CN217971629U - Interlocking pressure relief mechanism of dense-phase pump ash conveying system - Google Patents
Interlocking pressure relief mechanism of dense-phase pump ash conveying system Download PDFInfo
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- CN217971629U CN217971629U CN202222311628.6U CN202222311628U CN217971629U CN 217971629 U CN217971629 U CN 217971629U CN 202222311628 U CN202222311628 U CN 202222311628U CN 217971629 U CN217971629 U CN 217971629U
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Abstract
The utility model discloses a dense phase pump ash conveying system interlocking pressure relief mechanism, dense phase pump ash conveying system interlocking pressure relief mechanism includes two dense phase pumps, two dense phase pumps parallel arrangement, the top of dense phase pump is provided with pneumatic pressure relief ball valve, the one end of pneumatic pressure relief ball valve with dense phase pump intercommunication other end is linked together with secondary dust removal storehouse, the top of dense phase pump still is equipped with pneumatic disc seal valve, second push-pull valve, star type unloading valve and first push-pull valve, pneumatic disc seal valve, the second push-pull valve, star type unloading valve and the first push-pull valve sets up intercommunication dense phase pump and secondary dust removal storehouse from bottom to top in proper order, pneumatic pressure relief ball valve and pneumatic disc seal valve still are connected with a magenetic exchange valve electricity; has the advantages of effectively inhibiting smoke and dust emission, and the like.
Description
Technical Field
The utility model relates to a coke-oven plant dry coke quenching secondary dust removal ash conveying system especially relates to a dense phase pump ash conveying system interlocking pressure relief mechanism.
Background
When the ash in the secondary dust removal gas ash conveying system of the dry quenching coke is conveyed to the dense-phase pump, the pneumatic disc sealing valve is opened, the pressure in the dense-phase pump is shifted upwards, the gate valve of the ash discharge pipeline above is sealed firmly, the sealing effect is poor, the dust leaks from the gate valve plate seal, the ash discharge environment is polluted, the equipment is damaged, and the normal production is influenced.
Therefore, the interlocking pressure relief mechanism of the dense phase pump ash conveying system is provided, and the problems can be solved.
Disclosure of Invention
The utility model aims to solve the technical problem that, when the interior ash of secondary dedusting storehouse was put to dense phase pump, pneumatic disc seal valve was opened, and dense phase pump internal pressure was upwards drunkenness, and the top unloads the push-pull valve of ash pipeline and is sealed firmly, and sealed effect is poor, and the dust is sealed to be exported from the push-pull plate valve plate and is leaked, leads to emitting grey environmental pollution, also causes the damage to equipment, influences normal production, provides a dense phase pump ash conveying system interlocking pressure relief mechanism, dense phase pump ash conveying system interlocking pressure relief mechanism includes:
the device comprises two dense-phase pumps which are arranged in parallel, a pneumatic pressure relief ball valve is arranged at the top of each dense-phase pump, one end of each pneumatic pressure relief ball valve is communicated with the dense-phase pumps, the other end of each pneumatic pressure relief ball valve is communicated with a secondary dust removal bin, a pneumatic disc sealing valve, a second gate valve, a star-shaped ash discharge valve and a first gate valve are further arranged at the top of each dense-phase pump, the pneumatic disc sealing valve, the second gate valve, the star-shaped ash discharge valve and the first gate valve are sequentially communicated with the dense-phase pumps and the secondary dust removal bin from bottom to top, and the pneumatic pressure relief ball valves and the pneumatic disc sealing valves are further electrically connected with an electromagnetic reversing valve.
Further, the dense phase pump further comprises a particle level meter which is fixedly arranged on the side surface of the dense phase pump.
Further, the diameter of a pipeline between the dense-phase pump and the pneumatic pressure relief ball valve is 57mm, and the diameter of a pipeline between the pneumatic pressure relief ball valve and the secondary dust removal bin is 57mm.
Furthermore, a pipeline between the dense-phase pump and the pneumatic pressure relief ball valve and a pipeline between the pneumatic pressure relief ball valve and the secondary dust removal bin are seamless steel pipes.
Further, the pneumatic pressure relief ball valve is a Q741F-10C/DN50 ball valve.
Further, the electromagnetic directional valve is used for controlling the opening and closing states of the pneumatic pressure relief ball valve and the pneumatic disc sealing valve.
Implement the utility model discloses, following beneficial effect has:
1. the utility model discloses the structure principle is simple, can prevent in the dense phase pump residual pressure when toward dense phase pump storehouse body ash discharge that residual pressure passes through pneumatic disc seal valve and drives the dust removal ash and blow off around the push-pull valve plate, effectively restraines the smoke and raises the dirt, also reduces gaseous unusual scouring wear to equipment simultaneously, ensures the defeated ash system normal operating of dry coke quenching secondary dust removal.
Drawings
FIG. 1 is a schematic diagram of the electrical connection of the solenoid directional valve of the present invention to a pneumatic pressure relief ball valve and a pneumatic disc seal valve, respectively;
FIG. 2 is a schematic view of the present invention;
wherein the reference signs shall correspond to: 1. an electromagnetic directional valve; 2. a pneumatic ball valve; 3. a pneumatic dome valve; 4. an air pipe 5 and a secondary dust removal bin; 6. a first gate valve; 7. a star-shaped ash discharge valve; 8. a second gate valve; 9. A dense phase pump; 10. a gas source; 11. a level gauge.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Examples
Referring to the attached drawings 1-2 of the specification, the technical problem to be solved in this embodiment is that, when ash in the secondary dust removal bin is discharged to the dense phase pump, the pneumatic disc seal valve is opened, the pressure in the dense phase pump moves upwards, the gate valve of the upper ash discharge pipeline is sealed hard, the sealing effect is poor, the dust leaks from the gate valve plate seal, the dust emission environment is polluted, the equipment is damaged, and the normal production is affected, and a dense phase pump ash conveying system interlocking pressure relief mechanism is provided, and comprises:
the device comprises two dense-phase pumps, wherein the two dense-phase pumps are arranged in parallel, a pneumatic pressure relief ball valve is arranged at the top of each dense-phase pump, one end of each pneumatic pressure relief ball valve is communicated with the dense-phase pumps, the other end of each pneumatic pressure relief ball valve is communicated with a secondary dust removal bin, a pneumatic disc sealing valve, a second gate valve, a star-shaped ash discharge valve and a first gate valve are further arranged at the top of each dense-phase pump, the pneumatic disc sealing valve, the second gate valve, the star-shaped ash discharge valve and the first gate valve are sequentially arranged from bottom to top and communicated with the dense-phase pumps and the secondary dust removal bin, and the pneumatic pressure relief ball valves and the pneumatic disc sealing valves are further electrically connected with an electromagnetic reversing valve.
The device also comprises a particle level meter which is fixedly arranged on the side surface of the dense-phase pump.
The diameter of a pipeline between the dense-phase pump and the pneumatic pressure-relief ball valve is 57mm, and the diameter of a pipeline between the pneumatic pressure-relief ball valve and the secondary dust removal bin is 57mm.
And the pipeline between the dense-phase pump and the pneumatic pressure relief ball valve and the pipeline between the pneumatic pressure relief ball valve and the secondary dust removal bin are seamless steel pipes.
The pneumatic pressure relief ball valve is a Q741F-10C/DN50 ball valve.
The electromagnetic directional valve is used for controlling the opening and closing states of the pneumatic pressure relief ball valve and the pneumatic disc sealing valve.
In the actual use process, after dense-phase pump gas ash conveying is completed, the level indicator 11 feeds back a signal, the gas source 10 is closed to stop ash conveying, the electromagnetic directional valve 1 is electrified, the pneumatic ball valve 2 and the pneumatic dome valve 3 are opened simultaneously, due to negative pressure of the secondary dedusting bin 5, residual pressure in the dense-phase pump 9 is relieved to the secondary dedusting bin 5 through the pneumatic ball valve 2, the gate valve 6 is normally opened, the secondary dedusting bin 5 discharges ash to the dense-phase pump 9, the gate valve 8 is opened, the star-shaped ash discharge valve 7 is opened after delaying for one minute to discharge ash, when the level indicator reaches a certain material level, the signal is fed back, the star-shaped ash discharge valve 7 is closed, the pneumatic ball valve 2 and the pneumatic disc seal valve 3 are closed after delaying for 1 minute simultaneously, the gate valve 8 is closed, and the secondary dedusting bin finishes ash discharge operation.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, the terms "mounted", "disposed", "connected", "fixed", "screwed" and the like are to be understood broadly, and may be, for example, a fixed connection, a detachable connection, or an integral body; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The interlocking pressure relief mechanism is characterized by comprising two dense-phase pumps which are arranged in parallel, a pneumatic pressure relief ball valve is arranged at the top of each dense-phase pump, one end of the pneumatic pressure relief ball valve is communicated with the dense-phase pump, the other end of the pneumatic pressure relief ball valve is communicated with a secondary dust removal bin, a pneumatic disc sealing valve, a second gate valve, a star-shaped dust discharge valve and a first gate valve are further arranged at the top of each dense-phase pump, the pneumatic disc sealing valve, the second gate valve, the star-shaped dust discharge valve and the first gate valve are sequentially communicated from bottom to top with the dense-phase pumps and the secondary dust removal bin, and the pneumatic pressure relief ball valve and the pneumatic disc sealing valve are further electrically connected with an electromagnetic reversing valve.
2. The dense phase pump ash conveying system interlock pressure relief mechanism of claim 1, further comprising a particle level gauge fixedly mounted on a side of the dense phase pump.
3. The dense phase pump ash conveying system interlocking pressure relief mechanism of claim 2, wherein the pipeline diameter between the dense phase pump and the pneumatic pressure relief ball valve is 57mm, and the pipeline diameter between the pneumatic pressure relief ball valve and the secondary dust removal bin is 57mm.
4. The dense phase pump ash conveying system interlocking pressure relief mechanism of claim 3, wherein the pipeline between the dense phase pump and the pneumatic pressure relief ball valve and the pipeline between the pneumatic pressure relief ball valve and the secondary dust removal bin are seamless steel pipes.
5. The dense phase pump ash conveying system interlock pressure relief mechanism of claim 4, wherein the pneumatic pressure relief ball valve is a type Q741F-10C/DN50 ball valve.
6. The dense phase pump ash conveying system interlock pressure relief mechanism of claim 5, wherein the solenoid directional valve is used to control the open and closed states of the pneumatic pressure relief ball valve and the pneumatic disc seal valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222311628.6U CN217971629U (en) | 2022-08-31 | 2022-08-31 | Interlocking pressure relief mechanism of dense-phase pump ash conveying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222311628.6U CN217971629U (en) | 2022-08-31 | 2022-08-31 | Interlocking pressure relief mechanism of dense-phase pump ash conveying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217971629U true CN217971629U (en) | 2022-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222311628.6U Active CN217971629U (en) | 2022-08-31 | 2022-08-31 | Interlocking pressure relief mechanism of dense-phase pump ash conveying system |
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| Country | Link |
|---|---|
| CN (1) | CN217971629U (en) |
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- 2022-08-31 CN CN202222311628.6U patent/CN217971629U/en active Active
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