CN111735099B - Heat slow release method for heating system - Google Patents

Heat slow release method for heating system Download PDF

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Publication number
CN111735099B
CN111735099B CN202010463706.7A CN202010463706A CN111735099B CN 111735099 B CN111735099 B CN 111735099B CN 202010463706 A CN202010463706 A CN 202010463706A CN 111735099 B CN111735099 B CN 111735099B
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China
Prior art keywords
cooling water
water pipe
material layer
phase change
change material
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CN202010463706.7A
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Chinese (zh)
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CN111735099A (en
Inventor
王全福
王宇清
毕轶
苏德权
肖光华
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Weihai Yunyang Energy Saving Technology Co.,Ltd.
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Heilongjiang College of Construction
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D15/00—Other domestic- or space-heating systems
    • F24D15/02—Other domestic- or space-heating systems consisting of self-contained heating units, e.g. storage heaters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00—Arrangements of devices for treating smoke or fumes
    • F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
    • F23J15/025—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00—Arrangements of devices for treating smoke or fumes
    • F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F28D20/02—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat
    • F28D20/021—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat the latent heat storage material and the heat-exchanging means being enclosed in one container
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2217/00—Intercepting solids
    • F23J2217/10—Intercepting solids by filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2220/00—Components of central heating installations excluding heat sources
    • F24D2220/10—Heat storage materials, e.g. phase change materials or static water enclosed in a space
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14—Thermal energy storage

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Chimneys And Flues (AREA)

Abstract

A heat slow release method of a heat supply system belongs to the technical field of heat supply engineering. Discharging the boiler waste gas into a wide-mouth pipe, and carrying out primary cooling; filtering large-particle pollutants by a filter plate; performing secondary heat absorption through the phase change material layer; carrying out tertiary heat absorption through a first cooling water pipe network; the heat absorption is carried out for four times through a second cooling water pipe network; the filter plate shakes to avoid blockage; the first cooling water pipe network and the second cooling water pipe network flow through the phase change material layer, so that the phase change material layer is ensured to effectively absorb heat of the boiler exhaust gas. The invention ensures the effective implementation of the subsequent treatment, improves the efficiency of the whole process flow, saves time and labor and reduces the production cost.

Description

Heat slow release method for heating system
Technical Field
The invention relates to a heat slow-release method for a heat supply system, and belongs to the technical field of heat supply engineering.
Background
In most areas of China, heat needs to be supplied to the indoor space in winter. The existing heat supply mode of China still mainly supplies heat by burning coal through a boiler, the heat supply mode inevitably generates a large amount of harmful waste gas, and in order to accord with the current concept of energy conservation and environmental protection, effective treatment needs to be carried out when the waste gas is discharged, so that air pollution is avoided.
In the prior art, the waste gas discharged from a boiler needs to be cooled by a heat exchanger and then is subjected to subsequent pollution-free treatment. However, because the flue gas discharged from the boiler has a high temperature and contains a large amount of particulate matters, the heat exchanger is easily damaged when the flue gas instantly contacts the heat exchanger, so that the subsequent treatment cannot be effectively carried out, the efficiency of the whole process flow is influenced, time and labor are wasted, and the production cost is increased.
Disclosure of Invention
In order to solve the problems in the background art, the invention provides a heat slow release method for a heating system.
The invention adopts the following technical scheme: a heat quantity slow release method of a heating system is realized by a wide-mouth pipe, a filter plate, a phase change material layer, a first cooling water pipe net, a second cooling water pipe net and two springs, wherein the narrow-mouth end of the wide-mouth pipe is an air inlet end and is fixedly communicated with the air outlet end of a boiler exhaust pipe, the wide-mouth end of the wide-mouth pipe is an air outlet end and is fixedly communicated with a waste gas treatment device, the air outlet end is internally provided with the phase change material layer and the first cooling water pipe net, the phase change material layer is provided with a plurality of vent holes, the outer wall of the phase change material layer is fixedly connected with the inner wall of the wide-mouth pipe, the first cooling water pipe net is fixedly arranged at the upper end of the phase change material layer, the water inlet end and the water outlet end both extend out of the wide-mouth pipe, each cooling water pipe of the first cooling water pipe net is arranged in a mode, each cooling water pipe of the second cooling water pipe network is arranged with the first cooling water pipe network and the vent holes in an avoiding way; the filter plate is horizontally arranged inside the wide-mouth pipe, and the outer wall of the filter plate is tightly contacted with the inner wall of the wide-mouth pipe and is elastically connected with the wide-mouth pipe through a vertically arranged spring; the method comprises the following steps:
s1: discharging the boiler waste gas from a boiler exhaust pipe into a wide-mouth pipe, and primarily cooling the boiler waste gas;
s2: the boiler waste gas passes through a filter plate to filter large-particle pollutants in the boiler waste gas;
s3: the filter plate vertically shakes to avoid the screen mesh of the filter plate from being blocked;
s4: the boiler waste gas passes through a plurality of air holes of the phase change material layer, and the phase change material layer absorbs heat in the boiler waste gas and absorbs heat for the second time;
s5: cooling water in the first cooling water pipe network flows through the phase change material layer, so that the phase change material layer can effectively absorb heat of the boiler waste gas;
s6: the boiler waste gas passes through a first cooling water pipe network, and the first cooling water pipe network absorbs heat of the boiler waste gas for three times;
s7: boiler waste gas passes through second cooling water pipe network, and second cooling water pipe network carries out the quartic heat absorption to boiler waste gas, guarantees simultaneously that the phase change material layer is effective to boiler waste gas heat absorption.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the primary heat absorption and cooling of the boiler waste gas are realized through the wide-mouth pipe, the secondary heat absorption and cooling of the boiler waste gas are realized through the phase change material layer, the tertiary heat absorption and cooling of the boiler waste gas are realized through the first cooling water pipe network, the quartic heat absorption and cooling of the boiler waste gas are realized through the second cooling water pipe network, meanwhile, the phase change material layer can be cooled through the first cooling water pipe network and the second cooling water pipe network, the effective cooling of the boiler waste gas by the phase change material layer is ensured, in addition, the filter plate is also arranged, the particle pollutants can be primarily filtered, the effective proceeding of the subsequent treatment is ensured, the efficiency of the whole process flow is improved, the time and the labor are.
Drawings
FIG. 1 is a schematic view of the structure of an apparatus used in the present invention;
FIG. 2 is a top view of the phase change material layer and the first cooling water network.
Detailed Description
The technical solutions in the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the invention, rather than all embodiments, and all other embodiments obtained by those skilled in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.
The first embodiment is as follows: as shown in figures 1-2, the invention discloses a heat quantity slow release method of a heat supply system, which is realized by a wide-mouth pipe 1, a filter plate 2, a phase change material layer 4, a first cooling water pipe network 6, a second cooling water pipe network 7 and two springs 3, wherein the narrow-mouth end of the wide-mouth pipe 1 is an air inlet end which is fixedly communicated with the air outlet end of a boiler exhaust pipe through a flange plate, the wide-mouth end of the wide-mouth pipe 1 is an air outlet end which is fixedly communicated with a waste gas treatment device through the flange plate, the air outlet end is internally provided with the phase change material layer 4 and the first cooling water pipe network 6, the phase change material layer 4 is provided with a plurality of vent holes 5 penetrating through the thickness direction thereof, the outer wall of the phase change material layer is fixedly connected with the inner wall of the wide-mouth pipe 1, the first cooling water pipe network 6 is fixedly arranged at the upper end of the phase change material, each cooling water pipe of the first cooling water pipe network 6 is arranged in a way of avoiding the vent holes 5, the second cooling water pipe network 7 is vertically arranged, the lower end of the second cooling water pipe network is fixedly extended into the phase change material layer 4, and each cooling water pipe of the second cooling water pipe network 7 is arranged in a way of avoiding the first cooling water pipe network 6 and the vent holes 5; the filter plate 2 is horizontally arranged inside the wide-mouth pipe 1, the outer wall of the filter plate 2 is tightly contacted with the inner wall of the wide-mouth pipe 1, and two ends of the filter plate are respectively and elastically connected with the wide-mouth pipe 1 through corresponding vertically arranged springs 3; the method comprises the following steps:
s1: the boiler waste gas is discharged into the wide-mouth pipe 1 from the boiler exhaust pipe, the wide-mouth design can enlarge the occupied area of the waste gas in unit volume, so that the molecular distance is enlarged, the air flow rate is accelerated, and the primary cooling is carried out on the boiler waste gas;
s2: the boiler waste gas passes through the filter plate 2 to filter large-particle pollutants in the boiler waste gas;
s3: under the action of gas flow, the filter plate 2 can vertically shake due to the action of the spring 3, so that pollutants attached to the filter plate can be shaken off, the screen mesh of the filter plate 2 is prevented from being blocked, and the normal passing of boiler waste gas is ensured;
s4: the boiler waste gas passes through the plurality of air holes 5 of the phase change material layer 4, and the phase change material layer 4 absorbs heat in the boiler waste gas to absorb heat for the second time;
s5: the cooling water in the first cooling water pipe network 6 flows through the phase change material layer 4 to absorb heat to the phase change material layer 4, so that the phase change material layer 4 is cooled, and then the phase change material layer 4 is ensured to effectively absorb heat to the boiler exhaust gas;
s6: the boiler exhaust gas passes through a first cooling water pipe network 6, and the first cooling water pipe network 6 absorbs heat of the boiler exhaust gas for three times;
s7: boiler waste gas passes through second cooling water pipe net 7, and second cooling water pipe net 7 carries out the quartic heat absorption to boiler waste gas, also can lower the temperature to phase change material layer 4 simultaneously, guarantees then that phase change material layer 4 is effective to boiler waste gas heat absorption.
The second embodiment is as follows: as shown in fig. 2, the present embodiment is further described with respect to the first embodiment, and the plurality of ventilation holes 5 are arranged in an array.
The third concrete implementation mode: as shown in fig. 1 and 2, in the present embodiment, a second embodiment is further described, in which the first cooling water tube network 6 and the second cooling water tube network 7 are provided at equal intervals.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (3)

1. A heat quantity slow release method of a heat supply system is realized by a wide-mouth pipe (1), a filter plate (2), a phase change material layer (4), a first cooling water pipe network (6), a second cooling water pipe network (7) and two springs (3), wherein the narrow-mouth end of the wide-mouth pipe (1) is an air inlet end and is fixedly communicated with the air outlet end of a boiler exhaust pipe, the wide-mouth end of the wide-mouth pipe (1) is an air outlet end and is fixedly communicated with an exhaust gas treatment device, the phase change material layer (4) and the first cooling water pipe network (6) are arranged in the air outlet end, the phase change material layer (4) is provided with a plurality of air vents (5), the outer wall of the phase change material layer is fixedly connected with the inner wall of the wide-mouth pipe (1), the first cooling water pipe network (6) is fixedly arranged at the upper end of the phase change material layer (4), and the water inlet end and the water outlet, each cooling water pipe of the first cooling water pipe network (6) is arranged in a mode of avoiding the vent hole (5), the lower end of the second cooling water pipe network (7) fixedly extends into the phase change material layer (4), and each cooling water pipe of the second cooling water pipe network (7) is arranged in a mode of avoiding the first cooling water pipe network (6) and the vent hole (5); the filter plate (2) is horizontally arranged inside the wide-mouth pipe (1), the outer wall of the filter plate (2) is tightly contacted with the inner wall of the wide-mouth pipe (1) and is elastically connected with the wide-mouth pipe (1) through a vertically arranged spring (3); the method is characterized in that: the method comprises the following steps:
s1: the boiler waste gas is discharged into the wide-mouth pipe (1) from a boiler exhaust pipe, and the primary cooling is carried out on the boiler waste gas;
s2: the boiler waste gas passes through the filter plate (2) to filter large-particle pollutants in the boiler waste gas;
s3: the filter plate (2) vertically shakes to avoid the screen mesh of the filter plate (2) from being blocked;
s4: the boiler waste gas passes through the plurality of air holes (5) of the phase change material layer (4), and the phase change material layer (4) absorbs heat in the boiler waste gas and absorbs heat for the second time;
s5: cooling water in the first cooling water pipe network (6) flows through the phase change material layer (4) to ensure that the phase change material layer (4) effectively absorbs heat of the boiler exhaust gas;
s6: the boiler waste gas passes through a first cooling water pipe network (6), and the first cooling water pipe network (6) absorbs heat of the boiler waste gas for three times;
s7: boiler waste gas passes through second cooling water pipe net (7), and second cooling water pipe net (7) carry out the quartic heat absorption to boiler waste gas, guarantee phase change material layer (4) effectively to boiler waste gas heat absorption simultaneously.
2. A method for slowly releasing heat of a heating system according to claim 1, characterized in that: the plurality of vent holes (5) are arranged in an array.
3. A method for slowly releasing heat of a heating system according to claim 2, characterized in that: the first cooling water pipe network (6) and the second cooling water pipe network (7) are arranged with equal distance between each other.
CN202010463706.7A 2020-05-27 2020-05-27 Heat slow release method for heating system Active CN111735099B (en)

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CN111735099B true CN111735099B (en) 2021-06-01

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203540704U (en) * 2013-10-11 2014-04-16 浙江菲达环保科技股份有限公司 Integrated flue gas residual heat recovery low-temperature electric precipitator
KR101652164B1 (en) * 2014-07-10 2016-09-09 주식회사 포스코건설 Particles pre-treatment process device of boiler and exhausting gas treatment method of heating power station using the same
CN208161369U (en) * 2018-03-09 2018-11-30 上海电力学院 A kind of efficient catalytic denitrification apparatus of phase-change temperature control
CN109621710A (en) * 2018-12-28 2019-04-16 中国化学工程第六建设有限公司 Low-temperature denitrifying system and method for denitration
KR102017289B1 (en) * 2017-09-29 2019-10-21 청주자원화 (주) Process for preparing feed in liquid and solid from food waste
CN210292927U (en) * 2019-05-14 2020-04-10 山东萨尔帕环保科技有限公司 Smoke waste heat recovery and white smoke elimination device for thermal power plant

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203540704U (en) * 2013-10-11 2014-04-16 浙江菲达环保科技股份有限公司 Integrated flue gas residual heat recovery low-temperature electric precipitator
KR101652164B1 (en) * 2014-07-10 2016-09-09 주식회사 포스코건설 Particles pre-treatment process device of boiler and exhausting gas treatment method of heating power station using the same
KR102017289B1 (en) * 2017-09-29 2019-10-21 청주자원화 (주) Process for preparing feed in liquid and solid from food waste
CN208161369U (en) * 2018-03-09 2018-11-30 上海电力学院 A kind of efficient catalytic denitrification apparatus of phase-change temperature control
CN109621710A (en) * 2018-12-28 2019-04-16 中国化学工程第六建设有限公司 Low-temperature denitrifying system and method for denitration
CN210292927U (en) * 2019-05-14 2020-04-10 山东萨尔帕环保科技有限公司 Smoke waste heat recovery and white smoke elimination device for thermal power plant

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Effective date of registration: 20230329

Address after: 230000 B-2704, wo Yuan Garden, 81 Ganquan Road, Shushan District, Hefei, Anhui.

Patentee after: HEFEI LONGZHI ELECTROMECHANICAL TECHNOLOGY Co.,Ltd.

Address before: 150000 Xueyuan Road, Limin Development Zone, Hulan District, Harbin City, Heilongjiang Province

Patentee before: HEILONGJIANG College OF CONSTRUCTION

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Effective date of registration: 20230411

Address after: No. 501, Area A, Gaofa Building, Wenhua West Road, Weihai City, Shandong Province, 264200

Patentee after: Weihai Yunyang Energy Saving Technology Co.,Ltd.

Address before: 230000 B-2704, wo Yuan Garden, 81 Ganquan Road, Shushan District, Hefei, Anhui.

Patentee before: HEFEI LONGZHI ELECTROMECHANICAL TECHNOLOGY Co.,Ltd.