阅读说明：本技术 一种能够智能检测污垢堆积及处理的浮头式换热器 (Floating head type heat exchanger capable of intelligently detecting dirt accumulation and treatment ) 是由 徐腾飞 于 2021-05-23 设计创作，主要内容包括：本发明公开了一种能够智能检测污垢堆积及处理的浮头式换热器,包括管道壳以及连接于所述管道壳两侧的对称的两个能够进行密封的密封头,所述管道壳中设有换热腔,所述换热腔中设有热循环机构、冷循环机构、检测机构、导入机构、轨道运转机构、动力机构、处理机构、移动机构；本发明在浮头式换热器整体结构不变的情况下,使得本发明集合了传统的浮头式换热器的所有优点,同时也利用了检测装置的进行实时的管内结垢检测,当结垢量达到设定值时,能够不停机的实时清理管内的结垢,同时清理机构不会完全堵死被清理管道的液体流动,使得换热效率不下降,同时本发明实现了处理过程自动化,大大提高了处理效率,节省了劳动力。(The invention discloses a floating head type heat exchanger capable of intelligently detecting accumulation and treatment of dirt, which comprises a pipeline shell and two symmetrical sealing heads which are connected to two sides of the pipeline shell and can be sealed, wherein a heat exchange cavity is arranged in the pipeline shell, and a heat circulation mechanism, a cold circulation mechanism, a detection mechanism, a guide-in mechanism, a track running mechanism, a power mechanism, a treatment mechanism and a moving mechanism are arranged in the heat exchange cavity; the invention integrates all the advantages of the traditional floating head heat exchanger under the condition that the integral structure of the floating head heat exchanger is not changed, simultaneously utilizes the detection device to carry out real-time in-pipe scale detection, can clean the scale in the pipe in real time without stopping when the scale amount reaches a set value, and simultaneously can not completely block the liquid flow of the cleaned pipe by the cleaning mechanism, so that the heat exchange efficiency is not reduced.)

1. The utility model provides a can intelligent detection dirt pile up and floating head heat exchanger of handling which characterized in that: the pipeline sealing device comprises a pipeline shell and two symmetrical sealing heads which are connected to two sides of the pipeline shell and can be sealed, wherein a heat exchange cavity is arranged in the pipeline shell, and a heat circulation mechanism, a cold circulation mechanism, a detection mechanism, a guide-in mechanism, a track operation mechanism, a power mechanism, a processing mechanism and a moving mechanism are arranged in the heat exchange cavity; the detection mechanism comprises two sealing plates which are positioned at two ends of the heat exchange cavity and are bilaterally symmetrical, heat exchange tubes are uniformly arranged on the sealing plates, liquid on two sides can be exchanged in the heat exchange tubes, sliding grooves are formed in the sealing plates, the heat exchange tubes can slide up and down in the sliding grooves, the bottom walls of the sliding grooves are elastically connected with abutting plates through springs, the upper ends of the abutting plates abut against the lower sides of the heat exchange tubes, the heat exchange tubes are closely and slidably connected with sealing baffles at two sides of the sealing plates, the sealing baffles can prevent the liquid on two sides from being exchanged through the sliding grooves, when dirt in the heat exchange tubes is gradually accumulated, the heat exchange tubes integrally ascend, the sealing baffles are driven by the heat exchange tubes to descend, and then the dirt accumulation condition of each heat exchange tube can be detected; the guiding mechanism comprises a floating head connected to the right side of the sealing plate on the right side, a baffle is arranged in the sealing head on the left side, a guide rail base on the left side is fixedly arranged on the baffle, a left rotating seat is fixedly arranged on the inner side of the sealing head, the inner wall of the floating head is connected with the guide rail base on the right side through two connecting pieces which are symmetrical up and down and a middle piece in the middle, a guide rail is fixedly arranged on the rotating seat on the right side in a rotating mode, a spring base is fixedly arranged on the outer side of the sealing baffle, the upper side of the spring base is elastically connected with the left end of the guide rail through a spring, the number of the guide rail corresponds to the number of the heat exchange tubes, when the dirt in the heat exchange tubes reaches a certain weight, the spring base can drive one end of the guide rail to be connected with one end of the heat exchange tube, and meanwhile, the other end of the guide rail is connected with one side of the guide rail base, at this time, a cleaning device can be introduced into the heat exchange tube for cleaning operation; the treatment mechanism comprises a guide rail frame positioned on the guide rail base, a guide rail is arranged on the guide rail frame, the guide rail is connected with a cleaner, the cleaner can enter the heat exchange tube through the guide rail to be cleaned, a liquid flow channel with two communicated ends is arranged in the cleaner, a power cavity is arranged in the cleaner, a cleaning shaft is rotatably arranged in the power cavity, one end of the cleaning shaft extends to the outer side of the cleaner and is connected with a cleaning gear, one side of the cleaning gear is connected with a cleaning head, the inner side of the cleaning head is connected to one side of the liquid flow channel, the other end of the cleaning head is the same as the inner diameter of the heat exchange tube, when the cleaner enters the heat exchange tube, the front end of the cleaning head scrapes off dirt on the inner wall of the heat exchange tube under the driving of the cleaning shaft, and meanwhile, the heat exchange tube can continue to flow through the cleaning head and the liquid flow channel, therefore, enough sediment in the heat exchange tube can be cleaned without stopping the machine under the condition of not reducing the flow quantity as much as possible; moving mechanism is including being located the tyre rack of clearance ware both sides, the selection is equipped with the tire in the tyre rack, the tire upside is connected with the removal follower through removing the axle, it is connected with the removal action wheel to remove follower one side meshing, it is equipped with and extends to remove the action wheel inboard removal axle, both sides the distance of tire with the internal diameter of heat exchange tube is the same, makes the clearance ware can remove in the heat exchange tube.

2. The floating head heat exchanger capable of intelligently detecting fouling accumulation and treatment according to claim 1, wherein: the hot circulation mechanism is including being located sealed first inner wall with baffle and left side the intake antrum that the closing plate formed, sealed first inner wall with baffle and left side the closing plate is equipped with out the water cavity, the intake antrum upside is equipped with the hot water of connecting the outside and goes into the pipe, thereby hot water goes into to manage in liquid can pass through the intake antrum gets into the upside the heat exchange tube gets into float in the head, the liquid in the head that floats passes through the downside the heat exchange tube gets into go out in the water cavity, it is equipped with to extend to go out the hot water exit tube of sealed first downside, at this moment a circulation discharge device outside has been accomplished to the liquid that gets into in the hot water income pipe.

3. The floating head heat exchanger capable of intelligently detecting fouling accumulation and treatment according to claim 1, wherein: the cold circulation mechanism comprises a cold water cavity arranged in the sealing head on the right side, a cold water inlet pipe is arranged on the lower wall of the cold water cavity, the sealing plate and the floating head on the right side are not connected with the inner walls of the cold water cavity and the heat exchange cavity, a push block is arranged on the inner wall of the floating head, so that when liquid in the heat exchange pipe brings thermal stress, the whole floating head is pushed to move rightwards by the push block, the damage of the thermal stress to the device is eliminated, meanwhile, the cold water cavity is directly connected with the heat exchange cavity, guide plates are uniformly arranged on the inner wall of the heat exchange cavity, a cold water outlet pipe extending to the outer side of the pipeline shell is arranged on the upper wall of the heat exchange cavity, the guide plates can enable the cold water inlet pipe to flow into the liquid in the cold water cavity, and fully contact the heat exchange pipe to flow out of the device after heat exchange, and meanwhile, the connection part of the heat exchange pipe and the guide plates, the sliding groove, the abutting plate and the sealing baffle plate in the detection mechanism are arranged, so that the heat exchange tube can descend according to gravity, and meanwhile, the guide effect of the guide plate on liquid is kept.

4. The floating head heat exchanger capable of intelligently detecting fouling accumulation and treatment according to claim 1, wherein: the track running mechanism comprises a guide rail cavity in the cleaner, the guide rail cavity is penetrated through and enabled to enable the guide rail to enter the guide rail cavity, the guide rail upside is provided with two racks in bilateral symmetry, guide gears are meshed on the rack upside and connected with the guide gears, the guide gears on the two sides are connected with the gear shaft through the gear shaft, the left side of the gear shaft extends to the power cavity and is connected with a connecting gear, the connecting gear is meshed with a transmission gear, the transmission gear upside is provided with a transmission shaft, the upper end of the transmission shaft is provided with a stress gear capable of rotating, and when the stress gear rotates, the cleaner can integrally run on the guide rail.

5. The floating head heat exchanger capable of intelligently detecting fouling accumulation and treatment according to claim 1, wherein: the power mechanism comprises a motor positioned on the inner wall of the power cavity, a main shaft is arranged on the right side of the motor, a main shaft gear is arranged on the main shaft in a rotating mode, the lower side of the main shaft gear is connected with the stressed gear, a thrust rod is connected to the upper side of the gear shaft, a rotating shaft is arranged on the inner wall of the power cavity, a rotating rod is arranged on the rotating shaft in a rotating mode, a shaft key push rod is arranged on the rotating shaft in a rotating mode in the vertical direction, one end of the shaft key push rod is connected with the right end of the rotating rod through a connecting wire, the upper end of the thrust rod extends to the lower side of the left end of the rotating rod and is fixedly connected with the thrust rod, a key groove is formed in the right end of the main shaft, a shaft key is arranged in the key groove in a sliding mode, when the thrust rod descends, the shaft key push rod presses the shaft key rightwards, the main shaft is connected with the cleaning shaft, an auxiliary shaft gear is arranged on the cleaning shaft, and the auxiliary shaft gear is meshed with a driven wheel, the driven wheel is connected with the moving shaft, when the moving driving wheel enters the heat exchange tube and is separated from the guide rail, the whole track running mechanism loses power, and at the moment, the motor is connected with the moving mechanism and the processing mechanism to provide power.

Technical Field

The invention relates to a floating head type heat exchanger capable of intelligently detecting dirt accumulation and processing, and mainly relates to the technical field of heat exchangers.

Background

The floating head heat exchanger has two end pipe plates, one end of which is fixed to the casing and the other end of which can move freely relative to the casing. The floating head consists of a floating tube plate, a hook ring and a floating head end cover, and is detachably connected, and the tube bundle can be drawn out from the shell. The thermal deformation of the tube bundle and the shell is not restrained, so that the thermal stress cannot be generated. The cleaning device has the advantages that the cleaning between the pipes and the cleaning in the pipes are convenient, and the thermal stress can not be generated;

although the floating head type heat exchanger is convenient to clean and suitable for occasions with serious scaling, the structure is only easy to extract for cleaning, the machine still needs to be stopped for a long time for cleaning on the actual operation level, a large amount of time is wasted for cleaning, and great inconvenience is brought to production and use of time; in the prior art, the cleaning is generally carried out by stopping the machine and manually operating the cleaning, so that the time and labor are wasted, the efficiency is low, the automation is difficult to realize, and the defects are overcome.

Disclosure of Invention

The invention aims to solve the technical problem of providing a floating head heat exchanger capable of intelligently detecting and treating dirt accumulation, and overcoming the problems.

The invention is realized by the following technical scheme.

The invention discloses a floating head type heat exchanger capable of intelligently detecting and treating dirt accumulation, which comprises a pipeline shell and two symmetrical sealing heads which are connected to two sides of the pipeline shell and can be sealed, wherein a heat exchange cavity is arranged in the pipeline shell, and a heat circulation mechanism, a cold circulation mechanism, a detection mechanism, a guide-in mechanism, a track running mechanism, a power mechanism, a treatment mechanism and a moving mechanism are arranged in the heat exchange cavity;

the detection mechanism comprises two sealing plates which are positioned at two ends of the heat exchange cavity and are bilaterally symmetrical, heat exchange tubes are uniformly arranged on the sealing plates, liquid on two sides can be exchanged in the heat exchange tubes, sliding grooves are formed in the sealing plates, the heat exchange tubes can slide up and down in the sliding grooves, the bottom walls of the sliding grooves are elastically connected with abutting plates through springs, the upper ends of the abutting plates abut against the lower sides of the heat exchange tubes, the heat exchange tubes are closely and slidably connected with sealing baffles at two sides of the sealing plates, the sealing baffles can prevent the liquid on two sides from being exchanged through the sliding grooves, when dirt in the heat exchange tubes is gradually accumulated, the heat exchange tubes integrally ascend, the sealing baffles are driven by the heat exchange tubes to descend, and then the dirt accumulation condition of each heat exchange tube can be detected;

the guiding mechanism comprises a floating head connected to the right side of the sealing plate on the right side, a baffle is arranged in the sealing head on the left side, a guide rail base on the left side is fixedly arranged on the baffle, a left rotating seat is fixedly arranged on the inner side of the sealing head, the inner wall of the floating head is connected with the guide rail base on the right side through two connecting pieces which are symmetrical up and down and a middle piece in the middle, a guide rail is fixedly arranged on the rotating seat on the right side in a rotating mode, a spring base is fixedly arranged on the outer side of the sealing baffle, the upper side of the spring base is elastically connected with the left end of the guide rail through a spring, the number of the guide rail corresponds to the number of the heat exchange tubes, when the dirt in the heat exchange tubes reaches a certain weight, the spring base can drive one end of the guide rail to be connected with one end of the heat exchange tube, and meanwhile, the other end of the guide rail is connected with one side of the guide rail base, at this time, a cleaning device can be introduced into the heat exchange tube for cleaning operation;

the treatment mechanism comprises a guide rail frame positioned on the guide rail base, a guide rail is arranged on the guide rail frame, the guide rail is connected with a cleaner, the cleaner can enter the heat exchange tube through the guide rail to be cleaned, a liquid flow channel with two communicated ends is arranged in the cleaner, a power cavity is arranged in the cleaner, a cleaning shaft is rotatably arranged in the power cavity, one end of the cleaning shaft extends to the outer side of the cleaner and is connected with a cleaning gear, one side of the cleaning gear is connected with a cleaning head, the inner side of the cleaning head is connected to one side of the liquid flow channel, the other end of the cleaning head is the same as the inner diameter of the heat exchange tube, when the cleaner enters the heat exchange tube, the front end of the cleaning head scrapes off dirt on the inner wall of the heat exchange tube under the driving of the cleaning shaft, and meanwhile, the heat exchange tube can continue to flow through the cleaning head and the liquid flow channel, therefore, enough sediment in the heat exchange tube can be cleaned without stopping the machine under the condition of not reducing the flow quantity as much as possible;

moving mechanism is including being located the tyre rack of clearance ware both sides, the selection is equipped with the tire in the tyre rack, the tire upside is connected with the removal follower through removing the axle, it is connected with the removal action wheel to remove follower one side meshing, it is equipped with and extends to remove the action wheel inboard removal axle, both sides the distance of tire with the internal diameter of heat exchange tube is the same, makes the clearance ware can remove in the heat exchange tube.

Further, the thermal cycle mechanism is including being located sealed first inner wall with baffle and left side the intake antrum that the closing plate formed, sealed first inner wall with baffle and left side the closing plate is equipped with out the water cavity, the intake antrum upside is equipped with the hot water of connecting the outside and goes into the pipe, thereby hot water can pass through in going into the pipe the intake antrum gets into the upside the heat exchange tube gets into in the head floats, the liquid in the head that floats passes through the downside the heat exchange tube gets into in going out the water cavity, it is equipped with the hot water exit tube that extends to sealed first downside, at this moment the liquid that gets into in the hot water pipe has accomplished a circulation and has discharged the device outside.

Furthermore, the cold circulation mechanism comprises a cold water cavity arranged in the sealing head at the right side, a cold water inlet pipe is arranged on the lower wall of the cold water cavity, the sealing plate and the floating head at the right side are not connected with the inner walls of the cold water cavity and the heat exchange cavity, a push block is arranged on the inner wall of the floating head, when the liquid in the heat exchange pipe brings thermal stress, the whole floating head is pushed to move rightwards through the push block, so that the damage of the thermal stress to the device is eliminated, meanwhile, the cold water cavity is directly connected with the heat exchange cavity, guide plates are uniformly arranged on the inner wall of the heat exchange cavity, a cold water outlet pipe extending to the outer side of the pipeline shell is arranged on the upper wall of the heat exchange cavity, the guide plates can enable the cold water inlet pipe to flow into the liquid in the cold water cavity, and the cold water outlet pipe flows out of the device after fully contacting the heat exchange pipe, meanwhile, the connection part of the heat exchange tube and the guide plate is provided with the sliding groove in the detection mechanism, the abutting plate and the sealing baffle, so that the heat exchange tube can descend according to gravity, and the guide effect of the guide plate on liquid is kept.

Further, track operation mechanism is including being located guide rail chamber in the clearance, run through around the guide rail chamber and make the guide rail can get into wherein, the guide rail upside is equipped with two racks of bilateral symmetry, the meshing of rack upside has leading gear, both sides leading gear passes through the gear hub connection, the gear shaft left side extends to the power intracavity is connected with connecting gear, connecting gear upside meshing is connected with the transmission gear, the transmission gear upside is equipped with the transmission axle, the epaxial end of transmission is equipped with the atress gear that can rotate, works as when the atress gear is rotatory, the clearance is whole just can operate on the guide rail.

Further, the power mechanism comprises a motor located on the inner wall of the power cavity, a main shaft is arranged on the right side of the motor, a main shaft gear is arranged on the main shaft in a rotating mode, the lower side of the main shaft gear is connected with the stressed gear, a thrust rod is connected to the upper side of the gear shaft, a rotating shaft is arranged on the inner wall of the power cavity, a rotating rod is arranged on the rotating shaft in a rotating mode, a shaft key push rod is arranged in a rotating mode in the vertical direction of the rotating shaft, one end of the shaft key push rod is connected with the right end of the rotating rod through a connecting wire, the upper end of the thrust rod extends to the lower side of the left end of the rotating rod and is fixedly connected with the lower end of the rotating rod, a key groove is formed in the right end of the main shaft, a shaft key is arranged in the key groove in a sliding mode, when the thrust rod descends, the shaft key push rod presses the shaft key rightwards, the main shaft is connected with the cleaning shaft, an auxiliary shaft gear is arranged on the cleaning shaft, and a driven wheel is meshed with the auxiliary shaft gear, the driven wheel is connected with the moving shaft, when the moving driving wheel enters the heat exchange tube and is separated from the guide rail, the whole track running mechanism loses power, and at the moment, the motor is connected with the moving mechanism and the processing mechanism to provide power.

The invention has the beneficial effects that: the invention integrates all the advantages of the traditional floating head heat exchanger under the condition that the integral structure of the floating head heat exchanger is not changed, simultaneously utilizes the detection device to carry out real-time in-pipe scale detection, can clean the scale in the pipe in real time without stopping when the scale amount reaches a set value, and simultaneously can not completely block the liquid flow of the cleaned pipe by the cleaning mechanism, so that the heat exchange efficiency is not reduced.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an enlarged schematic view of a in fig. 1.

FIG. 3 is a schematic diagram of B-B in FIG. 1.

Fig. 4 is a schematic diagram of the structure C-C in fig. 3.

Fig. 5 is an enlarged schematic view of D in fig. 4.

Detailed Description

The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The floating head heat exchanger capable of intelligently detecting and processing dirt accumulation and described with reference to fig. 1 to 5 includes a pipe shell 10 and two symmetrical sealing heads 17 connected to two sides of the pipe shell 10 and capable of sealing, a heat exchange chamber 11 is provided in the pipe shell 10, and a heat circulation mechanism 100, a cold circulation mechanism 101, a detection mechanism 102, a lead-in mechanism 103, a track operation mechanism 104, a power mechanism 105, a processing mechanism 106, and a moving mechanism 107 are provided in the heat exchange chamber 11;

the detection mechanism 102 includes two sealing plates 14 located at two ends of the heat exchange chamber 11 and symmetrically located at left and right, the sealing plate 14 is uniformly provided with heat exchange tubes 16, the heat exchange tubes 16 can exchange liquid on two sides, a sliding groove 35 is formed in the sealing plate 14, the heat exchange tube 16 can slide up and down in the sliding groove 35, the bottom wall of the sliding groove 35 is elastically connected with an abutting plate 34 through a spring, the upper end of the abutting plate 34 abuts against the lower side of the heat exchange tube 16, the heat exchange tube 16 is closely and slidably connected with sealing baffles 31 on two sides of the sealing plate 14, the sealing baffle 31 can prevent the liquid on both sides from exchanging through the sliding groove 35, when the dirt in the heat exchange tube 16 is gradually accumulated, the heat exchange tube 16 integrally rises, the sealing baffle 31 is driven by the heat exchange tube 16 to descend, and the dirt accumulation condition of each heat exchange tube 16 can be detected;

the guiding mechanism 103 comprises a floating head 27 connected to the right side of the sealing plate 14, a baffle 19 is arranged in the sealing head 17 on the left side, a guide rail base 22 on the left side is fixedly arranged on the baffle 19, a left rotating base 25 is fixedly arranged on the inner side of the sealing head 17, the inner wall of the floating head 27 is connected with the guide rail base 22 on the right side through two connecting pieces 28 which are vertically symmetrical and an intermediate piece 29, a guide rail 24 is rotatably arranged on the rotating base 25 on the right side and fixedly arranged on the inner wall of the floating head 27, a spring base 33 is fixedly arranged on the outer side of the sealing baffle 31, the upper side of the spring base 33 is elastically connected with the left end of the guide rail 24 through a spring, the number of the guide rail 24 corresponds to the number of the heat exchange tubes 16, when the dirt in the heat exchange tubes 16 reaches a certain weight, the spring base 33 can drive one end of the guide rail 24 to be connected with one end of the heat exchange tubes 16, meanwhile, the other end of the guide rail 24 is connected with one side of the guide rail base 22, so that a cleaning device can be introduced into the heat exchange tube 16 for cleaning operation;

the treatment mechanism 106 comprises a guide rail bracket 44 positioned on the guide rail base 22, a guide rail 45 is arranged on the guide rail bracket 44, the guide rail 45 is connected with a cleaner 36, the cleaner 36 can enter the heat exchange tube 16 through the guide rail 24 for cleaning, a liquid flow channel 37 with two communicated ends is arranged in the cleaner 36, a power cavity 60 is arranged in the cleaner 36, a cleaning shaft 59 is rotatably arranged in the power cavity 60, one end of the cleaning shaft 59 extends to the outer side of the cleaner 36 and is connected with a cleaning gear 58, one side of the cleaning gear 58 is connected with a cleaning head 57, the inner side of the cleaning head 57 is connected to one side of the liquid flow channel 37, the other end of the cleaning head 57 is the same as the inner diameter of the heat exchange tube 16, and when the cleaner 36 enters the heat exchange tube 16, the front end of the cleaning head 57 is driven by the cleaning shaft 59 to scrape dirt on the inner wall of the heat exchange tube 16, meanwhile, the heat exchange tube 16 can continuously flow through the cleaning head 57 and the liquid flow channel 37, so that enough sediment in the heat exchange tube 16 can be cleaned without stopping the machine under the condition that the flow quantity is not reduced as much as possible;

the moving mechanism 107 comprises tire frames 43 positioned at two sides of the cleaner 36, tires 42 are selectively arranged in the tire frames 43, the upper sides of the tires 42 are connected with a moving driven wheel 40 through a moving shaft 41, one side of the moving driven wheel 40 is meshed with a moving driving wheel 39, the moving driving wheel 39 is provided with a moving shaft 38 extending to the inner side of the cleaner 36, the distance between the tires 42 at two sides is the same as the inner diameter of the heat exchange pipe 16, and therefore the cleaner 36 can move in the heat exchange pipe 16.

Advantageously, the thermal circulation mechanism 100 includes an inlet chamber 18 formed by the inner wall of the sealing head 17 and the baffle plate 19 and the sealing plate 14 on the left, the inner wall of the sealing head 17 and the baffle plate 19 and the sealing plate 14 on the left are provided with an outlet chamber 20, the upper side of the inlet chamber 18 is provided with a hot water inlet pipe 15 connected to the outside, the liquid in the hot water inlet pipe 15 can enter the heat exchange pipe 16 on the upper side through the inlet chamber 18 and then enter the floating head 27, the liquid in the floating head 27 enters the outlet chamber 20 through the heat exchange pipe 16 on the lower side, the lower side of the outlet chamber 20 is provided with a hot water outlet pipe 21 extending to the lower side of the sealing head 17, and at this time, the liquid entering in the hot water inlet pipe 15 completes a circulation and is discharged outside the device.

Beneficially, the cold circulation mechanism 101 includes a cold water cavity 26 disposed in the right sealing head 17, a cold water inlet pipe 30 is disposed on a lower wall of the cold water cavity 26, the right sealing plate 14 and the floating head 27 are not connected to inner walls of the cold water cavity 26 and the heat exchange cavity 11, a push block 32 is disposed on an inner wall of the floating head 27, when a thermal stress is brought to the liquid in the heat exchange pipe 16, the push block 32 pushes the floating head 27 to move rightward integrally, so that damage to the device due to the thermal stress is eliminated, meanwhile, the cold water cavity 26 is directly connected to the heat exchange cavity 11, guide plates 13 are uniformly disposed on an inner wall of the heat exchange cavity 11, a cold water outlet pipe 12 extending to an outer side of the pipe shell 10 is disposed on an upper wall of the heat exchange cavity 11, the guide plates 13 enable the liquid flowing into the cold water inlet pipe 30 into the cold water cavity 26 to fully contact with the heat exchange pipe 16 for heat exchange, the cold water outlet pipe 12 is used for discharging the liquid, and meanwhile, the sliding groove 35 in the detection mechanism 102, the abutting plate 34 and the sealing baffle 31 are arranged at the joint of the heat exchange pipe 16 and the guide plate 13, so that the heat exchange pipe 16 can descend according to gravity while the guide effect of the guide plate 13 on the liquid is maintained.

Advantageously, the rail running mechanism 104 includes a guide rail cavity 46 located in the cleaner 36, the guide rail cavity 46 penetrates forward and backward to enable the guide rail 45 to enter the guide rail cavity, the upper side of the guide rail 45 is provided with two racks 47 which are bilaterally symmetrical, the upper sides of the racks 47 are engaged with guide gears 48, the guide gears 48 on two sides are connected through a gear shaft 49, the left side of the gear shaft 49 extends into the power cavity 60 and is connected with a connecting gear 50, the upper side of the connecting gear 50 is engaged with a transmission gear 51, the upper side of the transmission gear 51 is provided with a transmission shaft 52, the upper end of the transmission shaft 52 is provided with a rotatable force bearing gear 53, and when the force bearing gear 53 rotates, the cleaner 36 can run on the guide rail 45 as a whole.

Beneficially, the power mechanism 5 includes a motor 61 located on the inner wall of the power cavity 60, a spindle 54 is disposed on the right side of the motor 61, a spindle gear 55 is rotatably disposed on the spindle 54, the lower side of the spindle gear 55 is connected to the force-receiving gear 53, a thrust rod 56 is connected to the upper side of the gear shaft 49, a rotating shaft 68 is disposed on the inner wall of the power cavity 60, a rotating rod 67 is rotatably disposed on the rotating shaft 68, a shaft key push rod 66 is rotatably disposed in the vertical direction of the rotating shaft 68, one end of the shaft key push rod 66 is connected to the right end of the rotating rod 67 through a connecting line 69, the upper end of the thrust rod 56 extends to the lower side of the left end of the rotating rod 67 and is fixedly connected thereto, a key slot 65 is disposed on the right end of the spindle 54, a shaft key 64 is slidably disposed in the key slot 65, when the thrust rod 56 descends, the shaft key push rod 66 presses the shaft key 64 to the right, so that the spindle 54 is connected to the cleaning shaft 59, the cleaning shaft 59 is provided with a counter gear 63, the counter gear 63 is meshed with a driven wheel 62, the driven wheel 62 is connected with the moving shaft 38, when the moving driving wheel 39 enters the heat exchange tube 16 and is separated from the guide rail 45, the whole track running mechanism 104 loses power, and at the moment, the motor 61 is connected to provide power for the moving mechanism 107 and the processing mechanism 106.

Sequence of mechanical actions of the whole device:

1. when the heat exchanger is initially started, hot water entering from the hot water inlet pipe 15 flows through the water inlet cavity 18, the heat exchange pipe 16, the floating head 27 and the water outlet cavity 20 and flows out from the hot water outlet pipe 21, meanwhile, cold water entering from the cold water inlet pipe 30 flows into the cold water and flows through the cold water cavity 26 and the heat exchange cavity 11, the flow direction is adjusted through the guide plate 13 in the heat exchange cavity 11, and the cold water flows out through the cold water outlet pipe 12 after the heat in the heat exchange pipe 16 is uniformly absorbed;

2. when the dirt in one heat exchange tube 16 reaches a set value, the heat exchange tube 16 enables one end of the guide rail 24 to be connected with the heat exchange tube 16 and the other end to be connected with the inner side of the guide rail base 22 through the abutting plate 34, the sealing baffle 31 and the spring base 33;

3. meanwhile, the motor 61 is started to enable the cleaner 36 to integrally move back and forth on the guide rail 45 through the main shaft 54, the main shaft gear 55, the stressed gear 53, the transmission shaft 52, the transmission gear 51, the connecting gear 50, the gear shaft 49, the guide gear 48 and the rack 47, and then move to the guide rail 24 and finally enter the heat exchange tube 16 for depositing dirt;

4. at this time, the guide gear 48 is separated from the support of the rack 47 and the guide rail cavity 46 and starts to slide downwards, and the connecting gear 50 is separated from the connection of the transmission gear 51, so that the guide gear 48 stops rotating;

5. at the moment, the gear shaft 49 enables the main shaft 54 to be connected with the cleaning shaft 59 through the thrust rod 56, the rotating rod 67, the connecting line 69, the rotating shaft 68, the shaft key push rod 66 and the shaft key 64, and the power of the main shaft 54 drives the cleaner 36 to move integrally in the heat exchange pipe 16 through the shaft key 64, the cleaning shaft 59, the auxiliary shaft gear 63, the moving shaft 38, the moving driving wheel 39, the moving driven wheel 40, the moving shaft 41, the tire 42 and the tire frame 43;

6. meanwhile, the cleaning shaft 59 drives the cleaning head 57 to rotate through the cleaning gear 58, so that dirt on the inner wall of the heat exchange tube 16 is scraped off and flows out through the liquid flow channel 37, and the purpose of scraping the dirt without stopping is achieved;

7. the treated cleaner 36 reaches the other side rail base 22 through the other side guide rail 24 to continue running, and waits for the next dirt treatment, and the whole device is reset.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.