CN210978657U

CN210978657U - Explosion-proof water pipe for economizer

Info

Publication number: CN210978657U
Application number: CN201921893614.1U
Authority: CN
Inventors: 杨学召; 何礼兵
Original assignee: Panzhihua Steel City Group Ruida Cement Co ltd
Current assignee: Panzhihua Steel City Group Ruida Cement Co ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-07-10
Anticipated expiration: 2029-11-05

Abstract

The utility model relates to an economizer technical field just discloses an explosion-proof water pipe for economizer, including base, mount pad, trunk line, pipeline, pressure relief device and outer pipeline, wherein pressure relief device includes valve body, fixed block, spacing block, auxiliary block, connecting rod, sleeve, adjustment mechanism, fixed frame, screw rod, adjusting nut and protective sheath, the top fixedly connected with mount pad of base, the trunk line has been installed to the inboard of mount pad, the pipeline that is linked together with the trunk line is installed in the front of base, the right side intercommunication of pipeline has the valve body, the right side fixedly connected with connecting block of valve body, the right side threaded connection of connecting block has the outer pipeline, the inside fixedly connected with fixed block of valve body, the spacing block has been installed between valve body and the fixed block, auxiliary block has been placed to the inboard of valve body. The anti-explosion water pipe for the economizer realizes the purpose of convenient and automatic pressure relief.

Description

Explosion-proof water pipe for economizer

Technical Field

The utility model relates to an economizer technical field specifically is an explosion-proof water pipe for economizer.

Background

The Economizer (Economizer) is a device which is arranged at the lower part of a flue at the tail part of a boiler and is used for recovering the waste heat of exhausted smoke, water fed by the boiler is heated into a heating surface of saturated water under the pressure of a steam drum, and the Economizer is called as the Economizer because the Economizer absorbs the heat of high-temperature smoke, reduces the exhaust temperature of the smoke, saves energy and improves the efficiency.

The existing economizer adds a heat return process to the circulation, so that the average heat absorption temperature can be improved, and the circulation efficiency is increased.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an explosion-proof water pipe for economizer possesses the advantage of convenient automatic pressure release, has solved the inconvenient automatic pressure release of current economizer, because the economizer advances water outlet end can not automatic pressure release for when the pipeline medium pressure is too high, produce the problem of the condition that the pressurized bursts easily.

(II) technical scheme

For the purpose of realizing above-mentioned convenient automatic pressure release, the utility model provides a following technical scheme: an explosion-proof water pipe for an economizer comprises a base, a mounting seat, a main pipeline, a branch pipeline, a pressure relief device and an outer pipeline, wherein the pressure relief device comprises a valve body, a fixing block, an isolation block, an auxiliary block, a connecting rod, a sleeve, an adjusting mechanism, a fixing frame, a screw rod, an adjusting nut and a protective sleeve, the top of the base is fixedly connected with the mounting seat, the main pipeline is arranged on the inner side of the mounting seat, the branch pipeline communicated with the main pipeline is arranged on the front side of the base, a valve body is communicated with the right side of the branch pipeline, a connecting block is fixedly connected to the right side of the valve body, the outer pipeline is connected to the right side of the connecting block through threads, the fixing block is fixedly connected to the inner part of the valve body, the isolation block is arranged between the valve body and the fixing block, the auxiliary, the fixed frame of top fixedly connected with of valve body, adjustment mechanism has been installed between the inner wall of auxiliary block and fixed frame, the top threaded connection of fixed frame has the screw rod, the bottom and the adjustment mechanism threaded connection of screw rod, the outside threaded connection of screw rod has the adjusting nut who contacts with fixed frame, the outside cover of screw rod is equipped with the protective sheath.

Preferably, the number of the pressure relief devices is two, the left and right installation directions of the pressure relief devices are opposite, the number of the branch pipelines is two, the upper branch pipeline is a water outlet port, and the lower branch pipeline is a water inlet port.

Preferably, the sleeve comprises an upper barrel, an annular sealing gasket and a bottom block, the upper barrel and the bottom block are sleeved outside the connecting rod, and the annular sealing gasket sleeved outside the connecting rod is arranged between the upper barrel and the bottom block.

Preferably, the connecting rod includes screw thread post and two nuts, the top threaded connection of screw thread post has the nut that contacts with the auxiliary block, the bottom threaded connection of screw thread post has the nut that contacts with the sleeve.

Preferably, the inner bottom wall of the valve body is provided with a groove, and the groove is in contact with the sleeve.

Preferably, adjustment mechanism includes spring and kicking block, and the top swing joint of spring has the kicking block that contacts with fixed frame inner wall, kicking block and screw rod threaded connection.

(III) advantageous effects

Compared with the prior art, the utility model provides an explosion-proof water pipe for economizer possesses following beneficial effect:

this explosion-proof water pipe for economizer, when fluid pressure was too big, the fluid can promote the sleeve and move down, and in the bottom block got into the recess, the left side communicates each other with the cavity on right side, and the quick discharge fluid reached the effect of pressure release, and takes off the protective sheath to adjust adjusting nut and screw rod, the position of kicking block among the adjustable adjustment mechanism, make corresponding adjustment made to the position of supplementary piece, change the required pressure of pressure release, realized the purpose of convenient automatic pressure release.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of a partial structure of the present invention.

In the figure: the valve comprises a base 1, a mounting seat 2, a main pipeline 3, a branch pipeline 4, a valve body 5, a connecting block 6, an outer pipeline 7, a fixing block 8, an isolating block 9, an auxiliary block 10, a connecting rod 11, a sleeve 12, an adjusting mechanism 13, a fixing frame 14, a screw rod 15, an adjusting nut 16 and a protective sleeve 17.

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.

Referring to fig. 1-2, an explosion-proof water pipe for a coal economizer comprises a base 1, a mounting seat 2, a main pipe 3, branch pipes 4, pressure relief devices and an outer pipe 7, wherein each pressure relief device comprises a valve body 5, a fixing block 8, an isolating block 9, an auxiliary block 10, a connecting rod 11, a sleeve 12, an adjusting mechanism 13, a fixing frame 14, a screw rod 15, an adjusting nut 16 and a protective sleeve 17, the mounting seat 2 is fixedly connected to the top of the base 1, the main pipe 3 is installed on the inner side of the mounting seat 2, the branch pipes 4 communicated with the main pipe 3 are installed on the front surface of the base 1, the number of the pressure relief devices is two, the left and right installation directions of the upper and lower pressure relief devices are opposite, the number of the branch pipes 4 is two, the upper branch pipe 4 is a water outlet, the lower branch pipe 4 is a water inlet, the right side of the branch pipe 4 is communicated with the valve body 5, the right side of the connecting block 6 is in threaded connection with an outer pipeline 7, the inside of the valve body 5 is fixedly connected with a fixed block 8, an isolation block 9 is arranged between the valve body 5 and the fixed block 8, an auxiliary block 10 is arranged on the inner side of the valve body 5, the inner side of the auxiliary block 10 is fixedly connected with a connecting rod 11, the outer part of the connecting rod 11 is sleeved with a sleeve 12, the sleeve 12 comprises an upper barrel, an annular sealing gasket and a bottom block, the upper barrel and the bottom block are sleeved on the outer part of the connecting rod 11, the annular sealing gasket sleeved outside the connecting rod 11 is arranged between the upper barrel and the bottom block, the connecting rod 11 comprises a threaded column and two nuts, the top end of the threaded column is in threaded connection with the nut in contact with the auxiliary block 10, the bottom end of the threaded column is in threaded connection with the nut in contact with the sleeve 12, the top of the valve body 5 is fixedly connected, the top threaded connection of fixed frame 14 has screw rod 15, adjustment mechanism 13 includes spring and kicking block, the top swing joint of spring has the kicking block that contacts with fixed frame 14 inner wall, kicking block and 15 threaded connection of screw rod, the bottom and the adjustment mechanism 13 threaded connection of screw rod 15, the outside threaded connection of screw rod 15 has the adjusting nut 16 that contacts with fixed frame 14, the outside cover of screw rod 15 is equipped with protective sheath 17, when fluid pressure is too big, the fluid can promote sleeve 12 to move down, the bottom block gets into in the recess, the left side communicates each other with the cavity on right side, discharge the fluid fast, reach the effect of pressure release, and take off protective sheath 17, and adjust adjusting nut 16 and screw rod 15, the position of kicking block in the adjustable adjustment mechanism 13, make corresponding adjustment in the position of supplementary piece 10, change the required pressure of pressure release, the purpose of convenient automatic pressure release has been realized.

In conclusion, when the fluid pressure of the explosion-proof water pipe for the coal economizer is too high, the fluid can push the sleeve 12 to move downwards, the bottom block enters the groove, the cavities on the left side and the right side are communicated with each other, the fluid is rapidly discharged, the pressure relief effect is achieved, the protective sleeve 17 is taken down, the adjusting nut 16 and the screw rod 15 are adjusted, the position of the top block in the adjusting mechanism 13 can be adjusted, the position of the auxiliary block 10 is correspondingly adjusted, the pressure required by pressure relief is changed, and the purpose of facilitating automatic pressure relief is achieved.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an explosion-proof water pipe for economizer, includes base (1), mount pad (2), trunk line (3), branch pipeline (4), pressure relief device and outer pipeline (7), and wherein pressure relief device includes valve body (5), fixed block (8), spacing block (9), supplementary piece (10), connecting rod (11), sleeve (12), adjustment mechanism (13), fixed frame (14), screw rod (15), adjusting nut (16) and protective sheath (17), its characterized in that: the top fixedly connected with mount pad (2) of base (1), trunk line (3) have been installed to the inboard of mount pad (2), pipeline (4) that are linked together with trunk line (3) have been installed in the front of base (1), the right side intercommunication of pipeline (4) has valve body (5), the right side fixedly connected with connecting block (6) of valve body (5), the right side threaded connection of connecting block (6) has outer pipeline (7), the inside fixedly connected with fixed block (8) of valve body (5), install spacing block (9) between valve body (5) and fixed block (8), supplementary piece (10) have been placed to the inboard of valve body (5), the inboard fixedly connected with connecting rod (11) of supplementary piece (10), the outside cover of connecting rod (11) is equipped with sleeve (12), the fixed frame (14) of top fixedly connected with of valve body (5), adjustment mechanism (13) have been installed between the inner wall of auxiliary block (10) and fixed frame (14), the top threaded connection of fixed frame (14) has screw rod (15), the bottom and adjustment mechanism (13) threaded connection of screw rod (15), the outside threaded connection of screw rod (15) has adjusting nut (16) that contacts with fixed frame (14), the outside cover of screw rod (15) is equipped with protective sheath (17).

2. The explosion-proof water pipe for the economizer according to claim 1, wherein: pressure relief device's quantity is two, and two from top to bottom the installation direction of pressure relief device left and right side sets up for opposite, the quantity of small transfer line (4) is two, and the top small transfer line (4) are the interface of intaking, the below small transfer line (4) are the interface of intaking.

3. The explosion-proof water pipe for the economizer according to claim 1, wherein: the sleeve (12) comprises an upper barrel, an annular sealing gasket and a bottom block, the upper barrel and the bottom block are sleeved outside the connecting rod (11), and the annular sealing gasket sleeved outside the connecting rod (11) is arranged between the upper barrel and the bottom block.

4. The explosion-proof water pipe for the economizer according to claim 1, wherein: connecting rod (11) include screw thread post and two nuts, the top threaded connection of screw thread post has the nut that contacts with auxiliary block (10), the bottom threaded connection of screw thread post has the nut that contacts with sleeve (12).

5. The explosion-proof water pipe for the economizer according to claim 1, wherein: the inner bottom wall of the valve body (5) is provided with a groove, and the groove is in contact with the sleeve (12).

6. The explosion-proof water pipe for the economizer according to claim 1, wherein: adjustment mechanism (13) include spring and kicking block, and the top swing joint of spring has the kicking block that contacts with fixed frame (14) inner wall, kicking block and screw rod (15) threaded connection.