CN215352785U - Flue gas temperature control device - Google Patents

Flue gas temperature control device Download PDF

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Publication number
CN215352785U
CN215352785U CN202121864695.XU CN202121864695U CN215352785U CN 215352785 U CN215352785 U CN 215352785U CN 202121864695 U CN202121864695 U CN 202121864695U CN 215352785 U CN215352785 U CN 215352785U
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box
flue gas
temperature
intake pipe
control device
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CN202121864695.XU
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Chinese (zh)
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廖海欧
方伟
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Maanshan Iron and Steel Co Ltd
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Maanshan Iron and Steel Co Ltd
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Abstract

The utility model discloses a flue gas temperature control device, which comprises: the left side of the box body is connected with a flue gas input pipe, the right side of the box body is connected with a flue gas output pipe, the box body also comprises a plurality of temperature adjusting components arranged in the box body, and the temperature adjusting components are alternately distributed up and down; the temperature adjusting assembly comprises a temperature adjusting box, the upper part of the temperature adjusting box is connected with a plurality of air outlet pipes, the air outlet pipes extend out of the box body to communicate the interior of the temperature adjusting box with the atmosphere, and the outer walls of the air outlet pipes are connected with the top wall of the box body; the intake pipe is connected respectively to the both sides of temperature regulating box lower part, and this intake pipe stretches out the inside and the atmosphere intercommunication of box with the temperature regulating box, and the outer wall of intake pipe is connected with the lateral wall of box, adjustable air door is installed to the air inlet of intake pipe. The utility model utilizes the natural atmosphere to adjust the temperature of the flue gas, creates favorable conditions for the subsequent treatment of the flue gas, ensures the safe production, saves the production cost and improves the production benefit.

Description

Flue gas temperature control device
Technical Field
The utility model belongs to the technical field of metallurgy, and particularly relates to a flue gas temperature control device.
Background
With the continuous upgrading of the green production standard, the ultra-clean emission of flue gas generated by sintering, pelletizing, raw material drying, heating furnaces and the like in metallurgical production needs to be realized, so that the flue gas treatment is upgraded from a single short-flow treatment mode (electric dust removal or cloth bag dust removal) to a long-flow treatment mode (electric dust removal, desulfurization, denitration and cloth bag dust removal). In order to ensure safe, stable and efficient operation of the bag-type dust collector and the desulfurization and denitrification device and have clear requirements on the temperature of inlet flue gas, a common method is to install a cold air valve on a flue gas conveying pipeline and mix energy air into the pipeline through the cold air valve so as to reduce the temperature of the flue gas. However, this method has a certain disadvantage that the flue gas in the pipeline is disturbed by the air flow of cold air mixed into the pipeline, so that the pressure of the pipeline fluctuates and the temperature of the flue gas changes dramatically, all of which bring adverse effects to the subsequent flue gas treatment.
SUMMERY OF THE UTILITY MODEL
The utility model provides a flue gas temperature control device, which aims to solve the technical problems that: the method overcomes the defect that the temperature of the flue gas is reduced by mixing cold air into the pipeline completely, the flue gas is pretreated at the front end of the flue gas conveying pipeline, the temperature of the flue gas is adjusted by utilizing the atmosphere in the nature, the mixing amount of the cold air is greatly reduced, the strong disturbance of the cold air on the flue gas is avoided, the pressure of the flue gas conveying pipeline is stabilized, the severe change of the temperature of the flue gas is prevented, and favorable conditions are created for the subsequent treatment of the flue gas.
In order to achieve the purpose, the utility model adopts the following technical scheme that:
the left side of the box body is connected with a flue gas input pipe, the right side of the box body is connected with a flue gas output pipe, the box body also comprises a plurality of temperature adjusting components arranged in the box body, and the temperature adjusting components are alternately distributed up and down; the temperature adjusting assembly comprises a temperature adjusting box, the upper part of the temperature adjusting box is connected with a plurality of air outlet pipes, the air outlet pipes extend out of the box body to communicate the interior of the temperature adjusting box with the atmosphere, and the outer walls of the air outlet pipes are connected with the top wall of the box body; the intake pipe is connected respectively to the both sides of temperature regulating box lower part, and this intake pipe stretches out the inside and the atmosphere intercommunication of box with the temperature regulating box, and the outer wall of intake pipe is connected with the lateral wall of box, adjustable air door is installed to the air inlet of intake pipe.
Further, the air door includes shutter plate, electric putter, shutter plate top-down evenly distributed is a plurality of, and the left end of shutter plate is connected along rotating with the left side of air inlet through the round pin axle, and the right-hand member of shutter plate is connected along rotating with the right side of air inlet through the round pin axle, electric putter connects the lateral surface at the intake pipe, and electric putter's telescopic link rotates the connection rocking arm, and the round pin axle of shutter plate one end is connected to the other end of rocking arm.
Furthermore, a guide plate is connected between the front inner wall and the rear inner wall of the temperature regulating box, and the guide plates are arranged in a W shape.
Furthermore, the front outer wall and the rear outer wall of the temperature regulating box are both connected with heat exchange fins.
Preferably, the thickness of the temperature-adjusting box is 300mm to 500 mm.
Further, the electric push rod is electrically connected with the controller.
According to the flue gas temperature control device, flue gas is pretreated at the front end of the flue gas conveying pipeline, the temperature of the flue gas is regulated by utilizing the atmosphere in the nature, the mixing amount of cold air is greatly reduced, strong disturbance of the cold air on the flue gas is avoided, the pressure of the flue gas conveying pipeline is stabilized, the severe change of the temperature of the flue gas is prevented, favorable conditions are created for the subsequent treatment of the flue gas, the safety production is guaranteed, the production cost is saved, and the production benefit is improved.
Drawings
Fig. 1 is a schematic front view of the present invention.
Fig. 2 is a partial sectional structural view of fig. 1.
Fig. 3 is a schematic sectional structure view a-a of fig. 2.
Fig. 4 is a partial sectional structural view of fig. 3.
FIG. 5 is a schematic view of the flow of flue gas in the present invention.
Fig. 6 is a schematic view of the flow of atmospheric air in the present invention.
Detailed Description
The present invention will be described in further detail below with reference to the attached drawings so as to be more clearly understood by those skilled in the art.
As shown in fig. 1, 2, and 3, the present invention includes:
the flue gas temperature regulating device comprises a box body 1, a plurality of temperature regulating components 2 and a plurality of smoke inlet pipes 3, wherein the left side of the box body is connected with the smoke inlet pipes, the right side of the box body is connected with a smoke outlet pipe 4, and the temperature regulating components are arranged in the box body and are alternately distributed up and down; the temperature adjusting component comprises a temperature adjusting box 21, the upper part of the temperature adjusting box is connected with a plurality of air outlet pipes 22, the air outlet pipes extend out of the box body to communicate the interior of the temperature adjusting box with the atmosphere, and the outer walls of the air outlet pipes are connected with the top wall of the box body; the intake pipe 23 is connected respectively to the both sides of temperature regulating box lower part, and this intake pipe stretches out the inside and the atmosphere intercommunication of box with the temperature regulating box, and the outer wall of intake pipe is connected with the lateral wall of box 1, adjustable air door 24 is installed to the air inlet of intake pipe.
Wherein, set up a plurality of temperature regulating component and upper and lower alternate distribution in the box, be for letting flue gas and temperature regulating component carry out abundant heat exchange, improve the effect that adjusts the temperature.
The length of the air outlet pipe can be set according to needs, and according to the chimney effect, the longer the length of the air outlet pipe is, the larger the flow of the atmosphere is.
Further, as shown in fig. 2 and 4, the air door includes louver 241, electric putter 242, louver top-down evenly distributed is a plurality of, and the left end of louver is connected with the left edge rotation of air inlet through the round pin axle, and the right-hand member of louver is connected with the right edge rotation of air inlet through the round pin axle, electric putter connects the lateral surface at the intake pipe, and electric putter's telescopic link 243 rotates the connection rocking arm, and the round pin axle of louver one end is connected to the other end of rocking arm.
Further, as shown in fig. 4, a deflector 26 is connected between the front inner wall and the rear inner wall of the temperature-adjusting box, and the deflectors are arranged in a W shape.
The guide plates are arranged in a W shape, so that the disturbance of atmosphere in the temperature regulating box can be prevented, the flow rate of the atmosphere is improved, and meanwhile, the mechanical strength of the temperature regulating box is also enhanced.
Further, as shown in fig. 3, the front outer wall and the rear outer wall of the temperature-adjusting box are both connected with heat exchange fins 25.
Wherein, the preceding outer wall of thermoregulation case, back outer wall all are connected with the heat exchanger fin, and this is favorable to making flue gas and thermoregulation case carry out abundant heat exchange.
Preferably, the thickness of the temperature-regulating box is 300mm to 500mm, which is determined in the present embodiment in consideration of the efficiency of heat exchange between the flue gas and the temperature-regulating box and the carrying capacity of the flue gas conveying pipe.
Further, the electric push rod is electrically connected with the controller.
The working principle of the utility model is as follows: during operation, as shown in fig. 5 and 6, flue gas is input through the flue gas input pipe 3, passes through the temperature regulating assembly 2, and is output to the next station through the flue gas output pipe 4; start electric putter 242 and open shutter 241, external atmosphere gets into the temperature regulation case 21 through intake pipe 23, because the temperature regulation case receives the heat exchange of flue gas, the atmosphere in the temperature regulation case is heated, according to "chimney effect", this moment, the atmosphere in the temperature regulation case rises rapidly, outwards discharge through outlet duct 22, external atmosphere gets into the temperature regulation case again through intake pipe 23 with higher speed, thereby form the atmosphere convection current, its essence is that the atmosphere that flows produces the heat exchange through temperature regulation case and flue gas, cool down the flue gas.
According to the flue gas temperature control device, flue gas is pretreated at the front end of the flue gas conveying pipeline, the temperature of the flue gas is regulated by utilizing the atmosphere in the nature, the mixing amount of cold air is greatly reduced, strong disturbance of the cold air on the flue gas is avoided, the pressure of the flue gas conveying pipeline is stabilized, the severe change of the temperature of the flue gas is prevented, favorable conditions are created for the subsequent treatment of the flue gas, the safety production is guaranteed, the production cost is saved, and the production benefit is improved.
The present invention is not limited to the above-mentioned embodiments, and various modifications made by those skilled in the art according to the concept of the present invention should fall within the scope of the claimed invention.

Claims (6)

1. The utility model provides a flue gas temperature control device, includes box (1), flue gas input tube (3) are connected in the left side of box, and flue gas output tube (4), its characterized in that are connected on the right side of box: the temperature control device also comprises a plurality of temperature adjusting components (2) arranged in the box body, wherein the temperature adjusting components are alternately distributed up and down; the temperature adjusting component comprises a temperature adjusting box (21), the upper part of the temperature adjusting box is connected with a plurality of air outlet pipes (22), the air outlet pipes extend out of the box body to communicate the interior of the temperature adjusting box with the atmosphere, and the outer walls of the air outlet pipes are connected with the top wall of the box body; intake pipe (23) are connected respectively to the both sides of temperature regulating box lower part, and this intake pipe stretches out the inside and the atmosphere intercommunication of box with the temperature regulating box, and the outer wall of intake pipe is connected with the lateral wall of box (1), adjustable air door (24) are installed to the air inlet of intake pipe.
2. The flue gas temperature control device according to claim 1, wherein: the air door includes shutter plate (241), electric putter (242), shutter plate top-down evenly distributed is a plurality of, and the left end of shutter plate is connected along rotating with the left side of air inlet through the round pin axle, and the right-hand member of shutter plate is connected along rotating with the right side of air inlet through the round pin axle, electric putter connects the lateral surface at the intake pipe, and electric putter's telescopic link (243) rotate and connect the rocking arm, and the round pin axle of shutter plate one end is connected to the other end of rocking arm.
3. The flue gas temperature control device according to claim 1 or 2, characterized in that: and a guide plate (26) is connected between the front inner wall and the rear inner wall of the temperature regulating box, and the guide plates are arranged in a W shape.
4. The flue gas temperature control device according to claim 1 or 2, characterized in that: the front outer wall and the rear outer wall of the temperature regulating box are both connected with heat exchange fins (25).
5. The flue gas temperature control device according to claim 4, wherein: the thickness of the temperature regulating box is 300mm to 500 mm.
6. The flue gas temperature control device according to claim 2, wherein: the electric push rod is electrically connected with the controller.
CN202121864695.XU 2021-08-11 2021-08-11 Flue gas temperature control device Active CN215352785U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121864695.XU CN215352785U (en) 2021-08-11 2021-08-11 Flue gas temperature control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121864695.XU CN215352785U (en) 2021-08-11 2021-08-11 Flue gas temperature control device

Publications (1)

Publication Number Publication Date
CN215352785U true CN215352785U (en) 2021-12-31

Family

ID=79618103

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121864695.XU Active CN215352785U (en) 2021-08-11 2021-08-11 Flue gas temperature control device

Country Status (1)

Country Link
CN (1) CN215352785U (en)

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