CN217355713U - Safety valve for dry ash medium - Google Patents
Safety valve for dry ash medium Download PDFInfo
- Publication number
- CN217355713U CN217355713U CN202220797745.5U CN202220797745U CN217355713U CN 217355713 U CN217355713 U CN 217355713U CN 202220797745 U CN202220797745 U CN 202220797745U CN 217355713 U CN217355713 U CN 217355713U
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- Prior art keywords
- valve plate
- pressure
- pressure relief
- safety valve
- relief valve
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
The utility model relates to a safety valve for dry ash medium, which comprises an installation pipe joint, a valve body component and a pressure-adjustable safety valve core component, wherein the middle part of a pressure relief valve plate of the valve body component is provided with a pressure relief valve hole, and the installation pipe joint is communicated with the pressure relief valve hole; the side wall of the supporting tube is provided with a pressure relief through hole, and the pressure regulating valve plate and the pressure relief valve plate are respectively arranged on the upper end port and the lower end port of the supporting tube and are assembled into a whole through an assembling screw rod and a nut; the safety valve plate of the pressure-adjustable safety valve core assembly is plugged on a pressure relief valve hole of the pressure relief valve plate, the safety valve plate is connected with one end of a pushing spring, the other end of the pushing spring is connected with an adjusting bolt, the adjusting bolt is installed on the pressure-adjusting valve plate, and the compression amount of the pushing spring can be adjusted by rotating an adjusting nut, so that the safety pressure relief value of the safety valve plate is adjusted. The utility model discloses a design out the relief valve according to the transport condition of dry ash medium in the forced lubrication pipeline, it not only can improve dry ash medium pipeline conveying system's security, still has advantages such as regulation, maintenance and maintenance convenience simultaneously.
Description
Technical Field
The utility model belongs to the relief valve of ash storehouse system, concretely relates to relief valve of dry ash medium.
Background
High-temperature flue gas discharged by a boiler of a coal-fired power plant is recycled through an air preheater, a low-temperature heat transfer system is additionally arranged on the air preheater, flaky large-particle impurity impurities can be continuously differentiated and fall off on a low-temperature heat transfer element and can be continuously conveyed to an ash silo along with a fly ash pressure conveying pipeline, and the ash silo is easy to discharge unsmooth and sorting equipment is often jammed and blocked. The fly ash pressure-feeding pipeline belongs to a pressure pipeline, the gas pressure of the pipeline is easy to continuously rise due to unsmooth blanking or blockage, and the safety accident of pipeline bursting is easy to happen once the pressure is too high. For safety, a corresponding safety valve should be designed according to the conveying condition of the dry ash medium in the pressure conveying pipeline, so as to ensure the safety of the dry ash medium pipeline conveying.
SUMMERY OF THE UTILITY MODEL
Based on above-mentioned prior art not enough, the utility model provides a relief valve of dry ash medium, it designs out the relief valve according to the transport condition of dry ash medium in the forced lubrication pipeline, and it not only can improve dry ash medium pipeline conveying system's security, still has advantages such as regulation, maintenance and maintenance convenience simultaneously.
The technical scheme of the utility model lies in: the utility model provides a relief valve of dry ash medium, is including installation coupling, valve body subassembly and the safe case subassembly of can adjusting pressure, the upper end of installation coupling is connected with the valve body subassembly, the safe case subassembly of can adjusting pressure is installed on the valve body subassembly, wherein:
the valve body assembly comprises a pressure relief valve plate, a supporting pipe and a pressure regulating valve plate; the middle part of the pressure relief valve plate is provided with a pressure relief valve hole, and the upper end of the mounting pipe joint is fixed on the pressure relief valve plate and communicated with the pressure relief valve hole; the side wall of the supporting tube is provided with a pressure relief through hole, and the pressure regulating valve plate and the pressure relief valve plate are respectively arranged on the upper end port and the lower end port of the supporting tube;
the pressure-adjustable safety valve core assembly comprises a safety valve plate, a pushing spring and a pressure-adjusting bolt; the safety valve plate shutoff is on the pressure release valve hole of pressure release valve plate, the safety valve plate is connected with the one end that pushes away the spring, the other end that pushes away the spring is connected with adjusting bolt, the pressure regulating bolt is installed on the pressure regulating valve plate, can adjust the decrement that pushes away the spring through rotating the pressure regulating nut to the safe pressure release value of adjustment safety valve plate.
Preferably, the pressure regulating valve plate and the pressure relief valve plate are correspondingly provided with connecting holes at the peripheral parts thereof, and are assembled into a whole by assembling a screw and a nut.
Preferably, the cross section of the supporting tube is cylindrical or rectangular, and the side wall of the supporting tube is provided with pressure relief through holes communicated with the outside atmosphere at intervals.
Preferably, an elastic sealing gasket is arranged on the valve port of the pressure relief valve hole.
Preferably, the end part of the pressure regulating bolt, which extends upwards out of the pressure regulating valve plate, is provided with a locking nut.
Preferably, the outer periphery of the pushing spring is surrounded by a soft sheath.
Preferably, the upper end of the soft sheath is fixed near the joint of the pushing spring and the pressure regulating bolt; the lower end of the soft sheath is fixed near the joint of the pushing spring and the safety valve plate.
The beneficial effects of the utility model reside in that: the utility model discloses a design the relief valve according to the transport condition of dry ash medium in the forced lubrication pipeline, it can be arranged in all kinds of pressure conveying system, is particularly useful for the pressure conveying system of dry ash medium. When the pressure in the pressure conveying system is larger than the set safe pressure relief value, the safe valve plate can automatically jump, so that the automatic opening pressure relief is realized, and the safety accident is prevented. Therefore, the utility model discloses not only can improve dry ash medium pipeline conveying system's security, still have simple structure simultaneously, make, equipment and easy maintenance to and pressure release action is sensitive, adjust, maintain and overhaul advantages such as convenient.
Drawings
FIG. 1 is a schematic structural diagram of a safety valve for dry ash media in an embodiment.
In the figure: the pressure relief valve comprises a mounting pipe joint 1, a pressure relief valve plate 2, a supporting pipe 3, an assembling screw rod 4, a pressure regulating valve plate 5, a pressure relief through hole 6, a safety valve plate 7, a pushing spring 8, a pressure regulating bolt 9, a locking nut 10, a flexible sheath 11, a valve hole 12 and an elastic sealing washer 13.
Detailed Description
In order to make the technical content of the present invention comprehensible to those of ordinary skill in the art, the present invention is described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the utility model discloses a relief valve of dry ash medium is including installation coupling 1, valve body subassembly and the safe case subassembly of can adjusting pressure, the upper end of installation coupling 1 is connected with the valve body subassembly, the safe case subassembly of can adjusting pressure is installed on the valve body subassembly, wherein:
the valve body assembly comprises a pressure relief valve plate 2, a supporting tube 3, an assembling screw rod 4 and a pressure regulating valve plate 5.
The middle part of pressure relief valve plate 2 is provided with pressure relief valve hole 12, the upper end welding of installation coupling 1 is on pressure relief valve plate 2 to lead to pressure relief valve hole 12.
A plurality of pressure relief through holes 6 are uniformly formed in the side wall of the support tube 3. More specifically, the cross section of the support tube 3 is cylindrical or rectangular, and the side wall of the support tube 3 is uniformly provided with pressure relief through holes 6 communicated with the outside atmosphere at intervals.
The pressure regulating valve plate 5 and the pressure relief valve plate 2 are provided with mounting bosses which are matched with ports of the supporting tube 3, namely the pressure regulating valve plate 5 and the pressure relief valve plate 2 are respectively mounted on the upper port and the lower port of the supporting tube 3.
The pressure regulating valve plate 5 and the pressure relief valve plate 2 are correspondingly provided with connecting holes at the peripheral parts, and the pressure regulating valve plate 5 and the pressure relief valve plate 2 are assembled into a whole through an assembling screw rod and a nut.
The pressure-adjustable safety valve core assembly comprises a safety valve plate 7, a pushing spring 8 and a pressure-adjusting bolt 9.
The safety valve plate 7 is plugged on a pressure relief valve hole 12 of the pressure relief valve plate 2, and an elastic sealing gasket 13 is further mounted on a valve port of the pressure relief valve hole 12.
The safety valve plate 7 is connected with one end of a pushing spring 8, and the other end of the pushing spring 8 is connected with the lower end part of an adjusting bolt 9.
Pressure regulating bolt 9 is installed on pressure regulating valve plate 5, pressure regulating valve plate 5 is upwards worn out to the upper end of pressure regulating bolt 9, and is provided with rotatory operating head on its upper end, pressure regulating bolt 9 is provided with lock nut 10 on the tip that upwards stretches out the pressure regulating valve plate. The rotary operating head at the upper end of the pressure regulating nut 9 is rotated to drive the pressure regulating nut 9 to move up and down, and the compression amount of the pushing spring 8 is adjusted, so that the safe pressure relief value of the safety valve plate 7 at the lower end of the pushing spring 8 can be adjusted. After adjustment, the pressure regulating bolt 9 can be locked by the locking nut 10, so that loosening is avoided.
The periphery of the pushing spring 8 is surrounded by a soft sheath 11. The upper end of the flexible sheath 11 is fixed near the joint of the pushing spring 8 and the pressure regulating bolt 9, and the lower end of the flexible sheath 11 is fixed near the joint of the pushing spring 8 and the safety valve plate 7.
The utility model discloses not only can improve dry ash medium pipeline conveying system's security, still have simple structure simultaneously, make, equipment and easy maintenance to and pressure release action advantage such as sensitive, regulation, maintenance and overhaul convenience.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and drawings, or directly or indirectly applied to other related technical fields, which are all included in the scope of the present invention.
Claims (7)
1. The utility model provides a relief valve of dry ash medium, is including installation coupling, valve body subassembly and the safe case subassembly of can adjusting pressure, its characterized in that: the valve body assembly comprises a pressure relief valve plate, a supporting pipe and a pressure regulating valve plate; the middle part of the pressure relief valve plate is provided with a pressure relief valve hole, and the upper end of the mounting pipe joint is fixed on the pressure relief valve plate and communicated with the pressure relief valve hole; the side wall of the supporting tube is provided with a pressure relief through hole, and the pressure regulating valve plate and the pressure relief valve plate are respectively arranged on the upper end port and the lower end port of the supporting tube;
the pressure-adjustable safety valve core assembly comprises a safety valve plate, a pushing spring and a pressure-adjusting bolt; the safety valve plate shutoff is on the pressure release valve hole of pressure release valve plate, the safety valve plate is connected with the one end that pushes away the spring, the other end that pushes away the spring is connected with adjusting bolt, the pressure regulating bolt is installed on the pressure regulating valve plate, can adjust the decrement that pushes away the spring through rotating the pressure regulating nut to the safe pressure release value of adjustment safety valve plate.
2. The dry ash medium safety valve of claim 1, wherein: the pressure regulating valve plate and the pressure relief valve plate are correspondingly provided with connecting holes at the peripheral parts and are assembled into a whole through an assembling screw rod and a nut.
3. The dry ash medium safety valve of claim 1, wherein: the cross section of the supporting tube is cylindrical or rectangular, and pressure relief through holes communicated with the outside atmosphere are arranged on the side wall of the supporting tube at intervals.
4. The dry ash medium safety valve of claim 1, wherein: and an elastic sealing gasket is arranged on a valve port of the pressure relief valve hole.
5. The dry ash medium safety valve of claim 1, wherein: and the end part of the pressure regulating bolt, which extends upwards out of the pressure regulating valve plate, is provided with a locking nut.
6. A safety valve for dry ash media as claimed in claim 1, wherein: the periphery of the pushing spring is surrounded by a soft sheath.
7. The dry ash medium safety valve of claim 6, wherein: the upper end of the soft sheath is fixed near the joint of the pushing spring and the pressure regulating bolt; the lower end of the soft sheath is fixed near the joint of the pushing spring and the safety valve plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220797745.5U CN217355713U (en) | 2022-04-08 | 2022-04-08 | Safety valve for dry ash medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220797745.5U CN217355713U (en) | 2022-04-08 | 2022-04-08 | Safety valve for dry ash medium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217355713U true CN217355713U (en) | 2022-09-02 |
Family
ID=83055311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220797745.5U Active CN217355713U (en) | 2022-04-08 | 2022-04-08 | Safety valve for dry ash medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217355713U (en) |
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2022
- 2022-04-08 CN CN202220797745.5U patent/CN217355713U/en active Active
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