CN218154174U

CN218154174U - Pressure regulating device of steam boiler

Info

Publication number: CN218154174U
Application number: CN202222537830.0U
Authority: CN
Inventors: 冯雪莲
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2022-12-27
Anticipated expiration: 2032-09-23

Abstract

The utility model discloses a steam boiler's pressure regulating device, include: the pressure cylinder, the base is installed to the bottom of pressure cylinder, and the bottom of base is provided with the sealing washer, the pressure detection sensor is all installed to the lower extreme of pressure cylinder both sides, and the top of pressure cylinder rotates through the bolt and is connected with the top cap, the vapour discharge pipe is all installed to the both sides on top cap top, and the intermediate position department on the inside top of top cap installs servo motor, the lead screw is installed to servo motor's output, and the outer wall rotation of lead screw is connected with the sleeve. The utility model discloses the accessible surpasss when the pressure value that sets up in advance, the work of external controller control servo motor and according to the distance that the pressure value control activity dish of pressure detection sensor rose to make sealing member and lower sealing plate all break away from first pressure release hole and second pressure release hole with vapour discharge, finally make vapour exit velocity obtain adjusting, thereby solved inconvenient problem to the controllable regulation of pressure.

Description

Pressure regulating device of steam boiler

Technical Field

The utility model relates to a boiler pressure adjustment technical field specifically is a steam boiler's pressure regulating device.

Background

In industrial production, a steam boiler is often used, and high-temperature and high-pressure gas is generally used in the steam boiler, and during use and maintenance, the safety requirement of the steam boiler is extremely high in the actual use process, so that the internal air pressure of the boiler must be monitored to prevent the internal air pressure from being too high to trigger an alarm to influence production.

And present steam boiler when using, its top can be provided with pressure measurement, and when pressure exceeded certain limit, will send out the police dispatch newspaper and remind the staff to carry out the pressure release and handle, and also some devices can realize automatic pressure release nowadays, but often the speed of pressure release is not convenient for carry out certain regulation, and inconvenient according to the pressure of reality carries out synchro control.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pressure regulating device of steam boiler to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a pressure regulating device of a steam boiler, comprising: the pressure cylinder, the base is installed to the bottom of pressure cylinder, and the bottom of base is provided with the sealing washer, the pressure detection sensor is all installed to the lower extreme of pressure cylinder both sides, and the top of pressure cylinder rotates through the bolt and is connected with the top cap, the vapour discharge pipe is all installed to the both sides on top cap top, and the intermediate position department on the inside top of top cap installs servo motor, the lead screw is installed to servo motor's output, and the outer wall of lead screw rotates and is connected with the sleeve, the dead lever is installed to telescopic both sides, and the bottom of dead lever installs the activity dish, the sealing member is installed to the bottom of activity dish, and all seted up the air vent all around the activity dish, the pressure cylinder internally mounted of activity dish below has the fixed disk, and the intermediate position department of fixed disk has seted up first pressure release hole.

As a further aspect of the present invention: and a sealing disc is installed at the top end inside the top cover, and the sealing disc is tightly attached to the inner wall of the pressure cylinder.

As a further aspect of the present invention: the upper end of pressure cylinder outer wall both sides all rotates and is connected with the bull stick, and the limiting plate is installed on the top of bull stick, the bottom and the top cap top of limiting plate are pasted and are leveled.

As a further aspect of the present invention: the bottom of fixed disk is installed a sealed section of thick bamboo, and the intermediate position department of sealed bobbin bottom has seted up the second pressure release hole, the connecting rod is installed to the sealing member bottom of sealed section of thick bamboo top, and the bottom of connecting rod installs down the sealing dish.

As a further aspect of the present invention: the shape of first pressure release hole and sealing member is round platform shape, and the diameter of first pressure release hole top and bottom all is less than the diameter of sealing member top and bottom.

As a further aspect of the present invention: the movable disc is in sliding connection with the inner wall of the pressure cylinder, and the outer wall of the movable disc is tightly attached to the inner wall of the pressure cylinder.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this steam boiler's pressure adjusting device, through when pressure surpassed the pressure value that sets up in advance, the distance that the movable dish rose is controlled according to pressure detection sensor's pressure value to external controller control servo motor work to make sealing member and lower sealing disc all break away from first pressure release hole and second pressure release hole and discharge vapour, finally make vapour exhaust velocity obtain adjusting, thereby solved inconvenient problem to the controllable regulation of pressure.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic view of the front view cross-sectional structure of the present invention.

Fig. 3 is a schematic view of the three-dimensional structure of the movable plate of the present invention.

Fig. 4 is a schematic perspective view of the fixing plate of the present invention.

In the figure: 1. a top cover; 2. a pressure cylinder; 3. a pressure detection sensor; 4. a base; 5. a limiting plate; 6. a vapor discharge pipe; 7. fixing the disc; 8. a first pressure relief vent; 9. a sealing cylinder; 10. a seal ring; 11. a movable tray; 12. a rotating rod; 13. a screw rod; 14. a servo motor; 15. a sleeve; 16. sealing the disc; 17. a vent hole; 18. a connecting rod; 19. a lower sealing disc; 20. a seal member; 21. fixing the rod; 22. a second pressure relief vent.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 to 4, a pressure regulating apparatus of a steam boiler in the present embodiment includes: pressure cylinder 2, base 4 is installed to the bottom of pressure cylinder 2, and the bottom of base 4 is provided with sealing washer 10, pressure detection sensor 3 is all installed to the lower extreme of 2 both sides of pressure cylinder, and the top of pressure cylinder 2 is rotated through the bolt and is connected with top cap 1, vapour discharge pipe 6 is all installed to the both sides on 1 top of top cap, and the intermediate position department on the inside top of top cap 1 installs servo motor 14, lead screw 13 is installed to servo motor 14's output, and the outer wall of lead screw 13 rotates and is connected with sleeve 15, dead lever 21 is installed to sleeve 15's both sides, and movable disc 11 is installed to the bottom of dead lever 21, sealing member 20 is installed to the bottom of movable disc 11, and all seted up air vent 17 around

movable disc

11, 2 internally mounted of pressure cylinder of movable disc 11 below has fixed disk 7, and the intermediate position department of fixed disk 7 has seted up first pressure release hole 8.

In this embodiment, as shown in fig. 2, a seal disk 16 is mounted on the top end of the inside of the top cap 1, and the seal disk 16 is tightly attached to the inner wall of the pressure tube 2.

It should be noted that the sealing disc 16 is tightly fitted to the inner wall of the pressure cylinder 2, so that a good sealing performance is obtained.

As shown in fig. 1 and fig. 2, in this embodiment, the upper ends of the two sides of the outer wall of the pressure cylinder 2 are rotatably connected with the rotating rod 12, the top end of the rotating rod 12 is provided with the limiting plate 5, and the bottom end of the limiting plate 5 is aligned with the top end of the top cover 1.

It should be noted that, because the bottom of limiting plate 5 is flush with the top of top cap 1, be convenient for rotate bull stick 12 and make limiting plate 5 press at top of top cap 1 spacing, avoid top cap 1 not hard up.

As shown in fig. 2, fig. 3 and fig. 4, in this embodiment, the bottom end of the fixing plate 7 is provided with the sealing cylinder 9, a second pressure relief hole 22 is formed in the middle of the bottom end of the sealing cylinder 9, the bottom end of the sealing element 20 above the sealing cylinder 9 is provided with the connecting rod 18, and the bottom end of the connecting rod 18 is provided with the lower sealing plate 19.

It should be noted that the second pressure relief hole 22 is closed by the lower seal disc 19, thereby improving the sealing performance thereof.

As shown in fig. 2, in the present embodiment, the first pressure relief hole 8 and the sealing member 20 are shaped like a truncated cone, and the diameters of the top end and the bottom end of the first pressure relief hole 8 are smaller than the diameters of the top end and the bottom end of the sealing member 20.

It should be noted that, because the diameters of the top end and the bottom end of the first pressure relief hole 8 are smaller than the diameters of the top end and the bottom end of the sealing element 20, a good seal is facilitated.

As shown in fig. 2, in the present embodiment, the movable disk 11 forms a sliding connection on the inner wall of the pressure cylinder 2, and the outer wall of the movable disk 11 is tightly attached to the inner wall of the pressure cylinder 2.

It should be noted that, the movable disk 11 forms a sliding connection on the inner wall of the pressure cylinder 2, so that the movement track of the movable disk is convenient to position.

It can be understood that the pressure regulating device of the steam boiler can correspondingly control pressure relief according to the numerical value monitored by the pressure detection sensor 3, regulate the pressure relief speed and simultaneously ensure good sealing performance.

The working principle of the embodiment is as follows:

install this pressure regulating device on steam boiler at first, then install top cap 1 on 2 tops of pressure cylinder, carry out certain sealed through sealed dish 16, then rotate bull stick 12 and make limiting plate 5 press at top cap 1 top spacing, rethread pressure detection sensor 3 detects the inside pressure of steam boiler, when pressure surpassed the pressure value that sets up in advance, external controller control servo motor 14 work drives lead screw 13 and rotates, thereby it makes movable disc 11 upwards move to drive sleeve 15 cooperation dead lever 21, sealing member 20 and lower seal disc 19 all break away from first pressure release hole 8 and second pressure release hole 22 this moment, simultaneously according to the distance that pressure value control movable disc 11 rose of pressure detection sensor 3, make vapour loop through second pressure release hole 22, first pressure release hole 8, air vent 17 and dead lever 21 are discharged, until the atmospheric pressure value resumes safety range, final vapour is discharged and gets into and preheats the recovery flow.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims

1. A pressure regulating device of a steam boiler, comprising: pressure cylinder (2), its characterized in that: base (4) are installed to the bottom of pressure tube (2), and the bottom of base (4) is provided with sealing washer (10), pressure detection sensor (3) are all installed to the lower extreme of pressure tube (2) both sides, and the top of pressure tube (2) is rotated through the bolt and is connected with top cap (1), steam discharge pipe (6) are all installed to the both sides on top cap (1) top, and the intermediate position department on the inside top of top cap (1) installs servo motor (14), lead screw (13) are installed to the output of servo motor (14), and the outer wall of lead screw (13) rotates and is connected with sleeve (15), dead lever (21) are installed to the both sides of sleeve (15), and the bottom of dead lever (21) installs activity dish (11), sealing member (20) are installed to the bottom of activity dish (11), and all seted up air vent (17) around activity dish (11), pressure tube (2) internally mounted of activity dish (11) below has fixed disk (7), and the intermediate position department of fixed disk (7) has seted up first pressure release (8).

2. A pressure regulating device of a steam boiler according to claim 1, characterized in that: sealing disc (16) are installed on the top of top cap (1) inside, and the inner wall of sealing disc (16) and pressure cylinder (2) is closely laminated.

3. A pressure regulating device of a steam boiler according to claim 1, characterized in that: the upper end of pressure cylinder (2) outer wall both sides all rotates and is connected with bull stick (12), and limiting plate (5) are installed on the top of bull stick (12), the bottom and top cap (1) top of limiting plate (5) are pasted mutually and are leveled.

4. A pressure regulating device of a steam boiler according to claim 1, characterized in that: a sealing cylinder (9) is installed at the bottom end of the fixed disc (7), a second pressure relief hole (22) is formed in the middle position of the bottom end of the sealing cylinder (9), a connecting rod (18) is installed at the bottom end of a sealing piece (20) above the sealing cylinder (9), and a lower sealing disc (19) is installed at the bottom end of the connecting rod (18).

5. A pressure regulating device of a steam boiler according to claim 1, characterized in that: the shapes of the first pressure relief hole (8) and the sealing element (20) are truncated cone shapes, and the diameters of the top end and the bottom end of the first pressure relief hole (8) are smaller than those of the top end and the bottom end of the sealing element (20).

6. A pressure regulating device of a steam boiler according to claim 1, characterized in that: the movable disc (11) is in sliding connection with the inner wall of the pressure cylinder (2), and the outer wall of the movable disc (11) is tightly attached to the inner wall of the pressure cylinder (2).