CN217541525U - Use system and tunnel cave of discharging fume on tunnel cave - Google Patents

Abstract

The utility model discloses an use system of discharging fume on tunnel cave, it sets up on the kiln body of tunnel cave, including stirring wind unit and the unit of airing exhaust, stirring wind unit sets up on the kiln body and the gas outlet of stirring wind unit is established at the top of the kiln body, in addition, the unit setting of airing exhaust is on the kiln body just the extraction opening of the unit of airing exhaust is close to the bottom of the kiln body sets up to take out the flue gas of kiln body bottom through the extraction opening and leave, because stirring wind unit is to the internal high-pressure air current that sprays of kiln, thereby can drive the flue gas at kiln body top and flow down, the unit of airing exhaust moreover makes kiln body bottom produce local negative pressure, also does benefit to the flue gas and flows toward kiln body bottom, thereby improves the dust removal effect of discharging fume.

Description

Use system and tunnel cave of discharging fume on tunnel cave

Technical Field

The utility model relates to a tunnel cave additional equipment technical field, in particular to use system and tunnel cave of discharging fume on tunnel cave.

Background

During the roasting process of the lithium carbonate in the tunnel kiln, a large amount of smoke can be generated, and the roasting quality and the roasting efficiency of the lithium carbonate can be influenced if the smoke is not discharged.

In current design, current system of discharging fume is for taking out the internal smoke and dust gas of kiln through the air exhauster, reaches the purpose of discharging fume and removing dust through activated carbon adsorption again, because the suction opening of system of discharging fume sets up the position comparatively single, if set up the lateral wall upside or the downside at the kiln body, make the system of discharging fume only can discharge fume the upper portion or the lower part of the kiln body, still if set up the suction opening simultaneously at the lateral wall upside and the downside of the kiln body, can lead to the internal temperature of kiln to hang down excessively, and influence the calcination effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an use system of discharging fume and tunnel cave on tunnel cave aims at solving at least one technical problem who mentions in the background art.

In order to achieve the above purpose, the technical scheme of the utility model has:

a smoke exhaust system applied to a tunnel kiln, which is arranged on a kiln body of the tunnel kiln, comprises:

the stirring air unit is arranged on the kiln body, an air outlet of the stirring air unit is arranged close to the top of the kiln body, and the stirring air unit is used for jetting high-pressure airflow into the kiln body through an air outlet;

the exhaust unit is arranged on the kiln body, an air exhaust opening of the exhaust unit is close to the bottom of the kiln body, and the exhaust unit is used for exhausting flue gas at the bottom of the kiln body through the air exhaust opening.

Compared with the prior art, the utility model discloses an use system of discharging fume on tunnel cave, it sets up on the kiln body of tunnel cave, including stirring wind unit and the unit of airing exhaust, the setting of stirring wind unit is on the kiln body and the gas outlet of stirring wind unit is established at the top of the kiln body, in addition, the unit setting of airing exhaust is on the kiln body just the extraction opening of the unit of airing exhaust is close to the bottom setting of the kiln body to take out the flue gas of kiln body bottom through the extraction opening and separate, because stirring wind unit sprays high-pressure air current to the kiln body, thereby can drive the flue gas at kiln body top and flow down, the unit of airing exhaust moreover is bled and is made kiln body bottom produce local negative pressure, also does benefit to the flue gas and flows toward kiln body bottom, thereby improves the dust removal effect of discharging fume.

Further, the agitating wind unit includes:

a stirring fan;

the first main pipe is connected with an air supply outlet of the stirring fan;

at least one first branch pipe, the first branch pipe is communicated with the first main pipe;

the stirring fan sucks ambient air to enter the first main pipe, the ambient air is conveyed to the first branch pipe through the first main pipe, and high-pressure airflow is formed through the first branch pipe and is sprayed into the kiln body.

Furthermore, the outlet end of the first branch pipe is connected with a fan cover.

Further, the system of discharging fume includes:

the waste heat recovery unit comprises a waste heat recovery pipeline, and the waste heat recovery pipeline is communicated with the first main pipe.

Further, the air exhaust unit includes:

an exhaust fan;

the second main pipe is connected with an air supply outlet of the exhaust fan;

at least one second branch pipe, the second branch pipe is communicated with the second main pipe;

and the exhaust fan extracts air in the kiln body and enables the air to flow into the second main pipe through the second branch pipe.

As a preferred scheme of the utility model, still provide a tunnel cave, include as above-mentioned exhaust system.

For a better understanding and an implementation, the present invention is described in detail below with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural diagram of a smoke exhausting system applied to a tunnel kiln in this embodiment.

Detailed Description

In order to better illustrate the present invention, the following detailed description of the present invention is made with reference to the accompanying drawings.

It should be understood that the embodiments described are only a few embodiments of the present application, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without any creative effort belong to the protection scope of the embodiments in the present application.

The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the embodiments of the present application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the application, as detailed in the appended claims. In the description of the present application, it is to be understood that the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not necessarily used to describe a particular order or sequence, nor are they to be construed as indicating or implying relative importance. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

Further, in the description of the present application, "a plurality" means two or more unless otherwise specified. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.

The current system of discharging fume is for taking out the internal smoke and dust gas of kiln through the air exhauster, reaches the purpose of discharging fume and removing dust through active carbon adsorption again, because the suction opening of the system of discharging fume sets up the position comparatively singly, if set up the lateral wall upside or the downside at the kiln body, make the system of discharging fume only can discharge fume the upper portion or the lower part of the kiln body, if still set up the suction opening simultaneously at the lateral wall upside and the downside of the kiln body, can lead to the internal temperature of kiln to hang down excessively, and influence the calcination effect.

Therefore, the utility model discloses the problem of actually solving lies in how to adjust the smoke exhaust structure of tunnel cave with this smoke exhaust effect who shines the tunnel cave.

As an illustrative example of the present embodiment, as shown in fig. 1, a smoke exhausting system applied to a tunnel kiln is provided on a kiln body 100 of the tunnel kiln, and comprises:

the stirring air unit 1 is arranged on the kiln body 100, an air outlet of the stirring air unit 1 is arranged close to the top of the kiln body 100, and the stirring air unit 1 is used for jetting high-pressure airflow into the kiln body 100 through an air outlet;

the exhaust unit 2 is arranged on the kiln body 100, an air exhaust opening of the exhaust unit 2 is close to the bottom of the kiln body 100, and the exhaust unit 2 is used for exhausting flue gas at the bottom of the kiln body 100 through the air exhaust opening.

In the embodiment, the smoke exhaust system applied to the tunnel kiln is arranged on a kiln body 100 of the tunnel kiln and comprises a stirring air unit 1 and an exhaust air unit 2, wherein the stirring air unit 1 is arranged on the kiln body 100, an air outlet of the stirring air unit 1 is formed in the top of the kiln body 100, in addition, the exhaust air unit 2 is arranged on the kiln body 100, an air exhaust opening of the exhaust air unit 2 is close to the bottom of the kiln body 100, smoke at the bottom of the kiln body 100 is extracted through the air exhaust opening, and high-pressure airflow is injected into the kiln body 100 by the stirring air unit 1, so that the smoke at the top of the kiln body 100 can be driven to flow downwards, and the exhaust air unit 2 is extracted to enable the bottom of the kiln body 100 to generate local negative pressure, so that the smoke can flow towards the bottom of the kiln body 100, and the dust removal effect is improved.

In the process of roasting the lithium carbonate brick in the tunnel kiln, partial heat in the kiln body 100 can be taken away due to continuous air exhaust of the air exhaust unit 2, so that the temperature difference is formed between the upper part and the lower part in the kiln body 100; stirring wind unit 1 sprays high-pressure draught into kiln body 100 through the gas outlet, form the air curtain then, the flue gas at kiln body 100 top is when passing through the air curtain, this part flue gas can flow down along with the air curtain to make it have more abundant contact with the lithium carbonate fragment of brick, because the flue gas heat at kiln body 100 top is higher, improve the calcination temperature of the lithium carbonate fragment of brick of kiln body 100 lower part then, from on the other hand, the upper portion and the lower part difference in temperature in kiln body 100 have been reduced, make kiln body 100 inside everywhere can keep the constancy of temperature basically.

In the present embodiment, as shown in fig. 1, the stirring wind unit 1 includes:

a stirring fan (not shown);

a first main pipe 11, wherein the first main pipe 11 is connected with an air supply outlet of a stirring fan (not shown);

at least one first branch pipe 12, said first branch pipe 12 being in communication with the first main pipe 11;

the stirring fan (not shown) draws ambient air into the first main pipe 11, and the ambient air is conveyed from the first main pipe 11 to the first branch pipe 12, and forms high-pressure airflow through the first branch pipe 12 to be sprayed into the kiln body 100.

Specifically, a stirrer fan (not shown) is operated to draw ambient air through the first main duct 11 and to deliver it to various locations at the top of the kiln body 100 through a first branch duct 12 connecting the first main duct 11.

Preferably, an outlet end of the first branch pipe 12 is connected to a fan housing 13, and the fan housing 13 is used for adjusting the shape of an air curtain formed by the high-pressure air jet injected by the stirring air unit 1, so as to increase the range of the air curtain formed in the kiln body 100.

In this embodiment, as shown in fig. 1, the smoke exhausting system includes:

a waste heat recovery unit (not shown) comprising a waste heat recovery pipe, the waste heat recovery pipe being in communication with the first main pipe 11.

The waste heat recovery unit (not shown) is used for recovering the waste heat of the tunnel kiln after the lithium carbonate bricks are baked, in order to increase the temperature of the stirring air entering the kiln body 100, the waste heat recovery pipeline is communicated with the first main pipe 11, and the air of the waste heat of the lithium carbonate bricks recovered by the waste heat recovery unit (not shown) is input into the first main pipe 11 through the waste heat recovery pipeline.

When the stirring fan (not shown) is operated, the sucked ambient air enters the first main pipe 11 and is combined with the waste heat to recover the fed air, so that the temperature of the mixed air in the first main pipe 11 is increased, the air flow sprayed from the air outlet of the stirring air unit 1 has higher temperature, and the temperature loss in the kiln body 100 caused by the sucked ambient air is reduced.

In the present embodiment, as shown in fig. 1, the exhaust unit 2 includes:

an exhaust fan (not shown);

a second main pipe 21, the second main pipe 21 being connected to an air supply outlet of an exhaust fan (not shown);

at least one second branch pipe 22, the second branch pipe 22 being in communication with the second main pipe 21;

the exhaust fan (not shown) draws out air in the kiln body 100 and discharges the air into the second main pipe 21 through the second branch pipe 22.

Specifically, the exhaust fan (not shown) operates to pump the flue gas in the kiln body 100 to the second branch pipes 22 through the air extraction openings corresponding to the second branch pipes 22, the flue gas in the second branch pipes 22 is merged into the second main pipe 21, and the flue gas is uniformly output from the second main pipe 21 for processing, and the processing mode is not limited to the use of activated carbon for smoke removal and dust removal.

As a preferable solution in this embodiment, there is also provided a tunnel kiln, which includes the smoke exhaust system as described above, and since the tunnel kiln includes the smoke exhaust system, the tunnel kiln has all the beneficial effects of the smoke exhaust system, which are not stated herein.

Variations and modifications to the above-described embodiments may occur to those skilled in the art based upon the disclosure and teachings of the above specification. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, such terms are used for convenience of description and are not to be construed as limiting the invention in any way.

Claims (6)

1. The utility model provides an use system of discharging fume on tunnel cave which sets up on the kiln body of tunnel cave which characterized in that includes:

the stirring air unit is arranged on the kiln body, an air outlet of the stirring air unit is arranged close to the top of the kiln body, and the stirring air unit is used for jetting high-pressure airflow into the kiln body through an air outlet;

the exhaust unit is arranged on the kiln body, an air exhaust opening of the exhaust unit is close to the bottom of the kiln body, and the exhaust unit is used for exhausting flue gas at the bottom of the kiln body through the air exhaust opening.

2. The smoke evacuation system of claim 1, wherein the agitator air unit comprises:

a stirring fan;

the first main pipe is connected with an air supply outlet of the stirring fan;

at least one first branch pipe, the first branch pipe is communicated with the first main pipe;

and the stirring fan pumps ambient air into the first main pipe, the ambient air is conveyed to the first branch pipe from the first main pipe, and high-pressure air flow is formed through the first branch pipe and is sprayed into the kiln body.

3. The smoke evacuation system of claim 2, wherein:

the outlet end of the first branch pipe is connected with a fan cover.

4. The smoke evacuation system of claim 2, comprising:

the waste heat recovery unit comprises a waste heat recovery pipeline, and the waste heat recovery pipeline is communicated with the first main pipe.

5. A smoke evacuation system as claimed in claim 1 wherein said ventilation unit comprises:

an exhaust fan;

the second main pipe is connected with an air supply outlet of the exhaust fan;

at least one second branch pipe, the second branch pipe is communicated with the second main pipe;

and the exhaust fan is used for pumping air in the kiln body and collecting the air into the second main pipe through the second branch pipe.

6. A tunnel kiln, characterized in that it comprises a smoke evacuation system according to any one of claims 1 to 5.

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