CN216638167U - Negative pressure ash conveying pipeline combination device - Google Patents

Abstract

The utility model discloses a negative-pressure ash conveying pipeline combination device, which comprises a dust remover and a chain type ash scraper, wherein the lower part of the dust remover is provided with a plurality of communicated ash bins, the negative-pressure ash conveying pipeline combination device also comprises negative-pressure equipment, a conveying pipe network, a plurality of branch ash collecting pipe fittings and a plurality of gate valves, the gate valves are arranged at the lower parts of the ash bins, the conveying pipe network comprises an ash conveying pipeline, the ash outlet end of the ash conveying pipeline is connected with the negative-pressure equipment through a hose, the branch ash collecting pipe fittings comprise negative-pressure ash conveying branch pipes, the negative-pressure ash conveying branch pipes are communicated and arranged between the ash bins and the ash conveying pipeline, and the connecting parts of the negative-pressure ash conveying branch pipes and the ash bins are positioned above the gate valves. The utility model adopts the negative pressure ash conveying pipeline combination device on the basis of the original ash removing equipment, and the hose is quickly butted with the negative pressure equipment during ash discharge, so that the operation of the ash discharge system becomes simple, efficient and direct, the path of moist air entering the ash bin is blocked, the ash accumulated in the bin becomes dry, loose and easy to flow, and the dust discharge efficiency is improved.

Description

A negative pressure ash conveying pipeline combination device

technical field

The utility model relates to the technical field of purification equipment, in particular to a negative pressure ash conveying pipeline combination device.

Background technique

At present, the bag dust removal and purification equipment plays an important role in filtering the dust generated in the metal smelting process. The common transportation methods for dust removal in the ash bin at the bottom of the dust collector are the combination of chain scraping conveyor, humidifier and dump truck; Combined form of chain scraper, centralized ash bin and negative pressure truck; combined form of pneumatic ash removal, centralized ash bin and negative pressure truck; during ash transport, dust removal is easy to remove at each inspection hole position and during the transportation process of dump truck Cause secondary pollution to the environment; in addition, when the dust is not evenly stirred by the humidifier, it will also cause secondary pollution to the environment; in the humid season, the humid air is sucked into the ash bin from the gap of the scraper chassis, and mixed with the dust in the bin. The ash accumulation in the warehouse becomes wet, and the phenomenon of hardening and shed ash often occurs, resulting in poor ash delivery and ash blocking in the ash discharge system.

In addition, during the operation of the ash conveying equipment, it is necessary to carry out regular maintenance and maintenance on the ash conveying equipment, which occupies a certain production cost.

Utility model content

The purpose of the utility model is to provide a negative pressure ash conveying pipeline combination device which is convenient for cleaning, blocks the path of humid air entering the ash bin, makes the ash in the bin dry, loose and easy to flow, and improves the dust discharge efficiency .

In order to achieve the above purpose, the technical scheme adopted by the present utility model is as follows: a negative pressure ash conveying pipeline combination device, including a dust collector and a chain ash scraper, the lower part of the dust collector is provided with a plurality of connected ash bins, and also includes a negative pressure Equipment, conveying pipe network, multiple branch dust collection pipe fittings and multiple plug-in valves, the plug-in valve is installed in the lower part of the ash silo, the conveying pipe network includes an ash conveying pipeline, and the ash output end of the ash conveying pipeline is connected with the negative electrode through a hose. The branch dust collection pipe includes a negative pressure ash conveying branch pipe, the negative pressure ash conveying branch pipe is connected and installed between the ash silo and the ash conveying pipeline, and the connection between the negative pressure ash conveying branch pipe and the ash silo is located above the plug-in valve. .

Preferably, the conveying pipe network further includes a main pipe butterfly valve and a blowing-assisting valve. Installed at the ash outlet of the conveying pipeline.

Preferably, the branch dust collection pipe further comprises a branch pipe butterfly valve, and the branch pipe butterfly valve is installed on the negative pressure ash conveying branch pipe.

Preferably, the negative pressure ash conveying branch pipe is installed obliquely on the ash conveying pipeline, the two ends of the negative pressure ash conveying branch pipe are respectively connected to the ash conveying pipeline and the ash bin, and the angle a between the negative pressure ash conveying branch pipe and the ash conveying pipeline is 60°.

Preferably, the chain scraper is communicated and connected with the plug valve through a planetary ash discharge valve.

Preferably, the negative pressure ash conveying branch pipe is provided with a first inspection window, and the ash conveying pipeline is provided with a second inspection window.

Preferably, the negative pressure device is a negative pressure vehicle or a negative pressure machine.

Compared with the prior art, the advantages of the present utility model are:

The utility model uses the negative pressure ash conveying pipeline combination device on the basis of the original ash removal equipment, and the hose is quickly connected with the negative pressure equipment when the ash is released, so that the operation of the ash release system becomes simple, efficient and direct;

The entire negative pressure ash conveying pipeline combination device is a closed negative pressure conveying, which avoids the secondary pollution of the original ash release system; the deactivation of mechanical equipment and electrical instrument equipment reduces certain production and maintenance costs; By changing the storage method of ash accumulation, the centralized ash silo storage method has been changed to scattered storage in each ash silo, which eliminates the obstruction of ash release caused by the failure of ash conveying equipment; after the ash conveying method is changed, the bottom of the ash silo is closed. The manual plug-in valve blocks the path of humid air entering the ash bin, making the ash in the bin dry, loose and easy to flow, improving the dust discharge efficiency.

Description of drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are just some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

Fig. 1 is a structural diagram of a negative pressure ash conveying pipeline combination device of the present invention.

In the figure: dust collector 1, ash bin 2, chain scraper 3, ash falling pipe 4, conveying pipe network 5, ash conveying pipe 51, hose 52, main pipe butterfly valve 53, second inspection window 54, blowing valve 55. Branch dust collection pipe 6 , negative pressure ash conveying branch pipe 61 , branch pipe butterfly valve 62 , first inspection window 63 , plug-in valve 7 , negative pressure equipment 8 , planetary ash discharge valve 9 .

Detailed ways

The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the protection scope of the present invention can be more clearly defined.

Referring to Figure 1, the present utility model provides a negative pressure ash conveying pipeline combination device, including a dust collector 1 and a chain ash scraper 3, the lower part of the dust collector 1 is provided with a plurality of connected ash bins 2, and also includes a negative pressure Equipment 8, a conveying pipe network 5, a plurality of branch dust collection pipes 6 and a plurality of plug-in valves 7, the plug-in valve 7 is installed in the lower part of the ash bin 2, the conveying pipe network 5 includes an ash conveying pipe 51, and the outlet of the ash conveying pipe 51 is The ash end is connected to the negative pressure equipment 8 through a hose 52, and the branch dust collection pipe 6 includes a negative pressure ash conveying branch pipe 61. The negative pressure ash conveying branch pipe 61 is connected and installed between the ash bin 2 and the ash conveying pipeline 51, and the negative pressure ash conveying branch pipe 51. The connection between the branch pipe 61 and the ash bin 2 is located above the flap valve 7 .

By opening the negative pressure device 8, the ash conveying pipeline 51 and the negative pressure ash conveying branch pipe 61 are in a negative pressure state at this time, and the main pipe butterfly valve 53 and the branch pipe butterfly valve 62 are opened, and the dust in the dust 2 passes through the negative pressure ash conveying branch pipe 61 and the ash conveying branch in turn. Pipe 51, so as to complete the dust removal work.

In this embodiment, the conveying pipe network 5 also includes a main pipe butterfly valve 53 and a blow-assist valve 55. The blow-assist valve 55 and the main pipe butterfly valve 53 are both installed on the ash conveying pipe 51, and the blow-assist valve 55 is installed in the ash conveying pipe 51 away from the ash discharge. At the end position, the blow-assist valve 53 can prevent the dust from flowing back, and the main pipe butterfly valve 53 is installed at the ash-out end position of the conveying pipeline 51, which is convenient to control the amount of ash suction.

In this embodiment, the branch dust collection pipe 6 also includes a branch pipe butterfly valve 62, which is installed on the negative pressure ash conveying branch pipe 61 to control the opening and closing of the negative pressure ash conveying branch pipe 61, which is convenient for staff to operate.

In this embodiment, the negative pressure ash conveying branch pipe 61 is installed obliquely on the ash conveying pipeline 51, the two ends of the negative pressure ash conveying branch pipe 61 are respectively connected to the ash conveying pipeline 51 and the ash bin 2, and the negative pressure ash conveying branch pipe 61 is connected to the ash conveying pipeline 51. The included angle a between them is 60°. During installation, the installation direction of the negative pressure ash conveying branch pipe 51 is consistent with the dust flow direction.

In this embodiment, the chain scraper 3 is connected to the plug valve 7 through the planetary ash discharge valve 9. This part is in the prior art and retains the basis for the normal function of the original ash removal equipment, and cannot be used in the conveying pipe network 5. Or dust removal when it is inconvenient to use.

In this embodiment, the negative pressure ash conveying branch pipe 61 is provided with a first inspection window 63, and the ash conveying pipe 51 is provided with a second inspection window 54, wherein an expanded metal mesh can be installed in the window to filter the internal debris of dust removal , to prevent clogging.

In this embodiment, the negative pressure equipment 8 is a negative pressure vehicle or a negative pressure machine, which can easily absorb dust, and also facilitate the transfer and storage of dust.

Although the embodiments of the present invention are described in conjunction with the accompanying drawings, the patent owner can make various changes or modifications within the scope of the appended claims, as long as the protection scope described in the claims of the present invention is not exceeded, All should fall within the protection scope of the present invention.

Claims (7)

1. The utility model provides a defeated grey pipeline composite set of negative pressure, scrapes grey machine including dust remover and chain, and the dust remover lower part is equipped with the ash bin of a plurality of intercommunications, its characterized in that: still include negative pressure equipment, delivery pipe network, a plurality of branch dust and collect pipe fitting and a plurality of push-pull valve, the push-pull valve is installed in ash storehouse lower part, the delivery pipe network includes defeated grey pipeline, and defeated grey pipeline's ash-out end passes through the hose and is connected with negative pressure equipment, branch dust is collected the pipe fitting and is included defeated grey bleeder pipe of negative pressure, and defeated grey bleeder pipe intercommunication of negative pressure is installed between ash storehouse and defeated grey pipeline, and defeated grey bleeder pipe of negative pressure and ash storehouse junction are located push-pull valve top position.

2. The negative pressure ash conveying pipeline combination device according to claim 1, characterized in that: the conveying pipe network further comprises a main pipe butterfly valve and a blowing assisting valve, the blowing assisting valve and the main pipe butterfly valve are both installed on the ash conveying pipeline, the blowing assisting valve is installed on the position, far away from the ash outlet end, of the ash conveying pipeline, and the main pipe butterfly valve is installed at the ash outlet end of the conveying pipeline.

3. The negative pressure ash conveying pipeline combination device according to claim 1, characterized in that: the branch dust collecting pipe further comprises a branch pipe butterfly valve, and the branch pipe butterfly valve is installed on the negative-pressure dust conveying branch pipe.

4. The negative pressure ash conveying pipeline combination device as claimed in claim 1, wherein: the negative pressure ash conveying branch pipe is obliquely arranged on the ash conveying pipeline, two ends of the negative pressure ash conveying branch pipe are respectively communicated with the ash conveying pipeline and the ash bin, and the included angle a between the negative pressure ash conveying branch pipe and the ash conveying pipeline is 60 degrees.

5. The negative pressure ash conveying pipeline combination device according to claim 1, characterized in that: the chain type ash scraping machine is communicated with the gate valve through a planet ash discharging valve.

6. The negative pressure ash conveying pipeline combination device as claimed in claim 1, wherein: the negative pressure ash conveying branch pipe is provided with a first inspection window, and the ash conveying pipeline is provided with a second inspection window.

7. The negative pressure ash conveying pipeline combination device according to claim 1, characterized in that: the negative pressure equipment is a negative pressure vehicle or a negative pressure machine.

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