CN112830260A - Positive-blowing reverse-pumping type blockage removing system - Google Patents
Positive-blowing reverse-pumping type blockage removing system Download PDFInfo
- Publication number
- CN112830260A CN112830260A CN202011631477.1A CN202011631477A CN112830260A CN 112830260 A CN112830260 A CN 112830260A CN 202011631477 A CN202011631477 A CN 202011631477A CN 112830260 A CN112830260 A CN 112830260A
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- Prior art keywords
- pipeline
- bin pump
- blockage removing
- valve
- positive
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/52—Adaptations of pipes or tubes
- B65G53/521—Adaptations of pipes or tubes means for preventing the accumulation or for removal of deposits
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/04—Conveying materials in bulk pneumatically through pipes or tubes; Air slides
- B65G53/28—Systems utilising a combination of gas pressure and suction
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
Abstract
The invention belongs to the technical field of conveying systems, and particularly relates to a positive-blowing reverse-pumping type blockage removing system which comprises a dust remover ash bucket, a variable-frequency electric feeder, a bin pump, a balance pipeline, a blockage removing pipeline, bin pump double sleeves, a conveying pipeline, an air supply pipeline, a pneumatic blockage removing valve, a one-way valve and a valve group, wherein a discharge pipe is fixed at the bottom of the dust remover ash bucket, the variable-frequency electric feeder is installed at the bottom of the discharge pipe, the bin pump is connected to the bottom of the variable-frequency electric feeder, the balance pipeline is connected to the top of the bin pump, the bin pump double sleeves are connected to the bottom of the bin pump, the bin pump double sleeves are connected with the conveying pipeline, and the blockage removing pipeline is connected to the bin pump double sleeves; the invention carries out blockage removal by a positive-blowing reverse-pumping method, has high blockage removal efficiency and very good effect, can effectively reduce the cost, improves the working efficiency of the ash hopper of the dust remover, further can improve the production efficiency and the productivity, and is suitable for popularization and use.
Description
Technical Field
The invention relates to the technical field of conveying systems, in particular to a positive-blowing reverse-pumping type blockage removing system.
Background
The pressurization and blockage removal is that in the conveying process, when a pressure transmitter of a conveying pipeline detects that the conveying pressure is higher than a set value, high-pressure airflow is added for dredging, but in the actual situation, when the pipeline has a serious pipe blockage tendency, pressurization can cause a large amount of materials behind to rush to the tail end of the pipeline more quickly, the pipe blockage situation can be aggravated, only the pipe blockage tendency can effectively play a role at the beginning, and thus the judgment of the pipe blockage tendency becomes difficult; the on-way blockage removal is to avoid the blockage of the back way, a blowing and blocking pipeline is independently arranged outside the conveying pipeline, and blowing holes are additionally arranged on the conveying pipeline at intervals, so that the whole process of the pipeline is ensured to have blowing points, and the problem of pipe blockage can be effectively solved.
In order to solve the problems, the invention provides a positive-blowing reverse-pumping type blockage removing system.
Disclosure of Invention
Objects of the invention
In order to solve the technical problems in the background art, the invention provides a positive-blowing reverse-pumping type blockage removing system.
(II) technical scheme
In order to solve the problems, the invention provides a positive-blowing reverse-pumping type blockage removing system which comprises a dust remover ash bucket, a variable-frequency electric feeder, a bin pump, a balance pipeline, a blockage removing pipeline, bin pump double sleeves, a conveying pipeline, an air replenishing pipeline, a pneumatic blockage removing valve, a one-way valve and a valve group, wherein a discharge pipe is fixed at the bottom of the dust remover ash bucket, the variable-frequency electric feeder is installed at the bottom of the discharge pipe, the bin pump is connected to the bottom of the variable-frequency electric feeder, the balance pipeline is connected to the top of the bin pump, the bin pump double sleeves are connected to the bottom of the bin pump, the bin pump double sleeves are connected with the conveying pipeline, the blockage removing pipeline is connected to the bin pump double sleeves, the upper ends of the balance pipeline and the blockage removing pipeline extend to the upper side of the outer wall of the dust remover ash bucket, inclined pipes are connected to the outer walls of the upper ends of the balance pipeline and the blockage removing pipeline, and the lower ends of the inclined, the upper ends of the balance pipeline and the blocking removal pipeline are provided with blocking plates.
Preferably, still be connected with the tonifying qi pipeline on the pipeline, the double cannula passes through the connecting tube to be connected between tonifying qi pipeline and storehouse pump, install the check valve on the connecting tube, the direction of admitting air of check valve is tonifying qi pipeline flow direction double cannula between storehouse pump.
Preferably, an air inlet valve and an air supply valve are respectively arranged on the balance pipeline and the blocking removal pipeline, and a pneumatic blocking removal valve is arranged on the double sleeve between the bin pumps.
Preferably, a valve group is installed on the conveying pipeline and used for controlling the closing of the conveying pipeline.
Preferably, the valve set comprises a manual ball valve, a pressure reducing valve, a pneumatic ball valve and a second orifice plate.
Preferably, the dust collector ash bucket is mounted on the mounting frame.
Preferably, a pressure transmitter is arranged in the conveying pipeline and used for detecting the conveying pressure inside the conveying pipeline.
Preferably, the inclined tube and the horizontal plane form an included angle of 30 degrees, the inclined tube is obliquely arranged downwards, and the inclined tube is positioned above the dust remover high material level gauge.
The technical scheme of the invention has the following beneficial technical effects:
the invention carries out blockage removal by a positive-blowing reverse-pumping method, has high blockage removal efficiency and very good effect, can effectively reduce the cost, improves the working efficiency of the ash hopper of the dust remover, further can improve the production efficiency and the productivity, and is suitable for popularization and use.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a partially enlarged view of a portion a in fig. 1.
In the figure: 1. a dust hopper of a dust collector; 2. a bin pump; 3. a balance pipeline; 4. removing the blockage of the pipeline; 5. an adjustment member; 6. a variable-frequency electric feeder; 7. a blanking pipeline; 8. a valve group; 9. a delivery conduit; 10. a gas supply pipeline; 11. a one-way valve; 12. a pneumatic block removal valve; 13. double sleeves between the bin pumps; 14. a mounting frame; 15. a plugging plate; 16. an inclined tube; 17. a dust remover high material level meter.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in the figure 1-2, the positive-blowing reverse-pumping type blockage removing system provided by the invention comprises a dust remover ash bucket 1, a variable-frequency electric feeder 6, a bin pump 2, a balance pipeline 3, a blockage removing pipeline 4, a bin pump double sleeve 13, a conveying pipeline 9, an air supplementing pipeline 10, a pneumatic blockage removing valve 12, a one-way valve 11 and a valve group 8, wherein a discharge pipe is fixed at the bottom of the dust remover ash bucket 1, the variable-frequency electric feeder 6 is installed at the bottom of the discharge pipe, the bottom of the variable-frequency electric feeder 6 is connected with the bin pump 2 through a discharge pipeline 7, the top of the bin pump 2 is connected with the balance pipeline 3, the bottom of the bin pump 2 is connected with the bin pump double sleeve 13, the bin pump double sleeve 13 is connected with the conveying pipeline 9, the blockage removing pipeline 4 is connected onto the bin pump double sleeve 13, the upper ends of the balance pipeline 3 and the blockage removing pipeline 4 extend to the upper part of the outer wall of the dust remover ash, the upper end outer wall of balanced pipeline 3, row's stifled pipeline 4 all is connected with pipe chute 16, the lower extreme of pipe chute 16 extends to the inside of dust remover ash bucket 1, the upper end of balanced pipeline 3, row's stifled pipeline 4 all is provided with shutoff board 15.
In this embodiment, it should be noted that the conveying pipeline 9 is further connected with an air supply pipeline 10, the air supply pipeline 10 is connected with the double sleeves 13 between the bin pumps through a connecting pipeline, the connecting pipeline is provided with a one-way valve 11, and an air inlet direction of the one-way valve 11 is that the air supply pipeline 10 flows to the double sleeves 13 between the bin pumps.
In this embodiment, it should be noted that an air inlet valve and an air supply valve are respectively installed on the balance pipeline 3 and the blocking removal pipeline 4, and a pneumatic blocking removal valve 12 is installed on the double casing 13 between the cabin pumps.
In this embodiment, it should be noted that a valve group 8 is installed on the delivery pipe 9, and the valve group 8 is used for controlling the closing of the delivery pipe 9.
In this embodiment, it should be noted that the valve set 8 includes a manual ball valve, a pressure reducing valve, a pneumatic ball valve, and a second orifice plate.
In this embodiment, it should be noted that the dust catcher dust hopper 1 is mounted on the mounting frame 14.
In this embodiment, it should be noted that a pressure transmitter is disposed in the transmission pipeline 9, and the pressure transmitter is configured to detect transmission pressure inside the transmission pipeline.
In this embodiment, it should be noted that the inclined tube 16 forms an included angle of 30 ° with the horizontal plane, the inclined tube 16 is disposed obliquely downward, and the inclined tube 16 is located above the dust remover high level gauge 17.
In the embodiment scheme of the invention, the principle of the positive-blowing reverse-pumping method for removing the blockage is that when the pressure transmitter on the conveying pipeline 9 detects that the conveying pressure is higher than the set pressure (the pressure is set according to the field working condition) and keeps for a period of time without decreasing, the control system judges that the pipe is blocked, and the control system automatically switches to a blockage removing program. Firstly closing an air inlet valve and an air compensating valve, opening a pneumatic blockage removing valve 12, communicating a blockage removing pipeline with the upper part of a high material level of a dust remover, instantaneously transiting a conveying pipeline 9 from a positive pressure state to a negative pressure state (a negative pressure area in a dust remover high material level ash hopper), leading materials in the conveying pipeline 9 to have certain looseness in the opposite direction under the action of negative pressure, closing the pneumatic blockage removing valve 12 after delaying for a certain time, then opening the air compensating valve, carrying out high-pressure impact on the loosened materials, and if the pressure is still high, repeating the blockage removing step by a control system for a plurality of times until the pressure reducing pipeline is blown through; when the pipeline is blown through, the program is transferred to a normal conveying program; the positive-blowing reverse-pumping blockage removing method is an effective method applied to a gas conveying system, and has the remarkable advantages compared with the traditional pressurization blockage removing method and the traditional on-way blockage removing method.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The positive-blowing reverse-pumping type blockage removing system is characterized by comprising a dust remover ash bucket (1), a variable-frequency electric feeder (6), a bin pump (2), a balance pipeline (3), a blockage removing pipeline (4), a bin pump double sleeve (13), a conveying pipeline (9), an air supplementing pipeline (10), a pneumatic blockage removing valve (12), a one-way valve (11) and a valve group (8), wherein a discharging pipe is fixed at the bottom of the dust remover ash bucket (1), the variable-frequency electric feeder (6) is installed at the bottom of the discharging pipe, the bin pump (2) is connected to the bottom of the variable-frequency electric feeder (6), the balance pipeline (3) is connected to the top of the bin pump (2), the bin pump double sleeve (13) is connected to the bottom of the bin pump (2), the bin pump double sleeve (13) is connected with the conveying pipeline (9), the blockage removing pipeline (4) is connected to the bin pump double sleeve (13), the upper end of balanced pipeline (3), row's stifled pipeline (4) all extends to the outer wall top of dust remover ash bucket (1), all be connected with pipe chute (16) on the upper end outer wall of balanced pipeline (3), row's stifled pipeline (4), the lower extreme of pipe chute (16) extends to the inside of dust remover ash bucket (1), the upper end of balanced pipeline (3), row's stifled pipeline (4) all is provided with shutoff board (15).
2. The positive-blowing reverse-pumping type blockage removing system according to claim 1, wherein a gas supplementing pipeline (10) is further connected to the conveying pipeline (9), the gas supplementing pipeline (10) is connected with a bin pump double sleeve (13) through a connecting pipeline, a one-way valve (11) is mounted on the connecting pipeline, and the gas inlet direction of the one-way valve (11) is that the gas supplementing pipeline (10) flows to the bin pump double sleeve (13).
3. The positive-blowing reverse-pumping type blockage removing system according to claim 1, wherein an air inlet valve and an air supply valve are respectively arranged on the balance pipeline (3) and the blockage removing pipeline (4), and a pneumatic blockage removing valve (12) is arranged on the double sleeve (13) between the bin pumps.
4. A positive-blowing reverse-pumping type blockage removing system according to claim 1, wherein a valve group (8) is installed on the conveying pipeline (9), and the valve group (8) is used for controlling the closing of the conveying pipeline (9).
5. The positive-blowing reverse-pumping type blockage removing system according to claim 4, wherein the valve group (8) comprises a manual ball valve, a pressure reducing valve, a pneumatic ball valve and a second throttling orifice plate.
6. A positive-blow, reverse-draw, block-removal system according to claim 1, wherein the precipitator hopper (1) is mounted on a mounting frame (14).
7. The positive-blowing reverse-pumping type blockage removing system according to claim 1, wherein a pressure transmitter is arranged in the conveying pipeline (9) and is used for detecting the conveying pressure inside the conveying pipeline.
8. The positive-blowing reverse-pumping type blockage removing system according to claim 1, wherein the inclined pipe (16) forms an included angle of 30 degrees with the horizontal plane, the inclined pipe (16) is arranged obliquely downwards, and the inclined pipe (16) is positioned above the dust remover high material level meter (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011631477.1A CN112830260A (en) | 2020-12-31 | 2020-12-31 | Positive-blowing reverse-pumping type blockage removing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011631477.1A CN112830260A (en) | 2020-12-31 | 2020-12-31 | Positive-blowing reverse-pumping type blockage removing system |
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| Publication Number | Publication Date |
|---|---|
| CN112830260A true CN112830260A (en) | 2021-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011631477.1A Pending CN112830260A (en) | 2020-12-31 | 2020-12-31 | Positive-blowing reverse-pumping type blockage removing system |
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| CN (1) | CN112830260A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201545512U (en) * | 2009-06-10 | 2010-08-11 | 陈毅 | Limestone continuous conveying system |
| CN203682609U (en) * | 2014-02-13 | 2014-07-02 | 河北大唐国际丰润热电有限责任公司 | Pneumatic dust delivery device of boiler electric dust precipitation system |
| CN203903475U (en) * | 2014-05-28 | 2014-10-29 | 应城市新都化工有限责任公司 | Pneumatic conveying system for chemical production |
| CN104528386A (en) * | 2014-12-03 | 2015-04-22 | 镇江市电站辅机厂有限公司 | Pneumatic conveying system of fly ash of dust collector |
| CN104773509A (en) * | 2015-04-10 | 2015-07-15 | 国电环境保护研究院 | System and method for conveying fluidized parallel storehouse pumps |
| CN204675149U (en) * | 2015-04-14 | 2015-09-30 | 中国华电工程(集团)有限公司 | A kind of dust conveying system blockage-eliminating device |
| CN105947683A (en) * | 2016-06-03 | 2016-09-21 | 镇江京华电力环保工程公司 | Positive/negative-pressure integral pneumatic ash conveying system |
-
2020
- 2020-12-31 CN CN202011631477.1A patent/CN112830260A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201545512U (en) * | 2009-06-10 | 2010-08-11 | 陈毅 | Limestone continuous conveying system |
| CN203682609U (en) * | 2014-02-13 | 2014-07-02 | 河北大唐国际丰润热电有限责任公司 | Pneumatic dust delivery device of boiler electric dust precipitation system |
| CN203903475U (en) * | 2014-05-28 | 2014-10-29 | 应城市新都化工有限责任公司 | Pneumatic conveying system for chemical production |
| CN104528386A (en) * | 2014-12-03 | 2015-04-22 | 镇江市电站辅机厂有限公司 | Pneumatic conveying system of fly ash of dust collector |
| CN104773509A (en) * | 2015-04-10 | 2015-07-15 | 国电环境保护研究院 | System and method for conveying fluidized parallel storehouse pumps |
| CN204675149U (en) * | 2015-04-14 | 2015-09-30 | 中国华电工程(集团)有限公司 | A kind of dust conveying system blockage-eliminating device |
| CN105947683A (en) * | 2016-06-03 | 2016-09-21 | 镇江京华电力环保工程公司 | Positive/negative-pressure integral pneumatic ash conveying system |
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Application publication date: 20210525 |
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| RJ01 | Rejection of invention patent application after publication |