CN204987866U - Two waste heat recovery systems of recycling that press of tunnel cave - Google Patents

Two waste heat recovery systems of recycling that press of tunnel cave Download PDF

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Publication number
CN204987866U
CN204987866U CN201520708590.3U CN201520708590U CN204987866U CN 204987866 U CN204987866 U CN 204987866U CN 201520708590 U CN201520708590 U CN 201520708590U CN 204987866 U CN204987866 U CN 204987866U
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CN
China
Prior art keywords
kiln
flue gas
pressure
connects
heat recovery
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Expired - Fee Related
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CN201520708590.3U
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Chinese (zh)
Inventor
李冬庆
吴斌
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SHANGHAI TELLHOW INTELLIGENT TECHNOLOGY CO LTD
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SHANGHAI TELLHOW INTELLIGENT TECHNOLOGY CO LTD
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Priority to CN201520708590.3U priority Critical patent/CN204987866U/en
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Publication of CN204987866U publication Critical patent/CN204987866U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/25Process efficiency
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00Climate change mitigation technologies for sector-wide applications
    • Y02P80/10Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
    • Y02P80/15On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply

Abstract

The utility model discloses a two waste heat recovery systems of recycling that press of tunnel cave, including electric heating pipe, preheat kiln, calcining kiln, high temperature flue gas pipeline, electrostatic precipitator device, steam turbine, two heat recovery device, low -pressure drum, middling pressure steam pocket, cooling kiln, flue gas circulation pipeline and circulating fan B in advance of pressing, preheating the kiln slope and upwards connecting the one end of calcining kiln, the decurrent cooling kiln of slope is connected to the other end of calcining kiln, and electric heating pipe and electrostatic precipitator device are connected through the transformer to the power output end of the top connection high temperature flue gas pipeline steam turbine of calcining kiln, and electric heating pipe sets up on the kiln wall that preheats the kiln, and the electrostatic precipitator device is installed on high temperature flue gas pipeline simultaneously. This practicality utilizes high temperature flue gas pipeline to press heat recovery device in advance with two, convert the heat into electric energy, and the high -efficient lasting work of heat recovery can not only be guaranteed to the electrostatic precipitator device on the high temperature flue gas pipeline, can also guarantee that zero particulate matter discharges, plays the effect of environmental protection.

Description

A kind of tunnel cave two pressure waste heat recovery reutilization system
Technical field
The utility model relates to a kind of waste heat recovery reutilization system, specifically a kind of tunnel cave two pressure waste heat recovery reutilization system.
Background technology
At present, tunnel cave needs combustion fuel in production process (as material), produces a large amount of waste heat flue gases, and the product needed that process of passing through tunnel klining becomes simultaneously carries out preheating and cooling.The flue-gas temperature of discharging kiln body in existing tunnel kiln after fuel combustion reaches 400 ~ 500 DEG C, and this waste heat is not well utilized in process of production, is discharged in air in vain, causes a large amount of wastes of heat; Tunnel cave burns till product and has very high temperature in addition, and usually adopt water-spraying control cooling to burn till product, this type of cooling not only has influence on the quality of product, also consumes a large amount of water resources simultaneously, creates large amount of sewage.
Utility model content
The purpose of this utility model is to provide a kind of tunnel cave two pressure waste heat recovery reutilization system, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of tunnel cave two pressure waste heat recovery reutilization system, comprise electric heating tube, preheating kiln, calcining kiln, high-temperature flue gas pipeline, electrostatic precipitator, steam turbine, the pre-heat regenerator of two pressure, low-pressure drum, middle pressure drum, cooling kiln, flue gas recirculation pipeline and circulating fan B, described preheating kiln tilts upward the one end connecting calcining kiln, the other end of calcining kiln connects the cooling kiln under being tilted to, the top of calcining kiln connects high-temperature flue gas pipeline, the bottom of described cooling kiln connects the bottom of preheating kiln by flue gas recirculation pipeline, and flue gas recirculation pipeline installs circulating fan B, described high-temperature flue gas pipeline connects the top air inlet of the pre-heat regenerator of two pressure, the internal series-connection of the pre-heat regenerator of two pressure arranges two sections heat exchanger tube, and two sections heat exchanger tube is connected with middle pressure drum and low-pressure drum respectively, wherein the output port of two sections heat exchanger tube connects the admission end of steam turbine, the steam output end of steam turbine connects the input of two sections heat exchanger tube, the power output end of steam turbine connects electric heating tube and electrostatic precipitator by transformer, and electric heating tube is arranged on the kiln wall of preheating kiln, and electrostatic precipitator is arranged on high-temperature flue gas pipeline simultaneously.
As further program of the utility model: preheating kiln, all arrange electric gate valve between calcining kiln and cooling kiln.
As further program of the utility model: described low-pressure drum connects exchange media input channel, connect boiler by exchange media input channel, mounting filter on exchange media input channel.
As further program of the utility model: steam turbine connects battery system.
As further program of the utility model: the gas outlet, bottom of the pre-heat regenerator of described two pressure connects chimney and cooling kiln, and pipeline between the pre-heat regenerator of two pressure and cooling kiln arranges circulating fan A.
Compared with prior art, the beneficial effects of the utility model are: this practicality adopts the gradient to arrange preheating kiln, relation between calcining kiln and cooling kiln, heat is impelled to concentrate, and impel the hot-air in cooling kiln and flue gas to enter into the pre-hot product of preheating kiln by circulating fan B, directly recycle heat; This practicality utilizes high-temperature flue gas pipeline to press pre-heat regenerator with two; heat is converted to electric energy, and the electrostatic precipitator on high-temperature flue gas pipeline, the work of heat recovery high-efficient and lasting can not only be ensured; can also ensure that zero is granular material discharged, play the effect of protection of the environment.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, in the utility model embodiment, a kind of tunnel cave two pressure waste heat recovery reutilization system, comprises electric gate valve 1, electric heating tube 2, preheating kiln 3, calcining kiln 4, high-temperature flue gas pipeline 5, electrostatic precipitator 6, steam turbine 7, the pre-heat regenerator 8 of two pressure, low-pressure drum 9, middle pressure drum 10, chimney 11, circulating fan A12, filter 13, cooling kiln 14, flue gas recirculation pipeline 15 and circulating fan B16, described preheating kiln 3 tilts upward the one end connecting calcining kiln 4, the other end of calcining kiln 4 connects the cooling kiln 14 under being tilted to, the top of calcining kiln 4 connects high-temperature flue gas pipeline 5, utilize the principle that hot-air rises, heat is concentrated to calcining kiln 4, also high-temperature flue gas is impelled to concentrate to high-temperature flue gas pipeline 5 pipeline, prevent high-temperature flue gas from flowing out from the side, the bottom of described cooling kiln 14 connects the bottom of preheating kiln 3 by flue gas recirculation pipeline 15, and flue gas recirculation pipeline 15 installs circulating fan B16, the hot-air in cooling kiln 14 and flue gas is impelled to enter into preheating kiln 3 by circulating fan B16, direct recycling preheating, preheating kiln 3, between calcining kiln 4 and cooling kiln 14, electric gate valve 1 is all set, thus forms the space of UNICOM and independent closed,
Described high-temperature flue gas pipeline 5 connects the top air inlet of the pre-heat regenerator 8 of two pressure, the internal series-connection of the pre-heat regenerator 8 of two pressure arranges two sections heat exchanger tube, and two sections heat exchanger tube is connected with middle pressure drum 10 and low-pressure drum 9 respectively, the pressure of steam in two sections heat exchanger tube is ensured by middle pressure drum 10 and low-pressure drum 9, wherein the output port of two sections heat exchanger tube connects the admission end of steam turbine 7, the steam output end of steam turbine 7 connects the input of two sections heat exchanger tube, described low-pressure drum 9 connects exchange media input channel, the equipment that boiler etc. has steam output is connected by exchange media input channel, waste is avoided while reclaiming heat, mounting filter 13 on exchange media input channel, avoid circulation impurities in water blocking pipe,
Steam turbine 7 connects battery system, for storing electricity, the power output end of steam turbine 7 connects electric heating tube 2 and electrostatic precipitator 6 by transformer simultaneously, electric heating tube 2 is arranged on the kiln wall of preheating kiln 3, for heating preheating kiln 3, play the effect of rapidly pre-warming, electrostatic precipitator 6 is arranged on high-temperature flue gas pipeline 5 simultaneously, electrostatic precipitator 6 can particle effectively in absorbing high temp flue gas, particle is prevented to be adsorbed on the two sections heat exchanger tube surface of pre-heat regenerator 8 inside of two pressure, avoid affecting heat recovery, keep the work of steam turbine 7 high-efficient and lasting, be conducive to energy regenerating.
The gas outlet, bottom of the pre-heat regenerator 8 of described two pressure connects chimney 11 and cooling kiln 14, and pipeline between the pre-heat regenerator 8 of two pressure and cooling kiln 14 arranges circulating fan A12, promote that cooling kiln 14 cools, coordinate electrostatic precipitator 6 simultaneously, realize dustlessizationization smoke evacuation, cleaner.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this description is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should by description integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.

Claims (5)

1. tunnel cave two pressure waste heat recovery reutilization system, comprise electric heating tube, preheating kiln, calcining kiln, high-temperature flue gas pipeline, electrostatic precipitator, steam turbine, the pre-heat regenerator of two pressure, low-pressure drum, middle pressure drum, cooling kiln, flue gas recirculation pipeline and circulating fan B, it is characterized in that, described preheating kiln tilts upward the one end connecting calcining kiln, the other end of calcining kiln connects the cooling kiln under being tilted to, the top of calcining kiln connects high-temperature flue gas pipeline, the bottom of described cooling kiln connects the bottom of preheating kiln by flue gas recirculation pipeline, and flue gas recirculation pipeline installs circulating fan B, described high-temperature flue gas pipeline connects the top air inlet of the pre-heat regenerator of two pressure, the internal series-connection of the pre-heat regenerator of two pressure arranges two sections heat exchanger tube, and two sections heat exchanger tube is connected with middle pressure drum and low-pressure drum respectively, wherein the output port of two sections heat exchanger tube connects the admission end of steam turbine, the steam output end of steam turbine connects the input of two sections heat exchanger tube, the power output end of steam turbine connects electric heating tube and electrostatic precipitator by transformer, and electric heating tube is arranged on the kiln wall of preheating kiln, and electrostatic precipitator is arranged on high-temperature flue gas pipeline simultaneously.
2. a kind of tunnel cave according to claim 1 two pressure waste heat recovery reutilization system, is characterized in that, preheating kiln, all arranges electric gate valve between calcining kiln and cooling kiln.
3. a kind of tunnel cave according to claim 1 two pressure waste heat recovery reutilization system, it is characterized in that, described low-pressure drum connects exchange media input channel, connects boiler, mounting filter on exchange media input channel by exchange media input channel.
4. a kind of tunnel cave according to claim 1 two pressure waste heat recovery reutilization system, it is characterized in that, steam turbine connects battery system.
5. a kind of tunnel cave according to claim 1 two pressure waste heat recovery reutilization system, it is characterized in that, the gas outlet, bottom of the pre-heat regenerator of described two pressure connects chimney and cooling kiln, and pipeline between the pre-heat regenerator of two pressure and cooling kiln arranges circulating fan A.
CN201520708590.3U 2015-09-14 2015-09-14 Two waste heat recovery systems of recycling that press of tunnel cave Expired - Fee Related CN204987866U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520708590.3U CN204987866U (en) 2015-09-14 2015-09-14 Two waste heat recovery systems of recycling that press of tunnel cave

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520708590.3U CN204987866U (en) 2015-09-14 2015-09-14 Two waste heat recovery systems of recycling that press of tunnel cave

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109761520A (en) * 2019-03-29 2019-05-17 郑州三迪建筑科技有限公司 A kind of preheating kiln before ardealite calcining

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109761520A (en) * 2019-03-29 2019-05-17 郑州三迪建筑科技有限公司 A kind of preheating kiln before ardealite calcining

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

Granted publication date: 20160120

Termination date: 20210914

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