorption-type refrigerating machine refrigeration (heat) operation, cold (heat) water for air-conditioning or technique is provided, the flue-gas temperature of Industrial Stoves discharge is reduced to below 170 ℃ simultaneously, the fuel heat utilization ratio of Industrial Stoves is greatly improved, and saves a large amount of air-conditionings or technique cooling (heat) energy consumption.
Accompanying drawing explanation
Fig. 1 is the structural representation of industrial furnace smoke utilizing waste heat for refrigeration heating system in the past.
Fig. 2 is industrial furnace smoke utilizing waste heat for refrigeration heating system embodiment of the present invention 1 structural representation.
Fig. 3 is industrial furnace smoke utilizing waste heat for refrigeration heating system embodiment of the present invention 2 structural representations.
Fig. 4 is industrial furnace smoke utilizing waste heat for refrigeration heating system embodiment of the present invention 3 structural representations.
Fig. 5 is industrial furnace smoke utilizing waste heat for refrigeration heating system embodiment of the present invention 4 structural representations.
Reference numeral in figure:
Kiln exit flue 3
Bromine cooling machine smoke-intake pipe 6
Flue gas type cold/hot water machine of lithium bromide group 8
Bromine cooling machine smoke exhaust pipe 9
Air-introduced machine 10
Air-introduced machine chimney 11
Bromine cooling machine cooling water inlet pipe 12
Bromine cooling machine cooling water outlet pipe 13
Bromine cooling machine cold (heat) water inlet pipe 14
Bromine cooling machine cold (heat) water outlet pipe 15
Bromine cooling machine fuel inlet tube 16
Bromine cooling machine afterburning chimney 17
Flue gas fuel supplementing type cold/hot water machine of lithium bromide group 18.
The specific embodiment
The present invention is industrial furnace smoke utilizing waste heat for refrigeration heating system as shown in Figure 2, and this system is the waste heat flue gas inlet tube of flue gas type cold/hot water machine of lithium bromide group by Industrial Stoves 1, pressure fan 5, kiln exit flue 3, flue gas type cold/hot water machine of lithium bromide group 8, air-introduced machine 10, bromine cooling machine smoke-intake pipe 6() and bromine cooling machine smoke exhaust pipe 9(be the waste heat smoke outlet tube of flue gas type cold/hot water machine of lithium bromide group) form.Wherein, the gas approach end of bromine cooling machine smoke-intake pipe 6 is connected on kiln exit flue 3, is provided with smoke valve 7 on bromine cooling machine smoke-intake pipe 6, and general motor-driven valve or the pneumatic operated valve of adopting of this smoke valve 7, also can adopt hand-operated valve.Air-introduced machine 10 is arranged on bromine cooling machine smoke exhaust pipe 9, and the smoke outlet of air-introduced machine 10 is installed and is connected with air-introduced machine chimney 11.Air-introduced machine chimney 11 both can independently arrange (shown in Fig. 2), also can be incorporated to shown in kiln chimney 4(Fig. 3), to reduce chimney magnitude setting.In kiln exit flue 3, can arrange shown in air preheater 2(Fig. 4) simultaneously.
In Fig. 2, Fig. 3, Fig. 4 system, when Industrial Stoves operations, while having surplus heat flue gas, 8 groups of startup operations of flue gas type cold/hot water machine of lithium bromide, smoke valve 7 is opened, air-introduced machine 10 starts operation, the part or all of waste heat flue gas that in kiln exit flue, temperature is higher is by induced draft blower withdraws, through bromine cooling machine smoke-intake pipe 6, enter flue gas type cold/hot water machine of lithium bromide group 8, drive 8 refrigeration (heat) operations of flue gas type cold/hot water machine of lithium bromide group, cold (heat) water for air-conditioning or technique is externally provided; Go out the waste heat flue gas after flue gas type cold/hot water machine of lithium bromide group 8, temperature reduction, through bromine cooling machine smoke exhaust pipe 9, air-introduced machine 10 and air-introduced machine chimney 11, enter atmosphere, thereby realize flue gas type cold/hot water machine of lithium bromide group and Industrial Stoves coordinated operation, utilize fume afterheat refrigeration, heat supply.Into and out of the waste heat flue gas flow of flue gas type cold/hot water machine of lithium bromide group, by the control system of flue gas type cold/hot water machine of lithium bromide group according to refrigeration (heat) the required heat that adds of loading, by the operation of air-introduced machine is controlled to regulate control.Residue flue gas in kiln exit flue, under the effect of kiln chimney self draft power, enters atmosphere through kiln chimney.
When flue gas type cold/hot water machine of lithium bromide group is stopped transport, air-introduced machine stall, smoke valve is closed, and the waste heat flue gas in kiln exit flue, under the effect of kiln chimney self draft power, enters atmosphere through kiln chimney, i.e. the Industrial Stoves independent operating that can do as usual.
If the flue gas type cold/hot water machine of lithium bromide group (shown in Fig. 5) replacing in Fig. 2, Fig. 3, Fig. 4 by flue gas fuel supplementing type cold/hot water machine of lithium bromide group 18, when Industrial Stoves exhaust smoke level deficiency or Industrial Stoves stoppage in transit, flue gas fuel supplementing type cold/hot water machine of lithium bromide group 18 can start combustion-compensating device heating operation, to meet refrigeration, heat demand.Flue gas fuel supplementing type cold/hot water machine of lithium bromide group 18 needs to install connection bromine cooling machine fuel inlet tube 16 and bromine cooling machine afterburning chimney 17.
For only needing cooling, do not need the application places of heat supply, available flue gas type or flue gas fuel supplementing type lithium bromide adsorption water chilling unit replace flue gas type or flue gas fuel supplementing type cold/hot water machine of lithium bromide group (figure is slightly).
Claims (6)
1. an industrial furnace smoke utilizing waste heat for refrigeration heating system, this system comprises Industrial Stoves (1), pressure fan (5), kiln exit flue (3) and kiln chimney (4), it is characterized in that: described system has additional fume afterheat type lithium-bromide absorption-type refrigerating machine, air-introduced machine (10), bromine cooling machine smoke-intake pipe (6) and bromine cooling machine smoke exhaust pipe (9), wherein, the gas approach end of bromine cooling machine smoke-intake pipe (6) is connected on kiln exit flue (3), on bromine cooling machine smoke-intake pipe (6), be provided with smoke valve (7), air-introduced machine (10) is arranged on bromine cooling machine smoke exhaust pipe (9), the smoke outlet of air-introduced machine (10) is installed and is connected with air-introduced machine chimney (11).
2. a kind of industrial furnace smoke utilizing waste heat for refrigeration heating system according to claim 1, is characterized in that: air preheater (2) is set in described kiln exit flue (3) simultaneously.
3. a kind of industrial furnace smoke utilizing waste heat for refrigeration heating system according to claim 1 and 2, is characterized in that: described fume afterheat type lithium-bromide absorption-type refrigerating machine is flue gas type lithium bromide adsorption water chilling unit, flue gas type cold/hot water machine of lithium bromide group (8), flue gas fuel supplementing type lithium bromide adsorption water chilling unit or flue gas fuel supplementing type cold/hot water machine of lithium bromide group (18).
4. a kind of industrial furnace smoke utilizing waste heat for refrigeration heating system according to claim 3, is characterized in that: described flue gas fuel supplementing type cold/hot water machine of lithium bromide group (18) is connected with bromine cooling machine fuel inlet tube (16) and bromine cooling machine afterburning chimney (17).
5. a kind of industrial furnace smoke utilizing waste heat for refrigeration heating system according to claim 1 and 2, is characterized in that: described smoke valve (7) adopts motor-driven valve, pneumatic operated valve or hand-operated valve.
6. a kind of industrial furnace smoke utilizing waste heat for refrigeration heating system according to claim 1 and 2, is characterized in that: air-introduced machine chimney (11) is independent to be arranged, or is incorporated to kiln chimney (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320610813.3U CN203501820U (en) | 2013-09-30 | 2013-09-30 | Industrial-kiln smoke residual-heat refrigerating and heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320610813.3U CN203501820U (en) | 2013-09-30 | 2013-09-30 | Industrial-kiln smoke residual-heat refrigerating and heating system |
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| Publication Number | Publication Date |
|---|---|
| CN203501820U true CN203501820U (en) | 2014-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320610813.3U Expired - Fee Related CN203501820U (en) | 2013-09-30 | 2013-09-30 | Industrial-kiln smoke residual-heat refrigerating and heating system |
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| CN (1) | CN203501820U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486870A (en) * | 2013-09-30 | 2014-01-01 | 双良节能系统股份有限公司 | Smoke waste heat refrigeration and heating supply system of industrial kiln stove |
-
2013
- 2013-09-30 CN CN201320610813.3U patent/CN203501820U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486870A (en) * | 2013-09-30 | 2014-01-01 | 双良节能系统股份有限公司 | Smoke waste heat refrigeration and heating supply system of industrial kiln stove |
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| 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: 20140326 Termination date: 20210930 |