CN113008025A - Energy-saving combustion system of bell-type annealing furnace - Google Patents

Energy-saving combustion system of bell-type annealing furnace Download PDF

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Publication number
CN113008025A
CN113008025A CN201911326298.4A CN201911326298A CN113008025A CN 113008025 A CN113008025 A CN 113008025A CN 201911326298 A CN201911326298 A CN 201911326298A CN 113008025 A CN113008025 A CN 113008025A
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CN
China
Prior art keywords
furnace
heat
fixedly arranged
pipe
energy
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.)
Pending
Application number
CN201911326298.4A
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Chinese (zh)
Inventor
陈豪
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.)
Wuxi Pengfeng Furnace Technology Co ltd
Original Assignee
Wuxi Pengfeng Furnace Technology 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 Wuxi Pengfeng Furnace Technology Co ltd filed Critical Wuxi Pengfeng Furnace Technology Co ltd
Priority to CN201911326298.4A priority Critical patent/CN113008025A/en
Publication of CN113008025A publication Critical patent/CN113008025A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B11/00—Bell-type furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/26—Methods of annealing
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0006—Details, accessories not peculiar to any of the following furnaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/004—Systems for reclaiming waste heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/008—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases cleaning gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D99/00—Subject matter not provided for in other groups of this subclass
    • F27D99/0001—Heating elements or systems
    • F27D99/0033—Heating elements or systems using burners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D99/00—Subject matter not provided for in other groups of this subclass
    • F27D99/0001—Heating elements or systems
    • F27D99/0033—Heating elements or systems using burners
    • F27D2099/0053—Burner fed with preheated gases
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)

Abstract

The invention discloses an energy-saving combustion system of a bell-type annealing furnace, which comprises a bottom furnace, wherein a furnace body is fixedly arranged at the top end of the bottom furnace, and an inner furnace is fixedly arranged in the furnace body. The invention guides the heat in the furnace body into the heat exchanger by opening the valve when the heat in the furnace body is excessive, performs preliminary heat distribution exchange to distribute and guide the heat, starts the air pump by the switch, guides the heat into the air pump by the heat conduction filter frame, the pipe body and the connecting conduit after the heat is preliminarily distributed and heated by the heat exchanger, simultaneously sucks combustion-supporting air into the air pump and mixes the air with the combustion-supporting air by the air inlet pipe arranged in the middle of the left side of the connecting conduit, and discharges the heat into the annular conduit by the mounting pipe to support combustion by the connecting pipe head and the nozzle.

Description

Energy-saving combustion system of bell-type annealing furnace
Technical Field
The invention relates to the technical field of annealing furnaces, in particular to an energy-saving combustion system of a hood-type annealing furnace.
Background
The annealing furnace is a metal heat treatment process which comprises the steps of slowly heating metal parts in different annealing furnaces to a certain temperature, preserving heat for a period of time, and then cooling at a proper speed (usually natural cooling, sometimes controlled cooling);
the traditional energy-saving combustion system of the bell-type annealing furnace has the following defects;
at present, an annealing furnace is a very important device in the process of manufacturing metal workpieces, and a common annealing furnace generates a large amount of heat in the working process, and only a part of the heat is used, so that the waste is caused.
Disclosure of Invention
The invention aims to provide an energy-saving combustion system of a hood-type annealing furnace, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an energy-saving combustion system of bell-type annealing furnace, includes the end stove, the fixed furnace body that is provided with in end stove top, the inside fixed interior stove that is provided with of furnace body, the inside bottom of furnace body is fixed all around and is provided with a plurality of shower nozzles, the fixed loop type pipe that is provided with in inside upper end of end stove, all fixed being provided with between loop type pipe top and the shower nozzle and connecting the tube head, the fixed heat exchanger that is provided with in furnace body upper end, the fixed heat conduction filter frame that is provided with in heat exchanger left side middle part, the fixed body that is provided with in furnace body left side lower extreme middle part, body bottom and heat conduction frame top fixed connection, the inside bottom middle part of heat conduction frame has the air pump through mount pad fixed mounting, the fixed connecting tube that is provided with between the inlet end of air pump and the bottom of body, the fixed intake pipe and intake pipe that are The frame is outside, the fixed switch that is provided with in heat conduction frame left side middle part, the switch passes through wire and air pump electric connection, the output of air pump passes the fixed installation pipe that is provided with of heat conduction frame, installation socle end passes end furnace and ring type pipe left side fixed connection.
Preferably, a valve head is fixedly arranged between the bottom end of the heat exchanger and the top end of the furnace body.
Preferably, a filter plate is fixedly arranged inside the heat conduction filter frame.
Preferably, the middle part of the top end of the heat conduction frame, the middle part of the left middle upper end and the middle part of the bottom end of the heat conduction frame are provided with mounting holes.
Preferably, the left side of the bottom furnace is provided with a connecting hole at a position opposite to the mounting pipe.
Preferably, mounting pins are fixedly arranged between the upper end and the lower end of the right side of the pipe body and the furnace body and between the bottom end of the annular guide pipe and the bottom furnace.
Compared with the prior art, the invention has the beneficial effects that:
1. the heat exchanger comprises a heat exchanger, a heat conduction filter frame, a pipe body and a connecting conduit, wherein the heat exchanger is arranged in the heat exchanger, the pipe body is connected with the connecting conduit, the heat conduction filter frame is arranged in the heat exchanger, the pipe body is connected with the connecting conduit, the connecting conduit is arranged in the pipe body, the pipe body is connected with the connecting conduit, and the connecting conduit is connected with the pipe body;
2. the filter plate is fixedly arranged in the heat-conducting filter frame through the screws, so that solid particles in hot gas can be absorbed through the filter plate in the process of conducting heat through the heat-conducting filter frame, and the solid particles are prevented from being fed into the furnace body in the process of conveying gas into the furnace body.
Drawings
FIG. 1 is a schematic view of the overall structure of an energy-saving combustion system of a hood-type annealing furnace according to the present invention;
FIG. 2 is a top view of a ring-shaped duct and a mounting tube in an energy-efficient combustion system of a hood-type annealing furnace according to the present invention;
FIG. 3 is an enlarged view of a portion A of FIG. 1 of the energy-saving combustion system of a hood-type annealing furnace according to the present invention.
In the figure: 1. a bottom furnace; 2. a ring-shaped conduit; 3. a spray head; 4. a furnace body; 5. an inner furnace; 6. a heat exchanger; 7. a valve head; 8. a heat-conducting filter frame; 9. filtering the plate; 10. a pipe body; 11. connecting a conduit; 12. a heat conducting frame; 13. an air inlet pipe; 14. a switch; 15. an air pump; 16. installing a pipe; 17. connecting the pipe head.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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 present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an energy-saving combustion system of bell-type annealing furnace, including end furnace 1, 1 top fixed mounting of end furnace has furnace body 4, the inside fixed mounting of furnace body 4 has interior stove 5, 4 inside bottom of furnace body all around fixed mounting have a plurality of shower nozzles 3, 1 inside upper end fixed mounting of end furnace has loop type pipe 2, equal fixed mounting has connector 17 between 2 tops of loop type pipe and the shower nozzle 3, 4 upper end fixed mounting of furnace body has heat exchanger 6, 6 left side middle part fixed mounting of heat exchanger has heat conduction filter frame 8, 8 bottom left sides fixed mounting of heat conduction filter frame have body 10, 4 left side lower extreme middle part fixed mounting of furnace body has heat conduction frame 12, 10 bottom of body and 12 top fixed connection of heat conduction frame, there is air pump 15 at the inside bottom middle part of heat conduction frame 12 through mount pad fixed mounting, fixed mounting has connecting pipe 11 between the inlet end of air pump 15 and the bottom of body 10, connecting pipe 11 left side middle part fixed The frame 12 stretches out outside the heat conduction frame 12, and the middle part of the left side of the heat conduction frame 12 is fixedly provided with a switch 14, the switch 14 is electrically connected with an air pump 15 through a wire, the output end of the air pump 15 penetrates through the heat conduction frame 12 and is fixedly provided with an installation pipe 16, and the bottom end of the installation pipe 16 penetrates through the bottom furnace 1 and is fixedly connected with the left side of the annular guide pipe 2.
A valve head 7 is screwed between the bottom end of the heat exchanger 6 and the top end of the furnace body 4 through threads, so that the valve head 7 is convenient to control the flow of hot gas in the furnace body 4; the filter plates 9 are fixedly arranged in the heat-conducting filter frame 8 through screws, so that solid particles in hot gas can be absorbed through the filter plates 9 in the process of conducting heat through the heat-conducting filter frame 8, and the solid particles are prevented from being fed into the furnace body 4 when the gas is conveyed into the furnace body 4; mounting holes are formed in the middle of the top end, the middle upper end of the left side and the middle of the bottom end of the heat conducting frame 12, so that the connecting guide pipe 11 is conveniently and fixedly connected with the bottom end of the pipe body 10; a connecting hole is formed in the left side of the bottom furnace 1 at the position opposite to the mounting pipe 16, so that the mounting pipe 16 is fixedly connected with the annular guide pipe 2; mounting pins are fixedly mounted between the upper end and the lower end of the right side of the pipe body 10 and the furnace body 4 and between the bottom end of the ring-shaped guide pipe 2 and the bottom furnace 1, so that the firmness of the pipe body 10 and the ring-shaped guide pipe 2 during mounting is increased.
The working principle is as follows: when the heat in the furnace body 4 is excessive, the valve head 7 is opened to guide the heat in the furnace body 4 into the heat exchanger 6, the heat is primarily divided and exchanged to guide the heat, the air pump 15 is started through the switch 14, the heat is primarily divided and heated through the heat exchanger 6 and then is guided into the air pump 15 through the heat-conducting filter frame 8, the pipe body 10 and the connecting conduit 11, the air inlet pipe 13 arranged in the middle of the left side of the connecting conduit 11 simultaneously sucks combustion-supporting air into the air pump 15 and mixes the combustion-supporting air, the combustion-supporting air is discharged into the annular conduit 2 through the mounting pipe 16 and then is discharged into the furnace body 4 through the connecting pipe head 17 and the nozzle 3 to support combustion, and the common heat-supporting air is cold air, so that when the hot gas and the combustion-supporting air are heated and mixed and discharged into the furnace body 4, the combustion-supporting efficiency can be accelerated, the heat utilization rate can be improved, meanwhile, the filter plate 9 is fixedly arranged, therefore, the solid particles in the hot gas can be absorbed by the filter plates 9 in the process of heat conduction through the heat conduction filter frame 8, and the solid particles are prevented from being sent into the furnace body 4 in the process of gas transmission into the furnace body 4.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides an energy-saving combustion system of bell-type annealing stove, includes end furnace (1), its characterized in that: the bottom furnace is characterized in that a furnace body (4) is fixedly arranged at the top end of the bottom furnace (1), an inner furnace (5) is fixedly arranged inside the furnace body (4), a plurality of spray heads (3) are fixedly arranged at the periphery of the bottom end inside the furnace body (4), a ring-shaped guide pipe (2) is fixedly arranged at the upper end inside the bottom furnace (1), a connecting pipe head (17) is fixedly arranged between the top end of the ring-shaped guide pipe (2) and the spray heads (3), a heat exchanger (6) is fixedly arranged at the upper end of the furnace body (4), a heat-conducting filter frame (8) is fixedly arranged at the middle part of the left side of the heat exchanger (6), a pipe body (10) is fixedly arranged at the left side of the bottom end of the heat-conducting filter frame (8), a heat-conducting frame (12) is fixedly arranged at the middle part of the lower end of the left side of the, fixed connecting tube (11) that is provided with between the inlet end of air pump (15) and the bottom of body (10), connecting tube (11) left side middle part is fixed to be provided with intake pipe (13) and passes heat conduction frame (12) and stretch outside heat conduction frame (12) keeping away from the one end of connecting tube (11), heat conduction frame (12) left side middle part is fixed to be provided with switch (14), switch (14) pass through wire and air pump (15) electric connection, the output of air pump (15) passes heat conduction frame (12) and fixes being provided with installation pipe (16), installation pipe (16) bottom is passed end stove (1) and ring type pipe (2) left side fixed connection.
2. The energy-saving combustion system of a hood-type annealing furnace according to claim 1, wherein: a valve head (7) is fixedly arranged between the bottom end of the heat exchanger (6) and the top end of the furnace body (4).
3. The energy-saving combustion system of a hood-type annealing furnace according to claim 1, wherein: and a filter plate (9) is fixedly arranged inside the heat-conducting filter frame (8).
4. The energy-saving combustion system of a hood-type annealing furnace according to claim 1, wherein: the middle part of the top end of the heat conduction frame (12), the middle part of the left side middle upper end and the bottom end middle part are all provided with mounting holes.
5. The energy-saving combustion system of a hood-type annealing furnace according to claim 1, wherein: the left side of the bottom furnace (1) is provided with a connecting hole at the opposite position of the mounting pipe (16).
6. The energy-saving combustion system of a hood-type annealing furnace according to claim 1, wherein: and mounting pins are fixedly arranged between the upper end and the lower end of the right side of the pipe body (10) and the furnace body (4) and between the bottom end of the annular guide pipe (2) and the bottom furnace (1).
CN201911326298.4A 2019-12-20 2019-12-20 Energy-saving combustion system of bell-type annealing furnace Pending CN113008025A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911326298.4A CN113008025A (en) 2019-12-20 2019-12-20 Energy-saving combustion system of bell-type annealing furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911326298.4A CN113008025A (en) 2019-12-20 2019-12-20 Energy-saving combustion system of bell-type annealing furnace

Publications (1)

Publication Number Publication Date
CN113008025A true CN113008025A (en) 2021-06-22

Family

ID=76381722

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911326298.4A Pending CN113008025A (en) 2019-12-20 2019-12-20 Energy-saving combustion system of bell-type annealing furnace

Country Status (1)

Country Link
CN (1) CN113008025A (en)

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Application publication date: 20210622