CN214197678U - Prevent steam conduit of leakage - Google Patents

Abstract

The utility model discloses a prevent steam conduit of leakage, including the trunk line and with the steam valve that the trunk line is connected, the link of trunk line is equipped with first connection pad, be equipped with on the steam valve with first connection pad assorted second connection pad, the connection side of first connection pad is equipped with annular first seal groove and first sealed arch alternately, the connection side of second connection pad is equipped with annular second seal groove and the sealed arch of second, locate in the first sealed arch in the second seal groove, locate in the sealed arch of second in the first seal groove, first sealed bellied inside is equipped with the even chamber that holds in a plurality of interval, it is equipped with the joint subassembly to hold the intracavity, be equipped with on the both sides wall of second seal groove with joint subassembly assorted joint groove. The utility model adopts the above structure a prevent steam conduit of leakage, the leakproofness is good, connects stably to be difficult for revealing.

Description

Prevent steam conduit of leakage

Technical Field

The utility model relates to a piping installation technical field especially relates to a prevent steam conduit of leakage.

Background

Steam delivery duct plays the source and the point of use that connect steam to produce, carry the effect of steam, size and the length of distance according to the system scale, conveying system's scale is also different, in steam conduit start-up process, steam conduit can produce the comdenstion water, equally in the operation process, because the outside radiating reason of pipeline, also can produce the comdenstion water, and the leakage-proof of steam delivery duct just seems to be especially important at this in-process, however current steam delivery duct's leak-proof device most sealed effect is not good, lead to gaseous leakage, thereby influence the application of equipment, do not set up timely processing apparatus simultaneously, lead to leaking the normal operating that gaseous influence peripheral equipment, also probably cause danger to peripheral personnel.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a prevent steam conduit of leakage, the leakproofness is good, connects stably to be difficult for revealing.

In order to achieve the purpose, the utility model provides a leakage-proof steam pipeline, which comprises a main pipeline and a steam valve connected with the main pipeline, wherein the connecting end of the main pipeline is provided with a first connecting disc, and the steam valve is provided with a second connecting disc matched with the first connecting disc;

the connecting side of the first connecting disc is alternately provided with annular first sealing grooves and first sealing bulges, the connecting side of the second connecting disc is provided with annular second sealing grooves and second sealing bulges, the first sealing bulges are internally arranged in the second sealing grooves, the second sealing bulges are internally arranged in the first sealing grooves, a plurality of containing cavities with uniform intervals are arranged in the first sealing bulges, clamping assemblies are arranged in the containing cavities, and clamping grooves matched with the clamping assemblies are arranged on two side walls of the second sealing grooves;

the edge sides of the first connecting disc and the second connecting disc are both provided with connecting blocks, and fixing mechanisms are arranged in the connecting blocks in a penetrating mode.

Preferably, the steam valve comprises a main steam valve and an auxiliary steam valve, and the auxiliary steam valve is arranged on one side of the main steam valve.

Preferably, fixed establishment includes sleeve, fixed lead screw and coupling nut, the sleeve is hollow structure, telescopic inside sliding connection has the stopper, fixed lead screw runs through the sleeve with stopper fixed connection, fixed lead screw is located the inside pot head of sleeve is equipped with first spring, fixed lead screw is located the one end in the sleeve outside is connected with coupling nut.

Preferably, the joint subassembly includes kicking block and joint pole, one side of kicking block is connected with and runs through hold the threaded rod in chamber, the kicking block is the circular truncated cone structure, first sealed bellied both sides be equipped with joint pole assorted open structure.

Preferably, the joint pole includes first connecting rod and the second connecting rod that becomes the contained angle and connect, the top of first connecting rod with the inner wall that holds the chamber is articulated, the lateral wall of first connecting rod pass through the second spring with the interior wall connection who holds the chamber, the second connecting rod runs through open structure with the joint groove is connected.

Therefore, the utility model adopts the above structure a prevent steam conduit of leakage, the leakproofness is good, connects stably and is difficult for revealing.

The technical solution of the present invention is further described in detail by the accompanying drawings and examples.

Drawings

FIG. 1 is a schematic view of an embodiment of a leak resistant steam line of the present invention;

fig. 2 is a cross-sectional view of an embodiment of a leak-proof steam line of the present invention;

FIG. 3 is a schematic view of a leak-proof steam line securement mechanism of the present invention;

fig. 4 is an enlarged view of a portion a of a leak-proof steam line of the present invention.

Reference numerals:

1. a main pipeline; 2. a steam valve; 21. a main steam valve; 22. an auxiliary steam valve; 3. a first splice tray; 4. a second connecting disc; 5. a first seal projection; 6. a second seal projection; 7. a first seal groove; 8. a second seal groove; 9. connecting blocks; 10. a fixing mechanism; 11. a sleeve; 12. a limiting block; 13. fixing a lead screw; 14. a first spring; 15. a connecting nut; 16. an accommodating chamber; 17. a top block; 18. a clamping and connecting rod; 181. a first link 181; 182. a second link; 19. a clamping groove; 20. a second spring; 21. a threaded rod.

Detailed Description

The technical solution of the present invention is further explained by the accompanying drawings and examples.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

Examples

Fig. 1 is the utility model relates to a schematic diagram of leak-proof steam conduit embodiment, fig. 2 is the utility model relates to a cross-sectional view of leak-proof steam conduit embodiment, as shown in the figure, the utility model provides a leak-proof steam conduit, including trunk line 1 and the steam valve 2 of being connected with trunk line 1, steam valve 2 includes main steam valve 21 and assists steam valve 22, assists steam valve 22 to set up in one side of main steam valve 21. The steam temperature is higher, and after closing steam valve 2, the temperature after the valve reduces to room temperature gradually, and steam valve 2 temperature itself also is obviously lower than the temperature before closing at this moment. The valve body and the valve plate of the steam valve 2 are made of metal, the temperature of the valve body and the steam is the same before closing, the valve plate shrinks inwards after closing, the valve body shrinks similarly, the phenomenon that the valve body shrinks towards the two sides of the valve flange exists in the position of the valve plate cavity, and at the moment, a gap is formed between the valve plate and the valve body, so that leakage occurs. The auxiliary steam valve 22 is arranged, and the main steam valve 21 and the auxiliary steam valve 22 are opened and closed twice, so that the influence of temperature change on sealing is greatly eliminated, and the sealing property of the steam pipeline is improved.

The link of trunk line 1 is equipped with first connection pad 3, be equipped with on the steam valve 2 with 3 assorted second connection pads 4 of first connection pad, the connection side of first connection pad 3 is alternate to be equipped with annular first seal groove 7 and first sealed arch 5, the connection side of second connection pad 4 is equipped with annular second seal groove 8 and the sealed arch 6 of second, locate in the second seal groove 8 in the first sealed arch 5, locate in the first seal groove 7 in the sealed arch 6 of second, double-deck joint improves the sealing performance of pipeline, sealed protruding thermal expansion and the inseparable leak protection performance that further improves the pipe connection department of seal groove joint.

Fig. 3 is a schematic diagram of a leakage-proof steam pipeline fixing mechanism, as shown in the figure, the edge sides of the first connecting disc 3 and the second connecting disc 4 are all provided with a connecting block 9, and a fixing mechanism 10 is arranged in the connecting block 9. Fixing mechanism 10 includes sleeve 11, fixed lead screw 13 and coupling nut 15, sleeve 11 is hollow structure, the inside sliding connection of sleeve 11 has stopper 12, fixed lead screw 13 runs through sleeve 11 and stopper 12 fixed connection, fixed lead screw 13 is located the inside pot head of sleeve 11 and is equipped with first spring 14, first spring 14 and sleeve 11 fixed connection, the one end that fixed lead screw is located the sleeve 11 outside is connected with coupling nut 15, the tension of first spring 14 makes fixed lead screw 13 be connected stably with coupling nut 15, thereby with first connection pad 3 and 4 zonulae occludens of second connection pad. And the arrangement of the sleeve 11 protects the spring from corrosion, prolonging its service life.

Fig. 4 is a enlargements of leak-proof steam conduit A portion, as shown in the figure, the inside of first sealed arch 5 is equipped with the even chamber 16 that holds in a plurality of interval, hold the intracavity and be equipped with the joint subassembly, be equipped with on the both sides wall of second seal groove 8 with joint subassembly assorted joint groove 19, the joint subassembly includes kicking block 17 and joint pole 18, one side of kicking block 17 is connected with the threaded rod 21 that runs through and hold chamber 16, kicking block 17 is the circular cone platform structure, the both sides of first sealed arch 5 be equipped with joint pole 18 assorted open structure. The clamping rod 18 comprises a first connecting rod 181 and a second connecting rod 182 which are connected at an included angle, the top end of the first connecting rod 181 is hinged to the inner wall of the accommodating cavity 16, the side wall of the first connecting rod 181 is connected with the inner wall of the accommodating cavity 16 through a second spring 20, and the second connecting rod 182 penetrates through the opening structure and is connected with the clamping groove 19. Screwing the threaded rod 21 to move the top block 17 to one side close to the second sealing groove 8, the top block 17 pushes the clamping rod 18 to compress the second spring 20, so that the second connecting rod 182 extends out of the bayonet structure to be connected with the clamping groove 19, the first sealing bulge 5 is firmly connected with the second sealing groove 8, and the connection stability of the first connecting disc 3 and the second connecting disc 4 is further improved.

The specific working principle is as follows: connect first sealed arch 5 in second seal groove 8, second sealed arch 6 is connected in first seal groove 7, twists threaded rod 21 and makes second connecting rod 182 be connected with joint groove 19, with the preliminary zonulae occludens of first connection pad 3 and second connection pad 4, convenient follow-up fixed. The fixing mechanism 10 is arranged in the clamping block 9 in a penetrating mode, and the connecting nut 15 is screwed to be tightly connected with the fixing screw rod 13, so that the connection tightness of the first connecting disc 3 and the second connecting disc 4 is improved, and the overall leakage-proof performance of the steam pipeline is enhanced.

When the valve is opened, the auxiliary steam valve 22 is opened first, and then the main steam valve 21 is opened. When the valve is closed, the main steam valve 21 is closed, after cooling for 4 hours, the time is less than sixteen hours, the auxiliary steam valve 22 is closed, and then the main steam valve 21 is opened and closed again once, and complete closing is confirmed. The auxiliary steam valve 22 is opened and closed once between twenty-four hours and seventy-two hours. Checking whether leakage exists, if so, repeating the above procedures until the leakage is closed. The risk that the main steam valve 21 is not tightly closed is reduced, the reliability of the valve is greatly improved, the safety risk and the steam leakage risk are reduced, and the reliable use of the system is ensured.

Therefore, the utility model adopts the above structure a prevent steam conduit of leakage is equipped with two seal grooves and sealed protruding cooperatees, strengthens steam conduit's the performance of preventing leaking, is equipped with coupling assembling and fixed establishment and improves the stability of tube coupling, and then improves steam conduit's leakproofness, and main steam valve cooperatees with the assistance steam valve and improves the reliability of valve, reduces steam conduit steam leakage risk.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the technical solution of the present invention can still be modified or replaced by other equivalent means, and the modified technical solution can not be separated from the spirit and scope of the technical solution of the present invention.

Claims (5)

1. A leak resistant vapor conduit, comprising: the steam valve comprises a main pipeline and a steam valve connected with the main pipeline, wherein a first connecting disc is arranged at the connecting end of the main pipeline, and a second connecting disc matched with the first connecting disc is arranged on the steam valve;

the connecting side of the first connecting disc is alternately provided with annular first sealing grooves and first sealing bulges, the connecting side of the second connecting disc is provided with annular second sealing grooves and second sealing bulges, the first sealing bulges are internally arranged in the second sealing grooves, the second sealing bulges are internally arranged in the first sealing grooves, a plurality of uniformly spaced accommodating cavities are arranged in the first sealing bulges, clamping components are arranged in the accommodating cavities, and clamping grooves matched with the clamping components are arranged on two side walls of the second sealing grooves;

the edge sides of the first connecting disc and the second connecting disc are both provided with connecting blocks, and fixing mechanisms are arranged in the connecting blocks in a penetrating mode.

2. A leak resistant steam duct as set forth in claim 1, wherein: the steam valve includes main steam valve and assists the steam valve, it sets up to assist the steam valve one side of main steam valve.

3. A leak resistant steam duct as set forth in claim 1, wherein: the fixing mechanism comprises a sleeve, a fixed lead screw and a connecting nut, the sleeve is of a hollow structure, the inside of the sleeve is slidably connected with a limiting block, the fixed lead screw penetrates through the sleeve and is fixedly connected with the limiting block, the fixed lead screw is located one end of the inside of the sleeve is provided with a first spring in a sleeved mode, and the fixed lead screw is located one end of the outside of the sleeve is connected with the connecting nut.

4. A leak resistant steam duct as set forth in claim 1, wherein: the clamping assembly comprises a top block and a clamping rod, one side of the top block is connected with a threaded rod penetrating through the accommodating cavity, the top block is of a cone frustum structure, and two sides of the first sealing protrusion are provided with opening structures matched with the clamping rods.

5. A leak resistant steam duct in accordance with claim 4, wherein: the joint pole includes first connecting rod and the second connecting rod that becomes the contained angle and connect, the top of first connecting rod with the inner wall that holds the chamber is articulated, the lateral wall of first connecting rod pass through the second spring with the inner wall connection who holds the chamber, the second connecting rod runs through open structure with the joint groove is connected.

Images