CN217821802U - Automatic alarm device for leakage prevention of coal economizer - Google Patents
Automatic alarm device for leakage prevention of coal economizer Download PDFInfo
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- CN217821802U CN217821802U CN202222060430.5U CN202222060430U CN217821802U CN 217821802 U CN217821802 U CN 217821802U CN 202222060430 U CN202222060430 U CN 202222060430U CN 217821802 U CN217821802 U CN 217821802U
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Abstract
The utility model discloses an economizer prevents leaking and uses autoalarm, which comprises a housing, one side of the outer wall of the housing is provided with a sliding groove, the inner wall of the sliding groove is connected with an adjusting lantern ring in a sliding way, the inner wall of the adjusting lantern ring is fixedly connected with a sealing backing plate, one side of the inner wall of the housing is fixedly connected with a clamping plate, the middle part of the clamping plate is provided with an air inlet, and the bottom of the sealing backing plate is provided with an air vent; the utility model discloses the mode that utilizes the air current to blow drives the anti-dazzling screen and rotates, triggers photoelectric switch isotructure and realizes reporting to the police, and holistic connecing unloads transmission structure few, and is little to the loss of air current energy, cooperates sealed backing plate isotructure, gathers the air current of leaking and stays, improves gaseous pressure, and then the impact force when improving gas release for this device can be more stable realization warning trigger.
Description
Technical Field
The utility model relates to a relevant equipment technical field of economizer specifically is an economizer prevents leaking and uses autoalarm.
Background
The economizer is a device which is arranged at the lower part of a flue at the tail part of a boiler and used for recovering the waste heat of discharged smoke, and the economizer is called as the economizer because the economizer absorbs the heat of high-temperature smoke, reduces the smoke discharging temperature of the smoke, saves energy and improves efficiency.
In the use process of the economizer, leakage often occurs due to corrosion, abrasion and the like of ash particles and the like on the steel pipe of the economizer, and the working safety of equipment is affected. Patent document No. CN210804704U discloses an alarm device for coal economizer leakage prevention, which collects leakage gas through a sealed space arranged at an elbow of the coal economizer, and drives a rack to move by using air pressure, so that a gear drives a ram to swing back and forth to impact a ram plate to generate sound to achieve a warning effect. The alarm structure relies on the transmission of a plurality of mechanical structures for alarm triggering, has large loss of airflow energy, and is difficult to realize stable alarm triggering when the gas leakage amount is relatively small.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an economizer prevents leaking uses autoalarm to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above purpose, the utility model provides a following technical scheme:
an automatic alarm device for leakage prevention of a coal economizer comprises a shell, wherein a sliding groove is formed in one side of the outer wall of the shell, an adjusting lantern ring is connected to the inner wall of the sliding groove in a sliding mode, a sealing base plate is fixedly connected to the inner wall of the adjusting lantern ring, a clamping plate is fixedly connected to one side of the inner wall of the shell, an air inlet is formed in the middle of the clamping plate, clamping grooves are formed in two sides of the air inlet, two clamping rods are fixedly connected to one side, close to the clamping plate, of the sealing base plate and are respectively connected with the inner walls of the two clamping grooves in a clamping mode, rubber gaskets are fixedly connected to the end portions of the two clamping rods, the diameter of each rubber gasket is slightly larger than the inner diameter of each clamping groove, and air holes are formed in the bottom of each sealing base plate; the outer wall of the adjusting lantern ring is fixedly connected with a push-pull ring;
the middle part of the inner wall of the shell is rotatably connected with a shading frame, the middle part of the inner wall of the shading frame is fixedly connected with a partition plate, one side of the partition plate is fixedly connected with a shading sheet, one side of the shading sheet is fixedly connected with a balancing weight, and the other side of the partition plate is fixedly connected with a windward sheet; one side fixed mounting of shading frame has photoelectric switch, the one end fixedly connected with warning light that the joint board was kept away from to the casing, warning light and photoelectric switch electric connection.
As a further aspect of the present invention: the other side of the outer wall of the shell is provided with an adjusting groove, the middle part of the inner wall of the adjusting groove is connected with a sealing plate in a sliding mode, the bottom of the inner wall of the adjusting groove is provided with an air outlet, and the inner wall of the air outlet is fixedly connected with a reed.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model utilizes the air flow blowing mode to drive the anti-dazzling screen to rotate, triggers the photoelectric switch and other structures to realize alarming, has less integral connecting and disassembling transmission structure and small loss of air flow energy, is matched with the sealing cushion plate and other structures to accumulate and temporarily retain leaked air flow, improves the gas pressure, further improves the impact force when the gas is released, and can more stably realize alarming triggering; the utility model discloses the air current that utilizes the leakage drives the anti-dazzling screen and rotates, utilizes the anti-dazzling screen to intercept light for the frequent break-make of photoelectric switch drives the warning light scintillation, and gas vent and the reed that the cooperation set up drive the reed vibration sound production at the air current when the reed, and the cooperation warning light has effectively promoted the alarm effect.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
fig. 2 is a perspective view of the present invention;
FIG. 3 is a perspective view of the clamping plate of the present invention;
fig. 4 is a perspective view of the shading frame of the present invention.
In the figure: 1. a housing; 2. a clamping plate; 3. an air inlet; 4. a rubber gasket; 6. adjusting the lantern ring; 7. sealing the base plate; 8. pushing the pull ring; 9. a photoelectric switch; 10. a light-shielding frame; 11. a shading sheet; 12. a closing plate; 13. an exhaust port; 14. a vent hole; 15. a warning light; 16. a clamping and connecting rod.
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.
Referring to fig. 1-4, in an embodiment of the present invention, an automatic alarm device for leakage prevention of a coal economizer includes a housing 1, a sliding groove is formed on one side of an outer wall of the housing 1, an adjusting collar 6 is slidably connected to an inner wall of the sliding groove, a sealing pad 7 is fixedly connected to an inner wall of the adjusting collar 6, a clamping plate 2 is fixedly connected to one side of an inner wall of the housing 1, and an air inlet 3 is formed in a middle portion of the clamping plate 2, when an alarm state is not triggered, one side of the sealing pad 7 is attached to one side of the clamping plate 2, the air inlet 3 is shielded by the sealing pad 7, so that air flow leaked from the coal economizer can be accumulated in a cavity between the clamping plate 2 and a port for a period of time after entering the housing 1, thereby increasing air pressure, further increasing impact force after release, so that the air flow can drive a light shielding frame 10 to rotate and drive a sound reed, realizing alarm, and improving alarm effect by generating two types of alarm;
clamping grooves are formed in the two sides of the air inlet 3, two clamping rods 16 are fixedly connected to one side, close to the clamping plate 2, of the sealing base plate 7, the two clamping rods 16 are respectively clamped and connected with the inner walls of the two clamping grooves, the clamping plate 2 and the sealing base plate 7 are limited by the clamping grooves and the clamping rods 16, and the stability of the sealing base plate 7 in the sliding process is improved;
the end parts of the two clamping rods 16 are fixedly connected with rubber gaskets 4, the diameter of each rubber gasket 4 is slightly larger than the inner diameter of each clamping groove, the length of each clamping rod 16 is met, when the sealing base plate 7 is not attached to the clamping plate 2 in an alarming mode, the rubber gaskets 4 are located on one side, away from the sealing base plate 7, of the clamping plate 2 and attached to the clamping plate 2, the air tightness of the clamping grooves is improved, airflow dispersion is reduced, and the air pressure can be stably improved;
the bottom of the sealing cushion plate 7 is provided with a vent hole 14, one side of the vent hole 14 is opposite to the shading sheet 11, so that air flow discharged by the vent hole 14 can stably blow the shading sheet 11 and the shading frame 10 to rotate;
in order to facilitate the position adjustment of the adjusting lantern ring 6, the outer wall of the adjusting lantern ring 6 is fixedly connected with a push-pull ring 8;
the middle part of the inner wall of the shell 1 is rotatably connected with a shading frame 10, the middle part of the inner wall of the shading frame 10 is fixedly connected with a partition plate, one side of the partition plate is fixedly connected with a shading sheet 11, and the other side of the partition plate is fixedly connected with a windward sheet; a photoelectric switch 9 is fixedly installed on one side of the shading frame 10, in the embodiment, the photoelectric switch 9 is a correlation type photoelectric switch 9, a light emitting source and a light receiver of the photoelectric switch 9 are respectively arranged on the upper and lower sides of the housing 1, a light path of the photoelectric switch is vertical and is positioned on one side of the shading frame 10, and when the shading frame 10 rotates, a shading sheet 11 on the shading frame can block light, so that the photoelectric switch 9 is triggered, and the photoelectric switch 9 is frequently switched on and off; casing 1 keeps away from one end fixedly connected with warning light 15 of joint board 2, and warning light 15 and photoelectric switch 9 electric connection utilize the frequent break-make of photoelectric switch 9, drive the frequent break-make scintillation of warning light 15 to reach the effect of reporting to the police.
In order to align the light-shielding sheet 11 with one side of the vent 14 when the light-shielding sheet 11 is in a static state, one side of the light-shielding sheet 11 is fixedly connected with a balancing weight, and the light-shielding frame 10 is static in a mode that the light-shielding sheet 11 faces downwards through the traction effect of the balancing weight;
the adjustment tank has been seted up to the opposite side of casing 1 outer wall, and the middle part sliding connection of adjustment tank inner wall has closing plate 12, and for making things convenient for the circulation of gas in the casing 1, gas vent 13, the inner wall fixedly connected with reed of gas vent 13 have been seted up to the bottom of adjustment tank inner wall.
When the device is used, a port on one side, close to the clamping pipe, of the device is connected and assembled with an elbow of an economizer pipeline, when leakage occurs, air flow enters the shell 1 and is accumulated in a cavity between the clamping plate 2 and the port, when the air pressure reaches a certain value, the sealing liner plate 7 is pushed and moved by air pressure, the clamping rod 16 and the rubber gasket 4 are driven to be separated from the clamping groove, and then the pushing and pulling ring 8 is driven to move until the sliding plate moves to one end, far away from the clamping plate 2, of the sliding groove, so that the pushing and pulling ring 8 and the sealing liner plate 7 are stopped;
after the sealing cushion plate 7 is separated from the clamping plate 2, airflow passes through the clamping plate 2 through the air inlet 3, is discharged through the vent hole 14, and is blown to the shading frame 10 to drive the shading frame 10 to rotate, and light is shaded by the shading sheet 11, so that the photoelectric switch 9 is frequently switched on and off to drive the warning lamp 15 to flicker, thereby reminding an operator to notice, the airflow is discharged through the air outlet 13 after passing through the shading frame 10, and the airflow discharged from the air outlet 13 drives the reed to vibrate and sound when passing through the reed, so that the warning lamp 15 is matched to achieve the purpose of alarming;
after an operator arrives, the sealing plate 12 capable of sliding shields the exhaust port 13, so that the reed stops sounding, the exhaust pipe is shielded, the flow of air flow in the shell 1 is blocked, the sliding push-pull ring 8 enables the sliding plate to move to one end close to the clamping plate 2, the clamping rod 16 is clamped with the clamping groove, the shading frame 10 stops rotating step by step and is static, the warning lamp 15 stops flashing, and then leakage is processed by workers.
The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.
Claims (6)
1. The automatic alarm device for leakage prevention of the coal economizer is characterized by comprising a shell (1), wherein a sliding groove is formed in one side of the outer wall of the shell (1), an adjusting sleeve ring (6) is connected to the inner wall of the sliding groove in a sliding mode, a sealing base plate (7) is fixedly connected to the inner wall of the adjusting sleeve ring (6), a clamping plate (2) is fixedly connected to one side of the inner wall of the shell (1), an air inlet (3) is formed in the middle of the clamping plate (2), and an air vent (14) is formed in the bottom of the sealing base plate (7);
the middle part of casing (1) inner wall is rotated and is connected with shading frame (10), the middle part fixedly connected with division board of shading frame (10) inner wall, one side fixedly connected with anti-dazzling screen (11) of division board, one side fixed mounting of shading frame (10) has photoelectric switch (9), casing (1) is kept away from one end fixedly connected with warning light (15) of joint board (2).
2. The automatic alarm device for the leakage prevention of the economizer according to claim 1, wherein clamping grooves are formed in both sides of the air inlet (3), two clamping rods (16) are fixedly connected to one side, close to the clamping plate (2), of the sealing pad (7), the two clamping rods (16) are respectively connected with the inner walls of the two clamping grooves in a sliding manner, and a push-pull ring (8) is fixedly connected to the outer wall of the adjusting sleeve ring (6).
3. The economizer leakage-proof automatic alarm device as claimed in claim 1, wherein one side of the light-shielding plate (11) is fixedly connected with a balancing weight, and the other side of the separation plate is fixedly connected with a windward plate.
4. The economizer leakage-proof automatic alarm device as claimed in claim 1, wherein an adjusting groove is formed in the other side of the outer wall of the shell (1), an exhaust port (13) is formed in the bottom of the inner wall of the adjusting groove, and a closing plate (12) is slidably connected to the middle of the inner wall of the adjusting groove.
5. The automatic alarm device for economizer leakage prevention according to claim 4, wherein a reed is fixedly connected to the inner wall of the exhaust port (13).
6. The automatic alarm device for economizer leakage prevention according to claim 2, wherein rubber gaskets (4) are fixedly connected to the end portions of the two clamping rods (16), and the diameter of each rubber gasket (4) is larger than the inner diameter of each clamping groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222060430.5U CN217821802U (en) | 2022-08-06 | 2022-08-06 | Automatic alarm device for leakage prevention of coal economizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222060430.5U CN217821802U (en) | 2022-08-06 | 2022-08-06 | Automatic alarm device for leakage prevention of coal economizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217821802U true CN217821802U (en) | 2022-11-15 |
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ID=83972121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222060430.5U Active CN217821802U (en) | 2022-08-06 | 2022-08-06 | Automatic alarm device for leakage prevention of coal economizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217821802U (en) |
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2022
- 2022-08-06 CN CN202222060430.5U patent/CN217821802U/en active Active
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