CN111895797A - Salt bath furnace with waste gas treatment function - Google Patents

Salt bath furnace with waste gas treatment function Download PDF

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Publication number
CN111895797A
CN111895797A CN202010686711.4A CN202010686711A CN111895797A CN 111895797 A CN111895797 A CN 111895797A CN 202010686711 A CN202010686711 A CN 202010686711A CN 111895797 A CN111895797 A CN 111895797A
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CN
China
Prior art keywords
salt bath
outer shell
bath furnace
end surface
guide shell
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
CN202010686711.4A
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Chinese (zh)
Inventor
张聪
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.)
Ganzhou He'an Technology Co ltd
Original Assignee
Ganzhou He'an Technology Co ltd
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Filing date
Publication date
Application filed by Ganzhou He'an Technology Co ltd filed Critical Ganzhou He'an Technology Co ltd
Priority to CN202010686711.4A priority Critical patent/CN111895797A/en
Publication of CN111895797A publication Critical patent/CN111895797A/en
Pending legal-status Critical Current

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    • 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
    • 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
    • C21D1/34—Methods of heating
    • C21D1/44—Methods of heating in heat-treatment baths
    • C21D1/46—Salt baths
    • 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
    • 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)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)

Abstract

The invention discloses a salt bath furnace with a waste gas treatment function, which comprises a cylindrical outer shell with a hollow interior; a truncated cone-shaped guide shell with the center penetrating up and down is arranged in the central notch; a gap is arranged between the lower end surface of the guide shell and the inner bottom surface of the outer shell, and the upper end surface of the guide shell is higher than the upper end surface of the outer shell; a salt bath furnace body is fixed at the center of the inner bottom surface of the outer shell; the salt bath furnace body is positioned in the middle of the guide shell, and a gap is arranged between the salt bath furnace body and the guide shell; the upper end of the outer shell is covered with a furnace cover; a truncated cone-shaped limiting groove matched with the upper end of the guide shell is formed on the lower end surface of the furnace cover; an upper hole groove in a truncated cone shape is formed on the upper side wall of the limiting groove; a gap is arranged between the upper hole groove and the salt bath furnace body; cooling water is arranged at the bottom inside the outer shell; the water surface of the cooling water is higher than the lower end surface of the guide shell; and cooling water is circularly arranged.

Description

Salt bath furnace with waste gas treatment function
Technical Field
The invention relates to the field of salt bath furnaces, in particular to a salt bath furnace with a waste gas treatment function.
Background
In the technical field of machining, a workpiece is subjected to hot working after cold working, the hot working can enable the workpiece to generate plastic deformation, the mechanical property of the workpiece is improved, the workpiece is subjected to hot working, a salt bath furnace is usually adopted for carrying out oil bath on the workpiece, the workpiece can generate a large amount of smoke in the salt bath process, and the smoke is harmful gas, has certain dust particles and has certain heat. If these flue gases directly discharge, then can cause certain pollution to the workshop environment, if operating personnel direct contact flue gas, operating personnel is scalded by high temperature at first, and more serious is that harmful substance wherein can cause the permanent injury of staff or endanger staff's life.
Disclosure of Invention
The invention aims to solve the technical problems that the flue gas generated by a salt bath furnace is directly discharged to cause environmental pollution and casualties, and provides a salt bath furnace with a waste gas treatment function.
The technical scheme for solving the technical problems is as follows: a salt bath furnace with waste gas treatment function comprises a cylindrical outer shell with a hollow interior; a central gap which penetrates through the upper side wall and the lower side wall is formed in the center of the upper side wall of the outer shell; a truncated cone-shaped guide shell with a narrow top and a wide bottom and a through center is arranged in the central gap; a gap is arranged between the lower end surface of the guide shell and the inner bottom surface of the outer shell, and the upper end surface of the guide shell is higher than the upper end surface of the outer shell; a cylindrical salt bath furnace body is fixed at the center of the inner bottom surface of the outer shell; the salt bath furnace body is positioned in the middle of the guide shell, and a gap is arranged between the salt bath furnace body and the guide shell; the upper end of the outer shell is covered with a furnace cover; a truncated cone-shaped limiting groove matched with the upper end of the guide shell is formed on the lower end surface of the furnace cover; a truncated cone-shaped upper hole groove is formed in the center of the upper side wall of the limiting groove; a gap is arranged between the upper hole groove and the salt bath furnace body; cooling water is arranged at the bottom inside the outer shell; the water surface of the cooling water is higher than the lower end surface of the guide shell; cooling water is circularly arranged; a plurality of exhaust holes are formed in the upper side wall of the outer shell and positioned on the outer side of the guide shell; a plurality of exhaust pipes which are vertically arranged are arranged on the upper end surface of the outer shell; the exhaust pipe is communicated with the exhaust hole, and the middle part of the exhaust pipe is provided with a filtering unit.
Preferably, a plurality of supporting legs which are uniformly distributed are fixed on the lower end surface of the outer shell; a water outlet is formed at the left end of the lower side wall of the outer shell, and a water inlet is formed at the right end of the lower side wall of the outer shell; a water outlet pipe and a water inlet pipe are arranged on the lower end surface of the outer shell; the water outlet hole is communicated with the water outlet pipe; the water inlet hole is communicated with the water inlet pipe; the water outlet pipe and the water inlet pipe are respectively connected with an external circulating cooling device.
Preferably, the water outlet pipe and the water inlet pipe are respectively provided with an electromagnetic valve.
Preferably, a plurality of connecting rods arranged in the radial direction are formed on the outer surface of the salt bath furnace body; the outside end of connecting rod is connected with the inside wall of direction casing.
Preferably, an exhaust motor is fixed on the upper end surface of the furnace cover; the output shaft of the exhaust motor is fixed with fan blades; the fan blades are positioned in the upper hole grooves.
Preferably, a top cover is provided at an upper end of the exhaust pipe.
Preferably, in the above aspect, the inner wall of the guide housing and the inner wall of the upper hole groove are on the same conical surface.
The invention has the beneficial effects that: simple structure, cooling and filtration treatment are carried out to waste gas, and exhaust emission is safe.
Drawings
Fig. 1 is a schematic structural view of a cross section of the present invention.
In the figure, 10, the outer shell; 100. a water outlet hole; 101. a water inlet hole; 102. an exhaust hole; 11. supporting legs; 12. a water outlet pipe; 13. a water inlet pipe; 14. an electromagnetic valve; 15. an exhaust pipe; 151. a top cover; 16. a filtration unit; 17. a guide housing; 171. a connecting rod; 20. a salt bath furnace body; 21. a furnace cover; 210. a limiting groove; 22. an exhaust motor; 221. a fan blade.
Detailed Description
As shown in fig. 1, a salt bath furnace having an exhaust gas treatment function includes an outer case 10 having a cylindrical shape with a hollow inside; a central gap which penetrates through the upper side wall of the outer shell 10 from top to bottom is formed in the center of the upper side wall; a truncated cone-shaped guide shell 17 with a narrow top and a wide bottom is arranged in the central gap, and the center of the truncated cone-shaped guide shell penetrates up and down; a gap is arranged between the lower end surface of the guide shell 17 and the inner bottom surface of the outer shell 10, and the upper end surface is higher than the upper end surface of the outer shell 10; a cylindrical salt bath furnace body 20 is fixed at the center of the inner bottom surface of the outer shell 10; the salt bath furnace body 20 is positioned in the middle of the guide shell 17, and a gap is arranged between the guide shell and the guide shell; the upper end of the outer shell 10 is covered with a furnace cover 21; a limiting groove 210 in a shape of a truncated cone matched with the upper end of the guide shell 17 is formed on the lower end surface of the furnace cover 21; a truncated cone-shaped upper hole groove is formed in the center of the upper side wall of the limiting groove 210; a gap is arranged between the upper hole groove and the salt bath furnace body 20; cooling water is arranged at the bottom inside the outer shell 10; the water level of the cooling water is higher than the lower end surface of the guide shell 17; cooling water is circularly arranged; a plurality of exhaust holes 102 are formed on the upper side wall of the outer shell 10 and positioned on the outer side of the guide shell 17; a plurality of exhaust pipes 15 which are vertically arranged are arranged on the upper end surface of the outer shell 10; the exhaust pipe 15 communicates with the exhaust hole 102 and is provided with a filter unit 16 in the middle.
As shown in fig. 1, a plurality of supporting legs 11 are fixed on the lower end surface of the outer shell 10 and are uniformly distributed; a water outlet 100 is formed at the left end of the lower side wall of the outer shell 10, and a water inlet 101 is formed at the right end; a water outlet pipe 12 and a water inlet pipe 13 are arranged on the lower end surface of the outer shell 10; the water outlet hole 100 is communicated with the water outlet pipe 12; the water inlet hole 101 is communicated with the water inlet pipe 13; the water outlet pipe 12 and the water inlet pipe 13 are respectively connected with an external circulating cooling device.
As shown in fig. 1, the water outlet pipe 12 and the water inlet pipe 13 are respectively provided with an electromagnetic valve 14.
As shown in fig. 1, a plurality of connecting rods 171 arranged in the radial direction are formed on the outer surface of the salt bath furnace body 20; the outer end of the connecting rod 171 is connected to the inner side wall of the guide housing 17.
As shown in fig. 1, an exhaust motor 22 is fixed on the upper end surface of the furnace cover 21; the output shaft of the exhaust motor 22 is fixed with a fan blade 221; the fan blades 221 are located in the upper hole slots.
As shown in fig. 1, the upper end of the exhaust pipe 15 is provided with a top cover 151.
As shown in fig. 1, the inner side wall of the guide housing 17 is located on the same conical surface as the inner side wall of the upper hole groove.
The working principle of the salt bath furnace with the waste gas treatment function is as follows:
during normal work, the work piece is located and carries out thermal treatment through solution salt in salt bath furnace body 20, produce the flue gas of high temperature at this in-process, the flue gas is at first along bell 21 and the final and cooling water contact in clearance between direction casing 17 and the salt bath furnace body 20, under recirculated cooling water's effect, the flue gas is at first the cooling people, then have with the gaseous material in insoluble in water, finally discharge through exhaust hole 102 and blast pipe 15 like this, harmful substance is filtered by filter unit 16 at this in-process, through the aforesaid cooling and filtration twice process, the discharge that the flue gas can be safe.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description herein, since various changes and modifications can be made in the details of the embodiment and the application range according to the spirit of the present invention.

Claims (7)

1. A salt bath furnace with an exhaust gas treatment function is characterized in that: an outer casing (10) having a cylindrical shape with a hollow interior; a central gap which penetrates through the upper side wall and the lower side wall is formed in the center of the upper side wall of the outer shell (10); a truncated cone-shaped guide shell (17) with a narrow top and a wide bottom and a through center is arranged in the central gap; a gap is arranged between the lower end surface of the guide shell (17) and the inner bottom surface of the outer shell (10), and the upper end surface is higher than the upper end surface of the outer shell (10); a cylindrical salt bath furnace body (20) is fixed at the center of the inner bottom surface of the outer shell (10); the salt bath furnace body (20) is positioned in the middle of the guide shell (17) and a gap is arranged between the guide shell and the guide shell; the upper end of the outer shell (10) is covered with a furnace cover (21); a truncated cone-shaped limiting groove (210) matched with the upper end of the guide shell (17) is formed on the lower end surface of the furnace cover (21); an upper hole groove in a truncated cone shape is formed in the center of the upper side wall of the limiting groove (210); a gap is arranged between the upper hole groove and the salt bath furnace body (20); cooling water is arranged at the bottom inside the outer shell (10); the water level of the cooling water is higher than the lower end surface of the guide shell (17); cooling water is circularly arranged; a plurality of exhaust holes (102) are formed on the upper side wall of the outer shell (10) and positioned on the outer side of the guide shell (17); a plurality of exhaust pipes (15) which are vertically arranged are arranged on the upper end surface of the outer shell (10); the exhaust pipe (15) is communicated with the exhaust hole (102) and is provided with a filtering unit (16) in the middle.
2. The salt bath furnace with an exhaust gas treatment function according to claim 1, wherein: a plurality of supporting legs (11) which are uniformly distributed are fixed on the lower end surface of the outer shell (10); a water outlet (100) is formed at the left end of the lower side wall of the outer shell (10), and a water inlet (101) is formed at the right end; a water outlet pipe (12) and a water inlet pipe (13) are arranged on the lower end surface of the outer shell (10); the water outlet hole (100) is communicated with the water outlet pipe (12); the water inlet hole (101) is communicated with the water inlet pipe (13); the water outlet pipe (12) and the water inlet pipe (13) are respectively connected with an external circulating cooling device.
3. The salt bath furnace with an exhaust gas treatment function according to claim 2, wherein: the water outlet pipe (12) and the water inlet pipe (13) are respectively provided with an electromagnetic valve (14).
4. The salt bath furnace with an exhaust gas treatment function according to claim 1, wherein: a plurality of connecting rods (171) arranged in the radial direction are formed on the outer surface of the salt bath furnace body (20); the outer end of the connecting rod (171) is connected with the inner side wall of the guide shell (17).
5. The salt bath furnace with an exhaust gas treatment function according to claim 1, wherein: an exhaust motor (22) is fixed on the upper end surface of the furnace cover (21); the output shaft of the exhaust motor (22) is fixed with a fan blade (221); the fan blades (221) are positioned in the upper hole grooves.
6. The salt bath furnace with an exhaust gas treatment function according to claim 1, wherein: a top cover (151) is arranged at the upper end of the exhaust pipe (15).
7. The salt bath furnace with an exhaust gas treatment function according to claim 1, wherein: the inner side wall of the guide shell (17) and the inner side wall of the upper hole groove are positioned on the same conical surface.
CN202010686711.4A 2020-07-16 2020-07-16 Salt bath furnace with waste gas treatment function Pending CN111895797A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010686711.4A CN111895797A (en) 2020-07-16 2020-07-16 Salt bath furnace with waste gas treatment function

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Application Number Priority Date Filing Date Title
CN202010686711.4A CN111895797A (en) 2020-07-16 2020-07-16 Salt bath furnace with waste gas treatment function

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Publication Number Publication Date
CN111895797A true CN111895797A (en) 2020-11-06

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CN202010686711.4A Pending CN111895797A (en) 2020-07-16 2020-07-16 Salt bath furnace with waste gas treatment function

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112985094A (en) * 2021-03-30 2021-06-18 郑员锋 Waste gas collecting and purifying treatment device for sintering furnace

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5337506A (en) * 1976-09-20 1978-04-06 Kawasaki Heavy Ind Ltd Recovering apparatus for sensible heat of cooling water in converter waste gas treating equipment
JP2003038909A (en) * 2001-07-31 2003-02-12 Kurita Water Ind Ltd Method for treating wet type dust collector circulating water of metal refining furnace exhaust gas
CN201603500U (en) * 2009-11-04 2010-10-13 中车集团四川丹齿零部件有限公司 Flue removing device for low-temperature salt bath furnace with thermal treatment
CN209945036U (en) * 2019-01-10 2020-01-14 嘉兴市大宇机电有限公司 Special wear-resisting copper alloy spare part manufacture equipment
CN210070636U (en) * 2019-04-22 2020-02-14 洛阳荣邦耐火材料有限公司 Waste gas treatment device for refractory material kiln
CN210268257U (en) * 2019-07-02 2020-04-07 福建省四轮工程机械有限公司 Medium frequency electric furnace

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5337506A (en) * 1976-09-20 1978-04-06 Kawasaki Heavy Ind Ltd Recovering apparatus for sensible heat of cooling water in converter waste gas treating equipment
JP2003038909A (en) * 2001-07-31 2003-02-12 Kurita Water Ind Ltd Method for treating wet type dust collector circulating water of metal refining furnace exhaust gas
CN201603500U (en) * 2009-11-04 2010-10-13 中车集团四川丹齿零部件有限公司 Flue removing device for low-temperature salt bath furnace with thermal treatment
CN209945036U (en) * 2019-01-10 2020-01-14 嘉兴市大宇机电有限公司 Special wear-resisting copper alloy spare part manufacture equipment
CN210070636U (en) * 2019-04-22 2020-02-14 洛阳荣邦耐火材料有限公司 Waste gas treatment device for refractory material kiln
CN210268257U (en) * 2019-07-02 2020-04-07 福建省四轮工程机械有限公司 Medium frequency electric furnace

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112985094A (en) * 2021-03-30 2021-06-18 郑员锋 Waste gas collecting and purifying treatment device for sintering furnace

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Application publication date: 20201106