CN111957668A - Online automatic deashing system of dust removal pipeline - Google Patents

Abstract

The invention belongs to the technical field of on-line automatic ash cleaning of industrial dust dedusting pipelines, and in particular relates to an online automatic ash cleaning system for dedusting pipelines, comprising a dedusting pipeline, a spray gun device, an automatic control device and a compressed air pipeline device; a spray gun connecting pipe, a plurality of the spray gun connecting pipes are installed obliquely on the outer wall of the dust removal pipe; the spray gun device includes a nozzle and an electric ball valve, each of the spray gun connecting pipes is installed with the nozzle, each of the spray gun connecting pipes One end of the nozzles all pass through the dust removal pipe, and the other end of each nozzle is communicated with the compressed air pipeline device, and the compressed air pipeline device is used for supplying compressed air into the nozzles. The invention replaces the traditional manual ash cleaning method, and the system can automatically clean ash regularly under normal operation, realizes instant ash cleaning, prevents pipeline blockage, greatly reduces operating energy consumption, and improves dust removal efficiency.

Description

An online automatic cleaning system for dust removal pipeline

technical field

The invention belongs to the technical field of on-line automatic ash cleaning of industrial dust dedusting pipelines, and particularly relates to an online automatic ash cleaning system for dedusting pipelines.

Background technique

Most of the dust removal systems have horizontally arranged dust removal pipes. In the actual operation process, dust is often deposited at the bottom of the pipes, which requires manual cleaning, which not only wastes manpower, but also affects the operation of the equipment. If it is not cleaned in time, it will accumulate more and more. The effective ventilation area of the pipeline is reduced or the pipeline is blocked, the operating resistance of the pipeline is increased, the balance of air volume and air pressure of the entire system is broken, the suction and capture speed of the dust collection point cannot meet the design requirements, and the dust concentration of the post exceeds the standard, which affects the dust removal effect. . As the country has become more and more stringent on post dust concentration and emission standards, the conventional dust removal pipeline operation mode cannot fully meet the requirements of the dust removal system.

Therefore, the online automatic cleaning system is added to the dust removal pipeline, which solves the problem of pipeline blockage to a certain extent, reduces the resistance of the pipeline, improves the dust removal efficiency, and realizes low energy consumption and ultra-low emission.

SUMMARY OF THE INVENTION

The present invention provides an on-line automatic dust cleaning system for dust removal pipes, which aims to solve the comprehensive problems of dust accumulation in existing dust removal pipes, high and uncontrollable energy consumption of pipe operation, and higher cost for post dust collection rate in the above background technology. question.

In order to achieve the above purpose, the present invention provides the following technical solutions: an on-line automatic dust cleaning system for a dust removal pipeline, including a dust removal pipeline, a spray gun device, an automatic control device and a compressed air pipeline device;

The dust removal pipe includes a dust removal pipe and a spray gun connection pipe, and a plurality of the spray gun connection pipes are installed obliquely on the outer wall of the dust removal pipe;

The spray gun device includes a nozzle and an electric ball valve, the nozzle is installed on each of the spray gun connecting pipes, one end of each nozzle penetrates the dust removal pipe, and the other end of each nozzle is connected to the The compressed air pipeline device is connected with each other, and the compressed air pipeline device is used for supplying compressed air into the nozzle, the electric ball valve is installed on the compressed air pipeline device, the number of the electric ball valve and the number of the nozzle consistent;

The automatic control device is electrically connected to each of the electric ball valves, and the automatic control device is used to open or close the electric ball valve.

Preferably, the compressed air pipeline device includes an air storage tank and an air pipeline, one end of the air pipeline is in fixed communication with the air storage tank, and the other end of the air pipeline is in communication with each of the nozzles.

Preferably, the compressed air pipeline device further includes a pressure gauge, and the pressure gauge is provided on the side of the air pipeline close to the air storage tank.

Preferably, the compressed air duct device further includes an air filter, and the air duct is provided with the air filter on one side of the pressure gauge.

Preferably, the compressed air pipeline device further includes a pressure reducing valve, and the pressure reducing valve is provided on the air pipeline and located on one side of the air filter.

Preferably, the automatic control device includes an electric control cabinet and a control circuit, the electric control cabinet is electrically connected with the control circuit, and the control circuit is electrically connected to each of the electric ball valves.

Preferably, the automatic control device further comprises a threading pipe, the threading pipe is wrapped on the outside of the control circuit, and the control circuit is electrically connected to each of the electric ball valves through the threading pipe.

Preferably, a plurality of the spray gun connecting pipes are evenly and equally spaced distributed on the outer wall of the dust removal pipe.

Compared with the prior art, the beneficial effect of the present invention is: by controlling the installation angle of the nozzle in the spray gun device and the dust removal pipe, it is ensured that the compressed air is sprayed into the dust removal pipe at a certain inclination angle, the dust accumulated at the bottom of the pipe is blown up, and the dust is accumulated. It enters the dust collector with the air flow, and filters and discharges it in time; through the automatic control device and the compressed air pipeline device, the dust accumulation at the bottom of the dust removal pipe is automatically cleaned, instead of the traditional manual dust removal method, and the system can be automatically cleaned regularly under normal operation. ash, realize instant ash cleaning, prevent pipeline blockage, greatly reduce operating energy consumption, and improve dust removal efficiency.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the partial enlarged view of A place in Fig. 1;

In the picture: Ⅰ-dust removal pipe, 1-dust removal pipe, 2-spray gun connection pipe, Ⅱ-spray gun device, 3-nozzle, 4-electric ball valve, Ⅲ-automatic control, 5-electric control cabinet, 6-control circuit, 7 -Threading pipe, Ⅳ-compressed air pipeline, 8-air storage tank, 9-pressure gauge, 10-air filter, 11-pressure reducing valve, 12-air pipeline.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Referring to Figure 1, the present invention provides a technical solution: an on-line automatic dust cleaning system for a dust removal pipeline, including a dust removal pipeline I, a spray gun device II, an automatic control device III and a compressed air pipeline device IV;

The dust removal pipe I includes a dust removal pipe 1 and a spray gun connection pipe 2, and a plurality of spray gun connection pipes 2 are installed obliquely on the outer wall of the dust removal pipe 1;

The spray gun device II includes a nozzle 3 and an electric ball valve 4. Each spray gun connecting pipe 2 is equipped with a nozzle 3. One end of each nozzle 3 runs through the dust removal pipe 1, and the other end of each nozzle 3 is connected to the compressed air pipeline device IV. The compressed air pipeline device IV is used to supply compressed air to the nozzle 3, the electric ball valve 4 is installed on the compressed air pipeline device IV, and the number of the electric ball valve 4 is the same as the number of the nozzle 3;

The automatic control device III is electrically connected with each electric ball valve 4 , and the automatic control device III is used to open or close the electric ball valve 4 .

In this embodiment, according to the diameter of the dust removal pipe 1, the dust characteristics at the bottom of the dust removal pipe 1, and the airflow velocity of the compressed air provided by the compressed air duct device IV, the size and installation angle of the used spray gun device II are calculated, as well as the compression The amount of compressed air provided by the air duct device IV, etc., the inclined installation of the spray gun device II ensures that the compressed air is sprayed into the dust removal pipe 1 at a certain angle, and the dust at the bottom of the dust removal pipe 1 is blown up, so that the dust can enter with the airflow. Dust collector to filter emissions in time. Specifically, the automatic control device III installed on the site is manually or regularly activated, the electric ball valve 4 is opened, the compressed air is sprayed into the dust removal pipe 1 through the nozzle 3, and the dust accumulation at the bottom of the dust removal pipe 1 is blown up, so that the dust accumulation follows the dust removal pipe 1. The airflow flows in the dust removal pipe 1 and is brought into the dust collector for purification treatment.

Further, the compressed air pipeline device IV includes an air storage tank 8 and an air pipeline 12 .

In this embodiment, the compressed air in the air storage tank 8 can pass through the air pipe 12 and then flow into the nozzle 3 , and finally be ejected by the inclined nozzle 3 to blow up the dust deposits at the bottom of the dust removal pipe 1 .

Further, the compressed air pipeline device IV also includes a pressure gauge 9 , and a pressure gauge 9 is provided on the side of the air pipeline 12 close to the air storage tank 8 .

In this embodiment, the pressure gauge 9 is used to measure and indicate the pressure of the compressed air in the air pipeline 12, so that it is convenient for the staff to monitor the pressure of the compressed air.

Further, the compressed air pipeline device IV further includes an air filter 10 , and an air filter 10 is provided on the air pipeline 12 and located on one side of the pressure gauge 9 .

In this embodiment, the air filter 10 can filter the compressed air in the air duct 12 to obtain the compressed air that can meet the standard, so as to improve the quality of the compressed air.

Further, the compressed air pipeline device IV further includes a pressure reducing valve 11 , and a pressure reducing valve 11 is provided on the air pipeline 12 and located on one side of the air filter 10 .

In this embodiment, the pressure reducing valve 11 can reduce the pressure of the compressed air in the air pipe 12 to a certain required pressure and then discharge it, and can control the pressure of the compressed air in the air pipe 12 .

Further, the automatic control device III includes an electric control cabinet 5 and a control circuit 6 . The electric control cabinet 5 is electrically connected with a control circuit 6 , and the control circuit 6 is electrically connected to each electric ball valve 4 .

In this embodiment, the electric control cabinet 5 installed on the site is manually or regularly activated, the electric ball valve 4 is opened, and the compressed air is sprayed into the dust removal pipe 1 through the spray gun device II to blow up the dust accumulation at the bottom of the dust removal pipe 1, so that the accumulated dust is removed. The ash flows in the dust collector 1 with the airflow, and is finally brought into the dust collector for purification.

Further, the automatic control device III also includes a threading pipe 7 , which is wrapped around the outside of the control circuit 6 , and the control circuit 6 is electrically connected to each electric ball valve 4 through the threading pipe 7 .

In this embodiment, the outer side of the control circuit 6 is wrapped by the threading pipe 7 to protect the control circuit 6 from being damaged easily.

Further, a plurality of spray gun connecting pipes 2 are evenly and equally spaced distributed on the outer wall of the dust removal pipe 1 .

In this embodiment, according to the calculated design drawing, the installation angle of the spray gun device II, the spacing distance, and the required number of groups of the spray gun device II are installed on the dust removal duct I.

The working principle and use process of the present invention: After the present invention is installed, manually or regularly start the automatic control device III installed on the site, open the electric ball valve 4, and spray the compressed air into the dust removal pipe 1 through the nozzle 3. The inclined installation of the nozzle 3 It is ensured that the compressed air is sprayed into the dust removal pipe 1 at a certain angle, and the dust accumulated at the bottom of the dust removal pipe 1 is blown up, so that the accumulated dust flows in the dust removal pipe 1 with the airflow and is brought into the dust collector for purification.

The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the present invention. Inside.

Claims (8)

1. A dedusting pipeline on-line automatic cleaning system is characterized in that: comprising dedusting pipeline (I), spray gun device (II), automatic control device (III) and compressed air pipeline device (IV); The dust removal pipe (I) comprises a dust removal pipe (1) and a spray gun connection pipe (2), and a plurality of the spray gun connection pipes (2) are installed on the outer wall of the dust removal pipe (1) obliquely; The spray gun device (II) comprises a nozzle (3) and an electric ball valve (4), the nozzle (3) is installed on each of the spray gun connecting pipes (2), and one end of each nozzle (3) is All through the dust removal pipe (1), the other end of each nozzle (3) is communicated with the compressed air pipeline device (IV), and the compressed air pipeline device (IV) is used to send the nozzle (IV) to the nozzle (IV). 3) Compressed air is provided inside, the electric ball valve (4) is installed on the compressed air pipeline device (IV), and the number of the electric ball valve (4) is consistent with the number of the nozzles (3); The automatic control device (III) is electrically connected to each of the electric ball valves (4), and the automatic control device (III) is used to open or close the electric ball valve (4). 2. The online automatic ash cleaning system for dedusting pipelines according to claim 1, characterized in that: the compressed air pipeline device (IV) comprises an air storage tank (8) and an air pipeline (12), and the air pipeline (12) One end is in fixed communication with the air storage tank (8), and the other end of the air pipe (12) is in communication with each of the nozzles (3). 3. The online automatic dust cleaning system for dust removal pipelines according to claim 2, characterized in that: the compressed air pipeline device (IV) further comprises a pressure gauge (9), and the air pipeline (12) is close to the The pressure gauge (9) is provided on one side of the gas storage tank (8). 4. The online automatic ash cleaning system for dedusting pipelines according to claim 3, characterized in that: the compressed air pipeline device (IV) further comprises an air filter (10), and an air filter (10) is installed on the air pipeline (12). The air filter (10) is arranged on one side of the pressure gauge (9). 5. The online automatic ash cleaning system for dedusting pipelines according to claim 4, characterized in that: the compressed air pipeline device (IV) further comprises a pressure reducing valve (11), and the air pipeline (12) and The pressure reducing valve (11) is arranged on one side of the air filter (10). 6. The online automatic dust removal system for dust removal pipelines according to claim 1, characterized in that: the automatic control device (III) comprises an electric control cabinet (5) and a control circuit (6), the electric control cabinet (5) The control circuit (6) is electrically connected to the power-on, and the control circuit (6) is electrically connected to each of the electric ball valves (4). 7. The on-line automatic ash cleaning system for dedusting pipelines according to claim 6, characterized in that: the automatic control device (III) further comprises a threading pipe (7), and the threading pipe (7) is wrapped in the On the outside of the control circuit (6), the control circuit (6) is electrically connected to each of the electric ball valves (4) through the threading pipe (7). 8 . The online automatic dust cleaning system for dust removal pipes according to claim 1 , wherein a plurality of the spray gun connecting pipes ( 2 ) are evenly and equally spaced on the outer wall of the dust removal pipes ( 1 ). 9 .

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