CN210570054U - Aluminum pole workshop waste gas collection pipeline distribution system - Google Patents
Aluminum pole workshop waste gas collection pipeline distribution system Download PDFInfo
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- CN210570054U CN210570054U CN201921269643.0U CN201921269643U CN210570054U CN 210570054 U CN210570054 U CN 210570054U CN 201921269643 U CN201921269643 U CN 201921269643U CN 210570054 U CN210570054 U CN 210570054U
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Abstract
The utility model provides an aluminum rod workshop waste gas collecting pipeline distribution system, which relates to the technical field of waste gas treatment and is used for collecting waste gas discharged by a first furnace, a second furnace and a third furnace, wherein the first furnace, the second furnace and the third furnace are respectively provided with a furnace mouth and a furnace top for discharging smoke; the method is characterized in that: the furnace mouth and the furnace top of the first furnace kiln and the second furnace kiln are communicated with the main exhaust pipe through the first exhaust pipe; and the furnace mouth of the third furnace is communicated with the main exhaust pipe through a second exhaust pipe, and the furnace top of the third furnace is communicated with the main exhaust pipe through a third exhaust pipe. The utility model discloses a rationally distributed exhaust duct can solve stove waste gas basically and collect efficiency.
Description
Technical Field
The utility model relates to a waste gas treatment technical field especially relates to an aluminium pole workshop waste gas collection pipeline distribution system.
Background
In the aluminium pole workshop, need a plurality of aluminum alloy kilns to produce, and the main component of the waste gas that the aluminum alloy kiln discharged is dust, smoke and dust, and refining agent volatile matter inorganic salt etc. because environmental protection requirement, waste gas need can discharge in the atmosphere after handling accord with emission standard, and the waste gas that waste gas treatment produced earlier need collect each stove earlier then carry out centralized processing.
Taking three kilns (two kilns are smaller and one kiln is larger) which are used by a plurality of manufacturers at present as an example, the exhaust gas emission comes from the three kilns. The smoke emission of each furnace comprises combustion smoke emission of normal operation of the furnace and tail gas emission of opened furnace doors, wherein the tail gas emission is small in normal operation, the tail gas is instantaneously emitted to be large when the furnace doors are opened, and the waste gas of the furnace doors is basically emitted in a clearance manner. The total air volume is calculated according to the air volume when the largest large furnace kiln door is opened plus the air volume when one small furnace kiln door is opened, so that the total air volume of the flue gas to be treated is nearly 35000m in the actual normal operation3/h。
Therefore, in the prior art, a set of exhaust gas collection system is adopted for collection, as shown in fig. 1, the exhaust gas collection system includes a dust hood installed on a furnace door of each furnace kiln for collecting exhaust gas discharged when a furnace door is opened, a pipeline is arranged on a furnace top for collecting combustion flue gas generated during normal operation of the furnace kiln, and the distribution of the discharge collection pipeline is shown in fig. 1. The following drawbacks exist:
the original large furnace kiln burns and discharges flue gas and promptly discharges flue gas and large furnace kiln furnace gate flue gas and merges the processing, these two way pipelines merge into the furnace gate and collect tail gas, install automatic valve and furnace gate chain again after the mergence, the pipeline of different furnaces communicates with each other not independently, because the difference of exhaust direction, this kind of pipeline distribution can make the inside air current direction of pipeline conflict, hinder each other, lead to discharging fume not smooth, can produce the phenomenon of flue gas backward flow even, make in the workshop air very big part flue gas diffusion, lead to the production environment not good, thereby influence workman's work efficiency and healthy.
2. The pipeline adopts the quarter turn in many places, leads to the pipeline resistance big, makes to discharge fume not smooth, and collection efficiency is low.
Obviously, the existing aluminum rod workshop waste gas collection system can not meet the requirement.
Based on this, the present case has been made.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned defect that exists among the prior art, the utility model provides an aluminium pole workshop waste gas collection pipeline distribution system to improve waste gas collection efficiency.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a waste gas collecting pipeline distribution system for an aluminum rod workshop is used for collecting waste gas discharged by a first furnace, a second furnace and a third furnace, wherein the first furnace, the second furnace and the third furnace are respectively provided with a furnace opening and a furnace top for discharging flue gas; the furnace mouth and the furnace top of the first furnace kiln and the second furnace kiln are communicated with the main exhaust pipe through the first exhaust pipe; and the furnace mouth of the third furnace is communicated with the main exhaust pipe through a second exhaust pipe, and the furnace top of the third furnace is communicated with the main exhaust pipe through a third exhaust pipe.
Preferably, the first furnace, the second furnace and the third furnace are respectively provided with a first dust hood, a second dust hood and a third dust hood at the furnace mouths; the air inlet end of the first exhaust pipe is communicated with the first dust hood, the second dust hood and the furnace tops of the first furnace and the second furnace; the air inlet end of the second exhaust pipe is communicated with the third dust hood.
Preferably, the third kiln is further provided with an emergency discharge pressure relief opening, a fourth dust hood is installed at the emergency discharge pressure relief opening, and the fourth dust hood is communicated with the main exhaust pipe through a fourth exhaust pipe.
Preferably, the first exhaust pipe, the second exhaust pipe, the third exhaust pipe, the fourth exhaust pipe and the main exhaust pipe are all communicated in an inclined angle.
Preferably, the first dust hood, the second dust hood and the third dust hood are sequentially provided with electromagnetic valves which are respectively linked with the furnace doors of the first furnace, the second furnace and the third furnace in an opening and closing manner, the furnace doors are opened, the corresponding electromagnetic valves are opened, the furnace doors are closed, and the corresponding electromagnetic valves are closed.
Preferably, the second exhaust pipes are connected in parallel, and the air inlet ends of the three second exhaust pipes are respectively communicated with different parts of the third dust hood.
Preferably, the included angle between the first exhaust pipe, the second exhaust pipe, the third exhaust pipe and the fourth exhaust pipe and the main exhaust pipe is 45 °.
Preferably, a first induced draft fan, a second induced draft fan, a third induced draft fan and a fourth induced draft fan are arranged on the furnace top of the first furnace, the furnace top of the second furnace, the furnace top of the third furnace and before the first exhaust pipe enters the main exhaust pipe respectively.
The utility model discloses principle and beneficial effect:
(1) each way waste gas can not discharge simultaneously, consequently with big kiln (third kiln) blow-in door waste gas all the way, the waste gas of two small-furnace kilns (first kiln and second kiln) is common all the way, makes the waste gas collection pipeline of big kiln and small-furnace kiln independent, each other does not influence, consequently can reduce the conflict and the mutual hindrance of air current in the pipeline greatly, makes the air current flow through more smoothly in the pipeline, improves the efficiency that waste gas was collected.
(2) The first exhaust pipe, the second exhaust pipe, the third exhaust pipe, the fourth exhaust pipe and the main exhaust pipe are all communicated with each other at an inclined angle, so that the gas can be prevented from moving in the opposite direction of the main exhaust pipe, the pipeline can be turned to avoid right-angle turning as much as possible, the friction of the gas flow in the pipeline can be reduced, the smoothness of the gas flow can be further improved,
(3) each furnace is respectively provided with an electromagnetic valve interlocked with the opening and closing of each furnace door, the furnace door is opened, the corresponding electromagnetic valve is opened, the furnace door is closed, and the corresponding electromagnetic valve is closed. Because the furnace gate is opened, the instantaneous emission of waste gas is big, through chain setting, can be automatic and in time pass through the suction hood with waste gas and discharge, improves exhaust efficiency, and minimize or avoid waste gas to fill in the air in workshop, further improves collection efficiency.
Drawings
FIG. 1 is a schematic piping layout of a prior art exhaust gas collection piping distribution system for an aluminum rod plant;
fig. 2 is a schematic view of the pipeline layout of the exhaust gas collecting pipeline distribution system of the aluminum rod workshop according to the embodiment.
Description of the labeling: a first furnace 11, a second furnace 12, a third furnace 13, a first furnace top 21, a second furnace top 22, a third furnace top 23, a first dust hood 31, a second dust hood 32, a third dust hood 33, a fourth dust hood 34, a main exhaust pipe 4, a first exhaust pipe 51, a second exhaust pipe 52, a third exhaust pipe 53, a fourth exhaust pipe 54, a first electromagnetic valve 61, a second electromagnetic valve 62, a third electromagnetic valve 63, a fourth electromagnetic valve 64, a fifth electromagnetic valve 65, a sixth electromagnetic valve 66, a seventh electromagnetic valve 67, an eighth electromagnetic valve 68, a first induced draft fan 71, a second induced draft fan 72, a third induced draft fan 73, a fourth induced draft fan 74 and a silencer 8,
the arrow direction in the figure indicates the airflow direction, and the thicker the arrow, the larger the exhaust emission and the larger the corresponding pipe diameter.
Detailed Description
In order to make the technical means and the technical effects achieved by the technical means of the present invention clearer and more complete, the following embodiments are provided and are described in detail with reference to the accompanying drawings as follows:
as shown in fig. 2, the aluminum rod workshop waste gas collecting pipeline distribution system of the present embodiment is used for collecting waste gas discharged from a first kiln 11, a second kiln 12 and a third kiln 13, wherein the first kiln 11, the second kiln 12 and the third kiln 13 are respectively provided with a furnace opening and a furnace top for discharging flue gas; the furnace mouth and the furnace top of the first furnace 11 and the second furnace 12 are communicated with the main exhaust pipe 4 through a first exhaust pipe 51; the mouth of third kiln 13 communicates with main exhaust duct 4 through second exhaust duct 52, and the top of third kiln 13 (third top 23) communicates with main exhaust duct 4 through third exhaust duct 53.
Considering that each way of waste gas can not discharge simultaneously, consequently with the waste gas of the door of opening of big kiln (third kiln 13) all the way, the waste gas of two small-size kilns (first kiln 11 and second kiln 12) shares all the way, makes the waste gas collection pipeline of big kiln and small-size kiln independent, each other does not influence, consequently can reduce the conflict and the mutual hindrance of air current in the pipeline greatly, makes the air current flow through more smoothly in the pipeline, improves the efficiency that waste gas was collected.
In this embodiment, preferably, the first dust hood 31, the second dust hood 32 and the third dust hood 33 are respectively installed at the mouths of the first kiln 11, the second kiln 12 and the third kiln 13; the air inlet end of the first exhaust pipe 51 is communicated with the first dust hood 31, the second dust hood 32 and the furnace tops of the first furnace 11 and the second furnace 12; the air inlet end of the second exhaust pipe 52 communicates with the third dust hood 33.
In this embodiment, the third kiln 13 is further provided with an emergency discharge pressure relief opening, the emergency discharge pressure relief opening is provided with a fourth dust hood 34, and the fourth dust hood 34 is communicated with the main exhaust pipe 4 through a fourth exhaust pipe 54.
In the present embodiment, the first exhaust pipe 51, the second exhaust pipe 52, the third exhaust pipe 53, and the fourth exhaust pipe 54 are preferably in inclined angle communication with the main exhaust pipe 4. The pipeline turns to avoid right-angle turning as much as possible, so that the friction of air flow in the pipeline can be reduced, and the smoothness of air flow can be further improved.
In this embodiment, preferably, the first dust hood 31, the second dust hood 32, and the third dust hood 33 are sequentially provided with electromagnetic valves (electromagnetic valve three 63, electromagnetic valve four 64) which are linked with the oven doors of the first kiln 11, the second kiln 12, and the third kiln 13 respectively to open and close the oven doors, and the corresponding electromagnetic valves are opened, closed, and closed. Because the furnace gate is opened, the instantaneous emission of waste gas is big, through chain setting, can be automatic and in time pass through the suction hood with waste gas and discharge, improves exhaust efficiency, and minimize or avoid waste gas to diffuse in the air in workshop.
In this embodiment, preferably, three second exhaust pipes 52 are connected in parallel, and the air inlet ends of the three second exhaust pipes 52 are respectively communicated with different parts of the third dust hood 33, and are respectively provided with an electromagnetic valve (a fifth electromagnetic valve 65, a sixth electromagnetic valve 66, and a seventh electromagnetic valve 67). When the first kiln 11 needs to discharge more amount of waste gas, the three electromagnetic valves can be opened simultaneously to collect the waste gas at the furnace mouth, so that the waste gas collection amount is increased, and the waste gas collection efficiency is improved.
In this embodiment, a pipe is respectively connected to the furnace top (first furnace top 21) and the dust hood of the first furnace 11 to communicate with the first exhaust pipe 51, a solenoid valve (a first solenoid valve 61) is provided before the exhaust pipe of the first furnace top 21 merges into the first exhaust pipe 51 (at the communication position with the first exhaust pipe 51), and a solenoid valve (a second solenoid valve 62) is provided before the exhaust pipe of the second furnace top 22 merges into the first exhaust pipe 51 (at the communication position with the first exhaust pipe 51).
In addition, the fourth exhaust pipe 54 at the fourth dust hood 34 at the emergency discharge pressure relief port of the large kiln is provided with an electromagnetic valve (an electromagnetic valve eight 68) before being converged into the main exhaust pipe 4, and the electromagnetic valve eight 68 is opened when emergency pressure relief is needed, and is not required to be opened when normal work is performed at ordinary times.
In the present embodiment, the included angle between the first exhaust pipe 51, the second exhaust pipe 52, the third exhaust pipe 53, and the fourth exhaust pipe 54 and the total exhaust pipe 4 is preferably 45 °. This contained angle setting of this pipeline can improve waste gas collection efficiency greatly.
Preferably, in this embodiment, a first induced draft fan 71, a second induced draft fan 72, a third induced draft fan 73 and a fourth induced draft fan 74 are respectively arranged on the top of the first kiln 11, the top of the second kiln 12, the top of the third kiln 13 and before the first exhaust pipe 51 enters the main exhaust pipe 4. Wherein the power of induced draft fan three 73 is 37 kW.
In this embodiment, the first furnace 11 and the second furnace 12 are both 10-ton refining furnaces, and the third furnace 13 is a 20-ton aluminum melting furnace.
The above is a detailed description of the technical solutions provided in connection with the preferred embodiments of the present invention, and it should not be assumed that the embodiments of the present invention are limited to the above description, and it will be apparent to those skilled in the art that the present invention can be implemented in a variety of ways without departing from the spirit and scope of the present invention.
Claims (8)
1. A waste gas collecting pipeline distribution system for an aluminum rod workshop is used for collecting waste gas discharged by a first furnace, a second furnace and a third furnace, wherein the first furnace, the second furnace and the third furnace are respectively provided with a furnace opening and a furnace top for discharging flue gas; the method is characterized in that: the furnace mouth and the furnace top of the first furnace kiln and the second furnace kiln are communicated with the main exhaust pipe through the first exhaust pipe; and the furnace mouth of the third furnace is communicated with the main exhaust pipe through a second exhaust pipe, and the furnace top of the third furnace is communicated with the main exhaust pipe through a third exhaust pipe.
2. The aluminum pole workshop exhaust gas collection pipeline distribution system of claim 1, wherein: the furnace mouths of the first furnace, the second furnace and the third furnace are respectively provided with a first dust hood, a second dust hood and a third dust hood; the air inlet end of the first exhaust pipe is communicated with the first dust hood, the second dust hood and the furnace tops of the first furnace and the second furnace; the air inlet end of the second exhaust pipe is communicated with the third dust hood.
3. The aluminum pole workshop exhaust gas collection pipeline distribution system of claim 1, wherein: the third kiln still is equipped with the emergency discharge pressure release mouth, and emergency discharge pressure release mouth department installs the fourth suction hood, and the fourth suction hood passes through fourth blast pipe and total blast pipe intercommunication.
4. The aluminum pole workshop exhaust gas collection pipeline distribution system of claim 3, wherein: the first exhaust pipe, the second exhaust pipe, the third exhaust pipe, the fourth exhaust pipe and the main exhaust pipe are all communicated in an inclined angle mode.
5. The aluminum pole workshop exhaust gas collection pipeline distribution system of claim 2, wherein: the first dust hood, the second dust hood and the third dust hood are sequentially provided with electromagnetic valves which are respectively linked with the furnace doors of the first furnace, the second furnace and the third furnace in an opening and closing mode, the furnace doors are opened, the corresponding electromagnetic valves are opened, the furnace doors are closed, and the corresponding electromagnetic valves are closed.
6. The aluminum pole workshop exhaust gas collection pipeline distribution system of claim 2, wherein: the second exhaust pipes are connected in parallel, and the air inlet ends of the three second exhaust pipes are communicated with different parts of the third dust hood respectively.
7. The aluminum pole workshop exhaust gas collection pipeline distribution system of claim 3, wherein: the included angle between the first exhaust pipe, the second exhaust pipe, the third exhaust pipe and the fourth exhaust pipe and the total exhaust pipe is 45 degrees.
8. The aluminum pole workshop exhaust gas collection pipeline distribution system of claim 1, wherein: and a first induced draft fan, a second induced draft fan, a third induced draft fan and a fourth induced draft fan are respectively arranged on the furnace top of the first furnace, the furnace top of the second furnace, the furnace top of the third furnace and before the first exhaust pipe enters the main exhaust pipe.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921269643.0U CN210570054U (en) | 2019-08-07 | 2019-08-07 | Aluminum pole workshop waste gas collection pipeline distribution system |
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| CN201921269643.0U CN210570054U (en) | 2019-08-07 | 2019-08-07 | Aluminum pole workshop waste gas collection pipeline distribution system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111790692A (en) * | 2020-07-24 | 2020-10-20 | 中国航空国际建设投资有限公司 | A waste gas collecting system that can assemble for spraying paint place |
| CN113298202A (en) * | 2021-04-19 | 2021-08-24 | 绍兴电力设备有限公司 | Cable industry management system |
-
2019
- 2019-08-07 CN CN201921269643.0U patent/CN210570054U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111790692A (en) * | 2020-07-24 | 2020-10-20 | 中国航空国际建设投资有限公司 | A waste gas collecting system that can assemble for spraying paint place |
| CN111790692B (en) * | 2020-07-24 | 2022-07-26 | 中国航空国际建设投资有限公司 | A waste gas collecting system that can assemble for place of spraying paint |
| CN113298202A (en) * | 2021-04-19 | 2021-08-24 | 绍兴电力设备有限公司 | Cable industry management system |
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