CN222352993U - Cleaning spray head for inner wall of heat exchange tube of condenser - Google Patents
Cleaning spray head for inner wall of heat exchange tube of condenser Download PDFInfo
- Publication number
- CN222352993U CN222352993U CN202420863196.6U CN202420863196U CN222352993U CN 222352993 U CN222352993 U CN 222352993U CN 202420863196 U CN202420863196 U CN 202420863196U CN 222352993 U CN222352993 U CN 222352993U
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- Prior art keywords
- wall
- heat exchange
- exchange tube
- hole
- cleaning
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- 238000004140 cleaning Methods 0.000 title claims abstract description 56
- 239000007921 spray Substances 0.000 title abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 19
- 239000000428 dust Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
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- Nozzles (AREA)
Abstract
本实用新型公开了一种凝汽器换热管内壁清洗喷头，包括喷头体，所述喷头体内具有水流通道，所述喷头体包括直线段和锥面段，所述锥面段侧壁从前侧指向后侧的方向上直径逐渐增大，锥面段后壁与直线段前壁连接，锥面段前壁开有主清洗孔，锥面段的侧壁开有副清洗孔，所述副清洗孔的轴线与主清洗孔的轴线之间具有夹角，所述主清洗孔和副清洗孔均与水流通道连通；本结构可以使得水流喷射距离更远，并且能够使进入换热管的水流沿换热管管壁绕换热管轴线螺旋转动，使换热管内水流处于高度紊流状态，从而实现换热管内壁有效清洗。
The utility model discloses a nozzle for cleaning the inner wall of a condenser heat exchange tube, comprising a nozzle body, wherein the nozzle body is provided with a water flow channel, the nozzle body comprises a straight section and a conical section, the diameter of the side wall of the conical section gradually increases in the direction from the front side to the rear side, the rear wall of the conical section is connected to the front wall of the straight section, a main cleaning hole is opened on the front wall of the conical section, and a secondary cleaning hole is opened on the side wall of the conical section, an axis of the secondary cleaning hole is angled with the axis of the main cleaning hole, and both the main cleaning hole and the secondary cleaning hole are connected with the water flow channel; the structure can make the water flow spray farther, and can make the water flow entering the heat exchange tube spirally rotate along the wall of the heat exchange tube around the axis of the heat exchange tube, so that the water flow in the heat exchange tube is in a highly turbulent state, thereby realizing effective cleaning of the inner wall of the heat exchange tube.
Description
Technical Field
The utility model relates to the technical field of cleaning devices, in particular to a cleaning nozzle for the inner wall of a heat exchange tube of a condenser.
Background
The condenser is an important component of a cold end device of a modern thermal power plant, and has the main function of rapidly condensing steam after acting on a steam turbine into water, so that a certain vacuum degree is established and maintained at a steam discharge port of the steam turbine, and the power generation efficiency is improved. The low vacuum degree of the steam turbine exhaust port can seriously affect the safe and economic operation of a power plant unit, and one important reason for the low vacuum degree of the steam turbine exhaust port is the scaling of a heat exchange tube of a condenser and dust precipitation in the heat exchange tube. The scale formation of the condenser heat exchange tube and dust precipitation can seriously affect the heat exchange efficiency of the condenser, and meanwhile, the heat exchange tube of the condenser can be corroded, so that the potential safety hazard is realized, and the heat exchange tube of the condenser needs to be cleaned regularly.
The online cleaning robot for the condenser is used for cleaning a heat exchange tube of the condenser, and when the online cleaning robot is used for cleaning, the cleaning device is used for cleaning the inner wall of the heat exchange tube by utilizing the principle of high-pressure water jet flow, the current problem is that the water jet distance is limited, and only a part of tube walls can be cleaned when the water jet flow is linearly ejected along the axis of the heat exchange tube, so that the whole tube cannot be effectively cleaned.
Disclosure of utility model
Aiming at the defects in the prior art, the utility model provides the cleaning spray head for the inner wall of the heat exchange tube of the condenser, the structure can enable the water flow to be farther in spraying distance, and the water flow entering the heat exchange tube can be spirally rotated around the axis of the heat exchange tube along the wall of the heat exchange tube, so that the water flow in the heat exchange tube is in a highly turbulent state, and the inner wall of the heat exchange tube is effectively cleaned.
The utility model provides a condenser heat exchange tube inner wall washs shower nozzle, includes the shower nozzle body, the internal rivers passageway that has of shower nozzle, the shower nozzle body includes straightway and conical surface section, the conical surface section lateral wall is directed to the direction of rear side from the front side and is increased gradually, and conical surface section back wall is connected with straightway front wall, and conical surface section front wall is opened there is main wash hole, and the lateral wall of conical surface section is opened there is vice wash hole, have the contained angle between the axis of vice wash hole and the axis of main wash hole, main wash hole and vice wash hole all communicate with rivers passageway.
Preferably, the main cleaning hole is arranged coaxially with the nozzle body.
Preferably, the axis of the auxiliary cleaning hole is perpendicular to the side wall of the conical surface section.
Preferably, the sub-cleaning holes are provided in plurality.
Preferably, a plurality of said secondary cleaning apertures are evenly distributed circumferentially about the primary cleaning aperture axis.
Preferably, the main cleaning hole is a round hole.
Preferably, the auxiliary cleaning hole is an elliptical hole.
Preferably, the device further comprises a hexagonal prism, and the straight line section passes through the hexagonal prism and is fixedly connected with the hexagonal prism.
The utility model has the beneficial effects that the spray head body is divided into the straight line section and the conical surface section in the technical scheme, wherein the diameter of the side wall of the conical surface section gradually increases in the direction from the front side to the rear side, the front wall of the conical surface section is provided with the main cleaning hole, the side wall of the conical surface section is provided with the auxiliary cleaning hole, water flow enters from the water flow channel during cleaning, is sprayed along the direction of the axis of the spray head body through the main cleaning hole, the long spraying distance is ensured, and the water flow entering into the heat exchange tube can spirally rotate along the wall of the heat exchange tube around the axis of the heat exchange tube through the water flow sprayed by the auxiliary cleaning hole, so that the water flow in the heat exchange tube is in a highly turbulent state, and the principle of liquid dynamics is fully utilized, thereby realizing the effective cleaning of the inner wall of the heat exchange tube.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
In the drawing, the device comprises a 1-straight line section, a 2-conical surface section, a 3-auxiliary cleaning hole, a 4-main cleaning hole and a 5-hexagonal prism.
Detailed Description
Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.
It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs.
Example 1
As shown in fig. 1, this embodiment provides a cleaning nozzle for inner wall of heat exchange tube of condenser, which comprises a nozzle body, the internal water flow channel that has of shower nozzle, the shower nozzle body includes straightway 1 and conical surface section 2, diameter increases gradually in the direction of conical surface section 2 lateral wall from front side to the rear side, conical surface section 2 back wall is connected with straightway 1 front wall, and conical surface section 2 front wall is opened there is main wash hole 4, and conical surface section 2 lateral wall is opened there is vice wash hole 3, have the contained angle between the axis of vice wash hole 3 and the axis of main wash hole 4, main wash hole 4 and vice wash hole 3 all communicate with water flow channel.
In this embodiment, the main cleaning hole 4 is coaxially disposed with the nozzle body.
In this embodiment, the axis of the auxiliary cleaning hole 3 is perpendicular to the side wall of the conical surface section 2.
The number of the sub-cleaning holes 3 is plural in this embodiment.
In this embodiment, the plurality of auxiliary cleaning holes 3 are uniformly distributed around the circumference of the axis of the main cleaning hole 4.
In this embodiment, the main cleaning hole 4 is a circular hole.
The auxiliary cleaning hole 3 in this embodiment is an elliptical hole.
The embodiment further comprises a hexagonal prism 5, and the straight line segment 1 passes through the hexagonal prism 5 and is fixedly connected with the hexagonal prism 5.
In this embodiment, the straight line segment 1 and the conical surface segment 2 are integrally formed, and the straight line segment 1 and the hexagonal prism 5 are integrally formed.
In this embodiment, divide into straight line section 1 and conical surface section 2 with the shower nozzle body, wherein conical surface section 2 lateral wall is from the directional direction of rear side in diameter increase gradually, conical surface section 2 front wall sets up main wash hole 4, conical surface section 2 lateral wall sets up vice wash hole 3, during the washing, rivers get into from the rivers passageway, jet along the direction of shower nozzle body axis through main wash hole 4, guarantee to have the farther jet distance, jet through vice wash hole 3, the rivers that vice wash hole 3 jet can make the rivers that get into in the heat exchange tube follow the heat exchange tube pipe wall and wind heat exchange tube axis spiral rotation, make the interior rivers of heat exchange tube be in highly turbulent state, so make full use of the hydrodynamics principle, thereby realize the effective washing of heat exchange tube inner wall.
It should be noted that the above embodiments are only used to illustrate the technical solution of the present utility model, but not to limit the technical solution of the present utility model, and although the detailed description of the present utility model is given with reference to the above embodiments, it should be understood by those skilled in the art that the technical solution described in the above embodiments may be modified or some or all technical features may be equivalently replaced, and these modifications or substitutions do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the present utility model, and all the modifications or substitutions are included in the scope of the claims and the specification of the present utility model.
Claims (8)
1. The utility model provides a shower nozzle is washd to condenser heat exchange tube inner wall, its characterized in that, including the shower nozzle body, the internal rivers passageway that has of shower nozzle, the shower nozzle body includes straightway (1) and conical surface section (2), diameter increases gradually in the direction that conical surface section (2) lateral wall pointed to the rear side from the front side, conical surface section (2) back wall and straightway (1) front wall are connected, and conical surface section (2) front wall is opened has main wash hole (4), and the lateral wall of conical surface section (2) is opened has vice wash hole (3), have the contained angle between the axis of vice wash hole (3) and the axis of main wash hole (4), main wash hole (4) and vice wash hole (3) all communicate with rivers passageway.
2. The cleaning nozzle for the inner wall of the heat exchange tube of the condenser according to claim 1, wherein the main cleaning hole (4) is coaxially arranged with the nozzle body.
3. The cleaning nozzle for the inner wall of the heat exchange tube of the condenser according to claim 1, wherein the axis of the auxiliary cleaning hole (3) is perpendicular to the side wall of the conical surface section (2).
4. The cleaning nozzle for the inner wall of the heat exchange tube of the condenser according to claim 1, wherein a plurality of auxiliary cleaning holes (3) are arranged.
5. The cleaning nozzle for the inner wall of the heat exchange tube of the condenser according to claim 4, wherein the plurality of auxiliary cleaning holes (3) are uniformly distributed around the circumference of the axis of the main cleaning hole (4).
6. The cleaning nozzle for the inner wall of the heat exchange tube of the condenser according to claim 1, wherein the main cleaning hole (4) is a round hole.
7. The cleaning nozzle for the inner wall of the heat exchange tube of the condenser according to claim 1, wherein the auxiliary cleaning hole (3) is an elliptical hole.
8. The cleaning nozzle for the inner wall of the heat exchange tube of the condenser according to claim 1, further comprising a hexagonal prism (5), wherein the straight line segment (1) penetrates through the hexagonal prism (5) and is fixedly connected with the hexagonal prism (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420863196.6U CN222352993U (en) | 2024-04-24 | 2024-04-24 | Cleaning spray head for inner wall of heat exchange tube of condenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420863196.6U CN222352993U (en) | 2024-04-24 | 2024-04-24 | Cleaning spray head for inner wall of heat exchange tube of condenser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222352993U true CN222352993U (en) | 2025-01-14 |
Family
ID=94198583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420863196.6U Active CN222352993U (en) | 2024-04-24 | 2024-04-24 | Cleaning spray head for inner wall of heat exchange tube of condenser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222352993U (en) |
-
2024
- 2024-04-24 CN CN202420863196.6U patent/CN222352993U/en active Active
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