CN111397386A - Isothermal quenching furnace waste gas and waste heat treatment device - Google Patents

Isothermal quenching furnace waste gas and waste heat treatment device Download PDF

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Publication number
CN111397386A
CN111397386A CN202010333898.XA CN202010333898A CN111397386A CN 111397386 A CN111397386 A CN 111397386A CN 202010333898 A CN202010333898 A CN 202010333898A CN 111397386 A CN111397386 A CN 111397386A
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China
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water tank
air outlet
purified water
box
communicated
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CN202010333898.XA
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Chinese (zh)
Inventor
郭纯
胡瑞章
魏宝丽
孟令启
陈丰
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Anhui University of Science and Technology
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Anhui University of Science and Technology
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Priority to CN202010333898.XA priority Critical patent/CN111397386A/en
Publication of CN111397386A publication Critical patent/CN111397386A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D17/00Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/008Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases cleaning gases
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D17/00Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/004Systems for reclaiming waste heat
    • 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

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Treating Waste Gases (AREA)

Abstract

The utility model provides an isothermal quenching furnace waste gas and waste heat treatment device, the structure is: the width direction of the bracket is provided with a control box, a body of the isothermal quenching furnace and a first exhaust fan, and the control box is internally provided with a singlechip, a circuit breaker and a power supply module; first to third air inlet pipes are arranged between the first exhaust fan and the body; the first exhaust fan is communicated with the purified water tank through a first air outlet pipe, and a temperature sensor is arranged on the first air outlet pipe and extends into the purified water tank; the upper side of the purified water tank is provided with a second air outlet pipe comprising an air filter, the air filter comprises a cylinder body, a water absorption part and a filtering part, and the second air outlet pipe is communicated with a second exhaust fan and a third air outlet pipe; the temperature sensor and the circuit breaker are connected with the single chip microcomputer, the first exhaust fan and the second exhaust fan are connected with the single chip microcomputer through the circuit breaker, and the power supply module is connected with the temperature sensor, the circuit breaker and the single chip microcomputer. By adopting the device, the high-temperature harmful gas in the body is subjected to heat utilization and purification treatment, so that the heat dissipation efficiency of the body is improved, and the atmosphere is not polluted.

Description

Isothermal quenching furnace waste gas and waste heat treatment device
Technical Field
The invention relates to a device for treating waste gas and waste heat of an isothermal quenching furnace.
Background
The quenching furnace in the metal heat treatment industry is a furnace for heating workpieces before quenching, the heat source of the quenching furnace can use electricity, gas fuel and liquid fuel, and the temperature in the quenching furnace can be measured and adjusted by an instrument with a thermocouple; the quenching furnace comprises: a muffle mesh belt continuous isothermal quenching furnace and a muffle mesh belt-free continuous isothermal quenching furnace. Quenching is to put the workpiece into a quenching furnace, heat the workpiece to a quenching temperature above the critical point and keep the workpiece for a period of time, then quickly take the workpiece out of the quenching furnace and put the workpiece into quenching liquid for quenching.
After a metal heat treatment enterprise heats a workpiece by using a quenching furnace, waste gas (which is high-temperature harmful gas and comprises impurities, harmful substances and substances with peculiar smell) is generated in a furnace chamber of the quenching furnace, the temperature of the gas is as high as 900-1000 ℃, at present, the gas is generally directly discharged into the atmosphere of the enterprise and the surrounding, so that the high-temperature harmful gas in the furnace chamber of the quenching furnace cannot be utilized and purified, the heat dissipation efficiency of the quenching furnace is reduced, the atmosphere of the enterprise and the surrounding is polluted, and certain potential safety hazards are brought to operators and surrounding personnel.
In addition, at present, in order to better develop teaching activities of relevant courses, colleges and universities use classrooms of school-in teaching buildings, and set up equipment such as quenching furnaces in the classrooms as school laboratories of the relevant courses.
As is well known, teachers and students in colleges and universities are numerous and dense, and the distance between adjacent teaching buildings in the colleges and universities is narrow.
After teachers and students adopt the quenching furnace to carry out teaching experiments and heat workpieces (such as a binder clip and the like), high-temperature waste gas is generated in a furnace cavity of the quenching furnace, and the gas is inevitably directly discharged into the atmosphere around and in the campus, so that high-temperature harmful gas in the furnace cavity of the quenching furnace cannot be utilized and purified, the heat dissipation efficiency of the quenching furnace is reduced, the atmosphere around and in the campus can be polluted, and certain potential safety hazards are brought to the teachers and the students.
Disclosure of Invention
The invention aims to solve the technical problem of providing a device for treating waste gas and waste heat of an isothermal quenching furnace.
The technical scheme of the invention is as follows:
an isothermal quenching furnace waste gas and waste heat treatment device comprises a body of an isothermal quenching furnace and a bracket arranged on the lower side of the body;
one side of the bracket in the width direction is provided with a control box, the other side of the bracket is provided with a first exhaust fan, the body is positioned between the control box and the first exhaust fan, and a singlechip, a circuit breaker and a power supply module are arranged in the control box;
a first air inlet pipe, a second air inlet pipe and a third air inlet pipe are communicated between the air inlet of the first exhaust fan and the body in a parallel connection mode;
setting: the side of the body, which is close to the workpiece entering side in the length direction, is a front side, and the side of the body, which is close to the workpiece leaving side in the length direction, is a rear side;
a first air outlet used for being communicated with the first air inlet pipe on the body is positioned on the front side of the body, a third air outlet used for being communicated with the third air inlet pipe on the body is positioned on the rear side of the body, a second air outlet used for being communicated with the second air inlet pipe on the body is positioned on the middle section of the body, and the heights of the first air outlet, the second air outlet and the third air outlet are sequentially increased;
an air outlet of the first exhaust fan is communicated with the purified water tank through a first air outlet pipe, a pipeline on the side of the first air outlet pipe, which is far away from the first exhaust fan, vertically extends into the lower part of the purified water tank from top to bottom, and a pipeline between the first exhaust fan and the purified water tank is provided with a temperature sensor;
the upper side of the purified water tank is communicated with a second air outlet pipe, a pipeline of the second air outlet pipe is communicated with a gas filter, the gas filter comprises a cylinder body, a water absorption part and a filtering part, the water absorption part and the filtering part are arranged in the cylinder body in parallel at intervals in sequence, the normal lines of the water absorption part and the filtering part are parallel to the central line of the cylinder body, the water absorption part is close to the purified water tank, the filtering part is far away from the purified water tank, the air outlet of the second air outlet pipe is communicated with the air inlet of a second exhaust fan, and the air outlet of the;
temperature sensor, circuit breaker are connected with the singlechip, and first air exhauster, second air exhauster all are connected with the singlechip through the circuit breaker, and power module is connected with temperature sensor, circuit breaker, singlechip respectively.
The power module supplies power for the temperature sensor, the circuit breaker and the single chip microcomputer.
For the sake of simple and clear description of the problems, the isothermal quenching furnace waste gas and waste heat treatment device of the present invention is simply referred to as the present treatment device below.
The working principle and the advantages of the processing device are as follows:
before the treatment device is used, purification liquid (such as water and/or chemical agent and the like) for purifying gas is added into a purification water tank;
when the treatment device is used, the first exhaust fan and the second exhaust fan are started;
by means of a first exhaust fan, a first air inlet pipe, a second air inlet pipe and a third air inlet pipe, high-temperature harmful gas in the body is fully and efficiently extracted from the lower part of the front side, the middle part of the middle section and the upper part of the rear side of the body respectively, the gas is sent into a purification water tank through a first air outlet pipe, and impurities, harmful substances and substances with peculiar smell in the gas are adsorbed by purification liquid in the purification water tank and are primarily purified;
then, by means of a second exhaust fan, a second air outlet pipe and a gas filter (comprising a water absorption part and a filtering part), the primarily purified gas is subjected to moisture absorption and secondary adsorption filtration, and finally, dry and clean gas flows out of a third air outlet pipe;
the third air outlet pipe can be communicated with an external radiator or directly discharged into the atmosphere, so that high-temperature harmful gas in the body is utilized and purified, the heat dissipation efficiency of the body is improved, and the atmosphere is not polluted;
the temperature of the gas in the pipeline between the first exhaust fan and the purified water tank is approximately equal to that of the gas in the body 1;
the temperature sensor transmits the temperature signal of the gas to the singlechip, if the temperature is lower (for example, the temperature is reduced to 35-40 ℃), the singlechip controls the circuit breaker to stop the first exhaust fan and the second exhaust fan after the high-temperature harmful gas in the body is extracted; therefore, the temperature sensor, the singlechip and the circuit breaker arranged in the control box are matched for use, and the automatic power-off control of the first exhaust fan and the second exhaust fan can be realized.
In conclusion, by adopting the processing device, the high-temperature harmful gas in the body is subjected to heat utilization and purification treatment, the heat dissipation efficiency of the body is improved, and the atmosphere is not polluted.
The treatment device is suitable for metal heat treatment enterprises, and is also suitable for quenching furnace laboratories of colleges and universities, so that the teaching and using processes are economic, environment-friendly and safe.
The middle points of the first air outlet, the second air outlet and the third air outlet share the same oblique line, and the included angle between the oblique line and the horizontal plane is 11-17 degrees.
Above-mentioned structural style for it is comparatively convenient to set up corresponding air inlet on the body, and realizes first intake pipe, second intake pipe, third intake pipe and body to be linked together to the greatest extent.
The middle area of the upper side of the purified water tank is provided with a liquid feeding port communicated with the inner cavity of the purified water tank, and the lower part of the purified water tank is provided with a water outlet valve communicated with the inner cavity of the purified water tank;
the circumferential outer side of the purified water tank is coated with a thermal insulation coating layer with the thickness of 5-20 mm, and the thermal insulation coating adopts an isolated conduction type thermal insulation coating;
the upper portion in the purified water tank is equipped with the filter screen of horizontal arrangement, and the filter screen cup joints with the pipeline that the first air exhauster was kept away from to first outlet duct mutually, and the aperture of filter screen is 2 to 10 meshes.
The water outlet valve and the liquid filling port are matched for use, so that impurities in the purified water tank can be conveniently removed, and the inner cavity of the purified water tank can be conveniently cleaned;
the arrangement of the liquid filling port is convenient for adding liquid (such as water and/or chemical agents and the like) for purifying gas into the purified water tank;
due to the arrangement of the heat insulation coating layer, even if a user (a teacher or a student) touches the purified water tank accidentally, the user cannot be scalded;
due to the arrangement of the filter screen, when the first air outlet pipe supplies air to the liquid used for purifying the gas from the side pipeline away from the first exhaust fan, the bubbles emitted can be effectively eliminated, and the liquid is prevented from splashing everywhere.
The side of the control box opposite to the body is hinged with a box door, the box door is provided with a handle, and at least one side surface in the circumferential direction of the control box is provided with a plurality of strip-shaped heat dissipation holes.
The box door and the handle are matched for use, so that the single chip microcomputer, the circuit breaker, the display screen and the starting button arranged in the control box are protected conveniently;
the heat dissipation holes are arranged, so that heat generated by the single chip microcomputer and the circuit breaker during working can be dissipated in time.
The gas filter is connected with the pipeline of the second gas outlet pipe through a flange;
the barrel of gas filter is the hollow cylinder body that the level was arranged, and the axial middle part in the barrel is equipped with an annular boss, sets for: the end of the cylinder body, which is axially close to the purified water tank, is a front end, the end of the cylinder body, which is axially far away from the purified water tank, is a rear end, a first internal thread is arranged between the axial front end of the cylinder body and the annular boss, and a second internal thread is arranged between the axial rear end of the cylinder body and the annular boss;
the water absorption part comprises a circular water absorption box with a horizontal axis and water absorption materials filled in the water absorption box, and the water absorption box comprises a first box body and a first cover body;
a first external thread matched with the first internal thread is arranged on the outer periphery of the first box body, the opening direction of an inner cavity of the first box body is close to the purified water tank, a plurality of first raised lines extending in the axial direction are uniformly distributed on the inner periphery of the first box body, and a plurality of first through holes communicated with the inner cavity of the first box body are formed in the axial direction of the first box body;
a plurality of first grooves which axially extend and correspond to the first raised lines in position one by one are uniformly distributed on the outer periphery of the first cover body, a first screwing button close to the purified water tank is arranged in the middle area of the first cover body in the axial direction, and a plurality of second through holes communicated with the inner cavity of the first cover body are formed in the first cover body in the axial direction;
the inner diameter of the first box body is equal to the outer diameter of the first cover body, and the first box body and the first cover body are clamped and connected by virtue of a plurality of first raised lines and a plurality of first grooves;
the first box body is in internal and external screwed connection with the front side of the barrel and is in contact with the annular boss, and the plurality of first through holes and the plurality of second through holes are positioned in the vertical direction projection range of the inner section circle of the annular boss;
the filter component comprises a circular filter box with a horizontal axis and filter materials filled in the filter box, and the filter box comprises a second box body and a second cover body;
a second external thread matched with the second internal thread is arranged on the outer periphery of the second box body, the opening direction of an inner cavity of the second box body is far away from the purified water tank, a plurality of second raised lines extending in the axial direction are uniformly distributed on the inner periphery of the second box body, and a plurality of third through holes communicated with the inner cavity of the second box body are formed in the axial direction of the second box body;
a plurality of second grooves which axially extend and correspond to the second raised lines in position one by one are uniformly distributed on the outer periphery of the second cover body, a second screwing button far away from the purified water tank is arranged in the middle area of the second cover body in the axial direction, and a plurality of fourth through holes communicated with the inner cavity of the second cover body are axially formed in the second cover body;
the inner diameter of the second box body is equal to the outer diameter of the second cover body, and the second box body and the second cover body are clamped and connected by virtue of a plurality of second raised strips and a plurality of second grooves;
the second box body is in internal and external screwed connection with the rear side of the barrel and is in contact with the annular boss, and the third through holes and the fourth through holes are positioned in the vertical direction projection range of the inner section circle of the annular boss;
the water absorption material is water absorption cotton, and the filtering material is activated carbon.
The flange connecting structure enables the gas filter to be conveniently replaced on the second gas outlet pipe;
the activated carbon has higher adsorption capacity, and can absorb the primarily purified gas with moisture and perform adsorption filtration again, so that the gas flowing out of the third gas outlet pipe has higher degree of cleanness;
the structures and the assembly forms of the cylinder body, the water absorption component and the filtering component are mutually convenient, so that the water absorption component (or the filtering component) can be conveniently screwed into or out of the cylinder body, and the water absorption component (or the filtering component) can be axially positioned in the cylinder body; and secondly, after the water absorption part (or the filtering part) is screwed out of the cylinder body, the water absorption material (or the filtering material) is convenient to replace, so that the cylinder body, the water absorption box and the filtering box can be repeatedly used, and the use cost is reduced.
Drawings
FIG. 1 is a schematic view of the present processing apparatus.
Fig. 2 is a schematic view of the main body of the processing apparatus.
FIG. 3 is a schematic view of a control box in the present processing apparatus.
FIG. 4 is a schematic view of a gas filter in the present treatment apparatus.
Fig. 5 is a sectional view a-a of fig. 4.
Fig. 6 is a sectional view B-B of fig. 4.
Fig. 7 is a control schematic diagram of the present processing apparatus.
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 to 7:
this processing apparatus includes the body 1 of isothermal quenching stove, set up in the support 2 of body 1 downside, width direction one side of support 2 sets up control box 3, the opposite side sets up first air exhauster 6, body 1 is located between control box 3 and the first air exhauster 6, be equipped with singlechip 4 in the control box 3, circuit breaker 5, power module 3d, that side that control box 3 and body 1 are relative articulates there is chamber door 3a, be equipped with handle 3b on the chamber door, be equipped with a plurality of bar louvres 3c on the three side of circumference of control box 3.
A first air inlet pipe 6a, a second air inlet pipe 6b and a third air inlet pipe 6c are communicated between the air inlet of the first exhaust fan 6 and the body 1 in a parallel connection mode.
Setting: the side of the body 1 in the longitudinal direction close to the workpiece entrance side thereof is a front side, and the side of the body 1 in the longitudinal direction close to the workpiece exit side thereof is a rear side.
A first air outlet 1a used for being communicated with a first air inlet pipe 6a on a body 1 is located on the front side of the body 1, a third air outlet 1c used for being communicated with a third air inlet pipe 6c on the body 1 is located on the rear side of the body 1, a second air outlet 1b used for being communicated with a second air inlet pipe 6b on the body 1 is located in the middle section of the body 1, the heights of the first air outlet 1a, the second air outlet 1b and the third air outlet 1c are sequentially increased in an increasing mode, a common oblique line is formed by midpoints of the first air outlet 1a, the second air outlet 1b and the third air outlet 1c, and an included angle between the oblique line and the horizontal plane is 12 degrees.
The air outlet of the first exhaust fan 6 is communicated with the purified water tank 7 through a first air outlet pipe 6 d; a liquid feeding port 7b communicated with the inner cavity of the purified water tank 7 is arranged in the middle area of the upper side of the purified water tank 7, and a water outlet valve 7c communicated with the inner cavity of the purified water tank is arranged at the lower part of the purified water tank; the circumferential outer side of the purified water tank 7 is coated with a thermal insulation coating layer 7d with the thickness of 17mm, and the thermal insulation coating adopts an isolated conduction type thermal insulation coating; the upper part in the purified water tank 7 is provided with a horizontally arranged filter screen 7e, and the aperture of the filter screen 7e is 7 meshes.
The pipeline on the side of the first air outlet pipe 6d far away from the first air exhauster 6 vertically penetrates through the filter screen 7e from top to bottom and then extends into the lower part of the purified water tank 7, the filter screen 7e and the pipeline on the side of the first air exhauster 6 far away from the first air outlet pipe 6d are sleeved, and the pipeline between the first air exhauster 6 and the purified water tank 7 is provided with a temperature sensor 8.
The upper side of the purified water tank 7 is communicated with a second air outlet pipe 7a, a pipeline of the second air outlet pipe 7a is communicated with a gas filter, and the gas filter is connected with the pipeline of the second air outlet pipe 7a through a flange.
The air outlet of the second air outlet pipe 7a is communicated with the air inlet of the second exhaust fan 9, and the air outlet of the second exhaust fan 9 is communicated with the third air outlet pipe 9 a.
Temperature sensor 8, circuit breaker 5 are connected with singlechip 4, and first air exhauster 6, second air exhauster 9 all are connected with singlechip 4 through circuit breaker 5, and power module 3d is connected with temperature sensor 8, circuit breaker 5, singlechip 4 respectively and supplies power for back three.
The gas filter comprises a cylinder body 10, and a water absorption component and a filter component which are arranged in the cylinder body 10 in sequence at intervals in parallel, wherein the normal lines of the water absorption component and the filter component are parallel to the central line of the cylinder body 10, the water absorption component is close to the purification water tank 7, and the filter component is far away from the purification water tank 7.
The cylinder 10 of the gas filter is a hollow cylinder arranged horizontally, and an annular boss 10a is arranged at the middle part in the axial direction in the cylinder 10, and is set as follows: the end of the cylinder 10 axially close to the purified water tank 7 is a front end, the end of the cylinder 10 axially far from the purified water tank 7 is a rear end, a first internal thread 10b is provided in the cylinder 10 between the axially front end thereof and the annular boss 10a, and a second internal thread 10c is provided in the cylinder 10 between the axially rear end thereof and the annular boss 10 a.
The water absorption part comprises a circular water absorption box with a horizontal axis and water absorption materials 13 filled in the water absorption box, and the water absorption box comprises a first box body 11 and a first cover body 12.
First box body 11 is equipped with the first external screw thread 11a with first internal screw thread 10b looks adaptation along circumference outward, and the inner chamber opening direction of first box body 11 is close to purified water tank 7, and four axially extended first sand grips 11b of circumference equipartition in the first box body 11, the axial of first box body 11 is opened there are rather than the communicating a plurality of first through-holes 11c of inner chamber.
Four first grooves 12a which axially extend and correspond to the four first raised strips 11b one by one in position are uniformly distributed on the outer side of the first cover body 12 along the circumferential direction, a first screwing button 12b close to the purified water tank 7 is arranged in the middle area of the first cover body 12 in the axial direction, and a plurality of second through holes 12c communicated with the inner cavity of the first cover body 12 are formed in the axial direction of the first cover body 12.
The inner diameter of the first box 11 is equal to the outer diameter of the first cover 12, and the first box 11 and the first cover 12 are engaged with each other by means of four first protruding strips 11b and four first grooves 12 a.
The first box body 11 is connected with the front side of the barrel body 10 in an inward-outward screwed mode and is in contact with the annular boss 10a, and the plurality of first through holes 11c and the plurality of second through holes 12c are located in the vertical direction projection range of the inner section circle of the annular boss 10 a.
The filter component comprises a circular filter box with a horizontal axis, and a filter material 16 filled in the filter box, wherein the filter box comprises a second box body 14 and a second cover body 15.
The second box body 14 is provided with a second external thread 14a matched with the second internal thread 10c along the circumferential direction, the inner cavity of the second box body 14 is far away from the purified water tank 7 in the opening direction, four second raised strips 14b extending in the axial direction are uniformly distributed in the second box body 14 along the circumferential direction, and the axial direction of the second box body 14 is provided with a plurality of third through holes 14c communicated with the inner cavity.
Four second grooves 15a which axially extend and correspond to the second raised lines 14b one by one in position are uniformly distributed on the outer periphery of the second cover body 15, a second screwing button 15b far away from the purified water tank 7 is arranged in the middle area of the second cover body 15 in the axial direction, and a plurality of fourth through holes 15c communicated with the inner cavity of the second cover body 15 in the axial direction are formed in the second cover body 15.
The inner diameter of the second container 14 is equal to the outer diameter of the second cover 15, and the second container 14 and the second cover 15 are engaged with each other by means of four second protruding strips 14b and four second grooves 15 a.
The second box body 14 is screwed in and out of the rear side of the cylinder body 10 and contacts with the annular boss 10a, and the third through holes 14c and the fourth through holes 15c are located within the vertical direction projection range of the inner section circle of the annular boss 10 a.
The water absorbing material 13 is water absorbing cotton, and the filter material 16 is activated carbon. The body 1, the water absorbing material 13 and the filter material 16 can be purchased from outside.
It should be noted that, in fig. 1 and 2, the mesh belt arranged in the length direction in the body 1 for conveying the workpiece is not shown; the water absorbent material 13 is not shown in fig. 5; the filter material 16 is not shown in fig. 6.
The working principle and the advantages of the processing device are as follows:
before the treatment device is used, a purifying liquid (such as water and/or chemical agent) for purifying gas is added into the purifying water tank 7;
when the treatment device is used, the first exhaust fan 6 and the second exhaust fan 9 are started;
by means of a first exhaust fan 6, a first air inlet pipe 6a, a second air inlet pipe 6b and a third air inlet pipe 6c, high-temperature harmful gas in the body 1 is fully and efficiently extracted from the lower part of the front side, the middle part of the middle section and the upper part of the rear side of the body 1 respectively, the gas is sent into a purified water tank 7 through a first air outlet pipe 6d, and impurities, harmful substances and substances with peculiar smell in the gas are adsorbed by purified liquid in the purified water tank 7 and are primarily purified;
then, the primarily purified gas is subjected to moisture absorption and adsorption filtration again by means of a second exhaust fan 9, a second air outlet pipe 7a and a gas filter (comprising a water absorption part and a filtering part), and finally, dry and clean gas flows out of a third air outlet pipe 9 a;
the third air outlet pipe 9a can be communicated with an external radiator or directly discharged into the atmosphere, so that high-temperature harmful gas in the body 1 is utilized and purified, the heat dissipation efficiency of the body 1 is improved, and the atmosphere is not polluted;
the temperature of the gas in the pipeline between the first exhaust fan 6 and the purified water tank 7 of the first gas outlet pipe 6d is approximately equal to that of the gas in the body 1;
the temperature sensor 8 transmits the temperature signal of the gas to the singlechip 4, if the temperature is lower (for example, the temperature is reduced to 35-40 ℃), the high-temperature harmful gas in the body 1 is extracted, at the moment, the singlechip 4 controls the circuit breaker 5 to stop the first exhaust fan 6 and the second exhaust fan 9; therefore, the temperature sensor 8, the singlechip 4 arranged in the control box 3 and the circuit breaker 5 are matched for use, and the automatic power-off control of the first exhaust fan 6 and the second exhaust fan 9 can be realized.
The treatment device is suitable for metal heat treatment enterprises, and is also suitable for quenching furnace laboratories of colleges and universities, so that the teaching and using processes are economic, environment-friendly and safe.
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 (5)

1. The utility model provides an isothermal quenching furnace waste gas and waste heat treatment device, includes the body of isothermal quenching furnace, sets up in the support of body downside, its characterized in that:
one side of the bracket in the width direction is provided with a control box, the other side of the bracket is provided with a first exhaust fan, the body is positioned between the control box and the first exhaust fan, and a singlechip, a circuit breaker and a power supply module are arranged in the control box;
a first air inlet pipe, a second air inlet pipe and a third air inlet pipe are communicated between the air inlet of the first exhaust fan and the body in a parallel connection mode;
setting: the side of the body, which is close to the workpiece entering side in the length direction, is a front side, and the side of the body, which is close to the workpiece leaving side in the length direction, is a rear side;
a first air outlet used for being communicated with the first air inlet pipe on the body is positioned on the front side of the body, a third air outlet used for being communicated with the third air inlet pipe on the body is positioned on the rear side of the body, a second air outlet used for being communicated with the second air inlet pipe on the body is positioned on the middle section of the body, and the heights of the first air outlet, the second air outlet and the third air outlet are sequentially increased;
an air outlet of the first exhaust fan is communicated with the purified water tank through a first air outlet pipe, a pipeline on the side of the first air outlet pipe, which is far away from the first exhaust fan, vertically extends into the lower part of the purified water tank from top to bottom, and a pipeline between the first exhaust fan and the purified water tank is provided with a temperature sensor;
the upper side of the purified water tank is communicated with a second air outlet pipe, a pipeline of the second air outlet pipe is communicated with a gas filter, the gas filter comprises a cylinder body, a water absorption part and a filtering part, the water absorption part and the filtering part are arranged in the cylinder body in parallel at intervals in sequence, the normal lines of the water absorption part and the filtering part are parallel to the central line of the cylinder body, the water absorption part is close to the purified water tank, the filtering part is far away from the purified water tank, the air outlet of the second air outlet pipe is communicated with the air inlet of a second exhaust fan, and the air outlet of the;
temperature sensor, circuit breaker are connected with the singlechip, and first air exhauster, second air exhauster all are connected with the singlechip through the circuit breaker, and power module is connected with temperature sensor, circuit breaker, singlechip respectively.
2. The device for treating the waste gas and the waste heat of the isothermal quenching furnace according to claim 1, wherein:
the middle points of the first air outlet, the second air outlet and the third air outlet share the same oblique line, and the included angle between the oblique line and the horizontal plane is 11-17 degrees.
3. The device for treating the waste gas and the waste heat of the isothermal quenching furnace according to claim 1, wherein:
the middle area of the upper side of the purified water tank is provided with a liquid feeding port communicated with the inner cavity of the purified water tank, and the lower part of the purified water tank is provided with a water outlet valve communicated with the inner cavity of the purified water tank;
the circumferential outer side of the purified water tank is coated with a thermal insulation coating layer with the thickness of 5-20 mm, and the thermal insulation coating adopts an isolated conduction type thermal insulation coating;
the upper portion in the purified water tank is equipped with the filter screen of horizontal arrangement, and the filter screen cup joints with the pipeline that the first air exhauster was kept away from to first outlet duct mutually, and the aperture of filter screen is 2 to 10 meshes.
4. The device for treating the waste gas and the waste heat of the isothermal quenching furnace according to claim 1, wherein:
the side of the control box opposite to the body is hinged with a box door, the box door is provided with a handle, and at least one side surface in the circumferential direction of the control box is provided with a plurality of strip-shaped heat dissipation holes.
5. The device for treating the waste gas and the waste heat of the isothermal quenching furnace according to claim 1, wherein: the gas filter is connected with the pipeline of the second gas outlet pipe through a flange;
the barrel of gas filter is the hollow cylinder body that the level was arranged, and the axial middle part in the barrel is equipped with an annular boss, sets for: the end of the cylinder body, which is axially close to the purified water tank, is a front end, the end of the cylinder body, which is axially far away from the purified water tank, is a rear end, a first internal thread is arranged between the axial front end of the cylinder body and the annular boss, and a second internal thread is arranged between the axial rear end of the cylinder body and the annular boss;
the water absorption part comprises a circular water absorption box with a horizontal axis and water absorption materials filled in the water absorption box, and the water absorption box comprises a first box body and a first cover body;
a first external thread matched with the first internal thread is arranged on the outer periphery of the first box body, the opening direction of an inner cavity of the first box body is close to the purified water tank, a plurality of first raised lines extending in the axial direction are uniformly distributed on the inner periphery of the first box body, and a plurality of first through holes communicated with the inner cavity of the first box body are formed in the axial direction of the first box body;
a plurality of first grooves which axially extend and correspond to the first raised lines in position one by one are uniformly distributed on the outer periphery of the first cover body, a first screwing button close to the purified water tank is arranged in the middle area of the first cover body in the axial direction, and a plurality of second through holes communicated with the inner cavity of the first cover body are formed in the first cover body in the axial direction;
the inner diameter of the first box body is equal to the outer diameter of the first cover body, and the first box body and the first cover body are clamped and connected by virtue of a plurality of first raised lines and a plurality of first grooves;
the first box body is in internal and external screwed connection with the front side of the barrel and is in contact with the annular boss, and the plurality of first through holes and the plurality of second through holes are positioned in the vertical direction projection range of the inner section circle of the annular boss;
the filter component comprises a circular filter box with a horizontal axis and filter materials filled in the filter box, and the filter box comprises a second box body and a second cover body;
a second external thread matched with the second internal thread is arranged on the outer periphery of the second box body, the opening direction of an inner cavity of the second box body is far away from the purified water tank, a plurality of second raised lines extending in the axial direction are uniformly distributed on the inner periphery of the second box body, and a plurality of third through holes communicated with the inner cavity of the second box body are formed in the axial direction of the second box body;
a plurality of second grooves which axially extend and correspond to the second raised lines in position one by one are uniformly distributed on the outer periphery of the second cover body, a second screwing button far away from the purified water tank is arranged in the middle area of the second cover body in the axial direction, and a plurality of fourth through holes communicated with the inner cavity of the second cover body are axially formed in the second cover body;
the inner diameter of the second box body is equal to the outer diameter of the second cover body, and the second box body and the second cover body are clamped and connected by virtue of a plurality of second raised strips and a plurality of second grooves;
the second box body is in internal and external screwed connection with the rear side of the barrel and is in contact with the annular boss, and the third through holes and the fourth through holes are positioned in the vertical direction projection range of the inner section circle of the annular boss;
the water absorption material is water absorption cotton, and the filtering material is activated carbon.
CN202010333898.XA 2020-04-24 2020-04-24 Isothermal quenching furnace waste gas and waste heat treatment device Pending CN111397386A (en)

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Application Number Priority Date Filing Date Title
CN202010333898.XA CN111397386A (en) 2020-04-24 2020-04-24 Isothermal quenching furnace waste gas and waste heat treatment device

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CN111397386A true CN111397386A (en) 2020-07-10

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Country Link
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140114119A (en) * 2013-03-18 2014-09-26 삼인싸이언스(주) Purifier of harmful gases for a laboratory equipment
CN205860793U (en) * 2016-07-06 2017-01-04 绍兴柯桥宏达陶瓷有限公司 A kind of ceramic kiln waste heat utilization device
CN109647059A (en) * 2017-10-12 2019-04-19 天津市华赛尔气体有限公司 A kind of filter with moisture and impurity in removal gas
CN110813000A (en) * 2019-11-13 2020-02-21 生态环境部南京环境科学研究所 Quenching oil fume waste gas treatment and collection process
CN212006785U (en) * 2020-04-24 2020-11-24 安徽科技学院 Isothermal quenching furnace waste gas and waste heat treatment device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140114119A (en) * 2013-03-18 2014-09-26 삼인싸이언스(주) Purifier of harmful gases for a laboratory equipment
CN205860793U (en) * 2016-07-06 2017-01-04 绍兴柯桥宏达陶瓷有限公司 A kind of ceramic kiln waste heat utilization device
CN109647059A (en) * 2017-10-12 2019-04-19 天津市华赛尔气体有限公司 A kind of filter with moisture and impurity in removal gas
CN110813000A (en) * 2019-11-13 2020-02-21 生态环境部南京环境科学研究所 Quenching oil fume waste gas treatment and collection process
CN212006785U (en) * 2020-04-24 2020-11-24 安徽科技学院 Isothermal quenching furnace waste gas and waste heat treatment device

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