CN114061362A - Self-advancing heat exchanger tube side cleaning spray head - Google Patents
Self-advancing heat exchanger tube side cleaning spray head Download PDFInfo
- Publication number
- CN114061362A CN114061362A CN202111413969.8A CN202111413969A CN114061362A CN 114061362 A CN114061362 A CN 114061362A CN 202111413969 A CN202111413969 A CN 202111413969A CN 114061362 A CN114061362 A CN 114061362A
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- rotating wheel
- wheel set
- jet flow
- flow surface
- nozzle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G3/00—Rotary appliances
- F28G3/04—Rotary appliances having brushes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G15/00—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G9/00—Cleaning by flushing or washing, e.g. with chemical solvents
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Nozzles (AREA)
Abstract
The invention relates to a self-advancing heat exchanger tube side cleaning spray head, which comprises a spray head main body, a brush, a rear rotating wheel set and a front rotating wheel set, wherein the front rotating wheel set, the rear rotating wheel set and the brush are all arranged on the spray head main body; the front rotating wheel set is arranged in front of the nozzle cavity, the rear rotating wheel set is arranged behind the nozzle cavity, and the brush is arranged behind the rear rotating wheel set; the front rotating wheel set and the rear rotating wheel set are both composed of a plurality of rotating wheel mechanisms; the jet flow surface of the nozzle consists of a main power jet flow surface, a radial cleaning jet flow surface and a front end barrier-removing jet flow surface. The invention utilizes the recoil force of high-pressure water jet to the pipe wall to drive the rotating wheel set to rotate so as to realize self-feeding, firstly washing and then brushing, and can realize self-feeding washing and brushing of the pipe pass of the heat exchanger in the pipeline.
Description
Technical Field
The invention relates to a heat exchanger cleaning device applied to the industrial fields of petroleum, chemical engineering, power, atomic energy and the like, in particular to a self-advancing heat exchanger tube side cleaning spray head.
Background
The heat exchanger is a heat exchange device which transfers partial heat of hot fluid to cold fluid, and plays an increasingly important role as important process equipment in the industrial fields of petroleum, chemical industry, power, atomic energy and the like. Among them, the shell-and-tube heat exchanger accounts for a large specific gravity. When the heat exchanger is in use, dirt is deposited on the heat exchange surface because the heat exchange medium is mostly untreated hard water. The dirt can cause wall surface blockage, and the heat conductivity is only 1/50-1/30 of steel, so that the heat transfer efficiency and the industrial production are seriously influenced; in addition, fouling increases the rate of fouling and equipment maintenance costs, resulting in economic losses. Enterprises need to clean, overhaul, leak stoppage and the like at intervals so as to ensure normal use of the heat exchanger and production operation of the enterprises. Common cleaning methods include chemical cleaning, mechanical cleaning, high-pressure water jet cleaning and the like.
The high-pressure water jet cleaning technology is characterized in that high-pressure water jet generated by a high-pressure plunger pump is used for impacting dirt on the surface of an object, and then the dirt is correspondingly ground and wedged, so that the dirt is finally removed. The high-pressure water jet cleaning technology is widely applied at present, and particularly in developed countries such as Europe, America, Japan and the like, the technology is basically adopted for cleaning dirt in large storage devices, large heat exchange equipment, various conveying pipelines and the like. At present, high-pressure water jet technology is also adopted in the manufacturing and cleaning of special equipment in many countries. The spray head is an actuating element of high-pressure water jet, and research and development of the spray head is always a key point of water jet research. In recent years, with the increasing application width and depth of the high-pressure water jet cleaning technology, the high-pressure water jet technology has rapidly developed. The rotary spray head has the characteristics of high cleaning efficiency, good cleaning effect and the like, and is increasingly paid attention to by people in development and application, so that great achievement is achieved. Users have approved such products. At present, the rotary spray head is widely applied to various cleaning operations such as cleaning of planes, pipelines and containers.
The existing manual hand-held high-pressure water gun has the problems of high danger, common cleaning effect, high working requirement and the like; the chemical cleaning has the problem of environmental pollution; the robot cleaning and ultrasonic cleaning apparatus have a problem of high cost.
Disclosure of Invention
The invention aims to provide a self-advancing heat exchanger tube pass cleaning spray head which is used for solving the problems of high risk, common cleaning effect, high working requirement and the like existing in the conventional manual hand-held high-pressure water gun cleaning; the chemical cleaning has the problem of environmental pollution; the robot cleaning and ultrasonic cleaning apparatus have a problem of high cost.
The technical scheme adopted by the invention for solving the technical problems is as follows: the self-advancing heat exchanger tube side cleaning spray head comprises a spray head main body, a brush, a rear rotating wheel group and a front rotating wheel group, wherein the front rotating wheel group, the rear rotating wheel group and the brush are all arranged on the spray head main body; the front rotating wheel set is arranged in front of the nozzle cavity, the rear rotating wheel set is arranged behind the nozzle cavity, the brush is arranged behind the rear rotating wheel set, and the rear-end inlet pipe is connected with the high-pressure hose; the front rotating wheel set and the rear rotating wheel set are both composed of a plurality of rotating wheel mechanisms, the plurality of rotating wheel mechanisms are uniformly arranged and installed on the same circumferential surface, each rotating wheel mechanism is composed of a rotating wheel, a wheel rod, a small spring and a sleeve, the small spring is installed at the bottom end inside the sleeve, one end of the wheel rod is connected with the small spring, the other end of the wheel rod extends out of the sleeve to be connected with the rotating wheel, and the rotating wheel is an oblique wheel;
the nozzle jet flow surface consists of a main power jet flow surface, a radial cleaning jet flow surface and a front end barrier removal jet flow surface, wherein the main power jet flow surface is a conical surface of a truncated cone section with the rear end of the cylinder section gradually reduced, a plurality of oblique rear nozzles are uniformly arranged on the main power jet flow surface, the radial cleaning jet flow surface is a cylindrical surface of the cylinder section, and a plurality of vertical nozzles are uniformly arranged on the radial cleaning jet flow surface; the front end barrier removing jet surface is a conical surface of a truncated cone section with the front end of the cylinder section gradually reduced, a plurality of oblique front nozzles are uniformly arranged on the front end barrier removing jet surface, and the number of the oblique rear nozzles on the main power jet surface is more than that of the oblique front nozzles on the front end barrier removing jet surface.
In the scheme, the front rotating wheel set and the rear rotating wheel set are respectively composed of three rotating wheel mechanisms, and the three rotating wheel mechanisms are arranged on the same circumferential surface at adjacent included angles of 120 degrees.
In the scheme, the main power jet flow surface is provided with six inclined rear nozzles which are adjacent to each other and are clamped by 60 degrees, and the radial cleaning jet flow surface is provided with six vertical nozzles which are adjacent to each other and are clamped by 60 degrees; the front end obstacle clearing jet surface is provided with three inclined front nozzles which are adjacent to each other and form an angle of 60 degrees.
In the scheme, a circular ring is fixed outside the closed end of the front end main body, and sleeves of three rotating wheel mechanisms of the front rotating wheel group are fixed on the circular ring; a circular ring is fixed on the rear end inlet pipe behind the nozzle cavity, and sleeves of three rotating wheel mechanisms of the rear rotating wheel set are fixed on the circular ring.
The invention has the following beneficial effects:
1. the invention utilizes the recoil force of high-pressure water jet to the pipe wall to drive the rotating wheel set to rotate so as to realize self-feeding, firstly washing and then brushing, can realize self-feeding washing and brushing of the pipe pass of the heat exchanger in the pipeline, and greatly improves the cleaning effect.
2. The portable multifunctional electric heating water heater is simple in structure, environment-friendly, green, convenient to carry and small in use difficulty.
3. The invention is provided with the rotating wheel group, the rotating wheel group performs spiral line motion in the pipeline, the advancing stability of the nozzle body is ensured, and the spring is arranged in the rotating wheel group sleeve, so that the cleaning requirement of the multi-pipe-diameter pipeline can be met, and the application range is wide.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the structure of the oblique wheel in the present invention.
In the figure: 1-a sprayer body, 2-a brush, 3-a nozzle cavity, 4-a sleeve, 5-an oblique wheel, 6-a wheel rod, 7-a small spring, 8-an oblique rear nozzle, 9-a vertical nozzle and 10-an oblique front nozzle.
Detailed Description
The invention is further described with reference to the accompanying drawings in which:
as shown in fig. 1 and 2, the tube side cleaning nozzle of the self-advancing heat exchanger comprises a nozzle body 1, a brush 2, a rear rotating wheel set and a front rotating wheel set, wherein the rear rotating wheel set, the front rotating wheel set, the brush 2 and a nozzle are arranged on the nozzle body 1, a nozzle cavity 3 which is bulged along the radial direction is arranged at the middle front part of the nozzle body 1, a cylinder section is arranged in the middle of the nozzle cavity 3, the front end of the cylinder section is connected with the closed end of the front end body through a tapered circular truncated cone section, and the rear end of the cylinder section is connected with a rear end inlet tube through a tapered circular truncated cone section; the front rotating wheel set is arranged in front of the nozzle cavity 3, the rear rotating wheel set is arranged behind the nozzle cavity 3, the brush 2 is arranged behind the rear rotating wheel set, and a rear-end inlet pipe is connected with the high-pressure hose; preceding runner group, back runner group constitute by a plurality of runner mechanisms, a plurality of runner mechanisms are evenly arranged and are installed in same periphery, every runner mechanism comprises the runner, wheel pole 6, little spring 7, sleeve 4, little spring 7 installs in the inside bottom of sleeve 4, wheel pole 6 one end is connected with little spring 7, the wheel pole 6 other end stretches out sleeve 4 and is connected with the runner, the runner is oblique wheel 5, the contained angle between runner and the shower nozzle main part 1 is the acute angle, it is spiral forward motion when advancing.
The jet flow surface of the nozzle is composed of a main power jet flow surface, a radial cleaning jet flow surface and a front end barrier removal jet flow surface, and the jet flow surface of the nozzle is the outer surface of the nozzle cavity. The main power jet flow surface is a conical surface of a truncated cone section with the rear end of the cylinder section gradually reduced, a plurality of inclined rear nozzles 8 are uniformly arranged on the main power jet flow surface, the radial cleaning jet flow surface is a cylindrical surface of the cylinder section, and a plurality of vertical nozzles 9 are uniformly arranged on the radial cleaning jet flow surface; the front end barrier-removing jet flow surface is a conical surface of a truncated cone section with the front end of the cylinder section gradually reduced, a plurality of oblique front nozzles 10 are uniformly arranged on the front end barrier-removing jet flow surface, each nozzle is communicated with the nozzle cavity 3, the number of the oblique rear nozzles 8 on the main power jet flow surface is more than that of the oblique front nozzles 10 on the front end barrier-removing jet flow surface, and a plurality of oblique rear nozzles are arranged, so that the advancing power of the tube side cleaning sprayer of the self-advancing heat exchanger is provided; in addition, the high-pressure water is sprayed to the closed end of the front end main body, and the forward advancing propelling force is generated.
Example 1:
referring to fig. 1 and 2, a nozzle body of the self-advancing heat exchanger tube pass cleaning nozzle is of a tubular structure with one closed end, the open end of the nozzle body 1 is connected with a high-pressure hose, a front rotating wheel set is installed at the head end of the nozzle body 1 and consists of three rotating wheel mechanisms, the three rotating wheel mechanisms are installed outside the head end of the tubular nozzle body at adjacent included angles of 120 degrees and consist of a rotating wheel, a wheel rod 6, a small spring 7 and a sleeve 4, the small spring 7 is installed at the bottom end inside the sleeve 4, one end of the wheel rod 6 is in contact with the small spring 7, the other end of the wheel rod 6 extends out of the sleeve 4 and is connected with the rotating wheel, the rotating wheel is an oblique wheel 5, and after water is supplied by a high-pressure pump, high-pressure water is jetted onto the inner wall of a pipeline through a nozzle to generate jet recoil force, so that the nozzle automatically advances in the pipeline to drive a rear rotating wheel set to perform spiral line motion in the pipeline; the jet flow surfaces of the nozzles are positioned in the middle of the nozzle body, the number of the jet flow surfaces of the nozzles is three, namely a main power jet flow surface, a radial cleaning jet flow surface and a front end barrier removal jet flow surface, the main power jet flow surface consists of six adjacent 60-degree inclined rear nozzles 8, and the radial cleaning jet flow surface consists of six adjacent 60-degree vertical nozzles 9; the front end barrier-removing jet flow surface consists of three adjacent 60-degree inclined front nozzles 10 which are communicated with the inner cavity of the spray head main body 1; the rear rotating wheel set also comprises three rotating wheel mechanisms, the three rotating wheel mechanisms are arranged on the outer side of the rear end of the tubular spray head main body at adjacent included angles of 120 degrees, and after the high-pressure pump supplies water, high-pressure water is jetted onto the inner wall of the pipeline through the nozzle to generate jet recoil force, so that the spray head automatically advances in the pipeline to drive the rear rotating wheel set to perform spiral line motion in the pipeline; the brush 2 is arranged at the rear end of the rear rotating wheel set structure, and the rotation of the rotating wheel set drives the nozzle main body 1 and the brush 2 to rotate together to wash the inner wall of the pipeline.
The invention has the specific working mode that when cleaning is carried out, the tail end of the cleaning machine is connected with a high-pressure water pipe through a high-pressure rotary joint. The device is manually put into a heat exchange tube, and a pump is started to supply water. The high-pressure water is jetted onto the inner wall of the pipeline through the nozzle to generate jet recoil force, and the recoil force can make the device move forwards. The front and the rear rotating wheel groups can make spiral forward motion in the pipeline through the rotating wheels obliquely designed on the front and the rear rotating wheel groups, so that the self-propelled cleaning effect is realized. In addition, the rotating wheel set rotates to drive the spray head main body 1 and the brush 2 to rotate together, so that the inner wall of the pipeline is washed, and the cleaning effect is greatly improved. When the cleaning is finished, the pump is turned off and water is cut off, when the pipe is removed, the device makes spiral backward movement, and the brush 2 continues to rotate, so that the secondary cleaning effect is realized.
Claims (4)
1. The utility model provides a from advancing formula heat exchanger tube side washing shower nozzle which characterized in that: the self-propelled heat exchanger tube side cleaning spray head comprises a spray head main body (1), a brush (2), a rear rotating wheel set and a front rotating wheel set, wherein the front rotating wheel set, the rear rotating wheel set and the brush (2) are all arranged on the spray head main body (1), the spray head main body (1) is a revolving body with a closed front end, a spray nozzle cavity (3) which is bulged along the radial direction is arranged at the middle front part of the spray head main body (1), a cylinder section is arranged in the middle of the spray nozzle cavity (3), the front end of the cylinder section is connected with the closed end of the front end main body through a tapered circular table section, and the rear end of the cylinder section is connected with a rear end inlet tube through a tapered circular table section; the front rotating wheel set is arranged in front of the nozzle cavity (3), the rear rotating wheel set is arranged behind the nozzle cavity (3), the brush (2) is arranged behind the rear rotating wheel set, and a rear-end inlet pipe is connected with the high-pressure hose; the front rotating wheel set and the rear rotating wheel set are composed of a plurality of rotating wheel mechanisms, the plurality of rotating wheel mechanisms are uniformly arranged and installed on the same circumferential surface, each rotating wheel mechanism is composed of a rotating wheel, a wheel rod (6), a small spring (7) and a sleeve (4), the small spring (7) is installed at the bottom end inside the sleeve (4), one end of the wheel rod (6) is connected with the small spring (7), the other end of the wheel rod (6) extends out of the sleeve (4) to be connected with the rotating wheel, and the rotating wheel is an oblique wheel (5);
the jet flow surface of the nozzle is composed of a main power jet flow surface, a radial cleaning jet flow surface and a front end barrier removal jet flow surface, the main power jet flow surface is a conical surface of a truncated cone section with the rear end of the cylinder section gradually reduced, a plurality of inclined rear nozzles (8) are uniformly arranged on the main power jet flow surface, the radial cleaning jet flow surface is a cylindrical surface of the cylinder section, and a plurality of vertical nozzles (9) are uniformly arranged on the radial cleaning jet flow surface; the front end barrier removing jet surface is a conical surface of a truncated cone section with the front end of the cylinder section gradually reduced, a plurality of oblique front nozzles (10) are uniformly arranged on the front end barrier removing jet surface, and the number of the oblique rear nozzles on the main power jet surface is more than that of the oblique front nozzles on the front end barrier removing jet surface.
2. The tube-side cleaning nozzle of the self-advancing heat exchanger according to claim 1, characterized in that: the front rotating wheel set and the rear rotating wheel set are respectively composed of three rotating wheel mechanisms, and the three rotating wheel mechanisms are arranged on the same circumferential surface at adjacent included angles of 120 degrees.
3. The tube-side cleaning nozzle of the self-advancing heat exchanger according to claim 2, characterized in that: the main power jet flow surface is provided with six inclined rear nozzles (8) which are adjacent to each other and clamped by 60 degrees, and the radial cleaning jet flow surface is provided with six vertical nozzles (9) which are adjacent to each other and clamped by 60 degrees; the front end barrier-removing jet surface is provided with three 60-degree adjacent oblique front nozzles (10).
4. The tube-side cleaning nozzle of the self-advancing heat exchanger according to claim 3, characterized in that: a circular ring is fixed outside the closed end of the front end main body, and sleeves of three rotating wheel mechanisms of the front rotating wheel group are fixed on the circular ring; a circular ring is fixed on the rear end inlet pipe behind the nozzle cavity (3), and sleeves of three rotating wheel mechanisms of the rear rotating wheel set are all fixed on the circular ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111413969.8A CN114061362A (en) | 2021-11-25 | 2021-11-25 | Self-advancing heat exchanger tube side cleaning spray head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111413969.8A CN114061362A (en) | 2021-11-25 | 2021-11-25 | Self-advancing heat exchanger tube side cleaning spray head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114061362A true CN114061362A (en) | 2022-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111413969.8A Pending CN114061362A (en) | 2021-11-25 | 2021-11-25 | Self-advancing heat exchanger tube side cleaning spray head |
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| Country | Link |
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| CN (1) | CN114061362A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2502681A2 (en) * | 2011-03-22 | 2012-09-26 | Josef Riezler | Device for investigating and cleaning tubes and lines |
| CN204672642U (en) * | 2015-06-08 | 2015-09-30 | 重庆汇达柠檬加工集团有限公司 | Pipeline cleaning |
| CN106862198A (en) * | 2017-03-29 | 2017-06-20 | 成都理工大学 | A kind of bionical cleaning device of Alternative manifold type pipe inwall and its clean method |
| CN106890828A (en) * | 2017-03-29 | 2017-06-27 | 成都理工大学 | A kind of multi-functional pipe inner-wall cleaning device and its clean method |
| CN206632069U (en) * | 2017-03-03 | 2017-11-14 | 辽河石油勘探局 | The online pipe cleaning device of oil pipeline |
| CN208162209U (en) * | 2018-01-10 | 2018-11-30 | 泉州市五加一电子商务有限公司 | A kind of full automatic petroleum pipeline cleaner for inner wall |
| CN211304110U (en) * | 2019-12-20 | 2020-08-21 | 中国建筑第四工程局有限公司 | Grouting pipeline belt cleaning device |
| CN211965247U (en) * | 2020-03-17 | 2020-11-20 | 曹芳 | Novel municipal administration water supply and drainage pipeline clearance device |
| CN212190437U (en) * | 2020-03-05 | 2020-12-22 | 杭州水管家环保技术有限责任公司 | High-efficiency multi-point injection pipeline cleaning spray head |
-
2021
- 2021-11-25 CN CN202111413969.8A patent/CN114061362A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2502681A2 (en) * | 2011-03-22 | 2012-09-26 | Josef Riezler | Device for investigating and cleaning tubes and lines |
| CN204672642U (en) * | 2015-06-08 | 2015-09-30 | 重庆汇达柠檬加工集团有限公司 | Pipeline cleaning |
| CN206632069U (en) * | 2017-03-03 | 2017-11-14 | 辽河石油勘探局 | The online pipe cleaning device of oil pipeline |
| CN106862198A (en) * | 2017-03-29 | 2017-06-20 | 成都理工大学 | A kind of bionical cleaning device of Alternative manifold type pipe inwall and its clean method |
| CN106890828A (en) * | 2017-03-29 | 2017-06-27 | 成都理工大学 | A kind of multi-functional pipe inner-wall cleaning device and its clean method |
| CN208162209U (en) * | 2018-01-10 | 2018-11-30 | 泉州市五加一电子商务有限公司 | A kind of full automatic petroleum pipeline cleaner for inner wall |
| CN211304110U (en) * | 2019-12-20 | 2020-08-21 | 中国建筑第四工程局有限公司 | Grouting pipeline belt cleaning device |
| CN212190437U (en) * | 2020-03-05 | 2020-12-22 | 杭州水管家环保技术有限责任公司 | High-efficiency multi-point injection pipeline cleaning spray head |
| CN211965247U (en) * | 2020-03-17 | 2020-11-20 | 曹芳 | Novel municipal administration water supply and drainage pipeline clearance device |
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