CN211783016U - High-pressure water cleaning anti-splash device - Google Patents
High-pressure water cleaning anti-splash device Download PDFInfo
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- CN211783016U CN211783016U CN201922214597.0U CN201922214597U CN211783016U CN 211783016 U CN211783016 U CN 211783016U CN 201922214597 U CN201922214597 U CN 201922214597U CN 211783016 U CN211783016 U CN 211783016U
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- splash guard
- expansion
- sleeve
- pressure water
- high pressure
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Abstract
The utility model discloses a high pressure water cleaning splash guard, including the installation plug-in components on splash guard and the splash guard, the splash guard is the transparent plate or is provided with transparent observation window on the opaque plate, and it has radial slot hole to go up to open, installation plug-in components are installed on the splash guard, the splash guard can wind installation plug-in components rotate. The device is used for cleaning the tubular heat exchanger by high-pressure water, can prevent sewage which flows back from the tubular heat exchanger from directly splashing on the body of a cleaning person, and can further prevent the part of sewage from flowing to the ground by using the water receiving tank, thereby improving the safety and the environmental protection.
Description
Technical Field
The utility model relates to a high pressure water cleaning anti-splash device is a device on one's body of the washing personnel of the splash of avoiding flowing back sewage when using high pressure water cleaning heat exchanger particularly.
Background
The high-pressure water cleaning is completed by pressurizing to high pressure by utilizing plunger pumps driven by a motor, a diesel engine and the like and then spraying out the high-pressure water by a high-pressure spray gun, and the high-pressure water sprayed out by the spray gun has huge striking energy, the pressure reaches more than 500bar, and different cleaning and clearing tasks can be completed. The petrochemical equipment is cleaned by using high-pressure water, so that the performance of the device equipment can be better maintained. The internal cleaning device is widely applicable to internal cleaning work in the maintenance process of petrochemical production equipment, and thus, the production capacity of the equipment can be improved.
Most of heat exchange equipment used by the chemical production device is a tube type heat exchanger, after the heat exchange equipment runs for a period of time, the heat conduction effect of the equipment is deteriorated due to impurities, water scales and other reasons in materials, and the tube side of the heat exchanger needs to be cleaned by high-pressure water regularly for recovering the heat conduction effect. In the water under high pressure cleaning process, especially to the heat exchanger of material in the tube side, because of the material is attached to the inner wall of tubulation, when clearing up with water under high pressure, some sewage can be followed tubulation cleaning end and is flowed back, especially to the more serious condition of tubulation jam, it is great to flow back, and the sewage that flows back can splash the cleaning personnel who operates high-pressure squirt on one's body, especially when every tubulation washs tip to first half section, and it is more serious to splash, so will wear raincoat rain shoes to wash usually. In addition, the splashed sewage can cause environmental pollution.
In view of this, the present invention is especially provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high pressure water washing anti-splash device to when rinsing the heat exchanger with high pressure water, reduce and stop the sewage that flows back even and splash to operating personnel on one's body.
The utility model discloses a high pressure water cleaning splash guard, including the installation plug-in components on splash guard and the splash guard, the splash guard is the transparent plate or is provided with transparent observation window on the non-transparent plate, and it has radial slot hole to go up to open, the installation plug-in components are installed on the splash guard, the splash guard can wind installation plug-in components rotate.
Preferably, the splash guard is a transparent disc, and the mounting insert is mounted in the center of the transparent disc.
Preferably, the mounting insert may be a tube or rod that can be inserted into the column, and the splash guard is mounted between the second retainer and the stop nut on the tube or rod.
More preferably, the installation plug-in components are the cover subassembly that expands, the cover subassembly that expands includes an expanding sleeve, is equipped with the bloated stopper in the expanding sleeve, and the nut that draws is equipped with to the bloated stopper one end to the realization passes through the expanding sleeve and firmly adorns the splashproof safety guard on the heat exchanger tube nest.
More preferably, the expansion sleeve is formed by combining a sleeve and an expansion pipe which are coaxially arranged, the expansion pipe is sleeved on the expansion end of the expansion plug, and the splash guard is arranged on the sleeve.
Preferably, a first limit retaining ring is arranged at one end of the sleeve pipe close to the expansion pipe to ensure the length of the sleeve pipe left outside the tube array, namely, a certain distance is kept between the splash guard and the tube plate of the heat exchanger.
Preferably, the sleeve is further provided with a second limit stop ring and a limit nut arranged on the sleeve, a rotating sleeve is assembled between the second stop ring and the limit nut, the rotating sleeve is provided with a locking nut, and the disc is clamped and assembled on the rotating sleeve.
Furthermore, the water receiving tank is used for collecting sewage flowing down from the splash-proof safety cover.
The utility model discloses a high pressure water cleaning anti-splash device for high pressure water cleaning heat exchanger, the sewage splash that the splashproof safety guard can avoid the heat exchanger tubulation to flow back to the purger of operating the high-pressure squirt on one's body, utilizes the water receiving tank can further avoid this part sewage directly to flow to ground simultaneously, has improved the security of operation, and avoids the pollution to the environment, has guaranteed that abluent environment is clean and tidy.
Drawings
FIG. 1 is a schematic diagram of the components of a high pressure water cleaning sewage recycling system.
Fig. 2 is the structure schematic diagram of the splash guard of the present invention.
Fig. 3 is a right side view of fig. 3.
Fig. 4 is a schematic structural view of the expansion sleeve assembly.
Fig. 5 is a schematic view of the tube expansion structure.
Fig. 6 is a schematic view of a second embodiment of the mounting insert.
In the figure: 1. sewage collecting tank, 2, pipeline, 3, mount, 4, collect the cover, 5, ligature area, 6, drain, 7, water receiving tank, 8, splashproof safety guard, 10, pipe, 14, disc, 15, stop nut, 16, bloated stopper, 17, high-pressure squirt removal hole, 18, sleeve pipe, 19, first stop collar, 20, expand tube, 21, lock nut, 22, commentaries on classics cover, 23, the nut that expands that draws.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments to help understanding the contents of the present invention.
FIG. 1 shows an embodiment of a high pressure water cleaning waste recovery system. The whole system comprises a sewage collecting tank 1 for collecting sewage generated after the heat exchanger is cleaned by high-pressure water; the collecting cover 4 is in a cylindrical shape with one closed end and one open end, the open end is in a waterproof cloth sleeve shape at one end of the heat exchanger, and the collecting cover is bound on a shell of the heat exchanger through a binding belt 6; the gantry-shaped fixing frame 3 is used for fixing and supporting the collecting cover 4, and a sewage outlet 5 is arranged at the lowest part of the collecting cover 4 and is connected to a water inlet pipe of the sewage collecting tank 1 through a pipeline 2.
Install at the heat exchanger right-hand member shown in fig. 1 the utility model discloses a splash guard 8 that high pressure water washing used, and place water receiving tank 7 on this end ground of heat exchanger or base, water receiving tank 7 is located splash guard 8 below, receives the sewage that flows down from this end of splash guard and heat exchanger, and water receiving tank 7 links to each other with sewage collecting tank 1 inlet tube through the pipeline equally.
As shown in fig. 2 and 3, is an embodiment of the splatter shield. The splash guard comprises a disc 14 of transparent plastic material (e.g. PC plastic) having a raised edge similar to a kitchen dish, which is shaped to deflect the sewage away from the edge of the disc 14 toward the heat exchanger rather than toward the operator of the water gun, under the guiding and guiding action of the curved edge of the disc, after impacting the surface of the disc, when the flow and velocity of the sewage flowing back are high. The disc 14 has a radially elongated hole for a high pressure water gun displacement hole 17 to facilitate cleaning of the plurality of tubular columns without rotating the disc 14. A mounting insert is mounted in the center of the transparent disc 14 and the mounting of the disc 14 at the end of the heat exchanger is achieved by mounting the mounting insert within the heat exchanger tube array.
It will be appreciated that the splash guard may also be a flat plate of other contour shapes, such as regular polygonal or elliptical, if no guiding of the return sewage on the splash guard is considered. Besides the whole of the splash-proof safety cover can be made of transparent materials, the transparent design can be only adopted around the moving hole 17 of the high-pressure water gun, so that the heat exchanger tube column behind the splash-proof safety cover can be seen conveniently.
Fig. 6 shows a schematic view of a simple embodiment of the mounting insert, which is a circular tube 10, the disc 14 is sleeved on the circular tube 10, and the disc 14 is positioned on the circular tube 10 by a stop nut 15 and a corresponding second stop ring, so that the disc 14 can rotate on the circular tube 10 without axial movement. In order to ensure that the splash guard is at a reasonable distance, for example 300mm, from the end tube plate of the tubular heat exchanger after installation, a first stop ring 19 is provided on the round tube 10 to abut against the end face or the tube plate of the tubular heat exchanger, so that the round tube 10 does not move into the tubular heat exchanger when the length of the round tube 10 inserted into the tubular heat exchanger is too long or the round tube is in operation. The first stop collar 19 has a front end (left end in the figure) of a circular tube length for insertion into the tube array, and the length of the circular tube length ensures that the splash guard is stable and does not fall off the heat exchanger, and the specific length depends on the weight of the disc.
To ensure that the splash guard is securely mounted to the tube, i.e. without the intention of easily moving axially, and in view of the fact that the tube of figure 6 cannot be inserted deeper when the tube becomes too clogged, in the preferred embodiment of figures 2 and 4 the mounting insert employs an expansion sleeve assembly, as described in more detail below.
As shown in fig. 2 and 4, the expansion sleeve assembly includes a sleeve 18, and the front end of the sleeve 18 is provided with a first limit stop ring 19 for stopping at the end of the tube array when the tube array is inserted, so that the disc 14 has a stable distance from the tube plate of the tube array of the heat exchanger, and a force acting surface between the tube plate and the sleeve is provided, which is beneficial to reducing the force of the tube array inserted part.
In the preferred embodiment, the sleeve 18 also has a second stop collar at the center and a stop nut 15 at the end, a rotating sleeve 22 is assembled and stopped between them so that it cannot move axially, and the rotating sleeve 22 can rotate around the sleeve 18. The rotating sleeve 22 is provided with the locking nut 21, the locking nut 21 is used for clamping and assembling the disc 14 on the rotating sleeve 22, and due to the fact that the metal rotating sleeve rubs against the metal sleeve 18 during rotation, compared with the installation mode of the disc shown in the figure 6, the structure of the rotating sleeve is flexible in rotation, and the disc 14 made of plastic materials with low hardness cannot be abraded in the using process.
An expansion plug 16 is arranged in the sleeve 18, one end of the expansion plug 16 corresponding to the expansion end (the left end in the figure) of the expansion sleeve assembly adopts an expansion structure, the other end is a threaded end and penetrates out of the right end of the sleeve 18, and an expansion nut 23 is arranged on the threaded end.
The sleeve 18 may be arranged in an expandable configuration directly at the left end as shown in figure 4 to form an expansion sleeve to facilitate expansion of the sleeve 18 to the heat exchanger tubes by direct compression of the right end by the expansion plug. However, in this embodiment, the sleeve 18 as the expansion sleeve assembly is usually made of stainless steel or carbon steel, and in order to improve the utilization rate and the assembling and disassembling convenience, an independent expansion tube 20 is coaxially arranged with the sleeve 18, and the structure of the expansion sleeve assembly is as shown in fig. 5, one end of the expansion tube is provided with at least two axial slits, so that the slits are enlarged and expanded when stressed, the expansion tube assembly can be made of materials which are easy to deform and/or have certain elasticity, such as plastics, copper, steel and the like, and is not influenced by the material of the sleeve 18, and only the expansion tube 20 needs to be replaced after being repeatedly used and damaged.
Referring to the mode shown in fig. 1, during installation, the left end of the expansion pipe 18 is inserted into one tube in the middle of the tube heat exchanger, the expansion nut 23 at the right end of the expansion plug 16 is screwed, the nut generates a pulling force for pulling the expansion plug 16 towards the right side in the figure, and the expansion structure at the left end of the expansion plug 16 extrudes the expansion end with the axial gap at the left end of the expansion pipe 20 outwards, so that the expansion end is expanded and supported on the inner wall of the tube of the heat exchanger, and the expansion pipe is installed and fixed at one end of the tube heat exchanger in the mode. Because the expansion support is arranged on the inner wall of the heat exchange tube nest, the expansion support is not easy to axially move or fall off in the use process, and meanwhile, the insertion length of the expansion support does not need to be as long as that of the mode shown in figure 6, and usually 40-50mm is enough.
The high-pressure water gun penetrates through the high-pressure water gun moving hole 17 and then is inserted into the tube array of the tube array heat exchanger to carry out high-pressure water cleaning, most of high-pressure water flows out from the left end of the heat exchanger in the figure 1 together with cleaning water and dirt and enters the collecting cover, and the other part of high-pressure water flows out from the right end of the heat exchanger in the figure 1 in a reverse splashing mode and splashes onto the anti-splashing safety cover 8 and then flows downwards along the surface of the anti-splashing safety cover to enter the water. After a tubulation has been washd, remove hole 17 along the high-pressure squirt and can change the high-pressure squirt and remove the angle that hole 17 was removed at the tubulation heat exchanger in the high-pressure squirt, rotatory splashproof safety guard then can change to the washing of other tubulations of tubulation heat exchanger except that the tubulation of installation expand tube. After the expansion nut 23 is loosened, the expansion plug 16 is pushed inwards, the expansion end of the expansion tube 20 is folded under the elastic action, and the expansion sleeve assembly and the splash-proof safety cover can be taken down.
The utility model discloses in petrochemical plant equipment washs and uses, play anticipated effect, the operation site environment obtains very big improvement, has changed in the past that the sewage that high pressure water cleaning operation site cleaning used trickles at will and the filth phenomenon that splashes everywhere, has protected the staff.
Claims (10)
1. The utility model provides a water under high pressure washs anti-splash device which characterized in that: including the installation plug-in components on splash guard and the splash guard, the splash guard is the transparent plate or is provided with transparent observation window on the non-transparent plate, and it has radial slot hole to open above, the installation plug-in components are installed on the splash guard, the splash guard can wind installation plug-in components rotate.
2. The high pressure water cleaning splash guard of claim 1, wherein said splash guard is a transparent disk, and said mounting insert is centrally located on said transparent disk.
3. The high pressure water cleaning splash guard of claim 1 or 2, wherein the mounting insert is a tube or rod that can be inserted into the array tube, and the splash guard is mounted between the second retainer ring and the retainer nut on the tube or rod.
4. The high-pressure water cleaning anti-splash device as claimed in claim 3, wherein a first limit stop ring is arranged on the round tube or the round rod.
5. The high pressure water cleaning splash guard device of claim 1 or 2, wherein the mounting insert is an expansion sleeve assembly, the expansion sleeve assembly comprises an expansion sleeve, an expansion plug is arranged in the expansion sleeve, and an expansion nut is arranged at one end of the expansion plug.
6. The high pressure water cleaning splash guard of claim 5, wherein the expansion sleeve is composed of a coaxially mounted sleeve and an expansion pipe, the expansion pipe is sleeved on the expansion end of the expansion plug, and the splash guard is mounted on the sleeve.
7. The high pressure water cleaning splash guard of claim 6, wherein: and a first limiting retainer ring is arranged at one end of the sleeve close to the expansion pipe.
8. The high pressure water cleaning splash guard of claim 6, wherein: the sleeve pipe is also provided with a second limit retainer ring and a limit nut, a rotating sleeve is assembled between the second retainer ring and the limit nut, and the rotating sleeve is provided with a locking nut to tightly assemble the splash-proof safety guard on the rotating sleeve.
9. The high pressure water cleaning splash guard of claim 6, wherein the expansion tube is a round tube with at least two axial slits at one end.
10. The high pressure water cleaning splash guard assembly of claim 1 or 2, wherein: the device also comprises a water receiving tank for collecting sewage flowing down from the splash-proof safety cover.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201922214597.0U CN211783016U (en) | 2019-12-11 | 2019-12-11 | High-pressure water cleaning anti-splash device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201922214597.0U CN211783016U (en) | 2019-12-11 | 2019-12-11 | High-pressure water cleaning anti-splash device |
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Publication Number | Publication Date |
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CN211783016U true CN211783016U (en) | 2020-10-27 |
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CN201922214597.0U Active CN211783016U (en) | 2019-12-11 | 2019-12-11 | High-pressure water cleaning anti-splash device |
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CN (1) | CN211783016U (en) |
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2019
- 2019-12-11 CN CN201922214597.0U patent/CN211783016U/en active Active
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