CN214513372U

CN214513372U - Anti-blocking filter screen for boiler screen through inlet throttle pipe

Info

Publication number: CN214513372U
Application number: CN202120528294.0U
Authority: CN
Inventors: 丁鹏; 高乐; 孙浩; 徐晋; 王翾; 祝棋冰; 黄杰; 胡高斌; 倪聪颖; 周鹏
Original assignee: Jiangsu Guoxin Jingjiang Generating Co ltd
Current assignee: Jiangsu Guoxin Jingjiang Generating Co ltd
Priority date: 2021-03-12
Filing date: 2021-03-12
Publication date: 2021-10-29
Anticipated expiration: 2031-03-12

Abstract

The utility model discloses a be used for boiler screen to cross imported throttle pipe and prevent stifled filter screen, it includes the throttle pipe body, the front side swing joint of throttle pipe body has the rear joint, the front side swing joint of rear joint has the front joint, swing joint has the filter screen body between one side that front joint and rear joint are relative, the top and the equal fixedly connected with fixed block in bottom of throttle pipe body, the inner wall fixedly connected with stop gear of fixed block. The problem of current throttle pipe do not carry out the function of preventing blocking up is solved, in long-time the use, thereby it is inside can produce a large amount of dusts and lead to its inside to take place to block up, because inside jam can cause the boiler to take place the damage more easily, make the boiler can't carry out work, after taking place to block up, whole throttle pipe will unable continuation use, the user just must change whole throttle pipe, the cost is increased, the practicality has been reduced, inconvenient user uses.

Description

Anti-blocking filter screen for boiler screen through inlet throttle pipe

Technical Field

The utility model relates to a screen type over heater field especially relates to a be used for boiler screen to cross imported throttle pipe and prevent stifled filter screen.

Background

The screen superheater is also a main component part of the heating surface of the modern large boiler superheater, the screen superheater is mostly horizontally combined to save the steel consumption of a combined support and increase the stability, and because a front screen is welded into a single tube screen when leaving a factory, the front screen is generally hoisted by a single sheet or a group of sheets.

In industrial production, the application of boiler is very extensive, and the boiler need install the platen superheater additional in the use, need install the throttle pipe additional at the entrance position of platen superheater, to sum up, current throttle pipe does not carry out the function of preventing stifled, in long-time use, thereby it can produce a large amount of dusts and lead to its inside to take place to block up to its inside, because inside jam can cause the boiler to take place to damage more easily, make the boiler can't carry out work, taking place to block up the back, whole throttle pipe will unable continuation use, the user just must change whole throttle pipe, and the cost is increased, has reduced the practicality, inconvenient user's use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a be used for boiler screen to cross imported throttle pipe and prevent stifled filter screen, the function that current throttle pipe does not prevent stifled has been solved, in long-time use, thereby it can produce a large amount of dusts inside and lead to its inside to take place to block up, because inside jam can cause the boiler to take place the damage more easily, make the boiler can't carry out work, after taking place to block up, whole throttle pipe will unable continuation to use, the user just must change whole throttle pipe, the cost is increased, the practicality is reduced, the problem that inconvenient user used.

In order to realize the above-mentioned purpose, the utility model provides a be used for boiler screen to cross imported throttle pipe and prevent stifled filter screen includes the throttle pipe body, the front side swing joint of throttle pipe body has the rear joint, the front side swing joint of rear joint has the front joint, swing joint has the filter screen body between the relative one side of front joint and rear joint, the top and the equal fixedly connected with fixed block in bottom of throttle pipe body, the inner wall fixedly connected with stop gear of fixed block, two relative one sides of stop gear all run through to the outside of fixed block, the locating piece that the top and the equal fixedly connected with in bottom of rear joint used with the stop gear cooperation.

Preferably, stop gear includes the spring, and two opposite one sides of spring all with the inner wall fixed connection of fixed block, the equal fixedly connected with fly leaf in the relative one side of two springs, the equal fixedly connected with gag lever post in the relative one side of two fly leaves, and the outside to the fixed block is all run through to the relative one side of two gag lever posts, the gag lever post uses with the locating piece cooperation.

Preferably, the inner wall swing joint of front connector has the threaded rod, the quantity of threaded rod is two, the through-hole and the screw hole that use with the threaded rod cooperation are seted up respectively to the both sides of front connector and rear joint front side.

Preferably, the top and the bottom of filter screen body all are fixedly connected with fixture block, the top and the bottom of back joint front side all seted up with the fixture block cooperation draw-in groove of using.

Preferably, the opposite sides of the two fixing blocks are provided with movable holes, the movable holes are matched with the limiting rods for use, the pressure in the throttle pipe body is 23MPa, and the temperature of the inner wall of the throttle pipe body is 550 ℃.

Preferably, one side of each of the two positioning blocks opposite to each other is provided with a limiting hole, and the limiting holes are matched with the limiting rods for use.

In the technical proposal of the utility model, the limiting mechanism is arranged to enable the limiting rod to completely enter the inner cavity of the limiting hole, thereby limiting the positioning block, further limiting the rear joint and the front joint, avoiding the falling phenomenon, filtering the throttle pipe body through the filter screen body, preventing the blockage phenomenon of the throttle pipe body, avoiding the influence of the blockage of the throttle pipe body on the boiler, prolonging the service life of the throttle pipe, increasing the practicability, facilitating the use of a user, solving the problem that the existing throttle pipe has no blockage prevention function, generating a large amount of dust in the throttle pipe body to cause the blockage in the throttle pipe body when in long-time use, causing the damage of the boiler more easily due to the blockage in the throttle pipe, preventing the boiler from working, and preventing the whole throttle pipe from being used continuously after the blockage, the user just has to change whole throttle pipe, has increased the cost, has reduced the practicality, the inconvenient problem that the user used.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is an exploded view of a partial structure of an embodiment of the present invention;

fig. 3 is a sectional view of a fixing block and a positioning block according to an embodiment of the present invention;

fig. 4 is a partial enlarged view of a portion a in fig. 1 according to an embodiment of the present invention;

fig. 5 is a partial enlarged view of the embodiment of the present invention at B in fig. 2;

fig. 6 is a left side sectional view of the throttle body according to the embodiment of the present invention.

The reference numbers illustrate: 1. a throttle tube body; 2. a limiting mechanism; 201. a spring; 202. a movable plate; 203. a limiting rod; 3. a rear joint; 4. a front joint; 5. a filter screen body; 6. a through hole; 7. a threaded rod; 8. a fixed block; 9. positioning blocks; 10. a movable hole; 11. a limiting hole; 12. a clamping block; 13. a card slot; 14. a threaded bore.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

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 efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Moreover, the technical solutions in the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or can not be realized, the combination of the technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

The utility model provides a be used for boiler screen to cross imported throttle pipe and prevent stifled filter screen, the effect has been solved current throttle pipe and has not been carried out the function that prevents stifled, in long-time use, thereby it can produce a large amount of dusts inside and lead to its inside to take place to block up, because inside jam can cause the boiler to take place the damage more easily, make the boiler can't carry out work, after taking place to block up, whole throttle pipe will unable continuation to use, the user just must change whole throttle pipe, the cost is increased, the practicality is reduced, the problem that inconvenient user used.

As shown in fig. 1-6, the embodiment of the utility model provides a be used for boiler to screen imported throttle pipe and prevent stifled filter screen, including throttle pipe body 1, the front side swing joint of throttle pipe body 1 has rear joint 3, rear joint 3's front side swing joint has front joint 4, swing joint has filter screen body 5 between the relative one side of front joint 4 and rear joint 3, the equal fixedly connected with fixed block 8 in top and the bottom of throttle pipe body 1, the inner wall fixedly connected with stop gear 2 of fixed block 8, the outside to fixed block 8 is all run through to two relative one sides of stop gear 2, the equal fixedly connected with in top and the bottom of rear joint 3 and stop gear 2 cooperation locating piece 9 that uses.

In the technical scheme of the utility model, by arranging the limiting mechanism 2, the limiting rod 203 can completely enter the inner cavity of the limiting hole 11, thereby limiting the positioning block 9, further limiting the rear joint 3 and the front joint 4, so that the falling phenomenon can not occur, thereby filtering the throttle pipe body 1 by the filter screen body 5, preventing the throttle pipe body 1 from being blocked, avoiding the influence of the blockage of the throttle pipe body 1 on the boiler, simultaneously prolonging the service life of the throttle pipe, increasing the practicability, facilitating the use of a user, solving the problem that the existing throttle pipe has no anti-blocking function, and in the long-time use, the interior of the throttle pipe can generate a large amount of dust to cause the blockage of the interior of the throttle pipe, because the interior of the blockage, the boiler can be damaged more easily, the boiler can not work, after the blockage occurs, whole throttle pipe will unable continuation use, and the user just must change whole throttle pipe, has increased the cost, has reduced the practicality, the problem that inconvenient user used.

Further, referring to fig. 6, the distance between the outlet end of the filter screen body 5 and the pipe groove of the filter screen body 5 is not less than 400mm, so as to ensure the smooth transition between the filter screen body 301 and the throttle pipe body 1. The aperture of the filter screen body 30 is phi 8, and the flow area of the filter screen body 30 is not less than 2 times of the flow area of the pipeline of the throttle pipe body 1.

Referring to fig. 3, the limiting mechanism 2 includes springs 201, opposite sides of the two springs 201 are fixedly connected to the inner wall of the fixing block 8, opposite sides of the two springs 201 are fixedly connected to the movable plate 202, opposite sides of the two movable plates 202 are fixedly connected to limiting rods 203, opposite sides of the two limiting rods 203 penetrate through the outer side of the fixing block 8, and the limiting rods 203 are used in cooperation with the positioning block 9. In this embodiment, through setting up stop gear 2, can make gag lever post 203 get into behind the inner chamber of spacing hole 11 completely to spacing to locating piece 9, and then spacing to rear joint 3 and front joint 4, make its phenomenon that can not take place to drop, increased stability, made things convenient for user's use.

Further, with reference to fig. 2 and 5, the inner wall of the front joint 4 is movably connected with two threaded rods 7, and two sides of the front side of the front joint 4 and the rear joint 3 are respectively provided with a through hole 6 and a threaded hole 14 which are used in cooperation with the threaded rods 7. In this embodiment, through setting up threaded rod 7, threaded hole 14 and through-hole 6's cooperation is used, can make threaded rod 7 pass behind the inner chamber that through-hole 6 got into threaded hole 14, thereby make front connector 4 merge with rear connector 3, and then spacing filter screen body 5, make filter screen body 5 can not take place the phenomenon that drops, the user need dismantle filter screen body 5 when changing it simultaneously, the user makes threaded rod 7 break away from threaded hole 14's inner chamber can make front connector 4 and rear connector 3 separation, the user can dismantle filter screen body 5 and change, practicality and convenience have been increased, user's use has been made things convenient for.

Referring to fig. 5, the top and the bottom of the filter screen body 5 are both fixedly connected with a clamping block 12, and the top and the bottom of the front side of the rear joint 3 are both provided with a clamping groove 13 used in cooperation with the clamping block 12. In this embodiment, use through the cooperation that sets up fixture block 12 and draw-in groove 13, can make filter screen body 5 drive behind the inner chamber that fixture block 12 got into draw-in groove 13 completely to carry on spacingly to filter screen body 5, make its phenomenon that can not take place the rotation after the installation, avoid its phenomenon of taking place to rock simultaneously, the user can carry out accurate location when welding filter screen body 5, it is more convenient easy when the welding, stability has been increased, user's use has been made things convenient for.

Referring to fig. 3, the opposite sides of the two fixing blocks 8 are both provided with a movable hole 10, the movable hole 10 is used in cooperation with the limiting rod 203, the pressure in the throttle pipe body 1 is 23MPa, and the temperature of the inner wall of the throttle pipe body 1 is 550 ℃. In this embodiment, through setting up the activity hole 10, can make gag lever post 203 reduce when removing with the fixed block 8 between friction and the collision, the user is more convenient easy when extrudeing gag lever post 203, still can make gag lever post 203 can not take place the dead phenomenon of card when removing simultaneously, has increased the practicality, has made things convenient for user's use.

In addition, referring to fig. 3, the opposite sides of the two positioning blocks 9 are both provided with a limiting hole 11, and the limiting hole 11 is used in cooperation with the limiting rod 203. In this embodiment, through setting up spacing hole 11, can make gag lever post 203 get into behind the inner chamber of spacing hole 11 completely to connect 4 and rear connector 3 to carry on spacingly to the front, make front connector 4 and rear connector 3 merge, avoid its phenomenon of taking place to separate, carry on spacingly to filter screen body 5 simultaneously, make its phenomenon that can not take place to drop, increased stability, made things convenient for user's use.

The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.

Claims

1. A filter screen for preventing blockage of a boiler screen through an inlet throttle pipe is characterized by comprising a throttle pipe body (1), the front side of the throttle pipe body (1) is movably connected with a rear joint (3), the front side of the rear joint (3) is movably connected with a front joint (4), a filter screen body (5) is movably connected between the opposite sides of the front joint (4) and the rear joint (3), the top and the bottom of the throttle pipe body (1) are both fixedly connected with fixed blocks (8), the inner wall of the fixed block (8) is fixedly connected with a limiting mechanism (2), one side of the two limiting mechanisms (2) opposite to each other penetrates through the outer side of the fixed block (8), the top and the bottom of the rear joint (3) are fixedly connected with positioning blocks (9) matched with the limiting mechanism (2).

2. The filter screen for preventing blockage of the boiler screen inlet throttle pipe according to claim 1, wherein the limiting mechanism (2) comprises springs (201), one sides of the two springs (201) opposite to each other are fixedly connected with the inner wall of the fixed block (8), one sides of the two springs (201) opposite to each other are fixedly connected with movable plates (202), one sides of the two movable plates (202) opposite to each other are fixedly connected with limiting rods (203), one sides of the two limiting rods (203) opposite to each other penetrate through the outer side of the fixed block (8), and the limiting rods (203) are matched with the positioning blocks (9) for use.

3. The anti-blocking filter screen for the throttle pipe at the screen inlet of the boiler according to claim 1, wherein the inner wall of the front joint (4) is movably connected with two threaded rods (7), and the two sides of the front side of the front joint (4) and the front side of the rear joint (3) are respectively provided with a through hole (6) and a threaded hole (14) which are matched with the threaded rods (7).

4. The anti-blocking filter screen for the boiler screen inlet throttle pipe according to claim 1, characterized in that the top and the bottom of the filter screen body (5) are both fixedly connected with a clamping block (12), and the top and the bottom of the front side of the rear joint (3) are both provided with a clamping groove (13) used in cooperation with the clamping block (12).

5. The anti-blocking filter screen for the boiler screen inlet throttle pipe according to claim 2, characterized in that the opposite sides of the two fixed blocks (8) are both provided with a movable hole (10), the movable hole (10) is used in cooperation with a limiting rod (203), the pressure in the throttle pipe body (1) is 23MPa, and the temperature of the inner wall of the throttle pipe body (1) is 550 ℃.

6. The anti-blocking filter screen for the boiler screen inlet throttle pipe according to claim 2, characterized in that one side opposite to the two positioning blocks (9) is provided with a limiting hole (11), and the limiting hole (11) is used in cooperation with a limiting rod (203).