CN210208384U

CN210208384U - Pressure vessel pressing seal head of boiler

Info

Publication number: CN210208384U
Application number: CN201921011584.7U
Authority: CN
Inventors: Cuncai Zhang; 张存才; Yanmei Zhang; 张艳梅; Yingying Mou; 牟迎迎; Chuanbo Li; 李传波; Panyu Yu; 于攀宇
Original assignee: Qingdao Dongneng Boiler Co Ltd
Current assignee: Qingdao Dongneng Boiler Co Ltd
Priority date: 2019-07-02
Filing date: 2019-07-02
Publication date: 2020-03-31
Anticipated expiration: 2029-07-02

Abstract

The utility model discloses a pressure vessel suppression head of boiler, concretely relates to boiler suppression head technical field, including the head main part, the inside solid fixed cylinder that is provided with of head main part, gu the fixed cylinder surface is provided with movable groove, head main part bottom is provided with the draw-in groove, head main part top outside is provided with accomodates the groove, it is provided with the sealing washer to accomodate inslot portion, it is provided with fixed ring portion to accomodate the inslot side, fixed ring portion surface is provided with the bolt hole. The utility model discloses a weld fixed cylinder in head main part bottom, the instrument is connected fixedly with the draw-in groove transmission that the cross set up, and then can rotate the head main part, and then to the head main part application of force, because the head welding is on boiler pressure vessel, so need demolish the welding position, utilize the torsional force, unload the head main part and get, recycle the instrument and catch the activity groove, make things convenient for unloading of head main part to get, improve device's service function.

Description

Pressure vessel pressing seal head of boiler

Technical Field

The utility model relates to a boiler suppression head technical field, more specifically say, the utility model relates to a pressure vessel suppression head of boiler.

Background

The boiler is a water container heated on fire, a furnace is a place where fuel is combusted, and the boiler comprises a boiler and a furnace. The hot water or steam generated in the boiler can directly provide 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 electric energy through a generator. The boiler for supplying hot water is called a hot water boiler, is mainly used for life, and has a small amount of application in industrial production. The boiler for generating steam is called as a steam boiler, often called as a boiler for short, and is widely used for thermal power stations, ships, locomotives and industrial and mining enterprises.

The utility model discloses a boiler and pressure vessel suppression head is disclosed in patent application publication No. CN201320748513.1, includes spherical or oval suppression head the marginal tip one side or both sides surface of spherical or oval suppression head, spherical or oval suppression head and ring pass through fillet weld and be connected. The utility model is used for the suppression of boiler and pressure vessel head.

However, in actual use, there still exist many disadvantages, for example, because the head is welded on the boiler pressure vessel, the welded part needs to be removed in the process of removing the head, and the welding mode mostly adopts spot welding technology, so a force application structure is needed on the head.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a pressure vessel suppression head of boiler is connected fixedly through the draw-in groove transmission of instrument with the cross setting, and then can rotate the head main part, and then to the head main part application of force, utilizes the torsional force, unloads the head main part, recycles the instrument and catches on the movable groove, makes things convenient for unloading of head main part to get, improves the service function of device to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pressure vessel suppression head of boiler, includes the head main part, the inside solid fixed cylinder that is provided with of head main part, the solid fixed cylinder surface is provided with the activity groove, head main part bottom is provided with the draw-in groove, the head main part top outside is provided with accomodates the groove, it is provided with the sealing washer to accomodate inslot portion, it is provided with the fixed ring portion to accomodate the inslot side, fixed ring portion surface is provided with the bolt hole.

In a preferred embodiment, the overall shape of the end socket main body is a hemisphere, and the shape of the clamping groove is a cross shape.

In a preferred embodiment, the cross-sectional shape of the fixed cylinder is an ellipse, and the fixed cylinder is welded with the seal head main body.

In a preferred embodiment, the number of the movable grooves is two, and the movable grooves are in an L shape, and the two movable grooves are in central symmetry with respect to the center of the fixed cylinder.

In a preferred embodiment, the seal head main body, the clamping groove, the accommodating groove and the fixing ring portion are formed by stamping a whole steel plate, and the accommodating groove is matched with the sealing ring.

In a preferred embodiment, the height of the fixed ring part is lower than that of the top of the head main body, the number of the bolt holes is eight, and the bolt holes are arranged in a central symmetry mode around the center of the head main body.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a set up the solid fixed cylinder, utilize the solid fixed cylinder welding to be in head main part bottom, when unloading and get the head main part, because the head welding is on boiler pressure vessel, so need demolish the welding position, stretch into the solid fixed cylinder with the instrument, the instrument is connected fixedly with the cross draw-in groove transmission that sets up, and then can rotate the head main part, and then apply force to the head main part, utilize the torsional force, unload the head main part, reuse the instrument to catch on the movable groove, facilitate the unloading of head main part, improve the service function of the device;

2. the utility model discloses a groove is accomodate in the setting, and the sealing washer in the groove is accomodate in the utilization, when the installation head main part, through compressing tightly the sealing washer, realizes improving the sealed effect of head main part, utilizes the bolt hole on the fixed ring portion, makes things convenient for the bolt fastening between head main part and the boiler, and then makes things convenient for the follow-up welding of head main part, and head main part, draw-in groove, accomodate groove and fixed ring portion and form by the punching press of monoblock steel sheet, and shaping efficiency is high, and production efficiency is high.

Drawings

Fig. 1 is a schematic overall sectional view of the present invention.

Fig. 2 is an overall schematic diagram of the present invention.

Fig. 3 is an overall schematic plan view of the present invention.

Fig. 4 is a schematic top sectional view of the fixing cylinder of the present invention.

Fig. 5 is an overall schematic view of the sealing ring of the present invention.

The reference signs are: 1 head main part, 2 fixed cylinders, 3 activity grooves, 4 draw-in grooves, 5 take in grooves, 6 sealing washers, 7 fixed ring portion, 8 bolt holes.

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 as shown in fig. 1-4 pressure vessel suppression head of boiler, including head

main part

1, 1 inside solid fixed cylinder 2 that is provided with of head main part, solid fixed cylinder 2 surface is provided with

movable groove

3, 1 bottom of head main part is provided with draw-in

groove

4, 1 top outside of head main part is provided with accomodates groove 5, accomodate 5 inside sealing washer 6 that are provided with in groove, accomodate the 5 outside in groove and be provided with solid fixed ring portion 7, solid fixed ring portion 7 surface is provided with bolt hole 8.

Further, the whole shape of the end socket main body 1 is hemispherical, and the shape of the clamping groove 4 is a cross shape.

Further, the cross section of the fixed cylinder 2 is oval, and the fixed cylinder 2 is welded with the seal head main body 1.

Furthermore, the number of the movable grooves 3 is two, the movable grooves are L-shaped, and the two movable grooves 3 are centrosymmetric with respect to the circle center of the fixed cylinder 2.

The implementation mode is specifically as follows: in head main part 1 production process, with the fixed cylinder 2 welding in head main part 1 bottom, in dismantling the in-process to head main part 1, because the head welds on boiler pressure vessel, so need demolish the welding part, stretch into fixed cylinder 2 with the instrument, the instrument is connected fixedly with the 4 transmissions of draw-in groove that the cross set up, the cross structure of instrument inserts in draw-in groove 4 promptly, and then can rotate head main part 1, and then to head main part 1 application of force, utilize torsional force, unload head main part 1, reuse instrument catches on movable groove 3, because the oval setting of 2 positions 2 of fixed cylinder, so fixed cylinder 2 has longer diameter and shorter diameter, make things convenient for the instrument to stretch into fixed cylinder 2, make things convenient for the instrument to catch activity COA3, make things convenient for unloading of head main part 1 to get, improve the service function of device.

As shown in fig. 1-3 and 5, the main body 1, the clamping groove 4, the accommodating groove 5 and the fixing ring portion 7 of the pressure vessel pressing head of the boiler are formed by stamping a whole steel plate, and the accommodating groove 5 is matched with the sealing ring 6.

Further, the height of the fixed ring part 7 is lower than the top of the seal head main body 1, the number of the bolt holes 8 is eight, and the bolt holes are arranged in a central symmetry mode relative to the circle center of the seal head main body 1.

The implementation mode is specifically as follows: when the end socket main body 1 is installed, the end socket main body 1 is pressed on a boiler container, the sealing effect of the end socket main body 1 is improved through the compression sealing ring 6, the bolt holes 8 in the fixing ring portion 7 are utilized, the eight bolt holes 8 adapt to installation of different conditions, bolt fixing between the end socket main body 1 and the boiler is facilitated, further, subsequent welding of the end socket main body 1 is facilitated, the end socket main body 1, the clamping groove 4, the accommodating groove 5 and the fixing ring portion 7 are formed by stamping of a whole steel plate, forming efficiency is high, and production efficiency is high.

The utility model discloses the theory of operation:

referring to the attached drawings 1-4 of the specification, in the production process of the end socket main body 1, a fixed cylinder 2 is welded at the bottom of the end socket main body 1, in the process of disassembling the end socket main body 1, as the end socket is welded on a boiler pressure container, the welding part needs to be disassembled, a tool extends into the fixed cylinder 2, the tool is fixedly connected with a clamping groove 4 which is arranged in a cross shape in a transmission manner, the end socket main body 1 can be rotated, the force is applied to the end socket main body 1, the end socket main body 1 is disassembled by using the torsional force, the movable groove 3 is hooked by using the tool, the disassembly of the end socket main body 1 is facilitated, and the use function of the device is improved;

referring to the attached drawings 1-3 and 5 of the specification, when the head main body 1 is installed, the head main body 1 is pressed on a boiler container, the sealing effect of the head main body 1 is improved by pressing the sealing ring 6, bolt fixing between the head main body 1 and the boiler is facilitated by the bolt holes 8 in the fixing ring portion 7, and further subsequent welding of the head main body 1 is facilitated, the head main body 1, the clamping grooves 4, the accommodating grooves 5 and the fixing ring portion 7 are formed by stamping a whole steel plate, forming efficiency is high, and production efficiency is high.

And finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a pressure vessel suppression head of boiler, includes head main part (1), its characterized in that: the sealing head is characterized in that a fixing cylinder (2) is arranged inside the sealing head main body (1), a movable groove (3) is formed in the surface of the fixing cylinder (2), a clamping groove (4) is formed in the bottom of the sealing head main body (1), a containing groove (5) is formed in the outer side of the top of the sealing head main body (1), a sealing ring (6) is arranged inside the containing groove (5), a fixing ring portion (7) is arranged on the outer side of the containing groove (5), and a bolt hole (8) is formed in the surface of the fixing ring portion (7).

2. The pressure vessel pressing head of a boiler of claim 1, wherein: the whole shape of the end socket main body (1) is hemispherical, and the shape of the clamping groove (4) is a cross shape.

3. The pressure vessel pressing head of a boiler of claim 1, wherein: the cross section of the fixed cylinder (2) is oval, and the fixed cylinder (2) is welded with the seal head main body (1).

4. The pressure vessel pressing head of a boiler of claim 1, wherein: the number of the movable grooves (3) is two, the movable grooves are L-shaped, and the movable grooves (3) are centrosymmetric about the circle center of the fixed cylinder (2).

5. The pressure vessel pressing head of a boiler of claim 1, wherein: the end socket is characterized in that the end socket main body (1), the clamping groove (4), the accommodating groove (5) and the fixed ring portion (7) are formed by stamping a whole steel plate, and the accommodating groove (5) is matched with the sealing ring (6).

6. The pressure vessel pressing head of a boiler of claim 1, wherein: the fixed ring portion (7) is lower than the top of the seal head main body (1), the number of the bolt holes (8) is eight, and the bolt holes are arranged in a central symmetry mode relative to the circle center of the seal head main body (1).