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CN-121977354-A - Temperature-controllable furnace body structure for sintering metal powder

CN121977354ACN 121977354 ACN121977354 ACN 121977354ACN-121977354-A

Abstract

The invention relates to the technical field of chemical equipment, in particular to a temperature-controllable furnace body structure for sintering metal powder, which comprises a controllable furnace body, an upper sealing cover mechanism and a lower sealing cover mechanism, wherein a water inlet pipe and a water outlet pipe are connected to an outer furnace cylinder, the bottom of the water inlet pipe is connected with a circulating water pump, one side of the upper sealing cover mechanism is provided with a tail gas treatment mechanism, the tail gas treatment mechanism comprises an air pump and a tail gas treatment box, and the air pump and the tail gas treatment box are communicated with the inside of an inner furnace cylinder through air exhaust pipes. According to the invention, the upper sealing cover and the lower sealing cover ensure the sealing of the furnace body, heat loss and impurity entering are reduced, the temperature sensors are arranged at a plurality of positions of the inner furnace cylinder and the outer furnace cylinder, the temperatures of different positions can be comprehensively monitored, the control box adjusts the power of the heating strip according to data, the accurate temperature control is realized, the water tank and the circulating water pump are matched with the water inlet and the water outlet pipes, the temperature of the furnace body is quickly reduced, the ash removing cylinder mechanism and the ash removing roller can clean dust, the dust collection cotton is arranged at the air outlet, and the sintering quality and the production efficiency are improved.

Inventors

  • HU KANGKANG
  • LI YONGZHI
  • YING XIAOWEI

Assignees

  • 福建煌源金属有限公司

Dates

Publication Date
20260505
Application Date
20260409

Claims (10)

  1. 1. The utility model provides a controllable furnace body structure of metal powder sintering's temperature, includes controllable furnace body (1), goes up closing cap mechanism (2) and lower closing cap mechanism (3), its characterized in that, go up closing cap mechanism (2) and set up the last port of controllable furnace body (1), lower closing cap mechanism (3) set up the lower port of controllable furnace body (1), controllable furnace body (1) include interior stove section of thick bamboo (101) and outer stove section of thick bamboo (102), the inside of interior stove section of thick bamboo (101) is provided with a plurality of evenly distributed's heating strip (10), the lateral surface of outer stove section of thick bamboo (102) is fixed to be provided with furnace body support frame (5); the upper sealing cover mechanism (2) comprises an upper sealing cover (201) arranged on an upper electric telescopic rod (202), a plurality of metal powder placing frames (205) are connected below the upper sealing cover (201) through placing frame connecting rods (204), the metal powder placing frames (205) are vertically arranged in the inner furnace barrel (101), and a second temperature sensor (902) is fixedly arranged at the bottom of the upper sealing cover (201); The lower sealing mechanism (3) comprises a lower sealing cover (301), the lower sealing cover (301) is used for sealing a lower port of the controllable furnace body (1), a sealing cone (303) is fixedly arranged in the middle of the lower sealing cover (301), a first temperature sensor (901) is arranged at the upper end of the sealing cone (303), the first temperature sensor (901), the second temperature sensor (902), the heating strip (10) and the upper electric telescopic rod (202) are connected with a control box (9), and the control box (9) is fixedly arranged on the furnace body supporting frame (5); The water tank (8) is arranged right below the controllable furnace body (1), and the circulating water pump (1051) is arranged in the water tank (8) and is in communication connection with the control box (9); One side of the upper sealing cover mechanism (2) is provided with a tail gas treatment mechanism (4), the tail gas treatment mechanism (4) comprises a sucking pump (401) and a tail gas treatment box (402), and the sucking pump (401) and the tail gas treatment box (402) are communicated with the inside of the inner furnace barrel (101) through a sucking pipe (403).
  2. 2. The temperature-controllable furnace body structure for sintering metal powder according to claim 1, wherein an upper sealing ring (203) is fixedly arranged on the lower side surface of the upper sealing cover (201), the upper sealing ring (203) is clamped between the inner furnace cylinder (101) and the outer furnace cylinder (102), and the upper sealing ring (203) is used for sealing an upper port of the controllable furnace body (1).
  3. 3. The temperature-controllable furnace body structure for sintering metal powder according to claim 1, wherein the sealing cone (303) is arranged inside the inner furnace barrel (101), a lower hydraulic rod (302) is arranged at the bottom of the lower sealing cover (301), the lower hydraulic rod (302) is in communication connection with the control box (9), and the lower hydraulic rod (302) is used for vertically pushing the lower sealing cover (301).
  4. 4. The temperature-controllable furnace body structure for sintering metal powder according to claim 1, wherein a plurality of furnace cylinder connecting blocks (103) are fixedly arranged in the inner furnace cylinder (101) and the outer furnace cylinder (102), and the inner furnace cylinder (101) is fixedly connected with the outer furnace cylinder (102) through the furnace cylinder connecting blocks (103); One side of the furnace cylinder connecting block (103) is fixedly provided with a third temperature sensor (903) on the inner side surface of the outer furnace cylinder (102), and the third temperature sensor (903) is in communication connection with the control box (9).
  5. 5. The temperature-controllable furnace body structure for sintering metal powder according to claim 1, wherein the upper sealing cover (201) is provided with an air suction hole (206), the air suction pipe (403) is communicated with the inside of the inner furnace cylinder (101) through the air suction hole (206), the air suction pipe (403) is communicated with the inside of the tail gas treatment box (402) through an air inlet connecting block (4024), an ash removal cylinder mechanism (6) is rotationally arranged in the tail gas treatment box (402), the ash removal cylinder mechanism (6) comprises an ash removal cylinder (601) and a driving motor (602), the driving motor (602) is fixedly arranged on the furnace body support frame (5), an ash removal net cylinder (6012) is fixedly arranged on the ash removal cylinder (601), one end of the ash removal cylinder mechanism (6) is connected with an ash removal cylinder driven gear (6011), and the ash removal cylinder driven gear (6011) is arranged on the outer side surface of the tail gas treatment box (402); The output end of the driving motor (602) is provided with a driving gear (6021), the driving gear (6021) is in meshed connection with the ash removal barrel driven gear (6011), and the driving motor (602) is used for rotating the ash removal barrel (601).
  6. 6. The temperature-controllable furnace body structure for sintering metal powder according to claim 5, wherein an exhaust port (4021) corresponding to the air inlet connecting block (4024) is formed in one side of the tail gas treatment box (402), dust collection cotton (11) is arranged on the exhaust port (4021), a treatment box support frame (502) is connected to the furnace body support frame (5), and the tail gas treatment box (402) is fixedly connected with the treatment box support frame (502) through a treatment box fixing block (4025).
  7. 7. The temperature-controllable furnace body structure for sintering metal powder according to claim 6, wherein a cleaning box (4022) is connected to one side of the tail gas treatment box (402), an ash removing roller (603) is rotatably arranged in the cleaning box (4022), the ash removing roller (603) abuts against the outer side face of the ash removing net drum (6012), an ash removing roller driven gear (6031) is connected to one end of the ash removing roller (603), the ash removing roller driven gear (6031) is in meshed connection with the driving gear (6021), and the driving motor (602) is used for rotating the ash removing roller (603).
  8. 8. The temperature-controllable furnace body structure for sintering metal powder according to claim 7, wherein the cleaning box (4022) is connected with a spray pump (7) through a spray pipe (701), the spray pump (7) is arranged in the water tank (8), one end, far away from the spray pump (7), of the spray pipe (701) is connected with a water spray nozzle, and the water spray nozzle is arranged in the cleaning box (4022); The port of the cleaning box (4022) is rotatably provided with a cleaning box door body (4023).
  9. 9. The temperature-controllable furnace structure for sintering metal powder according to claim 1, wherein symmetrically-distributed furnace body fixing blocks (107) are arranged on the outer side surface of the outer furnace barrel (102), the furnace body fixing blocks (107) are fixedly connected with the furnace body supporting frame (5), a telescopic rod supporting frame (503) is fixedly connected to the furnace body supporting frame (5), and the upper electric telescopic rod (202) is fixedly connected with the telescopic rod supporting frame (503).
  10. 10. The temperature-controllable furnace body structure for sintering metal powder according to claim 3, wherein the furnace body support frame (5) is connected with a hydraulic rod support frame (501), the lower hydraulic rod (302) is fixedly connected with the hydraulic rod support frame (501), and the water tank (8) is arranged in the furnace body support frame (5).

Description

Temperature-controllable furnace body structure for sintering metal powder Technical Field The invention relates to a controllable furnace body structure, in particular to a temperature-controllable furnace body structure for sintering metal powder, and belongs to the technical field of chemical equipment. Background In the metal powder sintering process, the accurate control of the temperature in the furnace and the effective treatment of the tail gas generated in the sintering process are key factors for ensuring the quality of the sintered product and protecting the environment. The traditional metal powder sintering furnace body structure is simpler, also has a plurality of problems in the aspects of tightness, structural stability, convenience of operation and the like, for example, heat dissipation can be caused by the fact that the furnace body is not tightly sealed, energy consumption is increased, stability of a sintering process can be influenced due to unstable structure, accurate setting and dynamic adjustment of temperature in the furnace are difficult to achieve according to sintering characteristics of different metal powders, quality of a sintered product is unstable, and defective rate is high. Meanwhile, in the aspect of tail gas treatment, the traditional furnace body has obvious defects, tail gas generated in the sintering process contains a large amount of harmful substances and dust, if the tail gas is directly discharged, the tail gas can not only cause serious pollution to the environment, but also harm the health of operators, the existing tail gas treatment device has limited treatment effect, various pollutants in the tail gas can not be effectively removed, and the equipment maintenance cost is higher. Accordingly, there is a need for an improved furnace for sintering metal powders to solve the above-mentioned problems. Disclosure of Invention The invention aims to provide a temperature-controllable furnace body structure for sintering metal powder, an upper sealing cover and a lower sealing cover ensure the sealing of a furnace body, heat dissipation and impurity entering are reduced, temperature sensors are arranged at a plurality of positions of an inner furnace cylinder and an outer furnace cylinder, the temperatures of different positions can be comprehensively monitored, a control box adjusts the power of a heating strip according to data, the accurate temperature control is realized, a water tank and a circulating water pump are matched with a water inlet and a water outlet pipe, the temperature of the furnace body is quickly reduced, a dust cleaning cylinder mechanism and a dust cleaning roller can clean dust, dust collection cotton is arranged at an exhaust port, and the sintering quality and the production efficiency are improved. In order to achieve the above purpose, the main technical scheme adopted by the invention comprises the following steps: The temperature-controllable furnace body structure for sintering metal powder comprises a controllable furnace body, an upper sealing cover mechanism and a lower sealing cover mechanism, wherein the upper sealing cover mechanism is arranged at an upper port of the controllable furnace body, the lower sealing cover mechanism is arranged at a lower port of the controllable furnace body, the controllable furnace body comprises an inner furnace cylinder and an outer furnace cylinder, a plurality of uniformly distributed heating strips are arranged in the inner furnace cylinder, and a furnace body supporting frame is fixedly arranged on the outer side surface of the outer furnace cylinder; The upper sealing cover mechanism comprises an upper sealing cover arranged on an upper electric telescopic rod, a plurality of metal powder placing frames are connected below the upper sealing cover through placing frame connecting rods, the metal powder placing frames are vertically arranged in the inner furnace barrel, and a second temperature sensor is fixedly arranged at the bottom of the upper sealing cover; The lower sealing mechanism comprises a lower sealing cover, the lower sealing cover is used for sealing a lower port of the controllable furnace body, a sealing cone is fixedly arranged in the middle of the lower sealing cover, a first temperature sensor is arranged at the upper end of the sealing cone, the first temperature sensor, the second temperature sensor, the heating strip and the upper electric telescopic rod are all connected with a control box, and the control box is fixedly arranged on the furnace body supporting frame; The water tank is arranged right below the controllable furnace body, and the circulating water pump is arranged in the water tank and is in communication connection with the control box; One side of the upper sealing cover mechanism is provided with a tail gas treatment mechanism, the tail gas treatment mechanism comprises an air pump and a tail gas treatment box, and the air pump and the tail gas treatm