CN213872666U

CN213872666U - Pressure detection device for steam boiler

Info

Publication number: CN213872666U
Application number: CN202023069364.5U
Authority: CN
Inventors: 姬麦德; 李瑞常; 刘金成
Original assignee: Taikang Jintai Boiler Co ltd
Current assignee: Taikang Jintai Boiler Co ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-08-03
Anticipated expiration: 2030-12-18

Abstract

The utility model discloses a pressure measurement for steam boiler, including boiler, three-way pipe and barrel, the inside sliding connection of barrel has first piston, fixedly connected with pressure relief mechanism on the barrel, pressure relief mechanism includes connecting cylinder and threaded sleeve, connecting cylinder fixed connection be in on the barrel, the inside sliding connection of connecting cylinder has the second piston, threaded sleeve inlays the top of connecting cylinder, threaded sleeve's inside threaded connection has the screw rod, the bottom fixedly connected with bottom plate of screw rod, the through-hole has been seted up on the second piston, the pressure release hole has been seted up on the connecting cylinder, the second piston with be equipped with the second spring between the interior roof of connecting cylinder. The utility model has the advantages that: the pressure can push the second piston to move upwards in a mode of compressing the second spring, so that the screw rod is opened to enable the pressure inside the boiler to be discharged through the pressure relief hole, and safety accidents caused by overlarge internal pressure of the boiler are prevented.

Description

Pressure detection device for steam boiler

Technical Field

The utility model relates to a boiler technical field, especially a pressure measurement for steam boiler.

Background

The boiler is an energy conversion device, the energy input to the boiler is in the forms of chemical energy, electric energy, heat energy of high-temperature flue gas and the like in fuel, steam, high-temperature water or an organic heat carrier with certain heat energy is output outwards through the conversion of the boiler, the hot water or the steam generated in the boiler can directly provide the required heat energy for industrial production and people life, and can also be converted into mechanical energy through a steam power device, or the mechanical energy is converted into the electric energy through a generator.

The existing boiler detection device is single in structure, mostly lacks of a pressure relief mechanism, when the internal pressure of a boiler is too large, the connection part of the detection device and the boiler is damaged due to high pressure, the use of the device is influenced, a safety accident can be caused under severe conditions, and the pressure detection device for the steam boiler is provided for solving the technical problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome prior art's shortcoming, provide a pressure measurement for steam boiler.

The purpose of the utility model is realized through the following technical scheme: the utility model provides a pressure measurement for steam boiler, includes boiler, three-way pipe and barrel, the inside sliding connection of barrel has first piston, fixedly connected with pressure relief mechanism on the barrel, pressure relief mechanism includes connecting cylinder and threaded sleeve, connecting cylinder fixed connection be in on the barrel, the inside sliding connection of connecting cylinder has the second piston, threaded sleeve inlays the top of connecting cylinder, threaded sleeve's internal thread is connected with the screw rod, the bottom fixedly connected with bottom plate of screw rod, the through-hole has been seted up on the second piston, the pressure release hole has been seted up on the connecting cylinder, the second piston with be equipped with the second spring between the interior roof of connecting cylinder, the aperture value of through-hole is greater than the diameter value of screw rod.

The boiler is characterized in that a detection pipe is fixedly connected to the boiler, the detection pipe is communicated with the barrel through the three-way pipe, and an electromagnetic valve is fixedly connected to the three-way pipe.

The screw rod is arranged in the through hole, and the second piston is arranged on the bottom plate.

The technical scheme is that a baffle is installed at one end of the cylinder, a first spring is arranged between the first piston and the baffle, a check block is fixedly connected inside the cylinder, and the check block is arranged on one side face, far away from the first spring, of the first piston.

According to a further technical scheme, a pressure sensor is fixedly connected to one side face of the baffle, a pressure detection meter is fixedly connected to the three-way pipe, an alarm lamp is fixedly connected to one side face, far away from the pressure sensor, of the baffle, and the pressure detection meter, the pressure sensor and the alarm lamp are all electrically connected with external control equipment.

A hand wheel is fixedly connected to the top of the screw rod.

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

1. the utility model discloses the boiler is linked together through the three-way pipe with the barrel, treat that first piston receives when certain pressure, first piston can be promoted by pressure and remove right, when first piston removes pressure relief mechanism's opening part, pressure can promote second piston upward movement with the form of compression second spring, thereby it lets the inside pressure of boiler let out through the pressure release hole to open the screw rod, prevent that the boiler from arousing the incident because of internal pressure is too big, drive bottom plate and second piston upward movement through rotating the through-hole, adjust the compressive capacity of second spring, because the elasticity characteristic of second spring, make the second piston receive great pressure just can be jacked, adjust pressure relief mechanism's pressure release value, so that the boiler of the multiple specification of cooperation is used.

2. The utility model discloses a solenoid valve comes the inside current pressure value of real-time supervision boiler, when first piston received the pressure value less, kick-back through first spring drives first piston removal fast and resets, come to play the effect that blocks to first piston through setting up the dog, when pressure release mechanism breaks down or pressure is great, make the quick opening pressure detection table of external controlgear carry out the pressure release through first piston extrusion pressure sensor, the warning lamp lights and reminds the staff, be convenient for drive screw to rotate through setting up the hand wheel.

Drawings

Fig. 1 is a schematic view of the cylinder structure of the present invention.

Fig. 2 is an enlarged schematic view of fig. 1A according to the present invention.

In the figure, 1, a boiler; 2. a detection tube; 3. a three-way pipe; 301. a pressure detection meter; 302. an electromagnetic valve; 4. a barrel; 5. a stopper; 6. a first piston; 7. a baffle plate; 8. a first spring; 9. a pressure relief mechanism; 901. a connecting cylinder; 902. a second piston; 903. a screw; 904. a base plate; 905. a through hole; 906. a pressure relief vent; 907. a second spring; 908. a threaded bushing; 10. a pressure sensor; 11. an alarm lamp.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which the products of the present invention are conventionally placed in use, or the position or positional relationship which the skilled person conventionally understand, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the reference is made must have a specific position, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to an embodiment shown in fig. 1-2, a pressure detecting device for a steam boiler comprises a boiler 1, a three-way pipe 3 and a barrel 4, wherein a detecting pipe 2 is fixedly connected to the boiler 1, the detecting pipe 2 is communicated with the barrel 4 through the three-way pipe 3, an electromagnetic valve 302 is fixedly connected to the three-way pipe 3, the current pressure value inside the boiler 1 is monitored in real time through the electromagnetic valve 302, a first piston 6 is slidably connected to the inside of the barrel 4, a baffle 7 is installed at one end of the barrel 4, a first spring 8 is arranged between the first piston 6 and the baffle 7, a stopper 5 is fixedly connected to the inside of the barrel 4, the stopper 5 is arranged on one side surface of the first piston 6 far away from the first spring 8, when the first piston 6 receives a small pressure value, the first piston 6 is rapidly driven to move and reset through the resilience of the first spring 8, and the stopper 5 is arranged to have a stopping effect on the first piston 6, a side fixedly connected with pressure sensor 10 of baffle 7, fixedly connected with pressure detection table 301 on the three-way pipe 3, baffle 7 keeps away from pressure sensor 10's a side fixedly connected with alarm lamp 11, pressure detection table 301, pressure sensor 10 and alarm lamp 11 all are connected with external controlgear electricity, when pressure release mechanism 9 breaks down or pressure is great, make the quick opening pressure detection table 301 of external controlgear carry out the pressure release through 6 extrusion pressure sensor 10 of first piston, alarm lamp 11 lights and reminds the staff.

Fixedly connected with pressure release mechanism 9 on barrel 4, pressure release mechanism 9 includes connecting cylinder 901 and threaded sleeve 908, connecting cylinder 901 fixed connection is on barrel 4, the inside sliding connection of connecting cylinder 901 has second piston 902, threaded sleeve 908 inlays the top at connecting cylinder 901, the inside threaded connection of threaded sleeve 908 has screw rod 903, the bottom fixedly connected with bottom plate 904 of screw rod 903, through-hole 905 has been seted up on the second piston 902, pressure release hole 906 has been seted up on connecting cylinder 901, be equipped with second spring 907 between the interior roof of second piston 902 and connecting cylinder 901, the aperture value of through-hole 905 is greater than the diameter value of screw rod 903, screw rod 903 establishes the inside at through-hole 905, second piston 902 places on bottom plate 904, the top fixedly connected with hand wheel of screw rod 903, be convenient for drive screw rod 903 to rotate through setting up the hand wheel.

The working process of the utility model is as follows: the detection pipe 2 on the boiler 1 is communicated with the cylinder 4 through the three-way pipe 3, the current pressure value in the boiler 1 is monitored in real time through the electromagnetic valve 302, when the first piston 6 is under a certain pressure, the first piston 6 can be pushed by the pressure to move rightwards, when the first piston 6 moves to the opening of the pressure relief mechanism 9, the pressure can push the second piston 902 to move upwards in the mode of compressing the second spring 907, so as to open the screw 903 and enable the pressure in the boiler 1 to be discharged through the pressure relief hole 906, thereby preventing the safety accident caused by the overlarge internal pressure of the boiler 1, the bottom plate 904 and the second piston 902 are driven to move upwards through rotating the through hole 905, the bottom plate 904 and the second piston 902 are driven to move upwards through rotating a hand wheel at the top of the through hole 905 to adjust the compression amount of the second spring 907, and the second piston 902 can be jacked up under a larger pressure due to the elasticity characteristic of the second spring 907, adjust pressure release mechanism 9's pressure release value to the boiler of multiple specification of cooperation is used, breaks down or when pressure is great when pressure release mechanism 9, through 6 extrusion pressure sensor 10 of first piston, the pressure that pressure sensor 10 received transmits to external controlgear with the form of signal of telecommunication, makes the quick opening pressure detection table 301 of external controlgear carry out the pressure release, and alarm lamp 11 lights and reminds the staff.

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 may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a pressure measurement for steam boiler, includes boiler (1), three-way pipe (3) and barrel (4), its characterized in that: a first piston (6) is connected inside the cylinder body (4) in a sliding way, a pressure relief mechanism (9) is fixedly connected on the cylinder body (4), the pressure relief mechanism (9) comprises a connecting cylinder (901) and a threaded sleeve (908), the connecting cylinder (901) is fixedly connected to the cylinder body (4), a second piston (902) is connected to the inside of the connecting cylinder (901) in a sliding manner, the threaded sleeve (908) is embedded at the top of the connecting cylinder (901), the internal thread of the threaded sleeve (908) is connected with a screw rod (903), the bottom of the screw rod (903) is fixedly connected with a bottom plate (904), the second piston (902) is provided with a through hole (905), a pressure relief hole (906) is formed in the connecting cylinder (901), a second spring (907) is arranged between the second piston (902) and the inner top wall of the connecting cylinder (901), the aperture value of the through hole (905) is larger than the diameter value of the screw rod (903).

2. A pressure sensing apparatus for a steam boiler according to claim 1, wherein: the boiler is characterized in that a detection pipe (2) is fixedly connected to the boiler (1), the detection pipe (2) is communicated with the barrel (4) through the three-way pipe (3), and an electromagnetic valve (302) is fixedly connected to the three-way pipe (3).

3. A pressure sensing apparatus for a steam boiler according to claim 1, wherein: the screw rod (903) is arranged inside the through hole (905), and the second piston (902) is placed on the bottom plate (904).

4. A pressure sensing apparatus for a steam boiler according to claim 1, wherein: baffle (7) are installed to the one end of barrel (4), first piston (6) with be equipped with first spring (8) between baffle (7), the inside fixedly connected with dog (5) of barrel (4), dog (5) are established first piston (6) are kept away from a side of first spring (8).

5. A pressure sensing apparatus for a steam boiler according to claim 4, wherein: one side fixedly connected with pressure sensor (10) of baffle (7), fixedly connected with pressure detection table (301) on three-way pipe (3), baffle (7) are kept away from one side fixedly connected with alarm lamp (11) of pressure sensor (10), pressure detection table (301), pressure sensor (10) and alarm lamp (11) all are connected with external controlgear electricity.

6. A pressure sensing apparatus for a steam boiler according to claim 1, wherein: the top of the screw rod (903) is fixedly connected with a hand wheel.