Positive pressure type pneumatic ash conveying device

Abstract

The utility model provides a positive pressure type pneumatic ash conveying device, which belongs to the technical field of ash conveying and comprises an ash hopper, a bin pump, an ash conveying pipe and a dust collection treatment device, the lower end of the ash hopper is communicated with the bin pump, one end of the ash conveying pipe is communicated with the bin pump and used for conveying ash in the bin pump to other places, and the dust collection treatment device is mounted on one side of the bin pump and communicated with the bin pump. The conveying device is used for conveying accumulated dust outside the bin pump into the bin pump. According to the positive pressure type ash conveying system, the dust collection treatment device is additionally arranged, accumulated ash accumulated on an equipment site is completely sucked into the bin pump of the positive pressure type ash conveying system through the additionally arranged dust collection treatment device, and then the ash of the bin pump is conveyed to an ash silo through the positive pressure type ash conveying system. Therefore, the field cleaning efficiency is greatly improved, the field accumulated dust is quickly cleaned, the cleanness of the equipment field is effectively ensured, and the economic benefit of the accumulated dust is also improved at the same time.

Description

TECHNICAL FIELD

[0001] The utility model relates to ash conveying technology field especially relates to a positive pressure type pneumatic ash conveying device. BACKGROUND

[0002] The positive pressure type ash conveying system configured by the thermal power plant utilizes compressed air to convey the ash in the ash hopper to the ash silo through the cooperation of the bin pump and the valve, and then sells to the customer. However, the most common defect of the ash conveying system in operation is the ash leakage defect, and there are a lot of accumulated ash left after equipment maintenance in the equipment area of the ash conveying system. The accumulated ash cannot be treated, and can only be cleaned by manual operation using brooms, shovels and other tools. The cleaning efficiency is slow, and the cleaned accumulated ash cannot be disposed of, which pollutes the environment. SUMMARY

[0003] The utility model provides a kind of positive pressure type pneumatic ash conveying device, to solve the defect of ash conveying device in prior art, improve the efficiency of site accumulated ash cleaning.

[0004] The utility model provides a kind of positive pressure type pneumatic ash conveying device, it include: ash hopper, bin pump, ash conveying pipe and dust collection processing device, the lower end of the ash hopper is communicated with the bin pump, one end of the ash conveying pipe is communicated with the bin pump, for conveying the ash in the bin pump to other places, the dust collection processing device is installed in one side of the bin pump, and is communicated with the bin pump, for conveying the accumulated ash outside the bin pump to the bin pump.

[0005] According to the positive pressure type pneumatic ash conveying device provided by the utility model, the dust collection processing device includes: dust collection fan and dust collection hose, the dust collection hose is communicated with the bin pump, and the dust collection fan is installed on the dust collection hose and communicated with the dust collection hose.

[0006] According to the positive pressure type pneumatic ash conveying device provided by the utility model, the dust collection processing device further includes a valve, and the valve is installed at the connection between the dust collection hose and the bin pump.

[0007] According to the positive pressure type pneumatic ash conveying device provided by the utility model, the lower end of the ash hopper is provided with an ash gate.

[0008] According to the positive pressure type pneumatic ash conveying device provided by the utility model, the positive pressure type pneumatic ash conveying device further includes a gas balancing device, and the gas balancing device is installed on one side of the ash hopper and used to maintain the pressure balance between the ash hopper and the bin pump.

[0009] According to the positive pressure type pneumatic ash conveying device provided by the utility model, the gas balancing device includes a balancing pipe and a balancing valve, the balancing pipe is communicated with the ash hopper and the bin pump, and the balancing valve is arranged on the balancing pipe and communicated with the balancing pipe.

[0010] According to the positive pressure type pneumatic ash conveying device, one end of the balance pipe is communicated with the top of the ash bucket.

[0011] According to the positive pressure type pneumatic ash conveying device, the other end of the balance pipe is communicated with the top of the bin pump.

[0012] According to the positive pressure type pneumatic ash conveying device, the dust suction hose can be replaced with different lengths for adapting to different use scenes.

[0013] According to the positive pressure type pneumatic ash conveying device, one end of the dust suction hose is provided with a dust suction port, and the dust suction port is provided with different diameters for replacement.

[0014] The positive pressure type pneumatic ash conveying device has the advantages that a dust suction treatment device is additionally arranged, dust accumulated in the equipment field is all sucked into the positive pressure type ash conveying system bin pump by the dust suction treatment device, then the ash in the bin pump is conveyed to the ash storage by the positive pressure type ash conveying system. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0016] Figure 1 is a structural schematic view of the positive pressure type pneumatic ash conveying device provided by the present application.

[0017] Reference signs:

[0018] 100, ash bucket;

[0019] 110, ash gate;

[0020] 200, bin pump;

[0021] 300, ash conveying pipe;

[0022] 400, dust suction treatment device;

[0023] 410, dust suction fan; 420, dust suction hose; 430, valve;

[0024] 500, gas balance device;

[0025] 510 balance pipe; 520 balance valve. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the utility model clearer, the technical scheme in the utility model will be described clearly and completely below in combination with the drawings in the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the protection scope of the utility model.

[0027] In the description of the utility model, it is understood that the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.

[0028] In the description of the utility model, it is understood that the orientation words such as "front, rear, upper, lower, left, right", "horizontal, vertical, perpendicular, horizontal" and "top, bottom" and the like indicated orientation or position relationship is usually based on Figure 1 The orientation and position of the normal positive pressure type pneumatic ash conveying device are shown, which is only for the convenience of describing the utility model and simplifying the description. In the absence of the opposite description, these orientation words do not indicate and imply that the indicated device or element must have a specific orientation or be constructed and operated in a specific orientation, so it cannot be understood as a limitation on the protection scope of the utility model. The orientation words "inner, outer" refer to the inner and outer of the contour of each component itself.

[0029] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.

[0030] The utility model provides a kind of positive pressure type pneumatic ash conveying device, referring to Figure 1 , including: hopper 100, bin pump 200, ash conveying pipe 300 and dust suction treatment device 400, the lower end of hopper 100 is communicated with bin pump 200, one end of ash conveying pipe 300 is communicated with bin pump 200, for conveying the ash in bin pump 200 to other places, dust suction treatment device 400 is installed in one side of bin pump 200, and is communicated with bin pump 200, for conveying the ash deposit outside bin pump 200 to bin pump 200.

[0031] By adding a set of dust suction processing device 400, using the added dust suction processing device 400, all the accumulated dust in the device site is sucked into the positive pressure type ash conveying system bin pump 200, and then the ash in the bin pump 200 is conveyed to the ash storage by using the positive pressure type ash conveying system. In this way, not only the efficiency of on-site cleaning is greatly improved, but also the on-site dust is quickly cleaned, which effectively ensures the cleanliness of the device site, and at the same time, the economic benefit of the accumulated dust is improved.

[0032] In an embodiment, the dust suction processing device 400 comprises a dust suction fan 410 and a dust suction hose 420, the dust suction hose 420 is in communication with the bin pump 200, and the dust suction fan 410 is installed on the dust suction hose 420 and in communication with the dust suction hose 420.

[0033] The negative pressure generated by the dust suction fan 410 and the dust suction hose 420 are used to suck all the accumulated dust in the device site into the bin pump 200.

[0034] For example, the dust suction hose 420 can be replaced with different lengths to adapt to different use scenarios.

[0035] For example, one end of the dust suction hose 420 is provided with a dust suction port, and the dust suction port is provided with different diameters for replacement.

[0036] In an embodiment, the dust suction processing device 400 further comprises a valve 430, which is installed at the connection between the dust suction hose 420 and the bin pump 200.

[0037] In an embodiment, the ash chute 100 is provided with an ash discharge door 110 at the lower end.

[0038] In an embodiment, the positive pressure type pneumatic ash conveying device further comprises a gas balancing device 500, which is installed on one side of the ash chute 100 and is used to maintain the pressure balance between the ash chute 100 and the bin pump 200.

[0039] The gas balancing device 500 comprises a balancing pipe 510 and a balancing valve 520, the balancing pipe 510 is in communication with the ash chute 100 and the bin pump 200, and the balancing valve 520 is arranged on the balancing pipe 510 and in communication with the balancing pipe 510. One end of the balancing pipe 510 is in communication with the top of the ash chute 100, and the other end of the balancing pipe 510 is in communication with the top of the bin pump 200.

[0040] By opening the balance valve 520, the pressure of the ash hopper 100 is balanced with the pressure of the bin pump 200 through the balance pipe 510, and then the accumulated ash inside the ash hopper 100 is transported to the bin pump 200 by opening the ash gate 110. After the bin pump 200 is full of ash, the ash gate 110 and the balance valve 520 are closed, and the compressed air in the ash conveying pipe 300 is opened to transport all the ash inside the bin pump 200 to the ash storage through the pipe. When the bin pump 200 is temporarily not conveying ash, the valve 430 and the dust suction fan 410 are opened, and the dust suction hose 420 uses the negative pressure generated by the dust suction fan 410 to suck all the accumulated ash on the site into the bin pump 200, and then the valve 430 and the dust suction fan 410 are closed, and the compressed air in the ash conveying pipe 300 is opened to transport the accumulated ash in the bin pump 200 to the ash storage.

[0041] Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A positive pressure pneumatic ash conveying device, characterized by The invention relates to a positive pressure pneumatic ash conveying device, comprising: a dust hopper, a dust bin, an ash conveying pipe and a dust suction device, the lower end of the dust hopper is connected with the dust bin, one end of the ash conveying pipe is connected with the dust bin, and the dust suction device is installed on one side of the dust bin and connected with the dust bin.

2. The positive pressure pneumatic ash conveying device according to claim 1, characterized in that The dust suction device comprises a dust suction fan and a dust suction hose, the dust suction hose is connected with the dust bin, and the dust suction fan is installed on the dust suction hose and connected with the dust suction hose.

3. The positive pressure pneumatic ash conveying device according to claim 2, characterized in that The dust suction device further comprises a valve, which is installed at the connection between the dust suction hose and the dust bin.

4. The positive pressure pneumatic ash conveying device according to claim 3, characterized in that The lower end of the dust hopper is provided with an ash outlet.

5. The positive pressure pneumatic ash conveying device according to claim 4, characterized in that The positive pressure pneumatic ash conveying device further comprises a gas balance device, which is installed on one side of the dust hopper and used to maintain the pressure balance between the dust hopper and the dust bin.

6. The positive pressure pneumatic ash conveying device according to claim 5, characterized in that The gas balance device comprises a balance pipe and a balance valve, the balance pipe is connected with the dust hopper and the dust bin, and the balance valve is arranged on the balance pipe and connected with the balance pipe.

7. A positive pressure pneumatic ash conveying device according to claim 6, characterized in that One end of the balance pipe is connected with the top of the dust hopper.

8. The positive pressure pneumatic ash conveying device according to claim 7, characterized in that The other end of the balance pipe is connected with the top of the dust bin.

9. The positive pressure pneumatic ash conveying device according to claim 2, wherein The dust suction hose can be replaced with different lengths to adapt to different use scenarios.

10. The positive pressure pneumatic ash conveying device according to claim 2, wherein One end of the dust suction hose is provided with a dust suction port, and the dust suction port is provided with different diameters for replacement.

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