CN210974739U - Pressure relief pipe for coal injection furnace tank - Google Patents
Pressure relief pipe for coal injection furnace tank Download PDFInfo
- Publication number
- CN210974739U CN210974739U CN201922285818.3U CN201922285818U CN210974739U CN 210974739 U CN210974739 U CN 210974739U CN 201922285818 U CN201922285818 U CN 201922285818U CN 210974739 U CN210974739 U CN 210974739U
- Authority
- CN
- China
- Prior art keywords
- connecting pipe
- bottom connecting
- pressure release
- pipe
- pressure relief
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Solid-Fuel Combustion (AREA)
Abstract
The utility model discloses a coal injection stove jar is with pressure release pipe, including bottom connecting pipe, pressure release shell, movable plate, spring and top cap, the current three-way pipe is referred to the structure of bottom connecting pipe, be provided with the screw thread on the excircle part of the perpendicular tubular structure of bottom connecting pipe, the welding has the profile to be annular steel sheet on the excircle part of the bottom connecting pipe of screw thread bottom, the disc top bonding of bottom connecting pipe upside is fixed with the first gasket that the profile corresponds rather than, bottom connecting pipe top threaded connection has the pressure release shell, the screw thread part of pressure release shell lower extreme meshes with the screw thread part of bottom connecting pipe upper end, the disc structure of pressure release shell lower extreme presses in the upper surface top of first gasket, pressure release shell middle part is provided with horizontally disc-shaped structure. This coal injection stove is pressure release pipe for jar can adjust the pressure of pressure release as required, and simple structure is fit for generally using widely.
Description
Technical Field
The utility model belongs to the technical field of the pressure release pipe, concretely relates to coal injection stove is pressure release pipe for jar.
Background
In the modern blast furnace iron-making technology, pulverized coal injected into a blast furnace is one of means for saving energy and reducing consumption, and the technology is widely applied in the modern blast furnace. Because of the advantages of good economic index, simple process, large production capacity, high labor production efficiency, low energy consumption and the like of the blast furnace ironmaking technology, the iron produced by the method accounts for the vast majority of the total iron production in the world.
The pressure relief pipe is a matched component applied to a coal injection furnace tank, the service life of the existing pressure relief pipe is general, and the process of adjusting the pressure relief pressure of the pressure relief pipe is also complex.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a coal injection boiler is pressure release pipe for jar to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a pressure relief pipe for a coal injection furnace tank comprises a bottom connecting pipe, a pressure relief piece shell, a movable sheet, a spring and a top cover, wherein the structure of the bottom connecting pipe refers to the existing three-way pipe, the outer circle part of the vertical tubular structure of the bottom connecting pipe is provided with threads, the outer circle part of the bottom connecting pipe at the bottom of the threads is welded with a steel plate with an annular outline, a first sealing sheet with an outline corresponding to the first sealing sheet is fixedly bonded above a disc on the upper side of the bottom connecting pipe, the pressure relief piece shell is connected above the bottom connecting pipe in a threaded manner, a threaded part at the lower end of the pressure relief piece shell is meshed with a threaded part at the upper end of the bottom connecting pipe, and a disc-shaped structure at;
pressure release shell middle part is provided with horizontally disc structure, the structural groove that has three groups to be the ring array and distribute that goes up of the inside disc of pressure release shell, the tubular structure threaded connection at pressure release shell middle part has a housing screw, housing screw runs through inside the through-hole of activity piece central authorities, activity piece bottom bonding is fixed with the profile and is the annular second gasket of circle, the second gasket covers on the groove of pressure release shell middle part disc structure, the cover is equipped with the spring on the housing screw of activity piece top.
Preferably, the two ends of the tubular structure horizontally arranged at the lower side of the bottom connecting pipe are respectively provided with a flange plate with a through hole, and the bottom connecting pipe is welded to form an integrated structure.
Preferably, spring contact pieces are arranged at the upper end and the lower end of the spring, the spring contact pieces are sleeved outside the compression screw, and two ends of the spring extend into the opening part of the spring contact pieces.
Preferably, the diameter of the movable sheet is smaller than the inner diameter of the inner space of the pressure relief piece shell.
Preferably, the top of the pressure relief part shell is in threaded connection with a top cover, the top cover is in a bottle cap shape in outline, a plurality of groups of through holes distributed in an annular array are formed in the horizontal part of the upper side of the top cover, and the through holes with chamfers are formed in the upper side of the top cover and located above wrench sockets above the compression screws.
The utility model discloses a technological effect and advantage: compared with the existing pressure relief pipe, the pressure relief pipe for the coal injection furnace tank can adjust the pressure of the screw head of the compression screw to the spring in a manner of screwing the compression screw, and the pressure relief pipe has the advantages that the pressure relief force can be adjusted in a manner of directly twisting the compression screw, and the adjustment process is simple; the device has more integrated structures, has simpler integral structure and is suitable for being popularized and used; the bottom connecting pipe is provided with a flange plate which is beneficial to being connected with a hard pipe or a hose using the flange.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of the present invention;
fig. 3 is a schematic sectional structure of the present invention;
fig. 4 is an enlarged view of the structure at a in fig. 3 according to the present invention;
FIG. 5 is a schematic view of the cross-sectional structure of the casing of the pressure relief member of the present invention;
fig. 6 is a schematic structural diagram of the spring contact according to the present invention.
In the figure: 1 bottom connecting pipe, 2 first gasket, 3 pressure release piece shells, 4 second gasket, 5 activity pieces, 6 spring contact spare, 7 springs, 8 housing screw, 9 top caps.
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 work belong to the protection scope of the present invention.
The utility model provides a coal injection stove jar is with pressure release pipe as shown in fig. 1-6, including bottom connecting pipe 1, pressure release piece shell 3, movable plate 5, spring 7 and top cap 9, the structure of bottom connecting pipe 1 refers to current three-way pipe, be provided with the screw thread on the excircle part of the perpendicular tubular structure of bottom connecting pipe 1, the welding has the steel sheet that the profile is annular on the excircle part of the bottom connecting pipe 1 of screw thread bottom, the first gasket 2 that the profile corresponds rather than is fixed with in bonding above the disc of bottom connecting pipe 1 upside, threaded connection has pressure release piece shell 3 above bottom connecting pipe 1, the screw thread portion of pressure release piece shell 3 lower extreme meshes with the screw thread portion of bottom connecting pipe 1 upper end, the disc structure of pressure release piece shell 3 lower extreme is pressed above the upper surface of first gasket 2;
the pressure relief part shell 3 middle part is provided with the horizontally disc structure, it has three groups of grooves that are the annular array and distribute to open on the disc structure of pressure relief part shell 3 inside, the tubular structure threaded connection at pressure relief part shell 3 middle part has housing screw 8, housing screw 8 runs through inside the through-hole of 5 central authorities of activity piece, 5 bottoms of activity piece bond and be fixed with the profile and be annular second gasket 4, second gasket 4 covers on the groove of 3 middle part disc structures of pressure relief part shell, the cover is equipped with spring 7 on the housing screw 8 of activity piece 5 top.
Specifically, the two ends of the horizontally arranged tubular structure at the lower side of the bottom connecting pipe 1 are respectively provided with a flange plate with a through hole, and the bottom connecting pipe 1 is welded to form an integrated structure, so that the bottom connecting pipe is favorable for being connected with a hard pipe or a hose connected by using a flange.
Specifically, spring 7 upper end and lower extreme all are provided with spring contact 6, spring contact 6 cover is established at housing screw 8 outsidely, inside spring contact 6's the opening part was all stretched into at spring 7's both ends, spring contact 6 had replaced spring 7 and movable plate 5 and the contact of housing screw 8, and the pressure that lets spring 7 use movable plate 5 and housing screw 8 is more even.
Specifically, the diameter of the movable piece 5 is smaller than the inner diameter of the internal space of the pressure relief member housing 3, and the flowing-out gap is a space through which air flows out.
Specifically, there is top cap 9 pressure release 3 top threaded connection of piece shell, the profile of top cap 9 is the bottle lid shape, the horizontal part of top cap 9 upside is gone up to open has a plurality of groups to be the through-hole that the annular array distributes, top cap 9 upside is opened the through-hole that has the chamfer and is located the spanner socket top of gland screw 8 top, and top cap 9 has played the effect that prevents gland screw 8 and has fallen out.
Specifically, this coal injection stove jar is with pressure release pipe, coal injection stove jar's air current flows through from bottom connecting pipe 1, atmospheric pressure in the bottom connecting pipe 1 is used on the lower terminal surface of second gasket 4, second gasket 4 will be promoted rebound activity piece 5 also can pressurized, 5 upper ends of activity piece receive spring 7's pressure, if the impetus of atmospheric pressure is greater than spring 7's pressure, 5 rebound of activity piece leave the clearance, gaseous will pass the clearance of 5 peripheries of activity pieces from the inslot on 3 middle part through-holes of pressure release shell and let out, spring 7 will be stressed when housing screw 8 is rotatory, spring 7 uses the pressure on the activity piece 5 also can change, the pressure that promotes 5 productions of activity piece also can change.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (5)
1. The utility model provides a coal injection stove is pressure release pipe for jar, includes bottom connecting pipe (1), pressure release shell (3), movable plate (5), spring (7) and top cap (9), its characterized in that: the structure of the bottom connecting pipe (1) refers to the existing three-way pipe, the outer circle part of the vertical tubular structure of the bottom connecting pipe (1) is provided with threads, the outer circle part of the bottom connecting pipe (1) at the bottom of the threads is welded with a steel plate with an annular outline, a first sealing sheet (2) with an outline corresponding to the first sealing sheet is fixedly bonded above a disc on the upper side of the bottom connecting pipe (1), a pressure relief piece shell (3) is connected above the bottom connecting pipe (1) in a threaded manner, a threaded part at the lower end of the pressure relief piece shell (3) is meshed with a threaded part at the upper end of the bottom connecting pipe (1), and a disc-shaped structure at the lower end of the pressure relief piece shell (3) is pressed above;
pressure release shell (3) middle part is provided with horizontally disc structure, the structural groove that has three groups to be the ring array distribution that opens of the disc of pressure release shell (3) inside, the tubular structure threaded connection at pressure release shell (3) middle part has housing screw (8), housing screw (8) run through inside the through-hole of activity piece (5) central authorities, activity piece (5) bottom bonding is fixed with the profile and is annular second gasket (4), second gasket (4) cover on the groove of pressure release shell (3) middle part disc structure, the cover is equipped with spring (7) on housing screw (8) of activity piece (5) top.
2. The pressure relief pipe for the coal injection furnace tank according to claim 1, characterized in that: the bottom connecting pipe is characterized in that two ends of a tubular structure horizontally arranged at the lower side of the bottom connecting pipe (1) are respectively provided with a flange plate with a through hole, and the bottom connecting pipe (1) is welded into an integral structure.
3. The pressure relief pipe for the coal injection furnace tank according to claim 1, characterized in that: spring contact (6) are arranged at the upper end and the lower end of the spring (7), the spring contact (6) is sleeved outside the hold-down screw (8), and the two ends of the spring (7) extend into the opening part of the spring contact (6).
4. The pressure relief pipe for the coal injection furnace tank according to claim 1, characterized in that: the diameter of the movable sheet (5) is smaller than the inner diameter of the inner space of the pressure relief piece shell (3).
5. The pressure relief pipe for the coal injection furnace tank according to claim 1, characterized in that: pressure release piece shell (3) top threaded connection has top cap (9), the profile of top cap (9) is the bottle lid shape, the horizontal part of top cap (9) upside is gone up to open has a plurality of groups to be the through-hole that the annular array distributes, top cap (9) upside is opened the through-hole that has the chamfer and is located the spanner socket top of housing screw (8) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922285818.3U CN210974739U (en) | 2019-12-18 | 2019-12-18 | Pressure relief pipe for coal injection furnace tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922285818.3U CN210974739U (en) | 2019-12-18 | 2019-12-18 | Pressure relief pipe for coal injection furnace tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210974739U true CN210974739U (en) | 2020-07-10 |
Family
ID=71457224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922285818.3U Expired - Fee Related CN210974739U (en) | 2019-12-18 | 2019-12-18 | Pressure relief pipe for coal injection furnace tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210974739U (en) |
-
2019
- 2019-12-18 CN CN201922285818.3U patent/CN210974739U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100545366C (en) | A kind of large turn angle ball support | |
| CN204239798U (en) | A kind of high temperature resistant upper-mounting type ball valve | |
| CN201575704U (en) | Novel bolt fastening structure for reduction furnace | |
| CN210974739U (en) | Pressure relief pipe for coal injection furnace tank | |
| CN203823174U (en) | Special explosion-proof valve for heating stove | |
| CN210607343U (en) | Lithium titanate battery cover plate | |
| CN201836388U (en) | Y-shaped seal ring | |
| CN210565956U (en) | Slow return nitrogen spring | |
| CN201031443Y (en) | Large rotary angle ball type bearing support saddle | |
| CN212717750U (en) | Butterfly spring for multi-stage sealing compound valve | |
| CN201284837Y (en) | Sluice valve | |
| CN201159351Y (en) | Welding neck flange especially for wind power nuclear power | |
| CN2454587Y (en) | Inner-tube mouth sealing device of water-storage type electric water heater | |
| CN202812428U (en) | Non-refillable cylinder valve | |
| CN208651086U (en) | A kind of large-scale compressor piston | |
| CN210799688U (en) | High-performance rubber sealing washer | |
| CN217234737U (en) | Threaded sleeve with good sealing performance | |
| CN216952567U (en) | Novel safety valve structure for oil filter | |
| CN217693758U (en) | Pressure ring of submerged arc furnace | |
| CN215568097U (en) | Quick blowoff valve | |
| CN2394041Y (en) | Pneumatic actuator | |
| CN221564125U (en) | Sealing gasket structure with high hollow flexibility | |
| CN203979092U (en) | A kind of anti-loose pad | |
| CN202926279U (en) | Energy-saving environmental-friendly packing box | |
| CN221292834U (en) | High-pressure tire inflation and deflation structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20210607 Granted publication date: 20200710 |
|
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20210922 Granted publication date: 20200710 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200710 Termination date: 20201218 |