CN205360871U - Zinc oxide resistance card spraying aluminum technology dust pelletizing system - Google Patents

Abstract

The utility model discloses a dust removal system for spraying aluminum on a zinc oxide resistor sheet, which comprises an aluminum spraying machine, an explosion-proof water tank and a cloth bag dust collector connected sequentially through pipelines; the aluminum spraying machine is connected to the fire-proof and explosion-proof water tank through pipelines ; The top of the explosion-proof water tank is connected with the inlet pipe of the bag filter by pipes; wherein the aluminum powder enters the explosion-proof water tank from the aluminum spraying machine; the aluminum powder from the explosion-proof water tank is introduced into the bag for dust removal There are several explosion-proof holes on the top of the bag filter; the dust removal control system is also installed in the bag filter. The utility model provides a dust removal system of zinc oxide resistance sheet aluminum spraying process, which uses a bag dust collector to collect aluminum powder, and the collection rate reaches more than 98%. It not only has a high collection rate of aluminum powder, but also greatly reduces Or an explosion accident.

Description

A dust removal system for zinc oxide resistance sheet aluminum spraying process

technical field

The utility model relates to the field of manufacturing metal zinc oxide resistors, in particular to a dust removal system for zinc oxide resistors sprayed with aluminum.

Background technique

At present, the resistor film industry in our country adopts the aluminum spraying process introduced from Japan (Hitachi) in the 1980s when spraying aluminum on products. The aluminum powder is treated with a cyclone separator to separate and collect the aluminum powder or directly discharge the aluminum powder through a pipeline. In the air; it mainly has the following two problems:

1. In the prior art, the aluminum powder is directly discharged into the air, which has a major hidden danger of causing serious pollution to the environment, which makes the environmental assessment fail to meet the standards;

2. When the cyclone separator is used for collection, if the aluminum powder accumulates in the pipeline, it is easy to burn or explode during the aluminum spraying process, which will seriously threaten the safety of the operator.

To sum up, there is an urgent need to design a dust removal system for zinc oxide resistance sheet aluminum spraying process that overcomes the above technical problems.

Utility model content

The purpose of this utility model is to provide a dust removal system of zinc oxide resistance sheet aluminum spraying process, which uses a bag filter to collect aluminum powder, and the collection rate reaches more than 98%; it not only has a higher collection rate of aluminum powder, but also greatly The accident of burning or explosion is reduced.

In order to achieve the above purpose, the technical solution adopted by the utility model is: a dust removal system of zinc oxide resistance sheet aluminum spraying process,

Including aluminum spraying machine, anti-explosion water tank and bag dust collector connected by pipeline in turn;

The aluminum spraying machine is connected to the fire and explosion proof water tank through pipelines; the top of the fire and explosion proof water tank is connected with the inlet pipeline of the bag filter by pipes; wherein aluminum powder enters the fire and explosion proof water tank from the aluminum spraying machine; The aluminum powder from the explosion-proof water tank is introduced into the bag filter for dust collection operation;

Several explosion-proof holes are opened in the middle and upper part of the bag filter;

The dust removal control system is also installed in the bag filter.

A dust removal system for zinc oxide resistance sheet aluminum spraying process as described above, wherein the bag filter includes an inlet pipe, a dust collector, an outlet pipe, a fan and a collection bucket;

The inlet pipe is arranged on the left side wall close to the lower end of the bag filter; the outlet pipe is arranged on the right side wall of the upper end of the bag filter; the fan is arranged outside the dust collector, The outlet pipe of the dust collector is connected to the inlet of the fan; the outlet pipe of the fan is connected to the outlet of the fan; the collection bucket is arranged at the lower end of the bag filter.

According to the above-mentioned dust removal system of zinc oxide resistance sheet aluminum spraying process, the height of the air outlet duct of the fan is 10m.

The above-mentioned dust removal system for spraying aluminum on zinc oxide resistors, wherein the dust removal control system starts every 30 seconds.

Compared with the prior art, the beneficial effects produced by the utility model are mainly reflected in:

1. The dust removal system of the zinc oxide resistive sheet aluminum spraying process of the present utility model uses an explosion-proof water tank and a bag filter, which not only realizes the collection of aluminum powder, but also ensures that the aluminum powder will not be discharged into the aluminum spraying process. In the air, it also solves the safety problems of aluminum powder combustion and explosion;

2. A dust removal system of zinc oxide resistive sheet aluminum spraying process of the present utility model, the bag dust collector is equipped with a dust removal control system, so as to collect and regularly clean the cleaned aluminum powder;

3. The utility model is a zinc oxide resistive chip aluminum spraying process dust removal system, which has the characteristics of simple structure, convenient operation and high aluminum powder collection rate.

Description of drawings

Fig. 1 is the structural representation of a kind of zinc oxide resistive sheet aluminum spraying process dust removal system of the present utility model;

Explanation of reference signs:

1. Aluminum spraying machine 2. Anti-explosion water tank 3. Bag dust collector

4. Outlet duct 5. Explosion-proof hole 6. Inlet duct

7. Dust collector 8. Outlet pipe 9. Fan

10. Collection bucket

detailed description

In order to facilitate the understanding of the purpose, technical solutions and effects of the utility model, the utility model will be further described in detail in combination with embodiments.

As shown in Figure 1, a kind of zinc oxide resistive plate aluminum spraying process dedusting system of the present utility model comprises the aluminum spraying machine 1 connected by pipeline successively, fire and explosion proof water tank 2 and bag filter 3; Said aluminum spraying machine 1 The explosion-proof water tank 2 is connected through a pipeline; the top of the explosion-proof water tank 2 is connected with the inlet pipeline 6 of the bag filter 3 by a pipeline; wherein aluminum powder enters the explosion-proof water tank 2 from the aluminum spraying machine 1; The aluminum powder from the explosion-proof water tank 2 is introduced into the bag filter 3 for dust collection operation; the middle and upper part of the bag filter 3 is provided with several explosion-proof holes 5; the bag filter 3 is also provided with cleaning Ash control system.

A dust removal system of the zinc oxide resistor sheet aluminum spraying process of the utility model, firstly, the bag dust collector 3 is used to collect aluminum powder, which avoids the formation of a sealed space when collecting aluminum powder, and at the same time, there are several dust collectors on the top of the bag dust collector 3 Explosion-proof holes 5, so the possibility of explosion is avoided; at the same time, an explosion-proof water tank 2 is added in front of the bag filter 3 to extinguish the fire before the flame reaches the bag filter 3; the aluminum sprayer 1 enters the explosion-proof water tank 2 through the pipe, The aluminum powder is pumped into the bag filter 3 through the pipeline above the explosion-proof water tank 2, and the bag is used for dust removal and aluminum powder collection. At the same time, there is a dust removal control system in the bag filter 3; Collect the cleaned aluminum powder and clean it regularly.

As shown in Figure 1, a kind of zinc oxide resistive sheet aluminum spraying process dust removal system of the present utility model, described bag filter 3 comprises inlet pipeline 6, dust collector 7, outlet pipeline 8, blower fan 9 and collection bucket 10; The inlet pipe 6 is arranged on the left side wall near the lower end of the bag filter 3; the outlet pipe 8 is arranged on the right side wall of the upper end of the bag filter 3; the fan 9 is arranged on the dust collector 7, the outlet pipe 8 of the dust collector 7 is connected to the inlet of the fan 9; the outlet pipe 4 of the fan 9 is connected to the outlet of the fan 9; the collection bucket 10 is located in the bag filter 3 the inner lower end.

A dust removal system of the zinc oxide resistor sheet aluminum spraying process of the utility model, the air outlet of the aluminum spraying machine 1 is connected with the anti-explosion water tank 2 through a pipeline, and there is an appropriate amount of water under the anti-explosion water tank 2, and the anti-explosion water tank The upper part of 2 is connected to the inlet of bag filter 3 by pipes, the inlet of bag filter 3 is below bag filter 3, the outlet of bag filter 3 is connected to the inlet of fan 9 by pipes above bag filter 3, and the outlet of fan 9 The air duct 4 is connected with the outlet of the blower fan 9 and leads to a place with a height of 10m.

A dust removal system of the zinc oxide resistor plate aluminum spraying process of the present utility model, before the aluminum spraying machine 1 works, the fan 9 behind the bag filter 3 is turned on, and the whole pipeline and the explosion-proof are controlled by the fan 9 behind the bag filter 3 The water tank 2 is ventilated; when the aluminum spraying machine 1 is working, the aluminum powder that appears first passes through the anti-explosion water tank 2, and there is water at the bottom of the anti-explosion water tank 2. When the aluminum powder passes through the water surface of the anti-explosion water tank 2, the aluminum powder will appear A small amount of flame is extinguished, and then enters the inlet of the bag filter 3 through the pipe, and the bag must pass between the inlet and the outlet of the bag filter 3. When the aluminum powder passes through the bag, the excess air is sent into the air through the gap in the middle of the bag. During the process, the aluminum powder in the pipeline will float on the surface of the bag; the cleaning control system starts every 30 seconds to clean up the floating aluminum powder on the bag and drop it into the collection box below the bag filter 3 to complete a cleaning And the collection cycle; in this way, the collection of aluminum powder is realized, so as to ensure that the aluminum powder will not be discharged into the air during the aluminum spraying process, and also solve the safety problems of aluminum powder combustion and explosion.

As shown in Fig. 1, a kind of dust removal system of zinc oxide resistive sheet aluminum spraying process of the present utility model, the height of the air outlet pipe 4 of described blower fan 9 is 10m.

As shown in Fig. 1, a dust removal system of a zinc oxide resistive sheet aluminum spraying process of the present invention, the dust removal control system starts once every 30 seconds.

The utility model has been further described above in conjunction with the embodiments, but the utility model is not limited to the above-mentioned embodiment, within the scope of knowledge possessed by those of ordinary skill in the art, it can also be used without departing from the purpose of the utility model. Make various changes.

Claims (4)

1. a zinc oxide resistance sheet aluminum spraying technique dust pelletizing system, it is characterised in that:

Including passing sequentially through the aluminium-plated machine of pipeline connection, preventing firing water tank and sack cleaner；

Described aluminium-plated machine is connected by pipeline and described anti-fires water tank；This anti-top firing water tank adopts pipeline to be connected with the inlet duct of sack cleaner；Wherein aluminium powder enters from aluminium-plated machine and described anti-fires water tank；This is introduced this sack cleaner from the anti-aluminium powder fired in water tank and carries out dedusting collection operation；

The middle and upper part of described sack cleaner offers several explosionproof hole；

Dust-removing control system it is additionally provided with in described sack cleaner.

2. a kind of zinc oxide resistance sheet aluminum spraying technique dust pelletizing system according to claim 1, it is characterised in that:

Described sack cleaner includes inlet duct, cleaner unit, outlet conduit, blower fan and collecting vessel；

Described inlet duct is located on the close lower end left side wall of described sack cleaner；Described outlet conduit is located on the right side wall of the upper end of described sack cleaner；The outside of described cleaner unit is located at by described blower fan, and the outlet conduit of described cleaner unit is connected with the import of described blower fan；The wind pipe of described blower fan is connected with the outlet of blower fan；Described collecting vessel is located at the lower end of the inside of described sack cleaner.

3. a kind of zinc oxide resistance sheet aluminum spraying technique dust pelletizing system according to claim 2, it is characterised in that:

The height of the wind pipe of described blower fan is 10m.

4. a kind of zinc oxide resistance sheet aluminum spraying technique dust pelletizing system according to claim 3, it is characterised in that:

Described dust-removing control system started once at interval of 30 seconds.