CN218493403U - Hydraulic shutoff door for slag discharge port of boiler - Google Patents
Hydraulic shutoff door for slag discharge port of boiler Download PDFInfo
- Publication number
- CN218493403U CN218493403U CN202222458606.2U CN202222458606U CN218493403U CN 218493403 U CN218493403 U CN 218493403U CN 202222458606 U CN202222458606 U CN 202222458606U CN 218493403 U CN218493403 U CN 218493403U
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- door
- reversing gear
- piston cylinder
- turn
- 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.)
- Active
Links
Images
Landscapes
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The utility model discloses a boiler is hydraulic pressure turn-off door for slagging tap, including the scum pipe, the bottom symmetry of scum pipe is rotated and is connected with the turn-off door, and the turn-off door rotates through rotating bracket and scum pipe both sides and is connected. The utility model discloses, through the air inlet with the air injection piston cylinder in, make the piston remove the below of piston cylinder, when flexible through hydraulic pressure oil pipe control hydraulic stem, the hydraulic stem drives the turn-off door and rotates, the turn-off door carries out synchronous rotation through link gear, the hydraulic pressure oil pipe internal pressure that can lead to certain hydraulic stem is too big, this moment, the intraductal hydraulic oil of hydraulic oil passes through the shunt tubes and gets into inside the piston cylinder, make the inside air compression of piston cylinder above the piston, after the turn-off door rotates and accomplishes, the piston receives air pressure and pushes back hydraulic pressure oil pipe with hydraulic oil, can carry out the partial pressure to hydraulic pressure oil pipe through the piston cylinder, make the turn-off door can be in synchronous pivoted, avoid the too big damage that leads to of certain hydraulic stem pressure, make the turn-off door can rotate in step, avoid the turn-off door card to die.
Description
Technical Field
The utility model relates to a hydraulic pressure shut-off door technical field specifically is a boiler is hydraulic pressure shut-off door for slagging tap.
Background
The hydraulic shutoff door is installed at the deslagging port at the bottom of the boiler, the main function of the hydraulic shutoff door is that when the slag salvaging machine at the bottom of the boiler breaks down or the water seal is lost, the hydraulic shutoff door can be reliably closed, the slag is temporarily stored at the bottom of the boiler through the effective volume formed by the slag discharge port, the slag discharge quantity of the boiler for burning designed coal for full-load operation for 4-8 hours can be normally borne, the accident that the boiler has to be shut down due to the long-time failure of the slag salvaging machine at the bottom of the boiler is avoided, when the situation occurs, the hydraulic shutoff door is closed, a hearth is sealed as much as possible, a large amount of air leakage is reduced, and the safe operation of the boiler is ensured.
When using, the hydraulic rod that current hydraulic pressure shutoff door set up through two symmetries drives the shutoff door and opens or close, nevertheless because two shutoff door junctions are for detaining each other and connect, and the hydraulic rod is unable synchronous flexible totally, leads to the shutoff door when opening or closing, can lead to the card to die because of unable complete linkage, inconvenient use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a boiler is hydraulic pressure turn-off door for slagging tap has solved current hydraulic pressure turn-off door when using, and the hydraulic stem that sets up through two symmetries drives the turn-off door and opens or closed, nevertheless because two turn-off door junctions are each other detains the connection, and the hydraulic stem can't be synchronous flexible completely, lead to the turn-off door opening or when closed, can lead to the card to die because of unable complete linkage, the problem of inconvenient use.
In order to achieve the above object, the utility model provides a following technical scheme: a hydraulic shutoff door for a boiler deslagging port comprises a deslagging pipe, the bottom end of the deslagging pipe is symmetrically and rotatably connected with shutoff doors, the shutoff doors are rotatably connected with the two sides of the deslagging pipe through rotating supports, wherein,
hydraulic rod supports are symmetrically fixed on two sides of the slag discharging pipe close to the lower part, one side of each hydraulic rod support close to the bottom end is rotatably connected with a hydraulic rod, the other end of each hydraulic rod is rotatably connected with the bottom of a turn-off door, the turn-off doors are in transmission connection through a linkage mechanism, and a piston cylinder is installed on one side of the slag discharging pipe close to the upper part of the hydraulic rod supports;
the hydraulic cylinder is characterized in that a piston is arranged inside the piston cylinder, one side, close to the hydraulic rod support, of the hydraulic rod is communicated with a hydraulic oil pipe, one side, close to the lower portion, of the piston cylinder is communicated with the hydraulic oil pipe through a flow dividing pipe, one side, close to the upper portion, of the piston cylinder is provided with an air inlet, and a check valve is installed in the air inlet.
Preferably, the shutoff gate is semicircular, and the outer diameter of the shutoff gate is larger than the inner diameter of the slag discharge pipe.
Preferably, the linkage mechanism comprises a first reversing gear, a first reversing gear is fixed at the end part of the rotating support, a rotating shaft penetrates through the inner part of the slag discharging pipe corresponding to the first reversing gear, and a second reversing gear is fixed at the end part of the rotating shaft corresponding to the first reversing gear.
Preferably, the first reversing gear and the second reversing gear are perpendicular to each other, and the first reversing gear is meshed with the second reversing gear.
Preferably, the check valve is communicated in a one-way mode from the outer diameter to the direction of the piston cylinder.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses, when the shutoff door that is located boiler slag discharge mouth at the during operation, through the air inlet with air injection piston cylinder in, make the piston remove the below of piston cylinder, when flexible through hydraulic pressure oil pipe control hydraulic stem, the hydraulic stem drives the shutoff door and rotates, the shutoff door carries out synchronous rotation through link gear, the hydraulic pressure oil pipe internal pressure that can lead to certain hydraulic stem is too big, this moment, hydraulic oil in the hydraulic oil pipe gets into inside the piston cylinder through the shunt tubes, make the inside air compression of piston cylinder above the piston, when the shutoff door rotates and accomplishes the back, the piston receives air pressure and pushes back hydraulic pressure oil pipe with hydraulic oil, can carry out the partial pressure to hydraulic pressure oil pipe through the piston cylinder, make the shutoff door can be in synchronous rotation, avoid the too big damage that leads to of certain hydraulic stem pressure, make shutoff door can synchronous rotation, avoid shutoff door card dead.
2. The utility model discloses, when being located the turn-off door of boiler slag notch and rotating, turn-off door drives the synchronous rotation of second reversing gear through first reversing gear, and second reversing gear drives the second reversing gear rotation of the other end through the pivot, and second reversing gear drives another turn-off door's first reversing gear rotation through the meshing, through the link gear who sets up, can make two turn-off door synchronous rotations.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of the three-dimensional structure of the shutoff door of the present invention;
fig. 3 is a schematic view of a part of an enlarged structure at a in fig. 1 according to the present invention.
In the figure: 1. a slag discharge pipe; 2. the gate is turned off; 3. rotating the bracket; 4. a hydraulic rod support; 5. a hydraulic lever; 6. a first reversing gear; 7. a rotating shaft; 8. a second reversing gear; 9. a piston cylinder; 10. a piston; 11. a hydraulic oil pipe; 12. a shunt tube; 13. an air inlet; 14. a one-way valve.
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 embodiment is as follows:
referring to fig. 1 to 3, the present invention provides a technical solution: a hydraulic shutoff door for a boiler deslagging port comprises a deslagging pipe 1, shutoff doors 2 are symmetrically and rotatably connected with the bottom end of the deslagging pipe 1, the shutoff doors 2 are rotatably connected with two sides of the deslagging pipe 1 through a rotating bracket 3, wherein,
two sides of the slag discharging pipe 1 close to the lower part are symmetrically fixed with hydraulic rod supports 4, one side of each hydraulic rod support 4 close to the bottom end is rotatably connected with a hydraulic rod 5, the other end of each hydraulic rod 5 is rotatably connected with the bottom of each shutoff door 2, the shutoff doors 2 are in transmission connection through a linkage mechanism, and one side of the slag discharging pipe 1 close to the upper part of each hydraulic rod support 4 is provided with a piston cylinder 9;
a piston 10 is arranged in the piston cylinder 9, one side of the hydraulic rod 5, which is close to the hydraulic rod support 4, is communicated with a hydraulic oil pipe 11, one side of the piston cylinder 9, which is close to the lower part, is communicated with the hydraulic oil pipe 11 through a shunt pipe 12, one side of the piston cylinder 9, which is close to the upper part, is provided with an air inlet 13, and a check valve 14 is arranged in the air inlet 13; air is injected into the piston cylinder 9 through the air inlet 13, the piston 10 is moved to the lower part of the piston cylinder 9, when the hydraulic oil pipe 11 is used for controlling the hydraulic rod 5 to stretch, the hydraulic rod 5 drives the shutoff door 2 to rotate, the shutoff door 2 synchronously rotates through the linkage mechanism, the pressure in the hydraulic oil pipe 11 of a certain hydraulic rod 5 is overlarge, at the moment, the hydraulic oil in the hydraulic oil pipe 11 enters the piston cylinder 9 through the shunt pipe 12, the air in the piston cylinder 9 above the piston 10 is compressed, after the shutoff door 2 rotates, the piston 10 is pushed back to the hydraulic oil pipe 11 by the air pressure, the hydraulic oil pipe 11 can be subjected to partial pressure through the piston cylinder 9, the shutoff door 2 can synchronously rotate, the damage caused by the overlarge pressure of the certain hydraulic rod 5 is avoided, the shutoff door 2 can synchronously rotate, and the shutoff door 2 is prevented from being blocked.
Referring to fig. 1 to 3, the shutoff door 2 is semicircular, the outer diameter of the shutoff door 2 is larger than the inner diameter of the slag discharge pipe 1, the linkage mechanism includes a first reversing gear 6, the end of the rotating bracket 3 is fixed with the first reversing gear 6, a rotating shaft 7 penetrates through the slag discharge pipe 1 corresponding to the first reversing gear 6, and the end of the rotating shaft 7 corresponding to the first reversing gear 6 is fixed with a second reversing gear 8.
Referring to fig. 1 to 3, the first reversing gear 6 is perpendicular to the second reversing gear 8, the first reversing gear 6 is engaged with the second reversing gear 8, when the shutdown door 2 rotates, the shutdown door 2 drives the second reversing gear 8 to synchronously rotate through the first reversing gear 6, the second reversing gear 8 drives the second reversing gear 8 at the other end to rotate through the rotating shaft 7, the second reversing gear 8 drives the first reversing gear 6 of the other shutdown door 2 to rotate through engagement, the two shutdown doors 2 can synchronously rotate through the set linkage mechanism, and the check valve 14 is in one-way circulation from the outer diameter to the piston cylinder 9.
The working principle is as follows: the utility model provides a boiler is hydraulic pressure shut-off door for cinder notch, inject air into piston cylinder 9 through air inlet 13, make piston 10 move the below of piston cylinder 9, when controlling hydraulic stem 5 flexible through hydraulic pressure oil pipe 11, hydraulic stem 5 drives shut-off door 2 and rotates, shut-off door 2 carries out synchronous rotation through the link gear, can lead to the hydraulic pressure oil pipe 11 internal pressure of certain hydraulic stem 5 too big, at this moment, hydraulic oil gets into inside the piston cylinder 9 through shunt tubes 12 in the hydraulic pressure oil pipe 11, make the inside air compression of piston cylinder 9 above piston 10, after shut-off door 2 rotates, piston 10 receives air pressure to push hydraulic oil back hydraulic pressure oil pipe 11, can carry out the partial pressure to hydraulic pressure oil pipe 11 through piston cylinder 9, make shut-off door 2 can be when synchronous rotation, avoid certain hydraulic stem 5 pressure too big to lead to the damage, make shut-off door 2 can synchronous rotation, avoid shut-off door 2 card to die, and when shut-off door 2 rotates, shut-off door 2 drives second reversing gear 8 synchronous rotation through first reversing gear 6, second reversing gear 8 drives the rotation of the other end through pivot 7, second reversing gear 8, it can make another turn-off door 2 rotate through the synchronous setting, the linkage of second reversing gear, it can make two reversing gear, it rotate through the synchronous rotation of the linkage of turn-off door.
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 (5)
1. The utility model provides a boiler is hydraulic pressure shut-off door for slagging tap, includes slag discharge pipe (1), its characterized in that: the bottom end of the slag discharging pipe (1) is symmetrically and rotatably connected with a shutoff door (2), the shutoff door (2) is rotatably connected with the two sides of the slag discharging pipe (1) through a rotating bracket (3), wherein,
hydraulic rod supports (4) are symmetrically fixed on two sides of the slag discharging pipe (1) close to the lower part, one side of each hydraulic rod support (4) close to the bottom end is rotatably connected with a hydraulic rod (5), the other end of each hydraulic rod (5) is rotatably connected with the bottom of each shutoff door (2), the shutoff doors (2) are in transmission connection through a linkage mechanism, and a piston cylinder (9) is installed on one side of the slag discharging pipe (1) close to the upper part of each hydraulic rod support (4);
the inside of piston cylinder (9) is provided with piston (10), hydraulic stem (5) are close to hydraulic stem support (4) one side intercommunication and have hydraulic pressure oil pipe (11), piston cylinder (9) are close to below one side and are linked together through shunt tubes (12) and hydraulic pressure oil pipe (11), air inlet (13) have been seted up to piston cylinder (9) one side of being close to the top, install check valve (14) in air inlet (13).
2. The hydraulic shutoff door for the boiler deslagging port according to claim 1, characterized in that: the shutoff door (2) is semicircular, and the outer diameter of the shutoff door (2) is larger than the inner diameter of the slag discharge pipe (1).
3. The hydraulic shutoff door for the boiler deslagging port of claim 1, wherein: the link gear includes first reversing gear (6), the end fixing that rotates support (3) has first reversing gear (6), the inside that slag pipe (1) corresponds first reversing gear (6) is run through and is had pivot (7), the end fixing that pivot (7) correspond first reversing gear (6) has second reversing gear (8).
4. The hydraulic shutoff door for the boiler deslagging port of claim 3, wherein: the first reversing gear (6) and the second reversing gear (8) are perpendicular to each other, and the first reversing gear (6) is meshed with the second reversing gear (8).
5. The hydraulic shutoff door for the boiler deslagging port according to claim 1, characterized in that: the check valve (14) is communicated in a one-way mode from the outer diameter to the direction of the piston cylinder (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222458606.2U CN218493403U (en) | 2022-09-16 | 2022-09-16 | Hydraulic shutoff door for slag discharge port of boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222458606.2U CN218493403U (en) | 2022-09-16 | 2022-09-16 | Hydraulic shutoff door for slag discharge port of boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218493403U true CN218493403U (en) | 2023-02-17 |
Family
ID=85190731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222458606.2U Active CN218493403U (en) | 2022-09-16 | 2022-09-16 | Hydraulic shutoff door for slag discharge port of boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218493403U (en) |
-
2022
- 2022-09-16 CN CN202222458606.2U patent/CN218493403U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN218493403U (en) | Hydraulic shutoff door for slag discharge port of boiler | |
| WO2011134272A1 (en) | Eccentric plate valve having slowly-closing and nonreturn function | |
| CN211039815U (en) | Check valve with drainage device | |
| CN103486317A (en) | Weighted hydraulic control butterfly valve | |
| CN208935532U (en) | Gas-fired valve with diffusion function | |
| CN114877100A (en) | Valve for double-sealing petroleum pipeline | |
| CN210531728U (en) | Gas combustion valve with diffusion function | |
| CN203906734U (en) | Pump truck rotation speed reduction module and concrete pump truck | |
| CN206754022U (en) | A kind of device for preventing discharging valve for top of blast furnace hydraulic cylinder and pipeline evacuation | |
| CN215806415U (en) | Anti-leakage full-bore flange ball valve | |
| CN215763458U (en) | Rotary water seal valve | |
| CN218001507U (en) | RTO emergency stop control system | |
| CN221482173U (en) | Ammonia compressor pressure relief device with interface seal structure | |
| CN221017918U (en) | CNG loading and unloading arm safety protection device | |
| CN217153000U (en) | Can improve closed blind plate valve for steel mill of leakproofness | |
| CN219280635U (en) | Gate opening and closing device | |
| CN219388125U (en) | Automatic monitoring device of pneumatic diaphragm pump | |
| CN213574770U (en) | Low pressure pump return flow exhaust apparatus | |
| CN113338401B (en) | Building drainage is with increasing row structure | |
| CN217714126U (en) | Pipeline plugging device | |
| CN221780012U (en) | Leakage-proof electric butterfly valve | |
| CN221958162U (en) | Emergency oil discharge valve for hydropower station | |
| CN220930274U (en) | Double-check backflow preventer convenient for water drainage | |
| CN213145390U (en) | Butt welding type metal sealing butterfly valve | |
| CN221375409U (en) | Automatic control pure water equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |