CN210030789U

CN210030789U - Isothermal normalizing furnace temperature control system

Info

Publication number: CN210030789U
Application number: CN201920325852.6U
Authority: CN
Inventors: 蔡荣昌; 周亚苹
Original assignee: Deya Furnace Technology Jiangsu Co Ltd
Current assignee: Deya Furnace Technology Jiangsu Co Ltd
Priority date: 2019-03-15
Filing date: 2019-03-15
Publication date: 2020-02-07
Anticipated expiration: 2029-03-15

Abstract

The utility model discloses an isothermal normalizing furnace temperature control system, which comprises a housin, there is the nozzle inner chamber bottom of casing through screw locking, it has electric valve to peg graft on the inner chamber right side of casing, the right side inner chamber packing of casing has the gas, there is first motor left side inner chamber bottom of casing through bolt locking, there is the plectane output of first motor through shaft coupling locking, the top left side joint of plectane has the connecting block, the right side of connecting block has the one end of head rod through the pivot coupling, the other end of head rod has first baffle through the pivot coupling, the right side central point of first baffle puts the joint and has the second connecting rod, the right side joint of second connecting rod has the second baffle. The furnace temperature control system of the isothermal normalizing furnace can effectively control the furnace temperature of the isothermal normalizing furnace, ensures the hardenability of metal workpieces and obtains the final performance, and better meets the actual use requirements.

Description

Isothermal normalizing furnace temperature control system

Technical Field

The utility model relates to an isothermal normalizing furnace technical field specifically is an isothermal normalizing furnace temperature control system.

Background

The normalizing furnace is a strip-shaped industrial furnace, a fuel sub-high-speed burner is originally adopted in a continuous normalizing furnace of an axle of a forging and smelting workshop of a vehicle factory, the normalizing furnace is mainly used for heating and forging the axle of a train and then carrying out heat treatment, and is one of main equipment of the forging and smelting workshop of the vehicle factory, the normalizing process is a metal heat treatment process of heating a steel piece to be above a critical temperature, preserving heat for a period of time, then taking the steel piece out of the furnace and cooling the steel piece in the air, the prior art adopts an isothermal normalizing furnace to carry out quenching and air cooling tempering treatment on the metal piece, after the metal piece is cooled to a proper temperature, carrying out isothermal tempering in the isothermal furnace to improve the performance, the holding temperature of the isothermal furnace is 500-650 ℃, the isothermal holding time is 1-2 hours, the existing isothermal normalizing furnace temperature control device can not effectively maintain the stability of the temperature control process in the heating process and can not, the hardenability of the metal workpiece is reduced, the workpiece can not obtain the final performance, and the actual use requirement is not met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an isothermal normalizing furnace temperature control system to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the isothermal normalizing furnace temperature control system comprises a shell, wherein a burner is locked at the bottom end of an inner cavity of the shell through a screw, an electric valve is inserted and connected to the right side of the inner cavity of the shell, fuel gas is filled in the inner cavity of the right side of the shell, a first motor is locked at the bottom end of an inner cavity of the left side of the shell through a bolt, an output end of the first motor is locked with a circular plate through a coupling, a connecting block is clamped at the left side of the top end of the circular plate, the right side of the connecting block is connected with one end of a first connecting rod through a rotating shaft, the other end of the first connecting rod is connected with a first baffle through the rotating shaft, a second connecting rod is clamped at the center position of the right side of the first baffle, the right side of the second connecting rod is clamped with a second baffle, a rubber pad is sleeved on the outer wall of the, the utility model discloses a temperature sensor, including heat-conducting plate, casing, bearing and heat-conducting plate, the inner chamber of heat-conducting plate is pegged graft and is had the condenser pipe, the inner chamber top left side spiro union of casing has the notes material pipe, the inner chamber right side central point of casing puts the spiro union and has the discharging pipe, and the discharging pipe is located the top of heat-conducting plate, the top of casing has the second motor through bolt locking, the output of second motor is connected with the round bar, the bottom of round bar extends into the inner chamber of casing and the top end looks hub connection through bearing and heat-conducting plate, the outer wall of round bar has the blade from last all to all welding down.

Preferably, the rubber pad is longer than the first baffle and the second baffle.

Preferably, the outer wall of the condensation pipe is shaped like a snake.

Preferably, the blade gaps are arranged on the outer wall of the round rod, and the distance between adjacent blades is 10 cm.

Preferably, the number of the temperature sensors is two, and the two temperature sensors are symmetrically arranged relative to the round rod.

Compared with the prior art, the beneficial effects of the utility model are that: the temperature control system of the isothermal normalizing furnace controls the temperature of the residual temperature of the gas at the bottom end of the inner cavity of the shell after combustion through the condensing tube, when the temperature of the liquid exceeds the standard temperature, the system quickly sucks away the liquid and the residual temperature transferred upwards after the combustion of the fuel gas by controlling the speed of water flow in the condensation pipe, when the temperature of the liquid is constant, the speed of the water flow in the condensation pipe is reduced, the residual temperature transferred upwards after the combustion of the fuel gas is absorbed by the water in the condensation pipe, when the temperature of the liquid is reduced, the water injection in the condensation pipe is stopped, the residual temperature after the gas combustion is upwards transferred to the liquid to heat the liquid, the device can effectively control the furnace temperature of the isothermal normalizing furnace, ensures the stability of the temperature control process in the heating process, the temperature distribution of the mixed liquid is more uniform, the hardenability of the metal workpiece is ensured, the final performance is obtained, and the practical use requirement is better met.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a top view of a circular plate according to the present invention;

fig. 3 is a top view of the condenser tube of the present invention.

In the figure: 1. the gas burner comprises a shell, 2, a burner, 3, an electric valve, 4, gas, 5, a first motor, 6, a circular plate, 7, a connecting block, 8, a first connecting rod, 9, a first baffle, 10, a second connecting rod, 11, a second baffle, 12, a rubber pad, 13, a one-way valve, 14, a heat conducting plate, 15, a condenser pipe, 16, a material injection pipe, 17, a material discharge pipe, 18, a second motor, 19, a circular rod, 20, a blade, 21 and a temperature sensor.

Detailed Description

The technical solutions in the embodiments of 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 some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an isothermal normalizing furnace temperature control system, which comprises a housing 1, the inner chamber bottom of casing 1 has nozzle 2 through screw locking, the model of nozzle 2 is HONGXING, casing 1's inner chamber right side is pegged graft and is had electric valve 3, electric valve 3's model is DN15-150, casing 1's right side inner chamber is filled with gas 4, casing 1's left side inner chamber bottom has first motor 5 through bolt locking, first motor 5's model is R107R77, first motor 5's output has disc 6 through shaft coupling locking, disc 6's top left side joint has connecting block 7, connecting block 7's right side has the one end of head rod 8 through the pivot shaft coupling, the other end of head rod 8 has first baffle 9 through the pivot shaft coupling, impel disc 6 to drive connecting block 7 to rotate after through first motor 5 normal work, when moving from the left side to right side through connecting block 7, connecting block 7 impels head rod 8, The first baffle 9, the second connecting rod 10, the second baffle 11 and the rubber pad 12 move towards the right side, air is pushed into the center of the inner cavity of the shell 1 through the check valve 13, the second connecting rod 10 is clamped at the center of the right side of the first baffle 9, the second baffle 11 is clamped at the right side of the second connecting rod 10, the rubber pad 12 is sleeved on the outer wall of the second connecting rod 10, the check valve 13 is inserted at the left side of the inner cavity of the shell 1, the heat conducting plate 14 is inserted at the top end of the inner cavity of the shell 1, the condensing pipe 15 is inserted in the inner cavity of the heat conducting plate 14, the residual temperature of the combustion gas 4 at the bottom end of the inner cavity of the shell 1 is subjected to temperature control through the condensing pipe 15, when the liquid temperature exceeds the standard temperature, the system rapidly sucks away the liquid and the residual temperature transferred upwards after the combustion gas 4 through controlling the speed of the water flow in the condensing pipe 15, when, the residual heat transferred upwards after the combustion of the fuel gas 4 is absorbed by the water in the condensation pipe 15, when the temperature of the liquid is reduced, the water injection in the condensation pipe 15 is stopped, the residual heat after the combustion of the fuel gas 4 is transferred upwards to the liquid to heat the liquid, the left side of the top end of the inner cavity of the shell 1 is in threaded connection with the material injection pipe 16, the right side center position of the inner cavity of the shell 1 is in threaded connection with the material discharge pipe 17, the material discharge pipe 17 is positioned at the top end of the heat conducting plate 14, the top end of the shell 1 is locked with the second motor 18 through a bolt, the model of the second motor 18 is MR-J2S-10A, the output end of the second motor 18 is connected with the round rod 19, the round rod 19 and the blades 20 are driven to rotate after the second motor 18 is normally started, the liquid is stirred and mixed evenly, so that the temperature of the liquid is distributed evenly, the bottom end, the outer wall of round bar 19 all has welded blade 20 from last to down, and the inner chamber top left and right sides of casing 1 all has temperature sensor 21 through screw locking, and temperature sensor 21 is high temperature resistant temperature sensor, and the model is PT100, can carry out real-time supervision to the liquid of casing 1 inner chamber through temperature sensor 21, ensures that the liquid of casing 1 inner chamber is in constant temperature state all the time, has guaranteed metal workpiece's hardenability and has obtained final performance.

Preferably, the length of the rubber pad 12 is greater than that of the first baffle 9 and the second baffle 11, the circular plate 6 is driven by the first motor 5 to rotate the connecting block 7 after the first motor operates normally, and when the connecting block 7 moves from left to right, the connecting block 7 pushes the first connecting rod 8, the first baffle 9, the second connecting rod 10, the second baffle 11 and the rubber pad 12 to move to right, so that air is pushed into the center of the inner cavity of the housing 1 through the check valve 13.

As preferred scheme, furthermore, the outer wall shape of condenser pipe 15 is snakelike, carry out temperature control through condenser pipe 15 to the residual heat after 4 combustions of the gas of casing 1 inner chamber bottom, when liquid temperature exceeded standard temperature, the speed of system through controlling the interior rivers of condenser pipe 15, the residual heat that upwards transmits after fast siphoning away liquid and 4 combustions of gas, when liquid temperature was constant, reduce the speed of the interior rivers of condenser pipe 15, absorb the residual heat that upwards transmits after 4 combustions of gas through the water in condenser pipe 15, when liquid temperature reduced, stop to filling water in the condenser pipe 15, the residual heat after 4 combustions of gas upwards transmits for liquid, heat liquid.

Preferably, the blades 20 are arranged on the outer wall of the round bar 19 in a clearance manner, the distance between adjacent blades 20 is 10cm, and the round bar 19 and the blades 20 are driven to rotate after the second motor 18 is normally started, so that the liquid is stirred and mixed uniformly, and the temperature distribution of the liquid is uniform.

Preferably, the number of the temperature sensors 21 is two, and the two temperature sensors 21 are symmetrically arranged relative to the round rod 19, so that the liquid in the inner cavity of the housing 1 can be monitored in real time through the temperature sensors 21, the liquid in the inner cavity of the housing 1 is always in a constant temperature state, and the hardenability and the final performance of the metal workpiece are guaranteed.

The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.

When the device is used, liquid is injected into the inner cavity of the shell 1 through the material injection pipe 16, the power supplies of the burner 2, the electric valve 3, the first motor 5, the second motor 18 and the temperature sensor 21 are switched on, the second motor 18 is normally started to drive the round rod 19 and the blades 20 to rotate to stir and mix the liquid uniformly, so that the temperature of the liquid is uniformly distributed, when the temperature sensor 21 detects that the liquid temperature in the inner cavity of the shell 1 is low during normal operation, the burner 2, the electric valve 3 and the first motor 5 are started through the control system, the round plate 6 is driven to drive the connecting block 7 to rotate after the first motor 5 normally operates, when the connecting block 7 moves from the left side to the right side, the connecting block 7 drives the first connecting rod 8, the first baffle 9, the second connecting rod 10, the second baffle 11 and the rubber pad 12 to move to the right side, so that air is pushed into the center position of the inner, the electric valve 3 is opened after being normally started, so that the gas 4 is enabled to flow into the center of the inner cavity of the shell 1, the burner 2 is ignited after being normally started, the gas 4 is enabled to burn, the system controls the burning degree of the gas 4 by controlling the rotating revolution of the first motor 5, thereby controlling the temperature of the gas 4 during burning, the temperature of the gas 4 after burning is upwards transferred to the liquid at the top end of the inner cavity of the shell 1 through the heat conducting plate 14 to heat the liquid, the second motor 18 drives the round rod 19 and the blades 20 to stir the liquid, so that the temperature distribution of the liquid is more uniform, when the temperature sensor 21 detects that the temperature of the liquid reaches the standard temperature, the control system closes the burner 2, the electric valve 3 and the first motor 5, injects water into the inner cavity of the condenser pipe 15, and controls the temperature of the residual temperature of the gas 4 at the bottom end of the inner cavity of the shell, when liquid temperature surpassed standard temperature, the speed of rivers in the system through control condenser pipe 15, the rapid residual heat of upwards transmitting after siphoning away liquid and 4 burning of gas, when liquid temperature is constant, reduce the speed of rivers in the condenser pipe 15, absorb the residual heat of upwards transmitting after 4 burning of gas through the water in the condenser pipe 15, when liquid temperature reduces, stop to water injection in the condenser pipe 15, the residual heat after 4 burning of gas upwards transmits for liquid, heat liquid, the device simple structure, control convenient to use, metal workpiece's hardenability and acquisition final performance have been guaranteed, more accord with actual user demand.

In the description of the present invention, it is to be understood that the terms "coupling," "bottom end," "one end," "top end," "center position," "other end," "left side," "right side," "top portion," "inner chamber," "front side," "two sides," "two ends," and the like, indicate orientations or positional relationships based on the orientation or positional relationship illustrated in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation; also, unless expressly stated or limited otherwise, the terms "snap" and "pivot" and "snap" and "weld" and "screw" are to be construed broadly, e.g., as a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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

1. The utility model provides an isothermal normalizing furnace temperature control system, includes casing (1), its characterized in that: the burner is characterized in that a burner (2) is locked at the bottom end of an inner cavity of the shell (1) through a screw, an electric valve (3) is inserted and connected to the right side of the inner cavity of the shell (1), fuel gas (4) is filled in the inner cavity of the right side of the shell (1), a first motor (5) is locked at the bottom end of an inner cavity of the left side of the shell (1) through a bolt, an output end of the first motor (5) is locked with a circular plate (6) through a shaft coupling, a connecting block (7) is clamped at the left side of the top end of the circular plate (6), one end of a first connecting rod (8) is connected at the right side of the connecting block (7) through a rotating shaft, a first baffle (9) is connected at the other end of the first connecting rod (8) through a rotating shaft, a second connecting rod (10) is clamped at the center position of, the outer wall of the second connecting rod (10) is sleeved with a rubber pad (12), the left side of an inner cavity of the shell (1) is spliced with a check valve (13), the top end of the inner cavity of the shell (1) is spliced with a heat conducting plate (14), the inner cavity of the heat conducting plate (14) is spliced with a condensing pipe (15), the left side of the top end of the inner cavity of the shell (1) is spliced with a material injection pipe (16), the center position of the right side of the inner cavity of the shell (1) is spliced with a material discharge pipe (17), the material discharge pipe (17) is positioned at the top end of the heat conducting plate (14), the top end of the shell (1) is locked with a second motor (18) through a bolt, the output end of the second motor (18) is connected with a round rod (19), the bottom end of the round rod (19) extends into the inner cavity of the shell (1) and is in shaft connection with the top end of the, the left side and the right side of the top end of the inner cavity of the shell (1) are locked with temperature sensors (21) through screws.

2. The system for controlling the temperature of the isothermal normalizing furnace according to claim 1, wherein: the length of the rubber pad (12) is larger than that of the first baffle plate (9) and the second baffle plate (11).

3. The system for controlling the temperature of the isothermal normalizing furnace according to claim 1, wherein: the outer wall of the condensation pipe (15) is in a snake shape.

4. The system for controlling the temperature of the isothermal normalizing furnace according to claim 1, wherein: the blades (20) are arranged on the outer wall of the round rod (19) in a clearance mode, and the distance between every two adjacent blades (20) is 10 cm.

5. The system for controlling the temperature of the isothermal normalizing furnace according to claim 1, wherein: the number of the temperature sensors (21) is two, and the two temperature sensors (21) are symmetrically arranged relative to the round rod (19).