CN-224215835-U - Heat radiation system and resistance furnace

CN224215835UCN 224215835 UCN224215835 UCN 224215835UCN-224215835-U

Abstract

The application provides a heat dissipation system and a resistance furnace, which belong to the technical field of metal heat treatment equipment and comprise a plurality of air exhaust holes, a plurality of air inlet holes and a temperature control assembly, wherein the air exhaust holes are axially arranged along the resistance furnace, the air inlet holes are formed at the lower side of the resistance furnace, each air inlet hole is provided with at least one corresponding air exhaust hole so that the entering air is transmitted to the corresponding air exhaust holes to form a plurality of groups of heat dissipation spaces which are axially and alternately arranged along the resistance furnace, the temperature control assembly is used for monitoring the temperature of each group of heat dissipation spaces, the air exhaust holes are connected with an upper adjusting mechanism, the air inlet holes are connected with a lower adjusting mechanism, and the temperature control assembly is also used for controlling any one of the upper adjusting mechanism or the lower adjusting mechanism so as to change the corresponding heat dissipation air flow. According to the heat radiation system and the resistance furnace, through the corresponding design of the upper and lower side air inlet/exhaust holes, each heat radiation air flow can be ensured to cover a specific area in a targeted manner, and the temperature control precision and the operation efficiency of the resistance furnace are improved by combining the temperature control assembly and the adjusting mechanism.

Inventors

SHENG YONGGANG
YANG KAIZHONG
Sheng Weizhe
ZHAO ZHIWEI
DIAO PENG
WANG SHUO
YU LISONG

Assignees

河北和和能源科技有限公司

Dates

Publication Date: 20260508
Application Date: 20250710

Claims (10)

1. The cooling system for adopt horizontal column body structure's resistance furnace, its characterized in that includes: The exhaust holes are arranged on the upper side of the resistance furnace and are axially distributed along the resistance furnace; A plurality of air inlet holes, each of which is provided with at least one corresponding air outlet hole, so that the entering air is transmitted to the corresponding air outlet holes to form at least one radiating air flow and a plurality of groups of radiating spaces which are axially and alternately arranged along the resistance furnace, and The temperature control assembly is used for monitoring the temperature of each group of heat dissipation space; The exhaust hole is connected with an upper adjusting mechanism for controlling the exhaust efficiency of the exhaust hole, and the air inlet hole is connected with a lower adjusting mechanism for controlling the ventilation efficiency of the exhaust hole; The temperature control assembly is also used for controlling any one of the upper adjusting mechanism or the lower adjusting mechanism so as to change the corresponding radiating airflow.
2. The heat dissipation system of claim 1, wherein the heat dissipation system further comprises: the exhaust pipes are arranged on the upper side of the resistance furnace and are communicated with the exhaust holes in a one-to-one correspondence manner, and the corresponding exhaust pipes and the exhaust holes are coaxially arranged; The upper adjusting mechanism is used for sealing a part of a pipe cavity or an integral pipe cavity of the exhaust pipe so as to adjust the exhaust efficiency of the exhaust hole.
3. The heat dissipation system of claim 2, wherein the upper adjustment mechanism comprises: The cover plate is arranged at the air outlet of the exhaust pipe, the cover plate is hinged with the exhaust pipe, the hinge axis of the cover plate is perpendicular to the axis of the exhaust pipe, the cover plate is suitable for sealing the pipe cavity of the exhaust pipe when the cover plate rotates around the hinge axis of the cover plate, and The power output end of the first electric push rod is hinged with the cover plate, and the hinge axis of the power output end of the first electric push rod is parallel to the hinge axis of the cover plate; When the power output end of the first electric push rod extends or retracts, the first electric push rod is suitable for driving the cover plate to rotate, so that the cover plate shields part of the pipe cavity of the exhaust pipe or closes the whole pipe cavity of the exhaust pipe.
4. The heat dissipating system of claim 3, wherein a side of said cover plate for connection to said air outlet end of said air outlet pipe is provided with a first fire barrier; When the first electric push rod drives the cover plate to rotate, the first fireproof partition plate is suitable for shielding part of the pipe cavity of the exhaust pipe or sealing the pipe cavity of the exhaust pipe.
5. The heat dissipating system of claim 1 wherein said air inlet is of a bar-like configuration and the longitudinal direction of said air inlet is parallel to the axial direction of the electric resistance furnace, and wherein a plurality of said air inlets are arranged in parallel in the horizontal direction and the direction of arrangement of said air inlets is perpendicular to the axial direction of the electric resistance furnace, and the axial direction of each of said air inlets is parallel to the up-down direction.
6. The heat dissipation system of claim 5, wherein the lower adjustment mechanism comprises: A connecting rod hinged on the side wall of the resistance furnace, wherein the hinge axis of the connecting rod is parallel to the axis of the resistance furnace, one end of the connecting rod is provided with a top plate which is suitable for closing the air inlet hole when the connecting rod rotates around the hinge axis of the connecting rod, and The second electric push rod is arranged on the side face of the resistance furnace, the power output end of the second electric push rod is hinged with the other end of the connecting rod, and the hinge axis of the power output end of the second electric push rod is parallel to the hinge axis of the connecting rod; When the power output end of the second electric push rod extends or retracts, the second electric push rod is suitable for driving the connecting rod to rotate, so that the top plate partially shields the air inlet hole or completely closes the air inlet hole.
7. The heat dissipating system of claim 6, wherein a side of said top plate for connection to an intake end of said intake port is provided with a second fire barrier; When the second electric push rod drives the connecting rod to rotate, the second fireproof partition plate is suitable for partially shielding the air inlet hole or completely closing the air inlet hole.
8. The heat dissipating system of claim 1, wherein the temperature control component is a plurality of temperature sensors arranged at intervals along an axial direction of the resistance furnace, and the plurality of temperature sensors are in one-to-one correspondence with the plurality of groups of the heat dissipating spaces for monitoring the temperatures of the corresponding heat dissipating spaces.
9. The heat dissipation system of claim 8, wherein the heat dissipation system further comprises: The controller is provided with a plurality of signal output ends, the signal output ends are in one-to-one correspondence with a plurality of groups of heat dissipation spaces, and each signal output end is respectively and electrically connected with the upper adjusting mechanism and the lower adjusting mechanism in the corresponding heat dissipation space so as to adjust the heat dissipation air flow in each group of heat dissipation spaces.
10. A resistance furnace comprising a furnace body having a horizontal columnar structure, and a heat dissipation system according to any one of the preceding claims 1 to 9.

Description

Heat radiation system and resistance furnace Technical Field The utility model belongs to the technical field of metal heat treatment equipment, and particularly relates to a heat dissipation system and a resistance furnace. Background The resistance furnace is a device for heating materials in a furnace body by utilizing electric current to generate Joule heat through an electric heating element (such as a resistance wire, a silicon carbide rod and the like). The device has the advantages of relatively simple structure, high temperature control precision, good heating uniformity, convenient operation and maintenance and the like, and is widely applied to the technical processes of metal material heat treatment (such as annealing, normalizing, quenching, tempering), powder sintering, crystal growth and the like in the fields of metallurgy, machinery, ceramics, chemical industry, scientific research and the like. After the resistance furnace is heated, the resistance furnace is usually required to be cooled and radiated in order to meet the requirements of subsequent processing or material organization performance. The operation mode commonly adopted at present is to open the furnace door and utilize natural convection and radiation of air inside and outside the furnace chamber to dissipate heat. The inventor finds that the existing heat dissipation mode has the condition of uneven heat dissipation efficiency distribution in the furnace, in particular to that materials close to the furnace door area are directly exposed to cold air, the heat dissipation speed is very high, and the cooling speed of the materials positioned at a deeper position in the furnace body is obviously delayed from the materials near the furnace door due to the fact that the materials are far away from the furnace door. Disclosure of utility model The application aims to provide a heat dissipation system and a resistance furnace, which are used for solving the technical problem that the heat dissipation efficiency distribution is uneven in the existing resistance furnace heat dissipation mode. In order to achieve the above purpose, the application adopts the following technical scheme: Provided is a heat dissipation system including: The exhaust holes are arranged on the upper side of the resistance furnace and are axially distributed along the resistance furnace; A plurality of air inlet holes, each of which is provided with at least one corresponding air outlet hole, so that the entering air is transmitted to the corresponding air outlet holes to form at least one radiating air flow and a plurality of groups of radiating spaces which are axially and alternately arranged along the resistance furnace, and The temperature control assembly is used for monitoring the temperature of each group of heat dissipation space; The exhaust hole is connected with an upper adjusting mechanism for controlling the exhaust efficiency of the exhaust hole, and the air inlet hole is connected with a lower adjusting mechanism for controlling the ventilation efficiency of the exhaust hole; The temperature control assembly is also used for controlling any one of the upper adjusting mechanism or the lower adjusting mechanism so as to change the corresponding radiating airflow. In one possible implementation, the heat dissipation system further includes: the exhaust pipes are arranged on the upper side of the resistance furnace and are communicated with the exhaust holes in a one-to-one correspondence manner, and the corresponding exhaust pipes and the exhaust holes are coaxially arranged; The upper adjusting mechanism is used for sealing a part of a pipe cavity or an integral pipe cavity of the exhaust pipe so as to adjust the exhaust efficiency of the exhaust hole. In one possible implementation, the upper adjustment mechanism includes: The cover plate is arranged at the air outlet of the exhaust pipe, the cover plate is hinged with the exhaust pipe, the hinge axis of the cover plate is perpendicular to the axis of the exhaust pipe, the cover plate is suitable for sealing the pipe cavity of the exhaust pipe when the cover plate rotates around the hinge axis of the cover plate, and The power output end of the first electric push rod is hinged with the cover plate, and the hinge axis of the power output end of the first electric push rod is parallel to the hinge axis of the cover plate; When the power output end of the first electric push rod extends or retracts, the first electric push rod is suitable for driving the cover plate to rotate, so that the cover plate shields part of the pipe cavity of the exhaust pipe or closes the whole pipe cavity of the exhaust pipe. In one possible implementation manner, a first fireproof partition is arranged on one side, which is used for being connected with the air outlet end of the exhaust pipe, of the cover plate; When the first electric push rod drives the cover plate to rotate, the first fireproof partition plate is s