CN116952057A - Tubular heat exchanger with self-cleaning function - Google Patents
Tubular heat exchanger with self-cleaning function Download PDFInfo
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- CN116952057A CN116952057A CN202310916898.6A CN202310916898A CN116952057A CN 116952057 A CN116952057 A CN 116952057A CN 202310916898 A CN202310916898 A CN 202310916898A CN 116952057 A CN116952057 A CN 116952057A
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- cleaning
- sleeve
- heat exchanger
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- 238000004140 cleaning Methods 0.000 title claims abstract description 101
- 238000007789 sealing Methods 0.000 claims abstract description 133
- 210000001503 joint Anatomy 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 230000007704 transition Effects 0.000 claims description 15
- 238000005192 partition Methods 0.000 claims description 9
- 239000012535 impurity Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 239000011810 insulating material Substances 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 239000012530 fluid Substances 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
Classifications
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cleaning In General (AREA)
Abstract
The application belongs to the technical field of tubular heat exchangers, and particularly relates to a tubular heat exchanger with a self-cleaning function, wherein a heat exchange tube is arranged in a tank body of the heat exchanger, ends of the heat exchange tube protruding out of a sealing end of the tank body are formed into ends, sealing covers are arranged at two ends of the tank body, a movable cleaner is arranged in the sealing covers, a plurality of cleaning heads for butt joint the ends are arranged on the movable cleaner, a push rod is arranged at the other end of the movable cleaner and is connected with a linear driving device, a sleeve is arranged at the periphery of the push rod, a space is arranged between the sleeve and the push rod, the sleeve is in sealing connection with the sealing covers, a feeding hose is arranged on the movable cleaner, and the feeding hose is arranged in the space between the sleeve and the push rod.
Description
Technical Field
The application belongs to the technical field of tubular heat exchangers, and particularly relates to a tubular heat exchanger with a self-cleaning function.
Background
The tubular heat exchanger comprises a straight tube type heat exchanger, a bent tube type heat exchanger and a more complex winding type heat exchanger, wherein the heat exchange effect of the bent tube type heat exchanger and the winding type heat exchanger is better, but the heat exchanger is easier to block, and the heat exchanger is also more required to be cleaned in time.
The applicant obtains technical enlightenment in fields such as air conditioner, increases the self-cleaning function's of equipment such as similar air conditioner demand on the basis of original heat exchanger to reach the effect that avoids dismantling jar body and sealed lid, and improves the clean number of times of heat exchanger.
Disclosure of Invention
The application aims to solve the problems, and provides a tubular heat exchanger with a self-cleaning function.
The first object of the application is to provide a tubular heat exchanger with self-cleaning function, which relies on a mobile cleaner that is mobile, so that the mobile cleaner can approach the end of the heat exchange tube and the cleaning head can be abutted against the end, and the cleaning water flowing out of the mobile cleaner cleans the interior of the heat exchange tube.
In order to achieve the first object of the present application, the technical scheme of the present application is as follows:
the tubular heat exchanger with the self-cleaning function is characterized in that a heat exchange tube is arranged in a tank body of the heat exchanger, ends of the heat exchange tube protruding out of a sealing end of the tank body form ends, sealing covers are arranged at two ends of the tank body, a movable cleaner is arranged in the sealing covers, cleaning heads with a plurality of butt joint ends are arranged on the movable cleaner, a push rod is arranged at the other end of the movable cleaner, the push rod is connected with a linear driving device, a sleeve is arranged on the periphery of the push rod, an interval is arranged between the sleeve and the push rod, the sleeve is in sealing connection with the sealing covers, a feed hose is arranged on the movable cleaner, and the feed hose is arranged in the interval between the sleeve and the push rod.
Further, the cleaning head comprises a fixed sleeve, a first cavity is formed in the fixed sleeve, a spring is arranged in the first cavity, a movable sleeve is arranged on the spring, a sealing rod is arranged on the movable cleaner, the head end of the sealing rod is located in the movable sleeve, the rear end of the sealing rod is matched with the fixed sleeve at intervals, a transition cavity is formed in the movable sleeve, the maximum diameter of the head end of the sealing rod is larger than the minimum diameter of the transition cavity, and the maximum diameter of the head end of the sealing rod is smaller than the maximum diameter of the transition cavity.
Further, remove the purger and include front bezel and back plate that the interval was arranged, front bezel and back plate form the second cavity, the feed hose setting is on the back plate and with second cavity intercommunication, the one end of sealing rod is the bulb, be provided with the jack on the bulb, the rear end of sealing rod is the connection screw thread end, be provided with the screw on the back plate of removal purger, the connection screw thread end spiro union sets up in the screw, be provided with the mounting hole on the front bezel of removal purger, the fixed sleeve periphery is provided with flange, the fixed sleeve is inserted and is established in the mounting hole, flange is fixed on the front bezel of removal purger, the interval between second cavity intercommunication sealing rod and the fixed sleeve.
Further, a partition board is arranged in the movable cleaner, the partition board partitions the second cavity in the movable cleaner into a plurality of independent cavities, and at least one feeding hose is connected in each independent cavity.
Further, the sealing rod is internally provided with a third cavity, at least two connecting wires are arranged in the third cavity, a first contact on one connecting wire protrudes out of the front half part of the head end of the sealing rod, a second contact of the other connecting wire protrudes out of the rear half part of the head end of the sealing rod, when the head end of the sealing rod is in sealing butt joint with the movable sleeve, the first contact and the second contact are respectively positioned at two ends of the joint of the head end of the sealing rod and the movable sleeve, and the connecting wires are connected with a power supply and an indicator lamp.
Further, sealing balls are arranged on the first contact and the second contact, an adjusting bolt is arranged on the head end of the sealing rod, the adjusting bolt is inserted into the third cavity in a sealing and threaded mode, a sealing block is arranged in the third cavity, a connecting wire is arranged on the sealing block, a stop block is arranged on the sealing block, and the tail end of the adjusting bolt is abutted to the stop block.
Further, the sealing rod is made of an insulating material, or the first contact and the second contact are connected with the sealing rod in an insulating mode.
Further, be provided with the polished rod in the sealed lid, be provided with the through-hole on the removal washing piece, the polished rod inserts and establishes in the through-hole.
The second object of the application is to provide a self-cleaning method for a tubular heat exchanger, the movable cleaner of the application can approach the end of the heat exchange tube and the cleaning head can be abutted against the end, the cleaning water flowing out of the movable cleaner cleans the interior of the heat exchange tube, when the cleaning head is abutted against the end, the movable sleeve moves and the sealing rod on the movable cleaner does not move, the sealing rod stretches into the end of the heat exchange tube, and impurities blocked in the end are pushed away by the sealing rod, at the moment, a gap is generated between the end of the sealing rod and the movable sleeve due to displacement, and the cleaning water can flow into the heat exchange tube along the gap between the sealing rod and the movable sleeve to wash the interior of the heat exchange tube.
In order to achieve the second object of the present application, the technical scheme of the present application is as follows:
by adopting the tubular heat exchanger with the self-cleaning function, the linear driving device pushes the movable cleaner to move towards the end direction of the heat exchange tube, so that the cleaning head is in contact with the end, the movable sleeve on the cleaning head moves and presses the spring, the head end of the sealing rod protrudes out of the movable sleeve and is inserted into the end, cleaning water is input into the movable cleaner from the feeding hose, the cleaning water enters the heat exchange tube along the interval between the sealing rod and the movable sleeve to clean the inside of the heat exchange tube, and impurities in the cleaning water carrying the heat exchange tube are discharged from the other end of the heat exchange tube.
Further, whether the indicator light emits light or not in the cleaning process is observed, if the indicator light emits light, the cleaning head corresponding to the indicator light is proved to be cleaned normally, and if the indicator light does not emit light, the cleaning head corresponding to the indicator light is proved to be not cleaned normally.
Compared with the prior art, the application has the beneficial effects that:
1. the movable cleaner can actively clean the inside of the heat exchange tube in the heat exchanger, can clean the heat exchange tube without disassembling the sealing covers at the two ends of the tank body, and avoids the problem that the sealing covers of the tank body are firstly disassembled and then cleaned in the prior art.
2. The cleaning head has a switch function, when the cleaning head is propped against the end, the movable sleeve moves to move the sealing rod on the cleaner, the sealing rod extends into the end of the heat exchange tube, impurities blocked in the end are pushed away by the sealing rod, at the moment, a gap is also generated between the head end of the sealing rod and the movable sleeve due to displacement, and cleaning water can flow into the heat exchange tube along the gap between the sealing rod and the movable sleeve and wash the interior of the heat exchange tube.
3. The application arranges the contacts respectively positioned at the two sides of the head end of the sealing rod in the sealing rod, so that only one contact can be contacted with fluid when the cleaning is not performed, and when the cleaning is performed, a gap is generated between the head end of the sealing rod and the movable sleeve due to displacement, so that the two contacts form a communicated circuit under the action of water and the indicator lamp is lightened, thereby judging whether the cleaning head is opened or not and whether the cleaning head works normally or not.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application.
FIG. 1 is a schematic view showing the overall structure of the mobile washer of the present application in one direction;
FIG. 2 is a schematic view showing the overall structure of the mobile washer of the present application in another direction;
FIG. 3 is a schematic diagram of the cooperation of the mobile washer and the heat exchange tube according to the present application;
FIG. 4 is a schematic diagram of the overall structure of the present application;
FIG. 5 is a schematic view showing the internal structure of the cleaning head according to the present application in one state;
FIG. 6 is a schematic illustration of the fluid flow state of FIG. 5;
FIG. 7 is a schematic view showing the internal structure of the cleaning head of the present application in another state;
FIG. 8 is a schematic illustration of the fluid flow state of FIG. 7;
FIG. 9 is a schematic view of the structure of the cleaning head of the present application;
FIG. 10 is a schematic view showing the internal structure of a seal rod according to an embodiment of the present application;
fig. 11 is a schematic view showing an internal structure of a sealing rod in another embodiment of the present application.
In the figure:
1. the movable cleaner comprises a movable cleaner body, 2, a through hole, 3, a push rod, 4, a sleeve, 5, a feeding hose, 6, a cleaning head, 7, a sealing cover, 8, a polish rod, 9, a head, 10, a tank body, 11, a sealing rod, 12, a movable sleeve, 13, a fixed sleeve, 14, a first cavity, 15, a fixed flange, 16, a spring, 17, a partition plate, 18, a second cavity, 19, a mounting hole, 20, a screw hole, 21, a sealing gasket, 22, a jack, 23, a ball head, 24, a connecting threaded end, 25, a third cavity, 26, a first contact, 27, a second contact, 28, a connecting wire, 29, a sealing block, 30, a stop block, 31, an adjusting bolt, 32 and a sealing ball.
Detailed Description
The application will be further described with reference to the drawings and examples.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
In the present application, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", etc. refer to an orientation or a positional relationship based on that shown in the drawings, and are merely relational terms, which are used for convenience in describing structural relationships of various components or elements of the present application, and do not denote any one of the components or elements of the present application, and are not to be construed as limiting the present application.
Example 1
The basic of this embodiment is also the original heat exchanger structure, i.e. the basic principle and structure of the heat exchanger are not changed, mainly solving the problem that the tank 10 and the sealing cover 7 need to be disassembled when the heat exchanger is cleaned, increasing the cleaning times of the heat exchanger, improving the heat exchange efficiency of the heat exchanger, reducing the influence of the deposition of impurities in the materials on the heat exchange tube, and more detailed, there are several problems to be solved when the heat exchange tube needs to be cleaned at present, such as the problem that the tail end of the heat exchange tube is easy to be blocked.
The applicant obtains the technical idea of self-cleaning the equipment in the air conditioner and the like, and can realize the idea of not dismantling the tank body 10 and the sealing cover 7 and automatically cleaning the cleaning times of the heat exchange pipe according to the self requirement by means of the heat exchanger structure capable of automatically cleaning, and the following is one or more practical embodiments capable of realizing the automatic cleaning of the heat exchanger:
the embodiment is a tubular heat exchanger with self-cleaning function, the tubular heat exchanger has self-cleaning function, the main body of the heat exchanger is also a tank 10, heat exchange tubes are arranged in the tank 10 of the heat exchanger, the heat exchange tubes can be arranged in parallel, can be bent or wound, for example, the heat exchange tubes which are arranged in parallel are shown in the illustration of the embodiment, two sides of the tank 10 are sealed ends, the head ends of the heat exchange tubes which protrude out of the sealed ends of the tank 10 form an end head 9, a first pipeline is arranged on the tank 10, a second pipeline is arranged at the lower end of the tank 10, sealing covers 7 are arranged at two ends of the tank 10, the pipelines are fixedly connected by flange bolts, the pipelines are arranged on the sealing covers 7, which are the main structure of the current heat exchanger, based on the structure of the heat exchanger, the embodiment is provided with a movable mobile cleaner 1 in one sealing cover 7, as a preferred technical scheme, the easier the mobile cleaner 1 is installed at the end blocked by the end 9, the size of the sealing cover 7 may need to be replaced based on the size of the mobile cleaner 1, specifically, the mobile cleaner 1 is provided with a plurality of cleaning heads 6 butted with the end 9, the cleaning heads 6 butted with the end 9 are used for cleaning the heat exchange tubes, the other end of the mobile cleaner 1 is provided with a push rod 3, the push rod 3 is connected with a linear driving device, the linear driving device can be a pushing device matched with a screw shaft by a driving motor, a hydraulic cylinder, a high-power cylinder and the like, the periphery of the push rod 3 is provided with a sleeve 4, the sleeve 4 is fixedly connected with the mobile cleaner 1, the fixed connection scheme is also adopting flange bolting, in terms of matching, a gap is arranged between the sleeve 4 and the push rod 3, the sleeve 4 is in sealing connection with the sealing cover 7, a deformable sealing ring is adopted for sealing, a feeding hose 5 is arranged on the movable cleaner 1, the feeding hose 5 is arranged in the interval between the sleeve 4 and the push rod 3, a plurality of feeding hoses 5 are arranged in the embodiment, cleaning water can enter the movable cleaner 1 through the feeding hoses 5, in addition, as a movable structure of the movable cleaner 1, a polished rod 8 is arranged in the sealing cover 7, a through hole 2 is formed in a movable cleaning block, the polished rod 8 is inserted in the through hole 2, and the polished rod 8 is arranged at a sealing end of the tank body 10 through bolts.
The cleaning head 6 is the core structure of this embodiment, in this embodiment, the cleaning head 6 both needs to be able to run through the deposited impurity in the end 9 in the form of hard pole, still need to open and close, avoid the fluid in the heat exchange tube to get into the removal purger 1 when the heat exchange tube uses, reduce the loss of material, also open under the circumstances that the heat exchange tube is not used and is washd and make the cleaning water get into the heat exchange tube from the cleaning head 6, as the specific implementation of cleaning head 6, as shown in fig. 5-8, cleaning head 6 includes fixed sleeve 13, first cavity 14 has been seted up in the fixed sleeve 13, install spring 16 in the first cavity 14, install the removal sleeve 12 on the spring 16, under the state that spring 16 is unstressed, there is the interval between fixed sleeve 13 and the removal sleeve 12, install sealing rod 11 on the removal purger 1, the installation scheme of fixed sleeve 13 and sealing rod 11 is explained in the context down, the head end of sealing rod 11 is located the removal sleeve 12, the rear end and the fixed sleeve 13 interval cooperation, as the specific implementation of cleaning head end 12 has the transition maximum diameter of the transition sleeve 12, the maximum diameter of the transition sleeve 11 is bigger than the maximum diameter of cavity 12, the transition diameter of the transition sleeve is bigger than the cavity 12, the round platform is more convenient for the maximum diameter of the transition diameter of the cavity is in the cavity 12 is removed, the maximum diameter is bigger than the cavity 12 is in the transition diameter of the cavity is more than the cavity 12, the transition diameter of the transition diameter is more than the cavity 12, and has.
As a specific mounting structure and arrangement of the cleaning head 6, the mobile cleaner 1 of the present embodiment comprises a front plate and a rear plate which are arranged at intervals, the front plate and the rear plate form a second cavity 18, wherein the above-mentioned feeding hose 5 is mounted on the rear plate and communicated with the second cavity 18, and in particular, the feeding hose 5 can be fixedly connected with a connecting pipe on the rear plate by adopting a clamp, in order to improve the impact force of the cleaning water, a plurality of partition plates 17 are mounted in the mobile cleaner 1, the partition plates 17 partition the second cavity 18 in the mobile cleaner 1 into a plurality of separate cavities, at least one feeding hose 5 is connected in each separate cavity, the buffer effect of the cleaning water entering the second cavity 18 is reduced, a certain pressure can be maintained after the cleaning water enters the second cavity 18 under the action of high-pressure cleaning water, in the present embodiment, one end of the sealing rod 11 is preferably of a ball 23 structure, the ball 23 is provided with an inserting hole 22, the inserting hole 22 is hexagonal, a hexagonal wrench can be inserted into the inserting hole 22, the rear end of the sealing rod 11 is provided with a connecting threaded end 24, a rear plate of the mobile cleaner 1 is provided with a screw hole 20, the connecting threaded end 24 is in threaded connection with the screw hole 20, for more stable connection, a lock nut can be further arranged at the connecting threaded end 24 to enable the lock nut to be in butt joint with the rear plate, the sealing and fastening functions are achieved, a mounting hole 19 is formed in a front plate of the mobile cleaner 1, a fixing flange 15 is arranged on the periphery of the fixing sleeve 13, the fixing sleeve 13 is inserted into the mounting hole 19, the fixing flange 15 is fixed on the front plate of the mobile cleaner 1, a second cavity 18 is communicated with the space between the sealing rod 11 and the fixing sleeve 13, and a sealing gasket 21 is arranged between the fixing flange 15 and the front plate, and the mounting method is as follows:
the fixing sleeve 13 is inserted into the mounting hole 19, the sealing gasket 21 is mounted between the fixing flange 15 and the front plate, the fixing flange 15 and the front plate are fixed together through bolts, then the movable sleeve is put into the fixing sleeve 13, the spring 16 is firstly mounted and arranged in the first cavity 14 before the movable sleeve and the fixing sleeve 13 are mounted, then the sealing rod 11 is inserted into the movable sleeve, the hexagonal wrench is inserted into the insertion hole 22 to rotate the sealing rod 11, the connecting threaded end 24 of the sealing rod 11 is screwed with the screw hole 20 on the rear plate, the mounting of the cleaning head 6 is completed, and all the movable sleeves are on the same plane after the mounting is completed.
The above-mentioned mounting means is such that only the contact of the movable sleeve with the head 9 will separate the movable sleeve from the ball 23 of the sealing rod 11, and any other means cannot separate the movable sleeve from the sealing rod 11.
As a more specific structure of the sealing rod 11, the present embodiment uses the conduction of the cleaning water to determine whether the cleaning head 6 works normally, specifically, the sealing rod 11 has a third cavity 25 therein, at least two connecting wires 28 are disposed in the third cavity 25, the connecting wires 28 are common wires, a first contact 26 on one connecting wire 28 protrudes from a front half portion of the head end of the sealing rod 11, a second contact 27 on the other connecting wire 28 protrudes from a rear half portion of the head end of the sealing rod 11, when the head end of the sealing rod 11 is in sealing abutment with the moving sleeve 12, the first contact 26 and the second contact 27 are respectively located at two ends of the joint of the head end of the sealing rod 11 and the moving sleeve 12, the contacts of the structure are shorter, and are easy to be insensitive due to deposition of sediment after a period of use, the first contact 26 and the second contact 27 are both provided with sealing balls 32, the sealing balls 32 adopt flexible deformable resin structures, the head ends of the sealing rods 11 are in threaded connection with adjusting bolts 31, the adjusting bolts 31 are in sealed threaded connection and inserted into the third cavity 25, no matter which structure is adopted, sealing blocks 29 are distributed in the third cavity 25, cleaning water is prevented from entering the third cavity 25, connecting wires 28 are arranged on the sealing blocks 29, the sealing blocks 29 can also play a role of fixing the connecting wires 28, the outer sides of the connecting wires 28 need to be coated with a layer of insulating skin, in addition, the sealing blocks 29 are provided with stop blocks 30, the tail ends of the adjusting bolts 31 are abutted against the stop blocks 30, the stop blocks 30 are in contact with the adjusting bolts 31, the stop blocks 30 can be made of hard resin, the adjusting bolts 31 are rotated to enable the sealing blocks 29 to move, the sealing balls 32 are in sealed connection with the ball heads 23, and the sizes of the contacts outside the ball heads 23 are adjusted, in this embodiment, the connecting wire 28 connects the power supply and the indicator lamp, and it should be noted that the sealing rod 11 needs to be made of an insulating material, or the first contact 26 and the second contact 27 are connected with the sealing rod 11 in an insulating manner, in terms of the installation sequence, the adjusting bolt 31 is firstly installed in the sealing rod 11 by using the sleeve, and then the sealing rod 11 is rotated by using the hexagonal wrench.
Based on the structure, the linear driving device pushes the movable cleaner 1 to move towards the end 9 of the heat exchange tube, so that the cleaning head 6 is in contact with the end 9, the movable sleeve on the cleaning head 6 moves and presses the spring 16, the head end of the sealing rod 11 protrudes out of the movable sleeve and is inserted into the end 9, cleaning water is input into the movable cleaner 1 from the feeding hose 5, the cleaning water enters the heat exchange tube along the interval between the sealing rod 11 and the movable sleeve to clean the interior of the heat exchange tube, impurities in the cleaning water carrying the heat exchange tube are discharged from the other end of the heat exchange tube, whether the indicator light emits light or not is observed in the cleaning process, if the indicator light emits light, the cleaning head 6 corresponding to the indicator light is proved to be cleaned normally, and if the indicator light does not emit light, the cleaning head 6 corresponding to the indicator light is proved not to be cleaned normally.
The above is only a preferred embodiment of the present application, and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
While the foregoing description of the embodiments of the present application has been presented in conjunction with the drawings, it should be understood that it is not intended to limit the scope of the application, but rather, it is intended to cover all modifications or variations within the scope of the application as defined by the claims of the present application.
Claims (10)
1. The tubular heat exchanger with self-cleaning function is characterized in that a heat exchange tube is arranged in a tank body (10) of the heat exchanger, an end head (9) is formed at the head end of the heat exchange tube protruding out of a sealing end of the tank body (10), sealing covers (7) are arranged at two ends of the tank body (10), a movable cleaner (1) is arranged in the sealing covers (7), a plurality of butt joint ends (9) of the cleaning head (6) are arranged on the movable cleaner (1), a push rod (3) is arranged at the other end of the movable cleaner (1), the push rod (3) is connected with a linear driving device, a sleeve (4) is arranged at the periphery of the push rod (3), an interval is arranged between the sleeve (4) and the push rod (3), the sleeve (4) is in sealing connection with the sealing covers (7), a feeding hose (5) is arranged on the movable cleaner (1), and the feeding hose (5) is arranged in the interval between the sleeve (4) and the push rod (3).
2. A tubular heat exchanger with self-cleaning function according to claim 1, wherein the cleaning head (6) comprises a fixed sleeve (13), a first cavity (14) is arranged in the fixed sleeve (13), a spring (16) is arranged in the first cavity (14), a movable sleeve (12) is arranged on the spring (16), a sealing rod (11) is arranged on the movable cleaner (1), the head end of the sealing rod (11) is positioned in the movable sleeve (12), and the rear end of the sealing rod (11) is matched with the fixed sleeve (13) at intervals;
the movable sleeve (12) is internally provided with a transition cavity, the maximum diameter of the head end of the sealing rod (11) is larger than the minimum diameter of the transition cavity, and the maximum diameter of the head end of the sealing rod (11) is smaller than the maximum diameter of the transition cavity.
3. A tubular heat exchanger with self-cleaning function according to claim 2, characterized in that the mobile washer (1) comprises a front plate and a rear plate arranged at intervals, which form the second cavity (18), on which the feed hose (5) is arranged and communicates with the second cavity (18);
one end of the sealing rod (11) is a ball head (23), an insertion hole (22) is formed in the ball head (23), the rear end of the sealing rod (11) is a connecting threaded end (24), a screw hole (20) is formed in a rear plate of the mobile cleaner (1), and the connecting threaded end (24) is in threaded connection with the screw hole (20);
the front plate of the mobile cleaner (1) is provided with a mounting hole (19), the periphery of the fixed sleeve (13) is provided with a fixed flange (15), the fixed sleeve (13) is inserted into the mounting hole (19), the fixed flange (15) is fixed on the front plate of the mobile cleaner (1), and the second cavity (18) is communicated with the interval between the sealing rod (11) and the fixed sleeve (13).
4. A tubular heat exchanger with self-cleaning function according to claim 3, characterized in that a partition (17) is arranged in the mobile washing machine (1), the partition (17) dividing the second cavity (18) in the mobile washing machine (1) into separate cavities, each of which is connected with at least one feed hose (5).
5. A tubular heat exchanger with self-cleaning function according to claim 2, wherein the inside of the sealing rod (11) is provided with a third cavity (25), at least two connecting wires (28) are arranged in the third cavity (25), a first contact (26) on one connecting wire (28) protrudes out of the front half part of the head end of the sealing rod (11), a second contact (27) on the other connecting wire (28) protrudes out of the rear half part of the head end of the sealing rod (11), and when the head end of the sealing rod (11) is in sealing abutting joint with the movable sleeve (12), the first contact (26) and the second contact (27) are respectively positioned at two ends of the joint of the head end of the sealing rod (11) and the movable sleeve (12);
the connecting wire (28) is connected with a power supply and an indicator lamp.
6. A tubular heat exchanger with self-cleaning function according to claim 5, wherein sealing balls (32) are arranged on the first contact (26) and the second contact (27), an adjusting bolt (31) is arranged on the head end of the sealing rod (11), the adjusting bolt (31) is inserted into the third cavity (25) in a sealing screwed manner, a sealing block (29) is arranged in the third cavity (25), a connecting wire (28) is arranged on the sealing block (29), a stop block (30) is arranged on the sealing block (29), and the tail end of the adjusting bolt (31) is abutted against the stop block (30).
7. A tubular heat exchanger with self-cleaning function according to claim 5, wherein the sealing rod (11) is of insulating material, or the first contact (26), the second contact (27) are connected with the sealing rod (11) in an insulating manner.
8. A tubular heat exchanger with self-cleaning function according to claim 1, characterized in that the sealing cover (7) is internally provided with a polish rod (8), the movable cleaning block is provided with a through hole (2), and the polish rod (8) is inserted into the through hole (2).
9. A cleaning method for self-cleaning a tubular heat exchanger according to any one of claims 2 to 7, characterized in that a tubular heat exchanger with self-cleaning function is adopted, a linear driving device is used for pushing a movable cleaner (1) to move towards the end (9) of the heat exchange tube, so that a cleaning head (6) is in contact with the end (9), a movable sleeve (4) on the cleaning head (6) moves and presses a spring (16), the head end of a sealing rod (11) protrudes out of the movable sleeve (4) and is inserted into the end (9), cleaning water is input into the movable cleaner (1) from a feeding hose (5), the cleaning water enters into the heat exchange tube along the interval between the sealing rod (11) and the movable sleeve (4) to clean the interior of the heat exchange tube, and impurities in the cleaning water carrying the heat exchange tube are discharged from the other end of the heat exchange tube.
10. A cleaning method for self-cleaning a tubular heat exchanger according to claim 9, wherein it is observed whether the indicator lamp emits light during the cleaning process, if the indicator lamp emits light, it is verified that the cleaning head (6) corresponding to the indicator lamp is performing normal cleaning, and if the indicator lamp does not emit light, it is verified that the cleaning head (6) corresponding to the indicator lamp is not performing normal cleaning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109163583A (en) * | 2018-09-11 | 2019-01-08 | 山东理工大学 | A kind of heat exchanger with fork type flushing device |
| CN109253651A (en) * | 2018-09-11 | 2019-01-22 | 山东理工大学 | A kind of heat exchanger for scrubbing function with recoil |
| CN210463624U (en) * | 2019-07-10 | 2020-05-05 | 赣州市天坤太阳能有限公司 | Cleaning machine for solar water heater |
| CN215114099U (en) * | 2021-05-10 | 2021-12-10 | 安徽永源环保设备科技有限公司 | High-efficient polypropylene shell and tube heat exchanger |
| CN218545386U (en) * | 2022-11-04 | 2023-02-28 | 西安中原机械有限公司 | Self-cleaning heat exchange device |
| CN116336861A (en) * | 2023-05-06 | 2023-06-27 | 顾树伟 | High-pressure water cleaning installation structure of shell and tube heat exchanger |
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2023
- 2023-07-25 CN CN202310916898.6A patent/CN116952057B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109163583A (en) * | 2018-09-11 | 2019-01-08 | 山东理工大学 | A kind of heat exchanger with fork type flushing device |
| CN109253651A (en) * | 2018-09-11 | 2019-01-22 | 山东理工大学 | A kind of heat exchanger for scrubbing function with recoil |
| CN210463624U (en) * | 2019-07-10 | 2020-05-05 | 赣州市天坤太阳能有限公司 | Cleaning machine for solar water heater |
| CN215114099U (en) * | 2021-05-10 | 2021-12-10 | 安徽永源环保设备科技有限公司 | High-efficient polypropylene shell and tube heat exchanger |
| CN218545386U (en) * | 2022-11-04 | 2023-02-28 | 西安中原机械有限公司 | Self-cleaning heat exchange device |
| CN116336861A (en) * | 2023-05-06 | 2023-06-27 | 顾树伟 | High-pressure water cleaning installation structure of shell and tube heat exchanger |
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| CN116952057B (en) | 2024-08-30 |
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