CN217041969U - Acheson graphitizing furnace tail gas absorbing device - Google Patents
Acheson graphitizing furnace tail gas absorbing device Download PDFInfo
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- CN217041969U CN217041969U CN202123381455.7U CN202123381455U CN217041969U CN 217041969 U CN217041969 U CN 217041969U CN 202123381455 U CN202123381455 U CN 202123381455U CN 217041969 U CN217041969 U CN 217041969U
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- air suction
- tail gas
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Abstract
The utility model provides an Acheson graphitizing furnace tail gas absorbing device, which comprises a lateral part air suction mechanism, a movable top cover mechanism and a flue gas treatment mechanism, wherein the lateral part air suction mechanism comprises an air suction cover and an air suction pipe; the movable top cover mechanism comprises a top frame and a top cover, the top frame is arranged at the top of the furnace body, and the top cover is arranged on the upper side of the top frame and can move; the flue gas treatment mechanism comprises a first flue header pipe and a second flue header pipe which are connected with the air suction pipe, a first gate valve is arranged on the first flue header pipe, the tail end of the first flue header pipe is connected with a first tail gas treatment device, a second gate valve is arranged on the second flue header pipe, and the tail end of the second flue header pipe is connected with a second tail gas treatment device. The device's aspiration channel and two flue house steward are connected, and two flue house steward communicate two sets of tail gas processing apparatus respectively, and the gate valve on the flue house steward is switched to the accessible, and the gas in the earlier stage of categorised collection ignition and the later stage of ignition avoids the possibility that graphitization furnace tail gas device explodes with flickering, improves the production security.
Description
Technical Field
The utility model relates to an environmental protection equipment technical field specifically relates to an Acheson graphitizing furnace tail gas absorbing device.
Background
The graphitization furnace is a direct-heating, intermittent-operation resistance furnace designed based on the principle of joule's law. For the Acheson type graphitizing furnace, a product filled in the furnace and a small amount of resistance material form a furnace core, and the product is a heating resistor and a heated object. For the inner series furnace, the product loaded in the furnace is the furnace core, the heating resistor is composed of the product itself, and the product is graphitized by the self-heating. Acheson type graphitizing furnace generally comprises a furnace bottom groove, a furnace end wall, a conductive electrode, a furnace side wall, channel steel and the like, and generally comprises 10 furnaces.
During the operation of Acheson graphitizing furnace, 10 furnaces are in different production stages, volatile components, sulfur and other substances in auxiliary materials and products volatilize out in a gas form, the furnace type is generally large, the collection of the waste gas is relatively difficult, the current collection mode is to collect the volatile components in the furnace by adopting an arc-shaped gas collecting hood on the upper part of the graphitizing furnace, the volume and the weight of the gas collecting hood are large, the furnace is moved back and forth and needs to be lifted by a crane, the furnace is dangerous, the volatile components can be ignited and collected after being discharged from an exhaust hole, if the gas collecting hood is not ignited, the gas collecting hood is covered, some volatile gases are easy to flash in a flue, the gas collecting hood is heavy, and the ignition is inconvenient after the gas collecting hood is covered. In addition, there may be situations where the gases of two graphitization furnaces are collected simultaneously, one after ignition and one without ignition, which is more likely to cause flash explosions.
Disclosure of Invention
The to-be-solved technical problem of the utility model lies in providing an acheson graphitizing furnace tail gas absorbing device, to collecting the gas of ignition earlier stage and ignition later stage and carry out categorised collection and processing, avoid graphitizing furnace tail gas device flash explosion's possibility, improve the production security.
The utility model provides an Acheson graphitizing furnace tail gas absorbing device, including lateral part induced draft mechanism, removal top cap mechanism and flue gas treatment mechanism, wherein:
the side air suction mechanism comprises two groups of air suction covers and two air suction pipes, the air suction covers are arranged on two sides of the upper part of the furnace body, and the air suction covers are communicated with the air suction pipes;
the movable top cover mechanism comprises a top frame and a top cover, the top frame is arranged at the top of the furnace body, and the top cover is arranged on the upper side of the top frame and can move;
the flue gas treatment mechanism comprises a first flue header and a second flue header, wherein the first flue header is communicated with two suction pipes respectively, a first gate valve is arranged on the first flue header, the tail end of the first flue header is connected with a first tail gas treatment device, a second gate valve is arranged on the second flue header, and the tail end of the second flue header is connected with a second tail gas treatment device.
Preferably, the air suction cover comprises a left wall, an upper wall, a right wall and a lower wall, the left wall, the upper wall, the right wall and the lower wall are sequentially connected to form a cover body of a quadrangular frustum pyramid structure, an air opening is formed in the top of the cover body, an air outlet pipe is arranged on the air opening, and the air outlet pipe is communicated with the air suction pipe.
Preferably, the upper wall and the lower wall of the air suction hood are louvers, and the lower part of the lower wall is provided with a dust guard 7.
Preferably, each side of the hearth is provided with 4-6 air suction covers, every two adjacent air suction covers are connected with a mounting plate, and the mounting plate is connected to the top frame through bolts.
Preferably, the top frame comprises a fixed mounting frame and a sliding guide rail, the fixed mounting frame is mounted at the top of the furnace body, the sliding guide rail is mounted at one end of the fixed mounting frame, the air suction hood is mounted on two sides of the fixed mounting frame, and the top cover can be slidably mounted on the fixed mounting frame and can slide between the fixed mounting frame and the sliding guide rail in a reciprocating manner.
Preferably, a reinforcing rod is installed below the sliding guide rail.
Preferably, the top cover comprises three flat plate covers, wherein each of the two sides of each of the flat plate covers is provided with one air-supply gate valve, and the flat plate covers are made of carbon steel sprayed with refractory paint.
Preferably, the first exhaust gas treatment device treats volatile gases, and the second exhaust gas treatment device treats gases such as sulfur dioxide.
Preferably, the top frame is arranged on the side part or the end part of the top of the furnace body.
The utility model discloses a theory of operation: the utility model discloses an acheson graphitization furnace tail gas absorbing device, both sides aspiration channel and two flue house steward are connected, set up the push-pull valve on the flue house steward and are used for switching over the flue, and two flue house stewards communicate two sets of tail gas processing apparatus respectively. Firstly, before ignition, the top cover moves to a sliding guide rail on one side, and the side air suction cover collects the early-stage gas into a first flue header pipe and sends the gas to a first tail gas treatment system to treat volatile gas; then, after ignition, the top cover is covered, and the gas channel is switched into a second flue main pipe and sent to a second tail gas treatment device to treat gases such as sulfur dioxide and the like; and finally, in the cooling process after operation, the top cover is opened, side air suction is performed normally, the side air suction is performed in the first flue main pipe, the air flow on the surface of the furnace is enhanced, and the cooling effect is improved.
The utility model has the advantages that:
(1) the air suction covers are arranged on two sides of the top of the furnace body, and adopt a shutter form, so that the negative pressure is uniform, the gas can be better collected, and a dust guard plate of 15cm is arranged below the air suction covers for sealing, so that carbon powder in the furnace is prevented from being sucked into the covers;
(2) the exhaust pipes are respectively connected with the two flue main pipes, the two flue main pipes are respectively communicated with the two sets of tail gas treatment devices, and the flue gas before and after ignition is classified, collected and separately treated by controlling the on-off of the flue switching of the gate valves, so that the possibility of flash explosion is reduced, and the flue gas treatment efficiency and treatment effect are improved;
(3) the smoking structure is divided into two parts, namely a side air suction cover and a top cover, which are arranged separately, and the moving part only has the top cover, so that the operation process is more convenient;
(5) in the cooling process after the operation is finished, the top cover is opened, the side air suction is normally operated, the side air suction is induced into the first flue main pipe, the air flow on the furnace surface is enhanced, and the cooling effect is improved.
Drawings
FIG. 1 is a view showing a closed state of an Acheson graphitization furnace exhaust gas absorption device in example 1;
FIG. 2 is a view showing an open state of an Acheson graphitizing furnace exhaust gas absorbing device in example 1;
FIG. 3 is a schematic view of the structure of the suction hood of FIG. 1;
fig. 4 is a top view of the acheson graphitization furnace tail gas absorption device of the present invention;
FIG. 5 is a view showing a closed state of an Acheson graphitizing furnace exhaust gas absorbing device in example 2;
fig. 6 is a view showing an open state of an acheson graphitization furnace exhaust gas absorption apparatus in example 2.
In the figure: the side air suction mechanism 1, an air suction cover 11, a left wall 111, an upper wall 112, a right wall 113, a lower wall 114, an air inlet 115, an air outlet pipe 116, an air suction pipe 12, a dust guard 13 and a mounting plate 14; the movable top cover mechanism 2, the top frame 21, the fixed mounting frame 211, the sliding guide rail 212, the reinforcing rod 213, the top cover 22, the flat plate cover 221 and the air supplementing gate valve 222; the flue gas treatment device comprises a flue gas treatment mechanism 3, a first flue header pipe 31, a second flue header pipe 32, a first flue header pipe 31, a first gate valve 33, a first tail gas treatment device 34, a second gate valve 35, a second tail gas treatment device 36 and a furnace body 4.
Detailed Description
In order to make the technical solution of the present invention easier to understand, the mode of the specific embodiment is now adopted in conjunction with the drawings, and the technical solution of the present invention is clearly and completely described.
Example 1:
as shown in fig. 1 to 4, the acheson graphitization furnace tail gas absorption device of the present embodiment includes a side portion air suction mechanism 1, a movable top cover mechanism 2 and a flue gas treatment mechanism 3, wherein:
the side air suction mechanism 1 comprises two groups of air suction covers 11 and two air suction pipes 12, the air suction covers 11 are arranged on two sides of the upper part of the furnace body 4, and the air suction covers 11 are communicated with the air suction pipes 12;
the movable top cover mechanism 2 comprises a top frame 21 and a top cover 22, the top frame 21 is arranged at the top of the furnace body 4, and the top cover 22 is arranged on the upper side of the top frame 21 and can move;
the flue gas treatment mechanism 3 comprises a first main flue pipe 31 and a second main flue pipe 32, the first main flue pipe 31 is respectively communicated with the two suction pipes 12, a first gate valve 33 is arranged on the first main flue pipe 31, the tail end of the first main flue pipe 31 is connected with a first tail gas treatment device 34, a second gate valve 35 is arranged on the second main flue pipe 32, and the tail end of the second main flue pipe 32 is connected with a second tail gas treatment device 36.
The top frame 21 is arranged at the end part of the top of the furnace body 4.
Example 2:
as shown in fig. 3 to fig. 6, the acheson graphitization furnace tail gas absorption device of the present embodiment includes a side portion air suction mechanism 1, a movable top cover mechanism 2 and a flue gas treatment mechanism 3, wherein:
the side air suction mechanism 1 comprises two groups of air suction covers 11 and two air suction pipes 12, the air suction covers 11 are arranged on two sides of the upper part of the furnace body 4, and the air suction covers 11 are communicated with the air suction pipes 12;
the movable top cover mechanism 2 comprises a top frame 21 and a top cover 22, the top frame 21 is arranged at the top of the furnace body 4, and the top cover 22 is arranged on the upper side of the top frame 21 and can move;
the flue gas treatment mechanism 3 comprises a first main flue 31 and a second main flue 32, wherein the first main flue 31 is respectively communicated with two suction pipes 12, a first gate valve 33 is arranged on the first main flue 31, the tail end of the first main flue 31 is connected with a first tail gas treatment device 34, a second gate valve 35 is arranged on the second main flue 32, and the tail end of the second main flue 32 is connected with a second tail gas treatment device 36.
The upper wall 112 and the lower wall 114 of the suction hood 11 are louvers, and the lower part of the lower wall 114 is provided with a dust guard 13.
Every side of furnace sets up 4 ~ 6 cover 11 that induced drafts, and every two adjacent cover 11 that induced drafts between connect the mounting panel 14, and mounting panel 14 passes through bolted connection on roof-rack 21.
The top frame 21 comprises a fixed mounting frame 211 and a sliding guide rail 212, the fixed mounting frame 211 is mounted at the top of the furnace body 4, the sliding guide rail 212 is mounted at one end of the fixed mounting frame 211, the air suction hood 11 is mounted at two sides of the fixed mounting frame 211, and the top cover 22 is slidably mounted on the fixed mounting frame 211 and can slide between the fixed mounting frame 211 and the sliding guide rail 212 in a reciprocating manner.
A reinforcing rod 213 is installed below the sliding guide 212.
The top cover 22 comprises three flat plate covers 221, 2-3 air-supply gate valves 222 are respectively arranged on two sides of each flat plate cover 221, and the flat plate covers 221 are made of carbon steel and sprayed with fire-resistant paint.
The first tail gas treatment device 34 is used for treating volatile gases, and the second tail gas treatment device 36 is used for treating gases such as sulfur dioxide.
The top frame 21 is arranged at the side part of the top of the furnace body 4.
It should be noted that the embodiments described herein are only some of the embodiments of the present invention, not all implementations of the present invention, and the embodiments are only examples, and only serve to provide a more intuitive and clear way to understand the contents of the present invention, but not to limit the technical solutions of the present invention. Without departing from the concept of the present invention, all the ordinary skilled in the art can think of other embodiments without creative efforts, and other to the simple replacement and various changes of the technical solution of the present invention belong to the protection scope of the present invention.
Claims (9)
1. The utility model provides an Acheson graphitizing furnace tail gas absorbing device which characterized in that, including lateral part mechanism (1) that induced drafts, removal top cap mechanism (2) and flue gas processing mechanism (3), wherein:
the side air suction mechanism (1) comprises two groups of air suction covers (11) and two air suction pipes (12), the air suction covers (11) are arranged on two sides of the upper part of the furnace body (4), and the air suction covers (11) are communicated with the air suction pipes (12);
the movable top cover mechanism (2) comprises a top frame (21) and a top cover (22), the top frame (21) is arranged at the top of the furnace body (4), and the top cover (22) is arranged on the upper side of the top frame (21) and can move;
flue gas processing mechanism (3) include first flue header (31) and second flue header (32), first flue header (31) communicate with two aspiration channels (12) respectively, and are equipped with first push-pull valve (33) on first flue header (31), the end-to-end connection first tail gas processing apparatus (34) of first flue header (31), are equipped with second push-pull valve (35) on second flue header (32), end-to-end connection second tail gas processing apparatus (36) of second flue header (32).
2. The Acheson graphitizing furnace tail gas absorbing device of claim 1, wherein the air suction hood (11) comprises a left wall (111), an upper wall (112), a right wall (113) and a lower wall (114), the left wall (111), the upper wall (112), the right wall (113) and the lower wall (114) are sequentially connected to form a hood body of a quadrangular frustum pyramid structure, an air inlet (115) is formed in the top of the hood body, an air outlet pipe (116) is arranged on the air inlet (115), and the air outlet pipe (116) is communicated with the air suction pipe (12).
3. The Acheson graphitization furnace exhaust gas absorbing device according to claim 2, wherein the upper wall (112) and the lower wall (114) of the suction hood (11) are louvers, and the lower part of the lower wall (114) is provided with a dust-proof plate (13).
4. The Acheson graphitization furnace tail gas absorption device according to claim 3, wherein 4-6 suction hoods (11) are arranged on each side of the hearth, a mounting plate (14) is connected between every two adjacent suction hoods (11), and the mounting plate (14) is connected to the top frame (21) through bolts.
5. The Acheson graphitization furnace exhaust gas absorption apparatus according to claim 1, wherein the top frame (21) comprises a fixed mounting frame (211) and a sliding guide (212), the fixed mounting frame (211) is installed on the top of the furnace body (4), the sliding guide (212) is installed at one end of the fixed mounting frame (211), the suction hoods (11) are installed at both sides of the fixed mounting frame (211), and the top cover (22) is slidably installed on the fixed mounting frame (211) and can slide back and forth between the fixed mounting frame (211) and the sliding guide (212).
6. The Acheson graphitization furnace exhaust gas absorbing apparatus according to claim 5, wherein a reinforcing rod (213) is installed below the slide rail (212).
7. The Acheson graphitizing furnace exhaust gas absorbing device of claim 1, characterized in that the top cover (22) comprises three flat plate covers (221), 2-3 air-supply gate valves (222) are respectively arranged on two sides of each flat plate cover (221), and the flat plate covers (221) are coated with carbon steel fire-resistant paint.
8. The Acheson graphitization furnace exhaust gas absorption apparatus according to claim 1, wherein the first exhaust gas treatment apparatus (34) is configured to treat volatile gases and the second exhaust gas treatment apparatus (36) is configured to treat gases such as sulfur dioxide.
9. The Acheson graphitization furnace exhaust gas absorbing apparatus according to claim 1, wherein the top frame (21) is provided at a side portion or an end portion of the top of the furnace body (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123381455.7U CN217041969U (en) | 2021-12-29 | 2021-12-29 | Acheson graphitizing furnace tail gas absorbing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123381455.7U CN217041969U (en) | 2021-12-29 | 2021-12-29 | Acheson graphitizing furnace tail gas absorbing device |
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| CN217041969U true CN217041969U (en) | 2022-07-26 |
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| CN202123381455.7U Active CN217041969U (en) | 2021-12-29 | 2021-12-29 | Acheson graphitizing furnace tail gas absorbing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115682746A (en) * | 2022-10-31 | 2023-02-03 | 奇计(江苏)科技服务有限公司 | Negative electrode material graphitization furnace system and process easy for tail gas collection treatment |
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2021
- 2021-12-29 CN CN202123381455.7U patent/CN217041969U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115682746A (en) * | 2022-10-31 | 2023-02-03 | 奇计(江苏)科技服务有限公司 | Negative electrode material graphitization furnace system and process easy for tail gas collection treatment |
| CN115682746B (en) * | 2022-10-31 | 2023-09-12 | 奇计(江苏)科技服务有限公司 | Negative electrode material graphitizing furnace system and process easy to collect and treat tail gas |
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