CN210022546U - High pressure nozzle and wall surface cleaning trolley with same - Google Patents
High pressure nozzle and wall surface cleaning trolley with same Download PDFInfo
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- CN210022546U CN210022546U CN201920695037.9U CN201920695037U CN210022546U CN 210022546 U CN210022546 U CN 210022546U CN 201920695037 U CN201920695037 U CN 201920695037U CN 210022546 U CN210022546 U CN 210022546U
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Abstract
The utility model discloses a high pressure nozzle and contain high pressure nozzle's wall washing dolly has solved the artifical problem that can't be safe, swiftly clear up of boiler inner wall among the prior art, and its technical essential is: the utility model provides a high-pressure nozzle, shower nozzle including stainless steel system makes, run through in the shower nozzle and offer the water spray pore that is used for guiding rivers spun, the pore includes that water spray pore includes two sections coaxial intercommunication income water course and goes out the water course, it is less than the cross-section of income water course to go out the cross-section of water course in the perpendicular to rivers direction, the one end of going into the water course and going into water way and being connected is provided with the enhancement post, the enhancement post is the columnar structure who runs through and offer the water conservancy diversion pore, water conservancy diversion pore cross-sectional area diminishes along the direction that is close to the water course gradually, the uncovered border that the water conservancy diversion pore is close to the water course coincides with the opening border that goes out. Through the scheme, the high-pressure sprayer can be used for remotely cleaning water flow with higher pressure intensity.
Description
Technical Field
The utility model belongs to the technical field of boiler cleaning equipment's technique and specifically relates to a high pressure nozzle and contain high pressure nozzle's wall washing dolly is related to.
Background
The large-scale steel structure has a large-scale vertical wall surface, and high-altitude high-risk operation is frequently required when the surface of the large-scale steel structure needs to be cleaned, inspected and repaired. Taking a boiler water wall as an example: the water wall is the main heated part of the boiler, is composed of a plurality of rows of steel pipes and is generally vertically paved in the furnace wall distributed around the hearth. The water-cooled wall mainly absorbs the radiation heat of high-temperature flame and high-temperature flue gas in the hearth, and the working medium in the water-cooled wall is flowing water or steam which rises when heated and steamed. The water-cooled wall is a main form of an evaporation heating surface of various modern boilers and is also a basic component in a boiler water circulation loop, and 40-50% or even more of heat in the boiler is absorbed by the water-cooled wall due to the functions of cooling and protecting the boiler wall. Modern water tube boilers all use water-cooled walls as the most important evaporation heating surfaces in the boiler, except for a few small-volume boilers.
The water-cooled wall of the boiler has a complex and severe working environment, and is easy to corrode, scale, slag and the like, so that the reliability and performance of the boiler are reduced. The causes and mechanisms of corrosion are complex and various, and the corrosion not only occurs on the water vapor side, but also often seriously occurs on the smoke side. The burst of the water-cooled wall caused by corrosion has the sudden property, once the water-cooled wall is corroded, the burst result is very serious, and the safe operation of a boiler and a unit is seriously threatened. Therefore, the water wall is necessary to be inspected and maintained, but the water wall is large in size, not easy to be accessed by personnel and full of dust on the surface due to the high internal temperature of the boiler and the limited space, so that great difficulty and danger are brought to the inspection and maintenance operation.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high pressure nozzle, its purpose makes the clearance water can send out under water supply installation and can stabilize high-speed blowout with the help of high pressure nozzle, realizes cleaing away the dirt layer on the water-cooling wall.
The utility model discloses a can realize through following technical scheme:
a high pressure showerhead, characterized by: the water-spraying nozzle comprises a nozzle made of stainless steel, wherein a water spraying hole channel used for guiding water flow to spray is arranged in the nozzle in a penetrating mode, the hole channel comprises a water inlet channel and a water outlet channel which are coaxially communicated, the cross section of the water outlet channel in the direction perpendicular to the water flow direction is smaller than that of the water inlet channel, a reinforcing column is arranged at one end, connected with the water inlet channel, of the water inlet channel, the reinforcing column is of a columnar structure penetrating through the water inlet channel, the cross section area of the water guiding hole channel is gradually reduced along the direction close to the water outlet channel, the opening edge, close to the water outlet channel, of the water guiding hole channel is coincided with the opening edge of the water outlet channel, and the opening edge, far away from the water outlet channel.
By adopting the technical scheme, the spray head is made of the stainless steel material, so that the stability and the service life of the high-pressure spray head can be effectively ensured when the high-pressure spray head continuously sprays water at high pressure; the cross section area of the inner water outlet channel is smaller than that of the water inlet channel, so that the flow speed and pressure of water flow are increased when the water flow enters the water outlet channel, the speed of the water flow sprayed out from the high-pressure spray head is further increased, and the water-cooled wall in the boiler can be thoroughly cleaned. On the other hand, because the strengthening column is arranged at the bottom of the water inlet channel, the pressure borne by the spray head at the joint of the water outlet channel and the water inlet channel is obviously strengthened, and the edges of the two ends of the strengthening column are respectively attached to the inner wall of the water inlet channel and the open edge of the water outlet channel, so that water flow can enter the water outlet channel from the water inlet channel more smoothly, the bottom wall of the water inlet channel is prevented from being impacted too much, the impact resistance inside the high-pressure spray head and the use stability of the high-pressure spray head are improved, and the sustainable use of the high-pressure spray head is further ensured, so that the cleaning work of the water.
Further setting the following steps: the spray head is formed by integrally connecting two sections of cylinders with different diameters, the water outlet channel and the water inlet channel are respectively arranged in the two sections of cylinders of the spray head, the diameter of the cylinder provided with the water inlet channel is larger than that of the cylinder provided with the water outlet channel, and the outer wall of the end part of the cylinder provided with the water inlet channel is provided with a thread structure.
By adopting the technical scheme, because the flow velocity of water flow in the water outlet channel and the pressure generated on the inner wall of the spray head are larger, the inner wall of the water outlet channel has stronger impact resistance by virtue of thicker wall thickness of the spray head at the position of the water outlet channel, and meanwhile, because the water flow velocity of the water inlet channel is slower, the manufacturing cost of the high-pressure spray head can be further reduced by arranging thinner wall thickness of the spray head at the water inlet channel section, so that the high-pressure spray head has higher practicability; the thread ring outside the high-pressure spray head can be in threaded connection with a water delivery pipeline, so that the high-pressure spray head is installed.
Further setting the following steps: the cross-sectional area of the water outlet channel in the direction perpendicular to the extending direction of the water outlet channel is gradually increased in the extending direction of the water outlet channel, and the maximum cross-sectional area of the water outlet channel is smaller than that of the water inlet channel.
Through adopting above-mentioned technical scheme, make rivers be fan-shaped blowout when following the exhalant canal blowout to spray area is bigger when high pressure nozzle carries out high pressure water spray, and then provides the cleaning efficiency to boiler water-cooling wall.
Further setting the following steps: the flow guide pore channel is in a round table-shaped structure, and the cone vertex angle of the flow guide pore channel is 120-135 degrees.
Through adopting above-mentioned technical scheme, the awl apex angle is in and can make rivers more smooth and easy when getting into the outlet channel from going into the water course between 120 degrees ~135 degrees, avoids the rivers pressure that increases too strong to improve high pressure nozzle's stability in use and life.
Further setting the following steps: the reinforcing column is a silicon nitride ceramic sheet.
By adopting the technical scheme, the silicon nitride ceramic chip has the characteristics of low density, high strength, high temperature resistance and the like, so that the reinforcing column can be stably used in the process of leading water flow to pass through and intensively increasing pressure, and the stability and the service life of the high-pressure spray head are further improved.
Further setting the following steps: and a buffer net for buffering water flow is fixedly arranged in the water inlet channel of the spray head.
Through adopting above-mentioned technical scheme, make rivers more even in order to control the initial pressure of high-pressure rivers in suitable scope after getting into high pressure nozzle, guarantee high pressure nozzle's stable use, the structural stability that high pressure nozzle can further be strengthened to the buffering net simultaneously.
The second purpose of the utility model is to provide a wall cleaning trolley that contains high pressure nozzle, its purpose.
The utility model discloses a can realize through following technical scheme: the utility model provides a wall cleaning trolley, includes high pressure nozzle, still includes the automobile body and rotates to be connected two pairs of magnetic wheel on the automobile body, two pairs of the magnetic wheel sets up respectively the both ends of automobile body, be provided with in the automobile body and be used for the drive magnetic wheel pivoted drive arrangement and be used for received signal and send command's controlling means, drive arrangement with controlling means control connection, high pressure nozzle releasable connection be in on the one end outer wall of automobile body, high pressure nozzle is connected with water supply installation.
Through adopting above-mentioned technical scheme, the magnetic wheel of automobile body both sides can make the automobile body stably adhere to on boiler metal material's inner wall to can remove after receiving the control signal through drive arrangement and the controlling means in it, high pressure nozzle installs and is connected with water supply installation when on the automobile body simultaneously, finally removes the in-process at the automobile body and carries out high-pressure water flow to the boiler inner wall and wash, realizes long-distance high-efficient washing boiler inner wall.
Further setting the following steps: fixed mounting has the mounting bracket on the outer wall of automobile body one end, the fixed shower nozzle support that is provided with on the mounting bracket, set up the confession on the shower nozzle support set up the perforation that the partial cylinder that has gone into the water course passed in the high pressure nozzle, high pressure nozzle keeps away from the one end threaded connection who goes out the water course has high-pressure hose, high-pressure hose with water supply installation connects.
Through adopting above-mentioned technical scheme, utilize the mounting bracket with shower nozzle support fixed mounting to wear out with the help of the one end of high pressure nozzle when perforating on the shower nozzle support, make the great partial cylinder butt of its diameter on the shower nozzle support, the cylinder that the while opposite side was worn out passes through the helicitic texture in the outside and is connected with high-pressure hose, realizes with high pressure nozzle releasable connection on the automobile body.
Further setting the following steps: a plurality of spray nozzle supports and high-pressure spray nozzles arranged in the spray nozzle supports are arranged on the mounting frame at intervals.
Through adopting above-mentioned technical scheme, install a plurality of high pressure shower nozzles and can make the clearance dolly clearance area greatly increased at the during operation on the automobile body to improve whole work efficiency.
Further setting the following steps: the top surface of the vehicle body is provided with a positioning sheet, and the positioning sheet is provided with a positioning hole for the high-pressure hose to pass through.
Through adopting above-mentioned technical scheme, make the clearance dolly remove the clearance in-process, the high pressure hose end portion body of being connected with high pressure nozzle is attached on clearance dolly automobile body steadily, avoids this part body to rock at will and leads to body and high pressure nozzle's being connected to take place not hard up, realizes promoting the stability in use of clearance dolly.
To sum up, the utility model discloses a beneficial technological effect does:
(1) the high-pressure nozzle has stronger impact strength and stability by virtue of the internal reinforcing column and the self structure thereof, so that higher-pressure water flow can be used, and the cleaning efficiency is improved;
(2) the wall surface cleaning trolley enables an operator to clean the floor remotely, and is safer and more reliable.
Drawings
FIG. 1 is a schematic view of the overall structure of a high pressure showerhead;
FIG. 2 is a top view of the high pressure showerhead;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
fig. 4 is a schematic view of the overall structure of the second embodiment.
Reference numerals: 1. a spray head; 2. a water spray channel; 3. a water inlet channel; 4. a water outlet channel; 5. a reinforcement column; 6. a diversion duct; 7. a buffer net; 8. a magnetic wheel; 9. a mounting frame; 10. a nozzle support; 11. perforating; 12. positioning plates; 13. positioning holes; 14. a vehicle body.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
referring to fig. 1 and 3, for the utility model discloses a high-pressure nozzle, including the shower nozzle 1 by stainless steel material integrated into one piece, shower nozzle 1 is the columnar structure setting that has two sections different diameters in its axial. A water spraying pore channel 2 for spraying water flows is arranged in the nozzle 1 along the axial direction. Meanwhile, the water spraying pore canal 2 comprises a water inlet channel 3 and a water outlet channel 4 which are respectively arranged in two sections of columnar structures with different diameters. Wherein, the water inlet channel 3 is arranged in the part of the spray head 1 with larger diameter, the water outlet channel 4 is arranged in the part of the spray head 1 with smaller diameter, and the water inlet channel 3 is coaxially communicated with the water outlet channel 4.
Referring to fig. 3, the opening diameter of the water inlet channel 3 is smaller than the opening diameter of the water outlet channel 4, that is, the water outlet channel 4 is opened at the bottom wall of the water inlet channel 3 in the spray head 1. By means of the diameter difference between the water outlet channel 4 and the water inlet channel 3, the flow speed and the pressure of water flow are increased when the water flow enters the water outlet channel 4 from the water inlet channel 3, and finally the water flow sprayed by the high-pressure spray nozzle has enough flow speed and impact force, so that scale layers on the inner wall of the lower boiler can be smoothly washed when the inner wall of the boiler is cleaned.
Referring to fig. 3, in order to prevent the water flow from causing excessive impact on the inner wall of the nozzle 1 at the joint of the water inlet passage 3 and the water outlet passage 4 due to the rise of flow velocity and pressure, a reinforcing column 5 is arranged between the water inlet passage 3 and the water outlet passage 4, and the reinforcing column 5 is made of a silicon nitride ceramic plate. The outer wall of the reinforcing column 5 is attached to the inner wall of the water inlet channel 3, and the end face of the bottom end of the reinforcing column 5 is attached to the bottom wall of the water inlet channel 3. The reinforcing column 5 is internally provided with a flow guide pore passage 6 for water flow to pass through along the axial direction, and the opening peripheries of the flow guide pore passage 6 on the two end surfaces of the reinforcing column 5 are respectively attached to the inner wall of the water inlet channel 3 and the opening periphery of the water outlet channel 4 on the bottom wall of the water inlet channel 3, so that the flow guide pore passage 6 is in a circular truncated cone-shaped structure. It is worth to be noted that the diversion pore canal 6 is in a circular truncated cone-shaped structure with a cone apex angle of 120 degrees. The water outlet channel 4 is in a round table structure like the diversion pore channel 6, and the area of one end of the water outlet channel 4 communicated with the water inlet channel 3 is the smallest.
Referring to fig. 1, a thread structure is provided on an outer wall of an end portion of a nozzle 1 having a water inlet passage 3, and a buffer net 7 for buffering water flow is provided in the water inlet passage 3, the buffer net 7 being formed in a shape of "8" and integrally connected to an inner wall of a high pressure nozzle.
The implementation principle and the beneficial effects of the embodiment are as follows: the high-pressure spray head is made of stainless steel so that the high-pressure spray head has higher strength, and the water inlet channel 3 and the water outlet channel 4 with different diameters are arranged in the high-pressure spray head so that water flow has higher flow speed and impact force when being sprayed out, thereby ensuring that the water flow sprayed out by the high-pressure spray head can smoothly wash the scale layer; simultaneously, the diameters of the reinforcing column 5 in the spray head 1 and the two cylinder bodies of the spray head 1 are different, so that the strength and the use stability of the spray head 1 are improved, and the high-pressure spray head has a long service life when effectively spraying high-pressure water flow.
Example two:
referring to fig. 4, the wall surface cleaning trolley comprises a trolley body 14 and two pairs of magnetic wheels 8 rotatably arranged at two ends of the trolley body, wherein a driving device (not shown) for driving the magnetic wheels 8 and a control device (not shown) in control connection with the driving device are arranged in the trolley body 14. The end part of the vehicle body 14 is provided with a mounting rack 9 for mounting the high-pressure nozzle, the mounting rack 9 is in a pi-shaped structure, and the end parts of the mounting rack 9, which are parallel to the two rods, are integrally connected with the end surface of the vehicle body 14.
The mounting frame 9 is provided with a nozzle support 10 for mounting a high-pressure nozzle, the nozzle support 10 is of a cuboid block structure, and three groups are arranged on the rod body of the mounting frame 9 far away from the vehicle body 14 at intervals. A through hole 11 for connecting a high-pressure nozzle penetrates through the nozzle support 10 along the vertical direction, and the diameter of the through hole 11 is the same as that of the part of the cylinder with the smaller diameter of the nozzle 1, so that the part of the cylinder with the smaller diameter of the high-pressure nozzle upwards passes through the through hole 11 after being placed down from the nozzle support 10, and a high-pressure hose (not shown in the figure) for conveying water flow is connected above the mounting frame 9.
Meanwhile, an L-shaped positioning sheet 12 is arranged on the top surface of the vehicle body 14, the bottom of the positioning sheet 12 is welded with the vehicle body 14, and a positioning hole 13 for a high-pressure hose to pass through is arranged on the surface, perpendicular to the surface of the vehicle body 14, of the positioning sheet 12 in a penetrating mode. Meanwhile, the vehicle body 14 is provided with a water supply device (not shown) for supplying water, and the other end of the high-pressure water pipe is connected thereto.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (10)
1. A high pressure showerhead, characterized by: comprises a spray head (1) made of stainless steel, a water spraying pore passage (2) for guiding water flow to spray is arranged in the spray head (1) in a penetrating way, the pore canal comprises a water spraying pore canal (2) and a water inlet channel (3) and a water outlet channel (4) which are coaxially communicated, the section of the water outlet channel (4) in the direction vertical to the water flow is smaller than that of the water inlet channel (3), a reinforcing column (5) is arranged at one end of the water inlet channel (3) connected with the water inlet channel (3), the reinforcing column (5) is a columnar structure which is provided with a diversion pore canal (6) in a penetrating way, the cross section area of the diversion pore canal (6) is gradually reduced along the direction close to the water outlet canal (4), the opening edge of the diversion pore canal (6) close to the water outlet channel (4) is coincided with the opening edge of the water outlet channel (4), the opening edge of the diversion pore channel (6) far away from the water outlet channel (4) is attached to the inner wall of the water outlet channel (4).
2. The high pressure showerhead of claim 1, wherein: the spray head (1) is formed by integrally connecting two cylinders with different diameters, the water outlet channel (4) and the water inlet channel (3) are respectively arranged in the two cylinders of the spray head (1), the diameter of the cylinder provided with the water inlet channel (3) is larger than that of the cylinder provided with the water outlet channel (4), and the outer wall of the end part of the cylinder provided with the water inlet channel (3) is provided with a thread structure.
3. The high pressure showerhead of claim 1, wherein: the cross-sectional area of the water outlet channel (4) in the direction perpendicular to the extending direction of the water outlet channel is gradually increased in the extending direction of the water outlet channel (4), and the maximum cross-sectional area of the water outlet channel (4) is smaller than that of the water inlet channel (3).
4. The high pressure showerhead of claim 1, wherein: the flow guide duct (6) is of a circular truncated cone-shaped structure, and the cone vertex angle of the flow guide duct (6) ranges from 120 degrees to 135 degrees.
5. The high pressure showerhead of claim 1, wherein: the reinforcing column (5) is a silicon nitride ceramic sheet.
6. The high pressure showerhead of claim 1, wherein: a buffer net (7) for buffering water flow is fixedly arranged in the water inlet channel (3) of the spray head (1).
7. A wall surface cleaning trolley is characterized in that: the high-pressure sprayer comprises the high-pressure sprayer according to any one of claims 1 to 6, and further comprises a vehicle body (14) and two pairs of magnetic wheels (8) rotatably connected to the vehicle body (14), wherein the two pairs of magnetic wheels (8) are respectively arranged at two ends of the vehicle body (14), a driving device for driving the magnetic wheels (8) to rotate and a control device for receiving signals and sending instructions are arranged in the vehicle body (14), the driving device is in control connection with the control device, the high-pressure sprayer is detachably connected to the outer wall of one end of the vehicle body (14), and the high-pressure sprayer is connected with a water supply device.
8. The wall wash cart of claim 7, wherein: fixed mounting has mounting bracket (9) on automobile body (14) one end outer wall, the fixed shower nozzle support (10) that is provided with on mounting bracket (9), offer the confession on shower nozzle support (10) seted up perforation (11) that the part cylinder of income water course (3) passed in the high pressure nozzle, high pressure nozzle keeps away from the one end threaded connection of water outlet channel (4) has high pressure hose, high pressure hose with water supply installation connects.
9. The wall wash cart of claim 8, wherein: a plurality of spray nozzle supports (10) and high-pressure spray nozzles arranged in the spray nozzle supports (10) are arranged on the mounting rack (9) at intervals.
10. The wall wash cart of claim 8, wherein: the top surface of the vehicle body (14) is provided with a positioning sheet (12), and the positioning sheet (12) is provided with a positioning hole (13) for the high-pressure hose to pass through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920695037.9U CN210022546U (en) | 2019-05-15 | 2019-05-15 | High pressure nozzle and wall surface cleaning trolley with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920695037.9U CN210022546U (en) | 2019-05-15 | 2019-05-15 | High pressure nozzle and wall surface cleaning trolley with same |
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| Publication Number | Publication Date |
|---|---|
| CN210022546U true CN210022546U (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920695037.9U Active CN210022546U (en) | 2019-05-15 | 2019-05-15 | High pressure nozzle and wall surface cleaning trolley with same |
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| CN (1) | CN210022546U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110026303A (en) * | 2019-05-15 | 2019-07-19 | 国电青山热电有限公司 | A kind of high-pressure nozzle and the wall surface containing high-pressure nozzle clean trolley |
-
2019
- 2019-05-15 CN CN201920695037.9U patent/CN210022546U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110026303A (en) * | 2019-05-15 | 2019-07-19 | 国电青山热电有限公司 | A kind of high-pressure nozzle and the wall surface containing high-pressure nozzle clean trolley |
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Address after: 430000 sujiawan, Qingshan District, Wuhan City, Hubei Province Patentee after: Guoneng Changyuan Wuhan Qingshan Thermal Power Co.,Ltd. Address before: 430000 sujiawan, Qingshan District, Wuhan City, Hubei Province Patentee before: Guodian Qingshan Thermal Power Co.,Ltd. |