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CN-224215559-U - Automatic temperature adjusting device for hot blast stove

CN224215559UCN 224215559 UCN224215559 UCN 224215559UCN-224215559-U

Abstract

The utility model discloses an automatic temperature adjusting device for a hot blast stove, which belongs to the technical field of hot blast stoves and comprises a bottom plate and a combustion box body, wherein the combustion box body is fixedly arranged at the upper end of the bottom plate, a combustion chamber is arranged in the combustion box body, one end of the combustion chamber penetrates through one side of the combustion box body, the other end of the combustion chamber is connected with a burner, the upper end of the combustion box body is provided with a gas circulation structure, the gas circulation structure comprises an air inlet pipe, a temperature control box body and an air outlet pipe, the adopted gas circulation structure is used for integrally heating the combustion chamber through the burner and heating gas in the combustion box body, the temperature is adjusted, the air outlet quantity is controlled through the temperature control structure, the heated gas and unheated gas are conveyed in proportion, the integral temperature control effect is guaranteed, the air outlet size of an air inlet frame is changed through an electric push rod, and the conveying quantity of cold air is rapidly adjusted.

Inventors

  • YAO DONGXIANG
  • YANG WENCHAO
  • Cui Sanbao
  • REN XINLI
  • YANG JUN

Assignees

  • 济源市三合热能环保有限公司

Dates

Publication Date
20260508
Application Date
20250506

Claims (7)

  1. 1. The utility model provides a hot-blast furnace temperature automatic regulating apparatus, includes bottom plate (1) and burning box (2), its characterized in that, burning box (2) fixed mounting in bottom plate (1) upper end, be equipped with combustion chamber (3) in burning box (2), combustion chamber (3) one end run through in burning box (2) one side, combustion chamber (3) other end is connected with combustor (4), burning box (2) upper end is equipped with gas circulation structure, gas circulation structure includes intake pipe (5), accuse temperature box (6) and outlet duct (7); one end of the air inlet pipe (5) is communicated with one side of the upper end of the combustion box body (2), the temperature control box body (6) is fixedly arranged on the other side of the upper end of the combustion box body (2) and is communicated with the combustion box body (2), and one end of the air outlet pipe (7) is communicated with the other end of the temperature control box body (6).
  2. 2. The automatic temperature adjusting device for the hot blast stove according to claim 1, wherein a temperature control structure is connected between the air inlet pipe (5) and the temperature control box body (6), and the temperature control structure comprises a connecting pipe (8), a control valve (9), a hose (10), an electric push rod (11), a sealing plate (12), an air inlet frame (13) and a top sealing plate (14); Connecting pipe (8) one end with intake pipe (5) one side intercommunication, control valve (9) install in connecting pipe (8) upper end, hose (10) one end with connecting pipe (8) intercommunication, electric putter (11) install in temperature control box (6) side wall department, and flexible end activity inlay in temperature control box (6) side wall department, closing plate (12) activity inlay in temperature control box (6) side wall department, and with electric putter (11) flexible end connection, air inlet frame (13) fixed mounting in closing plate (12) upper end, and the activity inlay in temperature control box (6) one side wall, air inlet frame (13) one end with hose (10) other end connection, top sealing plate (14) fixed inlay in temperature control box (6) one side wall department, and be located air inlet frame (13) upper end.
  3. 3. An automatic temperature adjusting device for a hot blast stove according to claim 2, characterized in that a push rod fixing frame (15) is arranged at the joint of the electric push rod (11) and the temperature control box body (6).
  4. 4. An automatic temperature regulating device for a hot blast stove according to claim 2, characterized in that the top sealing plate (14) and the side wall of the temperature control box body (6) are provided with connecting reinforcing ribs (16).
  5. 5. An automatic temperature regulating device for a hot blast stove according to claim 1, characterized in that the width of the closing plate (12) corresponds to the internal width of the temperature control box (6).
  6. 6. An automatic stove temperature regulating device according to claim 2, characterized in that the closing plate (12) is "L" -shaped.
  7. 7. An automatic temperature regulating device for a hot blast stove according to claim 1, characterized in that a sealing ring (17) is arranged at the joint of the air inlet pipe (5) and the combustion box body (2).

Description

Automatic temperature adjusting device for hot blast stove Technical Field The utility model relates to the technical field of hot blast stoves, in particular to an automatic temperature adjusting device for a hot blast stove. Background The hot blast stove is one kind of equipment for producing hot blast with fuel, and is widely used in industrial production, especially in the technological steps of drying, heating, smelting, etc. The main principle is that heat is generated by burning fuel (such as natural gas, heavy oil, coal and the like) and is conveyed to materials or spaces to be heated by a fan. At present, the hot air load and the temperature are controlled by adjusting the air supplementing quantity and the fuel quantity of the combustion chamber, so that the control has poor adjusting precision and hysteresis, and therefore, a new technical scheme is required to be designed for solving the problems. Disclosure of utility model The utility model aims to provide an automatic temperature adjusting device for a hot blast stove, which solves the problems that when the automatic temperature adjusting device for the hot blast stove is used, the hot blast load and the temperature are controlled by adjusting the air supplementing quantity and the fuel quantity of a combustion chamber, the control is relatively poor in adjusting precision, and the control has hysteresis. The automatic temperature adjusting device for the hot blast stove comprises a bottom plate and a combustion box body, wherein the combustion box body is fixedly arranged at the upper end of the bottom plate, a combustion chamber is arranged in the combustion box body, one end of the combustion chamber penetrates through one side of the combustion box body, the other end of the combustion chamber is connected with a combustor, the upper end of the combustion box body is provided with a gas circulation structure, and the gas circulation structure comprises an air inlet pipe, a temperature control box body and an air outlet pipe; One end of the air inlet pipe is communicated with one side of the upper end of the combustion box body, the temperature control box body is fixedly arranged on the other side of the upper end of the combustion box body and communicated with the combustion box body, and one end of the air outlet pipe is communicated with the other end of the temperature control box body. As an automatic temperature adjusting device for the hot blast stove, the automatic temperature adjusting device is preferable, a temperature control structure is connected between the air inlet pipe and the temperature control box body, and the temperature control structure comprises a connecting pipe, a control valve, a hose, an electric push rod, a sealing plate, an air inlet frame and a top sealing plate; One end of the connecting pipe is communicated with one side of the air inlet pipe, the control valve is arranged at the upper end of the connecting pipe, one end of the hose is communicated with the connecting pipe, the electric push rod is arranged at one side wall surface of the temperature control box body, the telescopic end of the electric push rod is movably embedded in the side wall of the temperature control box body, the sealing plate is movably embedded in one side wall surface of the temperature control box body and is connected with the telescopic end of the electric push rod, the air inlet frame is fixedly arranged at the upper end of the sealing plate and is movably embedded in one side wall surface of the temperature control box body, one end of the air inlet frame is connected with the other end of the hose, and the top sealing plate is fixedly embedded in one side wall surface of the temperature control box body and is positioned at the upper end of the air inlet frame. As the automatic temperature adjusting device for the hot blast stove, the utility model is preferable, and a push rod fixing frame is arranged at the joint of the electric push rod and the temperature control box body. As the automatic temperature adjusting device for the hot blast stove, the top sealing plate and the side wall of the temperature control box body are preferably provided with connecting reinforcing ribs. Preferably, as the automatic temperature adjusting device for the hot blast stove, the width of the sealing plate is consistent with the width of the inner part of the temperature control box body. As an automatic temperature adjusting device for the hot blast stove, the shape of the sealing plate is preferably L-shaped. As an automatic temperature adjusting device for the hot blast stove, the joint of the air inlet pipe and the combustion box body is preferably provided with a sealing ring. Compared with the prior art, the automatic temperature adjusting device for the hot blast stove has the beneficial effects that the automatic temperature adjusting device for the hot blast stove is reasonable in structural design; 1. The adopted gas circula