Novel energy-saving flame path wall structure of carbon roasting furnace

Abstract

The utility model discloses a novel energy-saving flame path wall structure of a carbon baking furnace, which comprises at least one group of flame path wall combination, and the group of flame path wall combination comprises two symmetrically arranged flame path wall bodies and a top cover positioned at the top ends of the two flame path wall bodies; a plurality of blocking protrusion structures are arranged on the opposite faces of the two flame path wall bodies, the blocking protrusion structures are arranged at equal intervals in the height direction of the flame path wall bodies, and the blocking protrusion structures on the two flame path wall bodies are arranged in a staggered mode in the height direction of the flame path wall bodies. The top cover is fixedly connected to the top ends of the wall bodies of the two flame path walls, and the top cover is provided with air inlet holes for high-temperature gas to enter. According to the flame path wall structure, the flowing speed of high-temperature gas is reduced, the retention time of the high-temperature gas in the internal space of the flame path wall body and the heat conduction time are prolonged, and the heat utilization rate of the high-temperature gas is increased.

Description

Technical Field

[0001] The utility model relates to the field of roasting furnaces, in particular to a new energy-saving fire channel wall structure of a carbon roasting furnace. Background Art

[0002] Patent No. CN200710012694.0 discloses an asphalt flue gas self-purification carbon roasting furnace. When the roasting operation is carried out, the fuel is roasted in the hollow structure of the fire channel wall of the roasting furnace, and the high-temperature airflow is conducted to the roasting furnace chamber through the fire channel wall to roast the carbon products; however, since a fan is provided at the tail of the furnace for exhaust operation, the high-temperature airflow generated by the combustion of the fuel passes quickly through the hollow structure of the fire channel wall and is discharged from the flue. The heat conduction time is short and the heat utilization rate is low, which increases the working cost of the roasting furnace. It is necessary to improve it. Summary of the invention

[0003] The utility model aims to solve the above problems and provide a new energy-saving fire channel wall structure for a carbon roasting furnace which has a simple structure and improves heat utilization.

[0004] In order to achieve the above purpose, the technical solution of the utility model is:

[0005] A new energy-saving flue wall structure for a carbon roasting furnace comprises at least one flue wall combination, wherein one flue wall combination comprises two symmetrically arranged flue wall bodies and a top cover located at the top of the two flue wall bodies; the opposite surfaces of the two flue wall bodies are provided with blocking protrusion structures, there are a plurality of blocking protrusion structures and the plurality of blocking protrusion structures are arranged at equal intervals along the height direction of the flue wall bodies, and the blocking protrusion structures on the two flue wall bodies are staggered in the height direction of the flue wall bodies; the top cover is fixedly connected to the top of the two flue wall bodies, and an air inlet for the entry of high-temperature gas is provided on the top cover.

[0006] Furthermore, the fire duct wall body is composed of a plurality of first prefabricated parts and a plurality of second prefabricated parts stacked up and down; the first prefabricated parts and the second prefabricated parts are intermittently arranged in the height direction of the fire duct wall body; the first prefabricated parts in the two fire duct wall bodies are staggered, and a blocking protrusion structure is provided on the side wall of the first prefabricated part facing the other fire duct wall body.

[0007] Furthermore, the first prefabricated member and the second prefabricated member are both arranged in a rectangular column shape, and a stable connection structure is arranged between the first prefabricated member and the adjacent second prefabricated member.

[0008] Furthermore, the stable connection structure includes a mounting groove and a mounting protrusion matched with the mounting groove; the mounting groove is arranged at the bottom ends of the first prefabricated part and the second prefabricated part, and the mounting protrusion is arranged at the top ends of the first prefabricated part and the second prefabricated part; when the first prefabricated part is connected to the adjacent second prefabricated part, the mounting groove at the bottom end of the first prefabricated part is embedded with the mounting protrusion at the top end of the second prefabricated part below, and the mounting protrusion at the top end of the first prefabricated part is embedded in the mounting groove at the bottom end of the second prefabricated part above.

[0009] Furthermore, the mounting protrusions and mounting grooves are both arranged in the shape of long strips, and the length directions of the mounting protrusions and mounting grooves are consistent with the length directions of the first prefabricated part and the second prefabricated part; the blocking protrusion structure is arranged on a side wall on one side in the width direction of the first prefabricated part; when several first prefabricated parts and second prefabricated parts are connected to form a fire duct wall body, the top of the first prefabricated part or the second prefabricated part located at the top of the fire duct wall body is not provided with a mounting protrusion, and the bottom of the first prefabricated part or the second prefabricated part located at the bottom of the fire duct wall body can be selectively provided with a mounting groove.

[0010] Furthermore, the blocking protrusion structure includes a plurality of protrusion blocks, and the plurality of protrusion blocks are divided into a plurality of rows along the height direction of the first preform, and the protrusion blocks in adjacent rows are staggered.

[0011] Furthermore, the protruding block is integrally formed with the first prefabricated block, and the protruding block is conical or semi-spherical.

[0012] Furthermore, a support block is provided at the bottom end of the fire duct wall combination; the support block supports several fire duct wall combinations at the same time; a smoke channel is provided in the support block, and the length direction of the smoke channel is consistent with the arrangement direction of the several fire duct wall combinations, and the smoke channel is provided with several smoke exhaust holes penetrating the top end wall of the support block, and the several smoke exhaust holes are arranged corresponding to the several fire duct wall combinations and the smoke exhaust holes are located between the two fire duct wall bodies of the corresponding fire duct wall combination.

[0013] Furthermore, the height of the protruding block protruding from the end surface of the first preform is 15-20% of the width of the first preform.

[0014] Compared with the prior art, the utility model has the following advantages and positive effects:

[0015] The utility model adopts a design in which a blocking protrusion structure is arranged on the wall of the fire channel wall, and the blocking protrusion structures on the two fire channel walls are staggered in the height direction of the fire channel wall, so that after the high-temperature gas enters the internal space between the two fire channel walls from the air inlet hole of the top cover, the edge gas will be blocked by the blocking protrusion structure and cause its flow direction to be inclined and disturbed, and under the turbulent flow effect of the blocking protrusion structure, an annular disturbed airflow is formed on the edge of the high-temperature gas, and the annular disturbed airflow will cause the high-temperature gas to change from a straight-line flow to a reciprocating flow, which reduces the flow speed of the high-temperature gas, prolongs the residence time of the high-temperature gas in the internal space of the fire channel wall and the heat conduction time, improves the heat utilization rate of the high-temperature gas, effectively reduces the working cost of the carbon roasting furnace, and further improves the use effect of the carbon roasting furnace. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the fire channel wall combination;

[0019] Figure 3 It is a schematic structural diagram of the first prefabricated component. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work, any modifications, equivalent replacements, improvements, etc., should be included in the protection scope of the utility model.

[0021] like Figure 1 , Figure 2 , Figure 3As shown, this embodiment discloses a new energy-saving fire channel wall structure for a carbon roasting furnace, including at least one group of fire channel wall combinations, one group of fire channel wall combinations includes two symmetrically arranged fire channel wall bodies 1 and a top cover 2 located at the top of the two fire channel wall bodies 1; the opposite surfaces of the two fire channel wall bodies 1 are provided with blocking protrusion structures, and there are several blocking protrusion structures and the several blocking protrusion structures are arranged at equal intervals along the height direction of the fire channel wall body 1, and the blocking protrusion structures on the two fire channel wall bodies 1 are staggered in the height direction of the fire channel wall body 1; the top cover 2 is fixedly connected to the top of the two fire channel wall bodies 1, and the top cover 2 is provided with an air inlet 21 for the entry of high-temperature gas.

[0022] A support block 3 is provided at the bottom end of the fire duct wall combination; the support block 3 supports several fire duct wall combinations at the same time; a smoke channel is provided in the support block 3, and the length direction of the smoke channel is consistent with the arrangement direction of the several fire duct wall combinations, and the smoke channel is provided with several smoke exhaust holes penetrating the top end wall of the support block 3, and the several smoke exhaust holes are provided corresponding to the several fire duct wall combinations and the smoke exhaust holes are located between the two fire duct wall bodies 1 of the corresponding fire duct wall combination.

[0023] The high-temperature gas enters the fire channel wall assembly from the air inlet, and the flow velocity is reduced after being blocked by the blocking protrusion structure. The high-temperature gas after the deceleration realizes heat conduction and is discharged from the smoke exhaust holes and smoke channels on the support block, thereby achieving the heating effect of the roasting furnace.

[0024] The fire channel wall body 1 is composed of a plurality of first prefabricated parts 11 and a plurality of second prefabricated parts 12 stacked up and down; the first prefabricated parts 11 and the second prefabricated parts 12 are both arranged in a rectangular column shape, and the first prefabricated parts 11 and the second prefabricated parts 12 are intermittently arranged in the height direction of the fire channel wall body 1; a stable connection structure is arranged between the first prefabricated part 11 and the adjacent second prefabricated parts 12, the first prefabricated parts 11 in the two fire channel wall bodies 1 are staggered, and a blocking protrusion structure is provided on the side wall of the first prefabricated part 11 facing the other fire channel wall body 1.

[0025] The stable connection structure includes a mounting groove 113 and a mounting protrusion 112 matched with the mounting groove 113; the mounting groove 113 is arranged at the bottom ends of the first preform 11 and the second preform 12, and the mounting protrusion 112 is arranged at the top ends of the first preform 11 and the second preform 12; when the first preform 11 is connected to the adjacent second preform 12, the mounting groove 113 at the bottom end of the first preform 11 is embedded with the mounting protrusion at the top end of the second preform 12 below, and the mounting protrusion 112 at the top end of the first preform 11 is embedded in the mounting groove at the bottom end of the second preform 12 above.

[0026] The mounting protrusion 112 and the mounting groove 113 are both arranged in the shape of long strips, and the length direction of the mounting protrusion 112 and the mounting groove 113 is consistent with the length direction of the first prefabricated part 11 and the second prefabricated part 12; the blocking protrusion structure is arranged on one side wall of the width direction of the first prefabricated part 11; when a plurality of first prefabricated parts 11 and second prefabricated parts 12 are connected to form the fire channel wall body 1, the top of the first prefabricated part 11 or the second prefabricated part 12 located at the top of the fire channel wall body 1 is not provided with the mounting protrusion 112, and the bottom of the first prefabricated part 11 or the second prefabricated part 12 located at the bottom of the fire channel wall body 1 can be selectively provided with the mounting groove 113.

[0027] The design of a fire channel wall body formed by stacking a plurality of first prefabricated parts and a second prefabricated part allows it to be quickly assembled to form a fire channel wall body structure with a blocking protrusion structure, thereby increasing the assembly rate of the fire channel wall body and further improving the use effect of the utility model.

[0028] The blocking protrusion structure includes a plurality of protrusion blocks 111 . The plurality of protrusion blocks 111 are divided into a plurality of rows along the height direction of the first preform 11 . The protrusion blocks 111 in adjacent rows are staggered.

[0029] The protruding block 111 is integrally formed with the first prefabricated block 11 , and the protruding block 111 is conical or semi-spherical.

[0030] The height of the protruding block 111 protruding from the end surface of the first preform 11 is 15-20% of the width of the first preform 11 .

[0031] The design of staggered settings of adjacent rows of raised blocks can achieve a turbulent effect and allow high-temperature gas to pass through the gaps between the raised blocks, thereby avoiding the situation where the raised structure blocks excessively block the high-temperature gas, causing poor airflow and affecting the heating effect of the roasting furnace, further improving the use effect of the utility model.

[0032] The utility model adopts a design in which a blocking protrusion structure is arranged on the wall of the fire channel wall, and the blocking protrusion structures on the two fire channel walls are staggered in the height direction of the fire channel wall, so that after the high-temperature gas enters the internal space between the two fire channel walls from the air inlet hole of the top cover, the edge gas will be blocked by the blocking protrusion structure and cause its flow direction to be inclined and disturbed, and under the turbulent flow effect of the blocking protrusion structure, an annular disturbed airflow is formed on the edge of the high-temperature gas, and the annular disturbed airflow will cause the high-temperature gas to change from a straight-line flow to a reciprocating flow, which reduces the flow speed of the high-temperature gas, prolongs the residence time of the high-temperature gas in the internal space of the fire channel wall and the heat conduction time, improves the heat utilization rate of the high-temperature gas, effectively reduces the working cost of the carbon roasting furnace, and further improves the use effect of the carbon roasting furnace.

Claims

1. A new energy-saving flue wall structure for a carbon roasting furnace, comprising at least one flue wall assembly, characterized in that: A fire channel wall combination includes two symmetrically arranged fire channel wall bodies and a top cover located at the top of the two fire channel wall bodies; the opposite surfaces of the two fire channel wall bodies are provided with blocking protrusion structures, there are a plurality of blocking protrusion structures and the plurality of blocking protrusion structures are arranged at equal intervals along the height direction of the fire channel wall bodies, and the blocking protrusion structures on the two fire channel wall bodies are staggered in the height direction of the fire channel wall bodies; the top cover is fixedly connected to the top of the two fire channel wall bodies, and the top cover is provided with an air inlet for the entry of high-temperature gas.

2. The new energy-saving fire channel wall structure of carbon roasting furnace according to claim 1, characterized in that: The fire channel wall body is composed of a plurality of first prefabricated parts and a plurality of second prefabricated parts stacked up and down; the first prefabricated parts and the second prefabricated parts are intermittently arranged in the height direction of the fire channel wall body; the first prefabricated parts in the two fire channel wall bodies are staggered, and a blocking protrusion structure is provided on the side wall of the first prefabricated part facing the other fire channel wall body.

3. The new energy-saving fire channel wall structure of carbon roasting furnace according to claim 2, characterized in that: The first prefabricated part and the second prefabricated part are both arranged in a rectangular column shape, and a stable connection structure is arranged between the first prefabricated part and the adjacent second prefabricated part.

4. The new energy-saving fire channel wall structure of carbon roasting furnace as claimed in claim 3 is characterized by: The stable connection structure includes a mounting groove and a mounting protrusion matched with the mounting groove; the mounting groove is arranged at the bottom ends of the first prefabricated part and the second prefabricated part, and the mounting protrusion is arranged at the top ends of the first prefabricated part and the second prefabricated part; when the first prefabricated part is connected to the adjacent second prefabricated part, the mounting groove at the bottom end of the first prefabricated part is embedded with the mounting protrusion at the top end of the second prefabricated part below, and the mounting protrusion at the top end of the first prefabricated part is embedded in the mounting groove at the bottom end of the second prefabricated part above.

5. The new energy-saving fire channel wall structure of carbon roasting furnace as claimed in claim 4, characterized in that: The mounting protrusions and mounting grooves are both arranged in the shape of long strips, and the length directions of the mounting protrusions and mounting grooves are consistent with the length directions of the first prefabricated part and the second prefabricated part; the blocking protrusion structure is arranged on a side wall on one side in the width direction of the first prefabricated part; when several first prefabricated parts and second prefabricated parts are connected to form a fire channel wall body, the top of the first prefabricated part or the second prefabricated part located at the top of the fire channel wall body is not provided with a mounting protrusion, and the bottom of the first prefabricated part or the second prefabricated part located at the bottom of the fire channel wall body can be selectively provided with a mounting groove.

6. The new energy-saving fire channel wall structure of carbon roasting furnace according to claim 5, characterized in that: The blocking protrusion structure includes a plurality of protrusion blocks, which are divided into a plurality of rows along the height direction of the first preform, and the protrusion blocks in adjacent rows are staggered.

7. The new energy-saving fire channel wall structure of carbon roasting furnace according to claim 6, characterized in that: The protruding block is integrally formed with the first prefabricated block, and the protruding block is conical or semi-spherical.

8. The new energy-saving fire channel wall structure of carbon roasting furnace according to claim 7, characterized in that: A support block is provided at the bottom end of the fire duct wall combination; the support block supports several fire duct wall combinations at the same time; a smoke channel is provided in the support block, the length direction of the smoke channel is consistent with the arrangement direction of the several fire duct wall combinations, and the smoke channel is provided with several smoke exhaust holes penetrating the top end wall of the support block, and the several smoke exhaust holes are provided corresponding to the several fire duct wall combinations and are located between the two fire duct wall bodies of the corresponding fire duct wall combination.

9. The new energy-saving fire channel wall structure of carbon roasting furnace according to claim 8, characterized in that: The height of the protruding block protruding from the end surface of the first preform is 15-20% of the width of the first preform.

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