CN211987660U

CN211987660U - Pipeline type filter screen for inlet of desulfurization circulating pump

Info

Publication number: CN211987660U
Application number: CN202020609150.3U
Authority: CN
Inventors: 王少仑
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2020-11-24
Anticipated expiration: 2030-04-21

Abstract

The utility model discloses a pipeline formula filter screen is used to desulfurization circulating pump entry, including fixed pipe, wind channel, expansion pipe, thread groove, installation pipe, first filter screen, second filter screen, third filter screen, spacing groove, locating hole, sleeve pipe, sealed pad, mount, regulation pole, spring, silk screen, spacing ring, through-hole and connecting pipe. The utility model discloses it is rational in infrastructure, adjust the pole through the pulling, adjust the sleeve pipe that pole and through-hole sliding connection drive cup jointed with the spring compression, then cup joint the movable tube with the inside wind channel of fixed bolster, the movable tube drives the connecting pipe through the spacing ring and cup joints at the spacing inslot, the one end of connecting pipe cup joints inside sealed the pad, loosen the regulation pole, adjust the pole and reset under the effect of spring, thereby adjust the pole and cup joint the position with connecting pipe and silk screen fixed in the inside of locating hole, easy to assemble and dismantlement, the maintenance and the change in the later stage of being convenient for.

Description

Pipeline type filter screen for inlet of desulfurization circulating pump

Technical Field

The utility model relates to a pipeline formula filter screen specifically is a pipeline formula filter screen is used to desulfurization circulating pump entry, belongs to sweetener application technical field.

Background

In the flue gas desulfurization system of power plant, some debris can often be sneaked into in the slurry circulating pump entry of desulfurization absorption tower, and these debris get into the slurry circulation behind the slurry circulating pump, can cause to spray layer nozzle to block up, also lead to the slurry circulating pump vibration easily, damage even. At present, the most main treatment mode aiming at the problems is to add a filter screen at the inlet of a slurry circulating pump of a desulfurization absorption tower, wherein the filter screen can effectively prevent small impurities, falling lining rubber or glass fiber reinforced plastics from entering a spraying layer to cause nozzle blockage.

A plurality of problems also exist in the filter screen at the inlet of the circulating pump of the absorption tower of the current desulfurization system: traditional typical filter screen adopts the alloy panel preparation, install inside the absorption tower, jam or damaged phenomenon can often appear when equipment operation, if the filter screen blocks up, take place the damage, cause slurry circulating pump cavitation very easily, spray the layer and block up, the defroster collapses the scheduling situation, cause equipment damage, the serious consequence that desulfurization efficiency is not up to standard, simultaneously, still there is the maintenance inconvenience, the resistance is big, easy deformation scheduling problem, in case break down, must the evacuation absorption tower just can inspect and handle after the system stops transport. Therefore, the pipeline type filter screen for the inlet of the desulfurization circulating pump is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provide a pipeline type filter screen for the inlet of the desulfurization circulating pump.

The utility model realizes the purpose through the following technical proposal, a pipeline type filter screen for the inlet of a desulfurization circulating pump comprises a fixed pipe, a filter device and a fixing device;

the filtering device comprises an air channel arranged in the fixed tube, the air channel is sleeved with a movable tube, one end of the movable tube is fixedly connected with a limiting ring, and one end of the limiting ring is fixedly connected with the side wall of the connecting tube;

the fixing device comprises a fixing frame fixedly connected to the outer side of the fixing pipe, a through hole is formed in one end of the fixing frame, and the inside of the through hole is slidably connected with the adjusting rod.

Preferably, a thread groove is formed in the movable pipe, and the inner part of the thread groove is in threaded connection with the installation pipe.

Preferably, the inside of installation pipe is from left to right installs first filter screen, second filter screen and third filter screen in proper order, the mesh number of first filter screen is 32, and the mesh number of second filter screen is 36, and the mesh number of third filter screen is 40.

Preferably, a limiting groove is formed in one end of the fixing pipe, a sealing gasket is fixedly connected to the inside of the limiting groove, and a connecting pipe is sleeved inside the sealing gasket.

Preferably, one end of the connecting pipe is fixedly connected with a wire mesh, and the wire mesh covers one side of the air duct.

Preferably, the connecting pipe is internally provided with a positioning hole, the positioning hole is connected with the adjusting rod in a sliding manner, one end of the adjusting rod is sleeved with the sleeve, one end of the sleeve is fixedly connected with one end of the spring, the other end of the spring is fixedly connected with one end of the fixing frame, and the spring is sleeved on the adjusting rod.

The utility model has the advantages that:

1. through the pulling regulation pole, adjust the pole and drive the sleeve pipe that cup joints with through-hole sliding connection and compress the spring, then cup joint the movable tube with the inside wind channel of fixed bolster, the movable tube drives the connecting pipe through the spacing ring and cup joints at the spacing inslot, the one end of connecting pipe cup joints inside sealed the pad, loosen the regulation pole, adjust the pole and reset under the effect of spring, thereby adjust the pole and cup joint the position with connecting pipe and silk screen fixed in the inside of locating hole, easy to assemble and dismantlement, the maintenance and the change in the later stage of being convenient for.

2. Drive first filter screen, second filter screen and third filter screen and the inside thread groove threaded connection of activity pipe through the installation pipe, will install the pipe then and fix in the inside of activity pipe, improve the filter effect through first filter screen, second filter screen and the third filter screen of silk screen and different mesh numbers.

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 drawings without inventive exercise.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a right side view of the present invention;

fig. 3 is a schematic diagram of the positions of the positioning hole and the connecting pipe of the present invention.

In the figure: 1. fixed pipe, 2, wind channel, 3, activity pipe, 4, thread groove, 5, installation pipe, 6, first filter screen, 7, second filter screen, 8, third filter screen, 9, spacing groove, 10, locating hole, 11, sleeve pipe, 12, sealed pad, 13, mount, 14, regulation pole, 15, spring, 16, silk screen, 17, spacing ring, 18, through-hole, 19, connecting pipe.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but 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.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-3, a pipe type filter screen for an inlet of a desulfurization circulating pump includes a fixing pipe 1, a filtering device and a fixing device;

the filtering device comprises an air channel 2 arranged inside a fixed pipe 1, a movable pipe 3 is sleeved inside the air channel 2, one end of the movable pipe 3 is fixedly connected with a limiting ring 17, and one end of the limiting ring 17 is fixedly connected with the side wall of a connecting pipe 19, so that the filtering effect is improved;

the fixing device comprises a fixing frame 13 fixedly connected to the outer side of the fixing pipe 1, a through hole 18 is formed in one end of the fixing frame 13, and the inside of the through hole 18 is slidably connected with the adjusting rod 14, so that the fixing and the dismounting are facilitated, and the maintenance and the replacement are facilitated.

A thread groove 4 is formed in the movable pipe 3, and a mounting pipe 5 is in threaded connection with the inside of the thread groove 4, so that the structure is more reasonable, and the connection is convenient; a first filter screen 6, a second filter screen 7 and a third filter screen 8 are sequentially arranged in the installation pipe 5 from left to right, the mesh number of the first filter screen 6 is 32, the mesh number of the second filter screen 7 is 36, and the mesh number of the third filter screen 8 is 40, so that the structure is more reasonable and the connection is convenient; one end of the fixed pipe 1 is provided with a limiting groove 9, the inside of the limiting groove 9 is fixedly connected with a sealing gasket 12, and the inside of the sealing gasket 12 is sleeved with a connecting pipe 19, so that the structure is more reasonable and the connection is convenient; one end of the connecting pipe 19 is fixedly connected with a silk screen 16, and the silk screen 16 covers one side of the air duct 2, so that the structure is more reasonable and the connection is convenient; the inside of connecting pipe 19 is opened there is locating hole 10, the inside sliding connection regulation pole 14 of locating hole 10, the sleeve pipe 11 is cup jointed to the one end of regulation pole 14, the one end fixed connection spring 15's of sleeve pipe 11 one end, the other end fixed connection mount 13's of spring 15 one end, spring 15 cup joints on regulation pole 14, and the structure is more reasonable, the connection of being convenient for.

The utility model discloses when using, at first will install pipe 5 and drive first filter screen 6, second filter screen 7 and third filter screen 8 and the inside thread groove 4 threaded connection of movable tube 3, then will install pipe 5 and fix in the inside of movable tube 3, adjust pole 14 through the pulling, adjust the sleeve pipe 11 that pole 14 and through-hole 18 sliding connection drive cup jointed and compress spring 15, then cup joint movable tube 3 and the inside wind channel 2 of fixed tube 1, movable tube 3 drives connecting pipe 19 through spacing ring 17 and cup joints in spacing groove 9, the one end of connecting pipe 19 cup joints inside sealed pad 12, loosen and adjust pole 14, adjust pole 14 and reset under the effect of spring 15, thereby adjust pole 14 cup joint the rigidity with connecting pipe 19 and silk screen 16 in the inside of locating hole 10, easy to assemble and dismantle, the maintenance and the change in the later stage of being convenient for, through silk screen 16 and the first filter screen 6 of different mesh numbers, loosen and adjust pole 14, The second filter 7 and the third filter 8 improve the filtering effect.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a desulfurization circulating pump is pipeline formula filter screen for entry which characterized in that: comprises a fixed pipe (1), a filtering device and a fixing device;

the filtering device comprises an air duct (2) arranged inside a fixed pipe (1), a movable pipe (3) is sleeved inside the air duct (2), one end of the movable pipe (3) is fixedly connected with a limiting ring (17), and one end of the limiting ring (17) is fixedly connected with the side wall of a connecting pipe (19);

the fixing device comprises a fixing frame (13) fixedly connected to the outer side of the fixing pipe (1), a through hole (18) is formed in one end of the fixing frame (13), and the inside of the through hole (18) is connected with the adjusting rod (14) in a sliding mode.

2. The ducted filter screen for a desulfurization circulating pump inlet according to claim 1, wherein: the inner part of the movable pipe (3) is provided with a thread groove (4), and the inner part of the thread groove (4) is connected with the installation pipe (5) through threads.

3. The ducted filter screen for a desulfurization circulating pump inlet according to claim 2, wherein: install first filter screen (6), second filter screen (7) and third filter screen (8) from left right side in proper order in the inside of installation pipe (5), the mesh number of first filter screen (6) is 32, and the mesh number of second filter screen (7) is 36, and the mesh number of third filter screen (8) is 40.

4. The ducted filter screen for a desulfurization circulating pump inlet according to claim 1, wherein: the one end of fixed pipe (1) is opened there is spacing groove (9), the inside fixed connection of spacing groove (9) fills up sealed (12), connecting pipe (19) are cup jointed to the inside of sealed (12).

5. The ducted filter screen for a desulfurization circulating pump inlet according to claim 1, wherein: one end of the connecting pipe (19) is fixedly connected with a wire mesh (16), and the wire mesh (16) covers one side of the air duct (2).

6. The ducted filter screen for a desulfurization circulating pump inlet according to claim 1, wherein: the connecting pipe is characterized in that a positioning hole (10) is formed in the connecting pipe (19), the inside of the positioning hole (10) is connected with an adjusting rod (14) in a sliding mode, one end of the adjusting rod (14) is sleeved with a sleeve (11), one end of the sleeve (11) is fixedly connected with one end of a spring (15), the other end of the spring (15) is fixedly connected with one end of a fixing frame (13), and the spring (15) is sleeved on the adjusting rod (14).