CN217534661U - Device for preventing positive pressure concentrated phase pneumatic conveying bin pump from being blocked - Google Patents

Abstract

The utility model discloses a prevent that malleation dense phase pneumatic conveying storehouse pump from blockking up device, include: the ash conveying mechanism comprises an ash conveying bin pump, an air inlet pipe arranged on the right side of the ash conveying bin pump and a discharge pipe arranged on the left side of the ash conveying bin pump; the right side of the air inlet pipe is provided with a pneumatic conveying mechanism and an air volume adjusting mechanism; and the air flow disturbance mechanism comprises a bottom plate, a rotating rod arranged inside the upper end of the bottom plate, a spiral blade arranged on the circumferential surface of the upper end of the rotating rod, and an air blowing pipe arranged in front of the lower end of the ash conveying bin pump.

Description

Device for preventing positive pressure concentrated phase pneumatic conveying bin pump from being blocked

Technical Field

The utility model belongs to the technical field of pneumatic conveying storehouse pump technique and specifically relates to a prevent thick looks pneumatic conveying storehouse pump of malleation and block up device.

Background

The ash removal system of a 300MW unit of a certain plant adopts a concentrated phase pneumatic ash conveying system of a Fuller company, the system has the function of collecting dust deposited in an ash hopper of an economizer generated after coal is fired by a boiler of a power plant, each furnace is provided with a set of positive pressure concentrated phase pneumatic conveying system, two units share a set of ash conveying fan room, the ash conveying capacity of each furnace is 108th, and the requirement of 120% of output allowance of output when checking coal types for combustion under the working condition of B-MCR is met. The inlet of the ash conveying system of each furnace is connected through a manual zipper door of an ash hopper of the coal economizer, 4 bin pumps are connected in series at the bottom of the ash conveying system of the coal economizer, the fly ash conveying system adopts a continuous operation mode, the fly ash conveying system can be set to an automatic operation mode or a manual adjustment operation mode according to output through a programmable controller, the system adopts positive-pressure dense-phase pneumatic ash conveying, materials are conveyed in a columnar mode through compressed air, the conveying distance is long, the efficiency is high, and the system has obvious technical advantages compared with the traditional dilute-phase system. Its advantage is mainly by the conveying speed is lower, and pipeline wearing and tearing are less: the concentration of the conveyed materials is high, and the treatment capacity is large; the totally closed characteristic of the conveying system meets the increasingly improved environmental protection requirement.

The ash conveying system has the advantages that due to the fact that ash conveying is not smooth due to the fact that ash content of coal is changed, ash conveying branch lines of an economizer are blocked frequently, short sections of pipelines of the ash conveying branch lines are opened, ash particles are thick, ash quantity is large, original ash conveying gas distribution quantity cannot meet normal ash conveying operation, after multiple times of inspection, the fact that ash particles deposited at the bottoms of all bin pumps of the economizer pneumatic conveying system are thick is found, ash deposits with poor liquidity are blocked at the bottoms of the bin pumps, site workers do not pay enough attention to the phenomenon in the initial stage of inspection, the ash conveying system is just a symptom, the fact that dust at the bottoms of cone bodies of the bin pumps is seriously blocked is found in actual disassembly, ash conveying work cannot be met only through a blowing pipe between all bin pumps, and therefore a device for preventing blockage of a positive-pressure dense-phase pneumatic conveying bin pump is provided.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments, and some simplifications or omissions may be made in this section as well as in the abstract and the title of the application to avoid obscuring the purpose of this section, the abstract and the title, and such simplifications or omissions cannot be used to limit the scope of the invention.

The present invention has been made in view of the above and/or other problems occurring in the prior art.

Therefore, the utility model aims to solve the technical problem that: the dust at the bottom of the cone of the bin pump is seriously blocked, and the dust conveying work can not be met only by the associated blowing pipes among the bin pumps.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a prevent that malleation dense phase pneumatic conveying storehouse pump from blockking up device, includes: the ash conveying mechanism comprises an ash conveying bin pump, an air inlet pipe arranged on the right side of the ash conveying bin pump and a discharge pipe arranged on the left side of the ash conveying bin pump; the right side of the air inlet pipe is provided with a pneumatic conveying mechanism and an air quantity adjusting mechanism; and the airflow disturbance mechanism comprises a bottom plate, a rotating rod arranged inside the upper end of the bottom plate, a spiral blade arranged on the circumferential surface of the upper end of the rotating rod and an air blowing pipe arranged in front of the lower end of the ash conveying bin pump.

As a prevent that malleation dense phase air conveying storehouse pump from blockking up an optimal selection scheme of device, wherein: the pneumatic conveying mechanism comprises an air pump, a vent pipe is connected to the left side of the air pump, an air inlet valve is arranged inside the vent pipe, and the left end of the vent pipe is connected with the right end of the air inlet pipe through a flange.

As a prevent that malleation dense phase air conveying storehouse pump from blockking up an optimal selection scheme of device, wherein: air regulation mechanism includes the arc mounting panel, the arc mounting panel passes through the bolt setting inside the upper end of breather pipe, the lower extreme of arc mounting panel is provided with the orifice plate, and the orifice plate setting is in the inside of breather pipe.

As a preferred scheme of a prevent that malleation dense phase pneumatic conveying storehouse pump from blockking up device, wherein: the circumference surface in the ash conveying storehouse pump outside is provided with the fixed block, and the fixed block is provided with four, four the inside of fixed block all is provided with fixed peg, four the upper end of fixed peg all is provided with the link, the upper end of ash conveying storehouse pump is provided with the inlet pipe.

As a preferred scheme of a prevent that malleation dense phase pneumatic conveying storehouse pump from blockking up device, wherein: the lower extreme of air pump is provided with the mount pad.

As a prevent that malleation dense phase air conveying storehouse pump from blockking up an optimal selection scheme of device, wherein: the throttle orifice plate is arranged on the left side of the air inlet valve, and a pull ring is arranged on the outer surface of the upper end of the arc-shaped mounting plate.

As a preferred scheme of a prevent that malleation dense phase pneumatic conveying storehouse pump from blockking up device, wherein: the bottom plate is arranged at the lower end of the ash conveying bin pump through a bolt, the spiral blade is arranged inside the lower end of the ash conveying bin pump, and the spiral blade is arranged between the air inlet pipe and the discharge pipe.

As a preferred scheme of a prevent that malleation dense phase pneumatic conveying storehouse pump from blockking up device, wherein: the right end of the air blowing pipe is communicated with the inside of the vent pipe, and a control valve is arranged inside the left side of the air blowing pipe.

As a prevent that malleation dense phase air conveying storehouse pump from blockking up an optimal selection scheme of device, wherein: and a sealing gasket is arranged at the joint of the arc-shaped mounting plate and the vent pipe.

As a preferred scheme of a prevent that malleation dense phase pneumatic conveying storehouse pump from blockking up device, wherein: the bottom plate is internally provided with a bearing, and the rotating rod is rotatably arranged in the bottom plate through the bearing.

The utility model has the advantages that: through the air current disturbance mechanism who sets up, when defeated grey storehouse pump bottom dust blocks up, open air current disturbance mechanism, can adjust the air-cement mixture ratio, make defeated grey storehouse pump bottom coarse grain subside ash float, thereby the discharging pipe to defeated grey storehouse pump is constantly blown to the source of the gas that produces at pneumatic conveyor mechanism during operation, the jam problem of defeated grey storehouse pump of solution then, and the setting of arc mounting panel mountable dismantlement among the air regulation mechanism, make the staff can change the orifice plate, then can require to install the orifice plate in different apertures to the transport of different grey matters, thereby the practicality of this device has been improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor. Wherein:

fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a front sectional view provided by the present invention;

fig. 3 is a right sectional view provided by the present invention;

fig. 4 is a cross-sectional view of the utility model.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of illustration, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

Furthermore, the appearances of the phrase "one embodiment" or "an embodiment" in this specification are not necessarily referring to the same embodiment, but may also be referring to other embodiments. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1 to 4, the embodiment provides a device for preventing positive pressure dense phase pneumatic conveying bin pump from being blocked, which comprises an ash conveying mechanism 100, including an ash conveying bin pump 101, an air inlet pipe 102 disposed at the right side of the ash conveying bin pump 101, and a discharge pipe 103 disposed at the left side of the ash conveying bin pump 101, the pneumatic conveying mechanism 200 and an air volume adjusting mechanism 300 are disposed at the right side of the air inlet pipe 102, a fixed block 104 is disposed on the circumferential surface of the outer side of the ash conveying bin pump 101, four fixed blocks 104 are disposed, fixed hanging rods 105 are disposed inside the four fixed blocks 104, hanging rings are disposed at the upper ends of the four fixed hanging rods 105, an inlet pipe 106 is disposed at the upper end of the ash conveying bin pump 101, and the fixed blocks 104 and the fixed hanging rods 105 are disposed, so as to fix the position of the ash conveying bin pump 101, thereby improving the stability of the ash conveying bin pump 101, the ash conveying bin pump 101 is convenient to use subsequently, the feeding pipe 106 is arranged, settled ash can be conveyed into the ash conveying bin pump 101 through the feeding pipe 106, the air inlet pipe 102 and the discharging pipe 103 are arranged, the pneumatic conveying mechanism 200 on the right side is convenient to blow air into the ash conveying bin pump 101 through the air inlet pipe 102, then the coal ash blown by wind power is conveyed out of the discharging pipe 103 through the discharging pipe 103, the air flow disturbance mechanism 400 comprises a bottom plate 401, a rotating rod 402 arranged inside the upper end of the bottom plate 401, a spiral blade 403 arranged on the circumferential surface of the upper end of the rotating rod 402 and an air blowing pipe 404 arranged in front of the lower end of the ash conveying bin pump 101, the bottom plate 401 is arranged at the lower end of the ash conveying bin pump 101 through bolts, the spiral blade 403 is arranged inside the lower end of the ash conveying bin pump 101, the spiral blade 403 is arranged between the air inlet pipe 102 and the discharging pipe 103, the right end of the air blowing pipe 404 is communicated with the pneumatic conveying mechanism 200, the left side of the air blowing pipe 404 is internally provided with a control valve 405, when the bottom of the ash conveying bin pump 101 is blocked at the bottom of the bin pump due to sedimentation of ash particles and poor fluidity accumulated ash, the control valve 405 is opened, part of the gas output by the pneumatic conveying mechanism 200 is discharged through the air blowing pipe 404, so that the gas blown out from the left end of the air blowing pipe 404 directly acts on the spiral blade 403, the spiral blade 403 rotates, the coarse particles settled ash at the bottom of the ash conveying bin pump 101 floats due to the rotation of the spiral blade 403, when the pneumatic conveying mechanism 200 works, the settled ash at the bottom of the ash conveying bin pump 101 is continuously suspended by the blowing gas source sent in by the settled ash at the bottom of the ash conveying bin pump 101, the gas source generated when the pneumatic conveying mechanism 200 works is continuously blown to the discharge pipe 103 of the ash conveying bin pump 101, and the blockage problem of the ash conveying bin pump 101 is solved, a bearing is arranged inside the bottom plate 401, the rotating rod 402 is rotatably arranged inside the bottom plate 401 through the bearing, the bearing can play a limiting role on the rotating rod 402, and the rotating rod 402 can avoid the blockage of the rotating rod 402 due to influence on the use of the device smoothly due to the characteristics of the bearing.

Example 2

Referring to fig. 1, fig. 2 and fig. 4, this embodiment provides a device for preventing positive pressure dense-phase pneumatic conveying bin pump from being blocked, including pneumatic conveying mechanism 200, including air pump 201, the lower extreme of air pump 201 is provided with the mount pad, the setting of mount pad, it is subaerial to be convenient for air pump 201 to install, the stability of air pump 201 has been improved, the left side of air pump 201 is connected with breather pipe 202, the inside of breather pipe 202 is provided with air inlet valve 203, the left end of breather pipe 202 is connected with the right-hand member of intake pipe 102 through the flange, when needing to the inside input gas of ash conveying bin pump 101, open air inlet valve 203 earlier, open air pump 201 after that, make air pump 201 with gas pass through breather pipe 202 and intake pipe 102 constantly with gas transport to ash conveying bin pump 101 inside, make ash conveying bin pump 101 inside can carry out ash conveying work.

Example 3

Referring to fig. 2 and 4, the embodiment provides a device for preventing positive pressure dense phase pneumatic conveying storehouse pump from blocking, including air regulation mechanism 300, including arc mounting panel 301, the lower extreme of arc mounting panel 301 is provided with orifice plate 302, and orifice plate 302 sets up the inside at breather pipe 202, orifice plate 302 sets up the left side at air intake valve 203, the upper end surface of arc mounting panel 301 is provided with pull ring 303, arc mounting panel 301 passes through the bolt setting inside the upper end of breather pipe 202, the junction of arc mounting panel 301 and breather pipe 202 is provided with sealed the pad, arc mounting panel 301 passes through the mounting means of bolt, be convenient for the staff to install or dismantle arc mounting panel 301 and orifice plate 302, then be convenient for change the orifice plate 302 of different apertures, sealed setting, the sealed effect of arc mounting panel 301 and breather pipe 202 junction has been improved, avoid gas to reveal from arc mounting panel 301 and breather pipe 202's junction, the practicality of arc mounting panel 301 has been improved.

It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.

It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims (10)

1. The utility model provides a prevent that malleation dense phase pneumatic conveying storehouse pump from blockking up device which characterized in that: comprises the steps of (a) preparing a substrate,

the ash conveying mechanism (100) comprises an ash conveying bin pump (101), an air inlet pipe (102) arranged on the right side of the ash conveying bin pump (101) and a discharge pipe (103) arranged on the left side of the ash conveying bin pump (101); the right side of the air inlet pipe (102) is provided with a pneumatic conveying mechanism (200) and an air quantity adjusting mechanism (300); and the number of the first and second groups,

the air flow disturbing mechanism (400) comprises a bottom plate (401), a rotating rod (402) arranged inside the upper end of the bottom plate (401), a spiral blade (403) arranged on the circumferential surface of the upper end of the rotating rod (402) and an air blowing pipe (404) arranged in front of the lower end of the ash conveying bin pump (101).

2. The device for preventing the positive pressure dense-phase pneumatic conveying bin pump from being blocked according to claim 1, which is characterized in that: the pneumatic conveying mechanism (200) comprises an air pump (201), a vent pipe (202) is connected to the left side of the air pump (201), an air inlet valve (203) is arranged inside the vent pipe (202), and the left end of the vent pipe (202) is connected with the right end of the air inlet pipe (102) through a flange.

3. The device for preventing the positive pressure concentrated phase pneumatic conveying bin pump from being blocked according to claim 2, is characterized in that: air volume adjusting mechanism (300) include arc mounting panel (301), arc mounting panel (301) pass through the bolt setting inside the upper end of breather pipe (202), the lower extreme of arc mounting panel (301) is provided with orifice plate (302), and orifice plate (302) set up the inside at breather pipe (202).

4. The device for preventing the positive pressure dense-phase pneumatic conveying bin pump from being blocked according to claim 1, which is characterized in that: the circumference surface in ash conveying storehouse pump (101) outside is provided with fixed block (104), and fixed block (104) are provided with four, four the inside of fixed block (104) all is provided with fixed peg (105), four the upper end of fixed peg (105) all is provided with the link, the upper end of ash conveying storehouse pump (101) is provided with inlet pipe (106).

5. The device for preventing the positive pressure dense-phase pneumatic conveying bin pump from being blocked according to claim 2, which is characterized in that: the lower end of the air pump (201) is provided with a mounting seat.

6. The device for preventing the positive pressure dense-phase pneumatic conveying bin pump from being blocked according to claim 3, wherein: the throttle orifice plate (302) is arranged on the left side of the air inlet valve (203), and a pull ring (303) is arranged on the outer surface of the upper end of the arc-shaped mounting plate (301).

7. The device for preventing the positive pressure dense-phase pneumatic conveying bin pump from being blocked according to claim 1, which is characterized in that: the bottom plate (401) is arranged at the lower end of the ash conveying bin pump (101) through bolts, the spiral blade (403) is arranged inside the lower end of the ash conveying bin pump (101), and the spiral blade (403) is arranged between the air inlet pipe (102) and the discharge pipe (103).

8. The device for preventing the positive pressure dense-phase pneumatic conveying bin pump from being blocked according to claim 1, which is characterized in that: the right end of the air blowing pipe (404) is communicated with the inside of the vent pipe (202), and a control valve (405) is arranged inside the left side of the air blowing pipe (404).

9. The device for preventing the positive pressure concentrated phase pneumatic conveying bin pump from being blocked according to claim 3, wherein: and a sealing gasket is arranged at the joint of the arc-shaped mounting plate (301) and the vent pipe (202).

10. The device for preventing the positive pressure concentrated phase pneumatic conveying bin pump from being blocked according to claim 1, is characterized in that: the rotary rod type lifting device is characterized in that a bearing is arranged in the bottom plate (401), and the rotary rod (402) is rotatably installed in the bottom plate (401) through the bearing.

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