A shell-and-tube heat exchanger for the heat exchange of fluids

Abstract

The application discloses a fluid heat exchange column tube type heat exchanger and relates to the technical field of heat exchangers. The heat exchanger comprises a heat exchange device. The heat exchange device is designed. When hot flow medium enters the inside of the heat exchange tube from the conversion mechanism, the hot flow medium is in contact with the stripping mechanism in the inside of the heat exchange tube. The liquid impacts the stripping mechanism, the stripping mechanism rubs the inner wall of the heat exchange tube, and the impurities are cleaned. After long-time operation, the inner wall is prevented from being covered with too many impurities, the impurities are prevented from occupying the internal space of the pipeline, the liquid flow efficiency is prevented from being affected, the heat exchange effect of the equipment is prevented from being affected, the hot flow medium enters the heat exchange tube, the cold flow medium is in the inside of the heat exchange shell, the hot flow medium is in contact with the cold flow medium in the inside of the heat exchange shell, efficient heat exchange is realized, the equipment needs to be cleaned after long-time operation, the inside of the heat exchange device is dried through the drying device, and the residual moisture in the inside is cleaned.

Description

TECHNICAL FIELD

[0001] The present application relates to heat exchanger technical field, specifically to a kind of fluid heat exchange's column pipe heat exchanger. BACKGROUND

[0002] Column pipe heat exchanger is a kind of heat exchanger with simple structure, low cost, wide flow cross section and low heat transfer coefficient, which can be used at high temperature and high pressure, and is a kind of heat exchanger with wide application at present.

[0003] The existing heat exchange equipment is easy to accumulate impurities inside after long time operation, which affects the service life and operation efficiency of the equipment, so new design is made for this situation. SUMMARY

[0004] To achieve the above object, the present application is realized by the following technical scheme: a kind of fluid heat exchange's column pipe heat exchanger, including heat exchange device, the outside arc of the heat exchange device One side is fixedly connected with motor, the outside of the heat exchange device is fixedly connected with drying device, the outside of the heat exchange device is fixedly connected with air moving device away from drying device side;

[0005] The heat exchange device comprises a conversion mechanism, the two sides of the outer part of the conversion mechanism are fixedly connected with positioning mechanisms, one side of the outer part of the conversion mechanism is fixedly connected with a heat exchange shell, the two sides of the inner wall of the heat exchange shell are fixedly connected with fixed plates, hot flow medium enters the heat exchange pipe, cold flow medium is in the heat exchange shell, and the hot flow medium and the cold flow medium are in contact in the heat exchange shell, so that efficient heat exchange is realized, the operation requirements of the equipment are met, the opposite surfaces of the fixed plates are fixedly connected with heat exchange pipes, the side, away from the conversion mechanism, of the outer part of the heat exchange shell is fixedly connected with a rear pipe box, when the hot flow medium enters the heat exchange pipe from the conversion mechanism, the hot flow medium is in contact with the stripping mechanism in the heat exchange pipe, the stripping mechanism is impacted by the liquid to rub the inner wall of the heat exchange pipe, so that the impurities are cleaned, the inner wall is prevented from being covered with too many impurities after a long time of operation, the impurities are prevented from occupying the space in the pipe, the liquid flow efficiency is prevented from being affected, the heat exchange effect of the equipment is prevented from being affected, the inside of the heat exchange device is dried by the drying device after a long time of operation, the inside of the heat exchange device is cleaned, the bacteria in the equipment are reduced, the corrosion of the equipment by the impurities is slowed down, and the service life of the equipment is prolonged, the side, away from the drying device, of the outer part of the heat exchange shell is fixedly connected with a discharge valve, the inside of the heat exchange device is ventilated by the air moving device, so that the impurities on the inside of the equipment are cleaned, the impurities in the equipment are reduced, the impurities are prevented from being excessively accumulated, the operation efficiency of the equipment is prevented from being affected, the side, away from the heat exchange shell, of the outside of the discharge valve is fixedly connected with a first air blower, the discharge valve is opened, and finally the impurities in the equipment are cleaned by the wind power generated by the first air blower, and the impurities are reduced.

[0006] Preferably, the upper side of the conversion mechanism is fixedly connected with a hot flow medium inlet pipe, the side, away from the hot flow medium inlet pipe, of the outer part of the conversion mechanism is fixedly connected with a hot flow medium outlet pipe, the side, close to the hot flow medium inlet pipe, of the outer part of the heat exchange shell is fixedly connected with a cold flow medium inlet pipe, and the side, away from the air moving device, of the outer part of the heat exchange shell is fixedly connected with a cold flow medium outlet pipe. The hot flow medium enters the inside of the equipment from the hot flow medium inlet pipe, the hot flow medium enters the inside of the heat exchange pipe after being distributed by the conversion mechanism, flows to the inside of the rear pipe box, then the hot flow medium flows from the lower half of the heat exchange pipe to the inside of the conversion mechanism, and finally the hot flow medium is discharged outward from the hot flow medium outlet pipe. The cold flow medium enters the inside of the heat exchange shell from the cold flow medium inlet pipe, and finally the cold flow medium is discharged outward from the heat exchange shell to the cold flow medium outlet pipe. In this way, the hot flow medium and the cold flow medium are in contact in the heat exchange shell, efficient heat exchange operation is realized, and the operation requirements are met.

[0007] Preferably, the conversion mechanism comprises a front pipe box, the outer side of the front pipe box is fixedly connected with the outer side of the motor away from the rear pipe box, one side of the inner wall of the front pipe box is rotatably connected with a rotating shaft, the outer side of the rotating shaft is fixedly connected with a receiving scraper, the receiving scraper is matched with the fixed plate, the heat exchange pipe is divided into two parts, when the operation is stopped, the receiving scraper is driven to rotate by the motor to rub the inner wall of the front pipe box, so as to clean the impurities in the equipment, reduce the adhesion of impurities, avoid the corrosion of impurities to the inner wall of the equipment, thereby prolonging the service life of the equipment, and by rubbing the inner wall of the equipment, the effect of liquid flow is avoided. The accumulation of impurities affects the liquid flow effect, and the equipment is prevented from being blocked, and the output end of the motor is fixedly connected with the outer side of the rotating shaft.

[0008] Preferably, the stripping mechanism comprises a fixed frame, the outer side of the fixed frame is fixedly connected with the inner wall of the heat exchange pipe, the opposite surfaces of the fixed frame are rotatably connected with a connecting shaft, the outer side of the connecting shaft is fixedly connected with a spiral plate, the liquid enters the inside of the heat exchange pipe, the liquid impacts the spiral plate, the spiral plate rotates outside the connecting shaft, thereby reducing the adsorption of impurities on the inner wall of the pipe, avoiding the accumulation of impurities affecting the heat exchange area of the component, increasing the turbulent flow effect of the liquid in the pipe, and the mechanical disturbance of the spiral plate can make the flow state of the fluid transition to turbulent flow, thereby further enhancing the heat transfer effect.

[0009] Preferably, the positioning mechanism comprises a positioning housing, the outer side of the positioning housing is fixedly connected with the outer side of the front pipe box, one side of the outer side of the positioning housing is fixedly connected with a first electric push rod, the receiving scraper is easily shaken during the process of receiving liquid flow, thereby affecting the operation effect of the component, preventing the occurrence of liquid leakage, therefore the first electric push rod controls the receiving plate to push the clamping mechanism to contact with the receiving scraper, thereby achieving the effect of fixing the component, preventing the excessive impact of the liquid on the component, preventing the effect of the component on the liquid distribution, the outer side of the first electric push rod is fixedly connected with a receiving plate near the front pipe box, the receiving plate expands and contracts with the first electric push rod, thereby preventing the liquid from entering the inside of the component, preventing the liquid from corroding the inside of the component, thereby prolonging the service life of the component, the outer side of the receiving plate is slidably connected with a clamping mechanism, the first electric push rod controls the clamping mechanism to expand and contract, thereby facilitating the receiving and releasing of the component.

[0010] Preferably, the clamping mechanism comprises a sliding rod, the outer side of the sliding rod is in sliding connection with the outer side of the receiving plate, a connecting plate is fixedly connected to the side of the outer side of the sliding rod away from the first electric push rod, when the clamping block contacts the receiving scraper, the clamping block drives the sliding rod to extrude and shrink the spring strip, so as to achieve the effect of shock absorption and buffering, avoid excessive extrusion of the parts, prevent damage to the parts caused by excessive pressure, reduce the rigid collision between the parts and the parts, reduce the wear between the parts, thereby prolonging the service life of the parts, a spring strip is sleeved on the side of the outer side of the sliding rod close to the connecting plate, the spring strip supports the sliding rod, so as to achieve the effect of fixing the clamping parts, and the clamping block is fixedly connected to the side of the outer side of the connecting plate away from the spring strip.

[0011] Preferably, the drying device comprises a drying machine, the outer side of the drying machine is fixedly connected with an external pipe, the outer side of the external pipe away from the drying machine is fixedly connected with an output pipe, when liquid is left in the equipment, impurities are easily attached to the surface of the parts to form a liquid layer, which hinders heat transfer and reduces heat exchange efficiency, and too much accumulation of impurities can exacerbate the corrosion of the internal parts of the equipment, thereby affecting the service life of the parts, the drying machine generates hot air flow to send air to the inside of the equipment through the output pipe, thereby achieving the effect of drying the inside of the equipment, thereby reducing the liquid residue in the equipment and reducing the breeding of microorganisms and bacteria in the equipment, preventing the subsequent liquid flow from being affected, avoiding pollution to the liquid, and avoiding scaling and impurity deposition by drying the inside of the equipment, reducing the probability of impurity clumping, and drying the inside of the heat exchange equipment by cutting off the corrosion chain, eliminating the scaling hazard, and avoiding the start-stop risk, the bottom of the output pipe is fixedly connected with a control valve, the control valve plays a role in blocking the entry of liquid, and when air drying operation is needed, the control valve is opened, the inner wall of the output pipe close to the control valve is fixedly connected with a grid plate, the grid plate blocks the entry of impurity particles into the pipeline, and reduces the accumulation of particles in the pipeline, and the inner wall of the output pipe is fixedly connected with a rotating mechanism.

[0012] Preferably, the rotating mechanism comprises a receiving shaft, the outer side of the receiving shaft is rotatably connected with a rotating block, the outer side of the rotating block is fixedly connected with a rotating support, the outer side of the rotating support away from the rotating block is rotatably connected with a connecting column, the outer side of the rotating block close to the rotating support is fixedly connected with an external support, and the inner side of the external support is fixedly connected with a paddle. The paddle is impacted by the airflow to rotate the rotating block, and the rotating support drives the rotating connecting column to rub the inner wall of the pipeline, so as to clean the impurity particles on the inner wall of the pipeline, prevent the impurity particles from adhering to the inside of the pipeline, prevent the subsequent gas flow effect from being affected, and the particles scraped off fall into the inside of the heat exchange shell, thereby facilitating subsequent cleaning.

[0013] Preferably, the air moving device comprises a second fan, which is inserted outside the receiving block to facilitate component replacement; the outer side of the second fan is connected with the receiving block, the outer side of the receiving block is connected with the bearing plate, the second fan generates air flow, the air flow is sprayed outward through the spherical block, and the air flow washes the inner wall components of the heat exchange shell, so that the air flow removes impurities in the device, the kinetic energy generated by the high-speed flowing gas is used to remove the impurities in the device through the washing, carrying and stripping effects of the air flow, the particles on the surface of the pipeline are stripped, excessive impurities are prevented from accumulating, and the heat exchange effect and efficiency of the device are prevented from being affected; the bottom of the receiving block is fixedly connected with the spherical block, and multi-angle holes are formed in the outer side of the spherical block, so that the air flow spraying range is increased, and the air flow washing effect is improved; the inner side of the spherical block is fixedly connected with the scraping mechanism; the bottom of the bearing plate is fixedly connected with the second electric push rod, the spherical block is controlled to ascend and descend through the second electric push rod, the contact area of the liquid with the spherical block is reduced, and the working effect of the component is prevented from being affected; the side of the second electric push rod, which is away from the bearing plate, is fixedly connected with the air moving base; the third electric push rod controls the opening and closing of the sealing plate, so that the liquid leakage in the device is limited, and the operation of the device is prevented from being affected; the top of the air moving base is fixedly connected with the third electric push rod; and one side of the third electric push rod is fixedly connected with the sealing plate.

[0014] Preferably, the scraping mechanism comprises a support shaft, the outer side of the support shaft is rotatably connected with a scraping shell, and the middle of the outer side of the scraping shell is fixedly connected with a circular blade; the circular blade is impacted by the air flow, the circular blade drives the scraping support to impact, the scraping support rubs the inner wall of the spherical block, impurities on the inner wall of the component are removed, impurities are prevented from accumulating, the surface holes of the spherical block are prevented from being blocked by impurities, and the air flow efficiency is prevented from being affected; and the falling impurities enter the heat exchange shell.

[0015] The application provides a tubular heat exchanger for fluid heat exchange.

[0016] One, the fluid heat exchange column tube heat exchanger, through the heat exchange device design, when the hot flow medium enters the inside of the heat exchange pipe from the conversion mechanism, contact with the stripping mechanism inside the heat exchange pipe, through the liquid impact on the stripping mechanism, the stripping mechanism rubs the inner wall of the heat exchange pipe, so as to achieve the effect of cleaning impurities, avoid long time operation after the inner wall of the impurities accumulation too much, prevent the impurities accumulation occupation of the pipeline internal space, avoid affecting the liquid flow efficiency, avoid affecting the equipment heat exchange effect, hot flow medium into the heat exchange pipe, cold flow medium in the heat exchange shell, so that the hot flow medium and cold flow medium in the heat exchange shell, so as to achieve the realization of efficient heat exchange, so as to meet the operation requirements of the equipment, the heat exchange device after long time operation, need to clean the equipment, through the drying device inside the heat exchange device drying, so as to achieve the cleaning of the internal residual moisture, reduce the bacteria in the equipment, slow down the corrosion of the equipment by impurities, thereby prolonging the service life of the equipment, secondly, through the air blowing device to the inside of the heat exchange device, so as to achieve the cleaning of the impurities on the internal parts of the equipment, reduce the impurities in the equipment, avoid excessive accumulation of impurities, prevent affecting the operation efficiency of the equipment, open the discharge valve, finally through the first fan to produce wind force to clean the impurities in the equipment, reduce the impurities, hot flow medium from the hot flow medium into the pipe into the equipment inside, with the conversion mechanism to the hot flow medium, the hot flow medium enters the inside of the heat exchange pipe, flows to the rear pipe box inside, then the hot flow medium from the lower half of the heat exchange pipe to the conversion mechanism inside, finally from the hot flow medium outlet pipe to the outside, cold flow medium from the cold flow medium into the pipe into the heat exchange shell inside, finally the cold flow medium from the heat exchange shell to the cold flow medium outlet pipe to the outside, so that the hot flow medium and cold flow medium in the heat exchange shell, so as to realize the efficient heat exchange operation, so as to meet the operation demand.

[0017] Two, the fluid heat exchange column tube heat exchanger, through the conversion mechanism design, the receiving scraper and the fixed plate are matched, the heat exchange pipe is divided into two parts, when the operation stops, the receiving scraper is rotated by the motor control rotating shaft, so that the receiving scraper rubs the inner wall of the front pipe box, so as to clean the impurities in the equipment, reduce the impurities, avoid the corrosion of the impurities to the inner wall of the equipment, thereby prolonging the service life of the equipment, and through the scraping of the inner wall of the equipment, avoid the influence of the impurities accumulation on the liquid flow effect, avoid the equipment blockage.

[0018] III. The fluid heat exchange shell-and-tube heat exchanger is designed with a positioning mechanism. When the scraping plate is under high pressure during the process of receiving liquid flow, it is easy to cause the component to shake, thereby affecting the working effect of the component and preventing liquid leakage. Therefore, the first electric push rod controls the receiving plate to push the clamping mechanism to contact the receiving scraping plate, thereby achieving the function of fixing the component, preventing excessive impact of the liquid on the component, preventing the effect of the component on the liquid distribution, and preventing the effect of the component on the liquid distribution. The receiving plate is extended with the first electric push rod, thereby preventing the liquid from entering the inside of the component, preventing the liquid from corroding the inside of the component, thereby prolonging the service life of the component, and the first electric push rod controls the clamping mechanism to extend, thereby facilitating the receiving and releasing of the component.

[0019] IV. The fluid heat exchange shell-and-tube heat exchanger is designed with a drying device. When the liquid remains in the equipment, impurities are easily attached to the surface of the component, thereby hindering heat transfer, reducing heat exchange efficiency, and impurities accumulating too much, which can exacerbate the corrosion of the internal components of the equipment, thereby affecting the service life of the component. The drying machine generates hot air flow through the output pipe to send air to the inside of the equipment, thereby achieving the effect of drying the inside of the equipment, reducing the liquid residue in the equipment, reducing the growth of microorganisms and bacteria in the equipment, preventing the effect of subsequent liquid flow, avoiding pollution to the liquid, and avoiding scaling and impurity deposition by drying the inside of the equipment. Reduce the probability of impurity clumping, dry the inside of the heat exchange equipment by breaking the corrosion chain, eliminating scaling hazards, and avoiding start-stop risks. The grid plate blocks impurity particles from entering the pipeline, reduces the accumulation of particles in the pipeline, and the control valve blocks the entry of liquid. When air drying is needed, open the control valve.

[0020] V. The fluid heat exchange shell-and-tube heat exchanger is designed with a wind-driven device. The second fan generates wind power, which is sprayed outward by the spherical block to flush the components on the inner wall of the heat exchange shell, thereby achieving the effect of wind-driven cleaning of impurities. The kinetic energy generated by the high-speed flowing gas is used to remove impurities from the equipment by flushing, carrying and stripping the gas flow, thereby stripping the particles on the surface of the pipeline, preventing excessive accumulation of impurities, and preventing the effect of the equipment on the heat exchange effect and heat exchange efficiency. The outer side of the spherical block is provided with multi-angle holes to increase the range of air flow emission and improve the air flow flushing effect. The third electric push rod controls the opening and closing of the closing plate, thereby limiting the leakage of liquid in the equipment and preventing the effect of the equipment on the operation. The second electric push rod controls the spherical block to ascend and descend, thereby reducing the contact area of the liquid on the spherical block and preventing the effect of the component on the working effect. The second fan is inserted on the outside of the receiving block, thereby facilitating the replacement of the component, thereby facilitating the replacement of the component. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1The external structure schematic diagram of the heat exchanger of the fluid heat exchange of the present application;

[0022] Figure 2 The structure schematic diagram of the heat exchanger of the present application;

[0023] Figure 3 The section structure schematic diagram of the heat exchange device of the present application;

[0024] Figure 4 The section structure schematic diagram of the peeling mechanism of the present application;

[0025] Figure 5 The structure schematic diagram of the conversion mechanism of the present application;

[0026] Figure 6 The structure schematic diagram of the clamping mechanism of the present application;

[0027] Figure 7 The section structure schematic diagram of the drying device of the present application;

[0028] Figure 8 The structure schematic diagram of the rotating mechanism of the present application;

[0029] Figure 9 The section structure schematic diagram of the air moving device of the present application;

[0030] Figure 10 The structure schematic diagram of the scraping mechanism of the present application.

[0031] In the figure: 1, heat exchange device; 2, drying device; 3, air moving device; 4, motor; 5, hot flow medium inlet pipe; 6, hot flow medium outlet pipe; 7, cold flow medium inlet pipe; 8, cold flow medium outlet pipe; 11, conversion mechanism; 12, heat exchange shell; 13, fixed plate; 14, heat exchange pipe; 15, rear pipe box; 16, peeling mechanism; 17, positioning mechanism; 18, discharge valve; 19, first fan; 111, front pipe box; 112, rotating shaft; 113, bearing scraping plate; 161, fixed frame; 162, connecting shaft; 163, spiral plate; 171, positioning shell; 172, first electric push rod; 173, bearing plate; 174, clamping mechanism; 1741, sliding rod; 1742, spring strip; 1743, connecting plate; 1744, clamping block; 21, drying machine; 22, external connecting pipe; 23, output pipe; 24, grid plate; 25, control valve; 26, rotating mechanism; 261, bearing shaft; 262, rotating block; 263, rotating support; 264, connecting column; 265, external support; 266, paddle; 31, second fan; 32, bearing block; 33, air moving base; 34, spherical block; 35, scraping mechanism; 36, bearing plate; 37, second electric push rod; 38, closing plate; 39, third electric push rod; 351, support shaft; 352, scraping shell; 353, circular blade; 354, scraping support. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be apparently and completely described below with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0033] The first embodiment, as shown in the figure, the present application provides a technical solution: a fluid heat exchange tube heat exchanger, comprising a heat exchange device 1, the outside of the heat exchange device 1 arc-shaped side fixedly connected with motor 4, the outside of the heat exchange device 1 fixedly connected with drying device 2, the outside of the heat exchange device 1 fixedly connected with the side away from the drying device 2 wind device 3; Figures 1 to 6 The heat exchange device 1 comprises a conversion mechanism 11, the two sides of the conversion mechanism 11 are fixedly connected with a positioning mechanism 17, one side of the conversion mechanism 11 is fixedly connected with a heat exchange shell 12, the inner wall of the heat exchange shell 12 is fixedly connected with a fixed plate 13, the opposite surface of the fixed plate 13 is fixedly connected with a heat exchange pipe 14, the outside of the heat exchange shell 12 away from the conversion mechanism 11 is fixedly connected with a rear pipe box 15, the inner side of the heat exchange pipe 14 is fixedly connected with a stripping mechanism 16, the outside of the heat exchange shell 12 away from the drying device 2 is fixedly connected with a discharge valve 18, the outside of the discharge valve 18 away from the heat exchange shell 12 is fixedly connected with a first fan 19. When the hot flow medium enters the inside of the heat exchange pipe 14 from the conversion mechanism 11, it contacts with the stripping mechanism 16 inside the heat exchange pipe 14, and the stripping mechanism 16 rubs the inner wall of the heat exchange pipe 14 by being impacted by the liquid, so as to clean the impurities, avoid excessive accumulation of impurities in the inner wall after long time operation, prevent the impurities from occupying the space inside the pipeline, avoid affecting the flow efficiency of the liquid, avoid affecting the heat exchange effect of the equipment, the hot flow medium enters the heat exchange pipe 14, and the cold flow medium is in the heat exchange shell 12, so that the hot flow medium contacts with the cold flow medium in the heat exchange shell 12, so as to realize efficient heat exchange, so as to meet the operation requirements of the equipment. After the heat exchange device 1 is operated for a long time, the equipment needs to be cleaned, the inside of the heat exchange device 1 is dried by the drying device 2, so as to clean the residual moisture inside the equipment, reduce the bacteria inside the equipment, slow down the corrosion of the equipment by the impurities, thereby prolonging the service life of the equipment. Secondly, the inside of the heat exchange device 1 is ventilated by the wind device 3, so as to clean the impurities on the inside parts of the equipment, reduce the impurities inside the equipment, avoid excessive accumulation of impurities, prevent affecting the operation efficiency of the equipment, open the discharge valve 18, and finally clean the impurities inside the equipment by the first fan 19, so as to reduce the residual impurities.

[0034] ​

[0035] The upper side of the conversion mechanism 11 is fixedly connected with the heat flow medium inlet pipe 5, and the side of the conversion mechanism 11 away from the heat flow medium inlet pipe 5 is fixedly connected with the heat flow medium outlet pipe 6. The side of the heat exchange shell 12 close to the heat flow medium inlet pipe 5 is fixedly connected with the cold flow medium inlet pipe 7, and the side of the heat exchange shell 12 away from the air moving device 3 is fixedly connected with the cold flow medium outlet pipe 8. The heat flow medium enters the device from the heat flow medium inlet pipe 5, and is divided by the conversion mechanism 11, enters the heat exchange pipe 14, flows to the rear pipe box 15, and then flows from the lower half of the heat exchange pipe 14 to the inside of the conversion mechanism 11, and finally flows out from the heat flow medium outlet pipe 6. The cold flow medium enters the heat exchange shell 12 from the cold flow medium inlet pipe 7, and finally flows out from the heat exchange shell 12 to the cold flow medium outlet pipe 8. In this way, the heat flow medium and the cold flow medium are in contact in the heat exchange shell 12, thereby achieving efficient heat exchange and meeting the operation requirements.

[0036] The conversion mechanism 11 includes a front pipe box 111, which is fixedly connected with the outside of the motor 4 on the side away from the rear pipe box 15. A rotating shaft 112 is rotatably connected to one side of the inner wall of the front pipe box 111, and a receiving scraper 113 is fixedly connected to the outside of the rotating shaft 112. The output end of the motor 4 is fixedly connected to the outside of the rotating shaft 112. The receiving scraper 113 is adapted with the fixed plate 13, and the heat exchange pipe 14 is divided into two parts. When the operation is stopped, the receiving scraper 113 is rotated by the motor 4 to rub the inner wall of the front pipe box 111, thereby cleaning the impurities in the device, reducing the adhesion of impurities, avoiding corrosion of the inner wall of the device by impurities, prolonging the service life of the device, and avoiding the accumulation of impurities affecting the flow effect of the liquid, thereby avoiding the blockage of the device.

[0037] The stripping mechanism 16 includes a fixed frame 161 fixedly connected to the inner wall of the heat exchange pipe 14, and a connecting shaft 162 rotatably connected between the opposite surfaces of the fixed frame 161. A spiral plate 163 is fixedly connected to the outside of the connecting shaft 162. When the liquid enters the heat exchange pipe 14, the spiral plate 163 is rotated on the outside of the connecting shaft 162, thereby reducing the adhesion of impurities on the inner wall of the pipe, avoiding the accumulation of impurities affecting the heat exchange area of the component, increasing the turbulent flow effect of the liquid in the pipe, and the mechanical disturbance of the spiral plate can make the flow state of the fluid transition to turbulent flow, thereby further enhancing the heat transfer effect.

[0038] The positioning mechanism 17 comprises a positioning housing 171, the outer side of which is fixedly connected with the outer side of the front pipe box 111, one side of the outer side of the positioning housing 171 is fixedly connected with a first electric push rod 172, the outer side of the first electric push rod 172 is fixedly connected with a bearing plate 173 close to one side of the front pipe box 111, and the outer side of the bearing plate 173 is slidably connected with a clamping mechanism 174. The bearing scraper 113 has a large pressure in the process of bearing the liquid flow, which is easy to cause the parts to shake, thereby affecting the part operation effect, and preventing the occurrence of liquid leakage. Therefore, the bearing plate 173 is controlled by the first electric push rod 172 to push the clamping mechanism 174 to contact the bearing scraper 113, so as to achieve the effect of fixing the parts, thereby preventing the liquid from excessively impacting the parts and preventing the effect of the parts on the liquid distribution. In addition, the bearing plate 173 is telescopic with the first electric push rod 172, so as to block the liquid from entering the inside of the parts, prevent the liquid from corroding the inside of the parts, thereby prolonging the service life of the parts, and the first electric push rod 172 controls the clamping mechanism 174 to be telescopic, so as to facilitate the bearing of the parts and the release of the parts.

[0039] The clamping mechanism 174 comprises a sliding rod 1741, the outer side of which is slidably connected with the outer side of the bearing plate 173, the outer side of the sliding rod 1741 is fixedly connected with a connecting plate 1743 away from the first electric push rod 172, the outer side of the sliding rod 1741 is sleeved with a spring strip 1742 close to the connecting plate 1743, and the outer side of the connecting plate 1743 is fixedly connected with a clamping block 1744 away from the spring strip 1742. When the clamping block 1744 contacts the bearing scraper 113, the clamping block 1744 drives the sliding rod 1741 to extrude and contract the spring strip 1742, so as to achieve the effect of shock absorption and buffering, avoid excessive extrusion of the parts, prevent damage to the parts caused by excessive pressure, reduce the rigid collision between the parts and the parts, reduce the wear between the parts, thereby prolonging the service life of the parts, and supporting the sliding rod 1741 by the spring strip 1742, so as to achieve the effect of fixing the clamping parts.

[0040] The second embodiment is based on the first embodiment, please refer to Figures 7 to 8As shown, the drying device 2 comprises a drying machine 21, the outer side of the drying machine 21 is fixedly connected with an external pipe 22, the outer side of the external pipe 22 away from the drying machine 21 is fixedly connected with an output pipe 23, the bottom of the output pipe 23 is fixedly connected with a control valve 25, the inner wall of the output pipe 23 is fixedly connected with a grid plate 24 near the control valve 25, and the inner wall of the output pipe 23 is fixedly connected with a rotating mechanism 26. When liquid is left in the equipment, impurities are easily attached to the surface of the component in a liquid layer, thereby hindering heat transfer, reducing heat exchange efficiency, and impurities accumulating too much, which can easily cause the impurities to corrode the internal components of the equipment, thereby affecting the service life of the components. The drying machine 21 generates hot gas flow through the output pipe 23 to supply gas to the inside of the equipment, thereby achieving the effect of drying the inside of the equipment, reducing the liquid residue in the equipment, reducing the breeding of microorganisms and bacteria in the equipment, preventing the influence on the subsequent liquid flow, avoiding pollution to the liquid, drying the inside of the equipment to avoid fouling and impurity deposition, reduce the probability of impurity caking, and dry the inside of the heat exchange equipment to cut off the corrosion chain, eliminate the hidden danger of fouling, and avoid the start-stop risk. The grid plate 24 blocks impurity particles from entering the inside of the pipeline, reduces the accumulation of particles in the pipeline, and the control valve 25 blocks the entry of liquid. When gas drying operation is needed, the control valve 25 is opened.

[0041] The rotating mechanism 26 comprises a receiving shaft 261, the outer side of the receiving shaft 261 is rotatably connected with a rotating block 262, the outer side of the rotating block 262 is fixedly connected with a rotating support 263, the outer side of the rotating support 263 away from the rotating block 262 is rotatably connected with a connecting column 264, the outer side of the rotating block 262 near the rotating support 263 is fixedly connected with an external support 265, and the inner side of the external support 265 is fixedly connected with a paddle 266. The paddle 266 is impacted by the airflow to rotate the rotating block 262, and the rotating support 263 drives the rotating connecting column 264 to rub the inner wall of the pipeline, thereby cleaning the impurity particles on the inner wall of the pipeline, preventing the impurity particles from adhering to the inside of the pipeline, preventing the influence on the subsequent gas flow effect, and the scraped particles falling in the inside of the heat exchange shell 12, thereby facilitating subsequent cleaning.

[0042] In the third embodiment, on the basis of the first and second embodiments, please refer to Figures 9 to 10As shown, the air moving device 3 includes a second fan 31, the outer side of the second fan 31 is connected with a receiving block 32, the outer side of the receiving block 32 is connected with a bearing plate 36, the bottom of the receiving block 32 is fixedly connected with a spherical block 34, the inner side of the spherical block 34 is fixedly connected with a scraping mechanism 35, the bottom of the bearing plate 36 is fixedly connected with a second electric push rod 37, the outer side of the second electric push rod 37 away from the bearing plate 36 is fixedly connected with an air moving base 33, the top of the air moving base 33 is fixedly connected with a third electric push rod 39, the outer side of the third electric push rod 39 is fixedly connected with a closing plate 38. The wind power is generated by the second fan 31, the wind power is sprayed outward through the spherical block 34, the airflow is washed on the inner wall part of the heat exchange shell 12, so as to achieve the effect of air moving and cleaning impurities, the kinetic energy generated by the high-speed flowing gas is used, the impurities in the equipment are removed by the washing, carrying and peeling effects of the airflow, so as to peel off the particles on the surface of the pipeline, prevent the impurities from accumulating too much, prevent affecting the heat exchange effect and efficiency of the equipment, the multi-angle holes are arranged on the outer side of the spherical block 34, so as to increase the airflow spraying range, so as to improve the airflow washing effect, the third electric push rod 39 controls the opening and closing of the closing plate 38, so as to limit the liquid leakage in the equipment, prevent affecting the operation of the equipment, the spherical block 34 is controlled to ascend and descend by the second electric push rod 37, so as to reduce the contact area of the liquid with the spherical block 34, prevent affecting the operation effect of the part, the second fan 31 is inserted on the outer side of the receiving block 32, so as to facilitate the replacement of the part, thereby facilitating the replacement of the part.

[0043] The scraping mechanism 35 includes a support shaft 351, the outer side of the support shaft 351 is rotatably connected with a scraping shell 352, the middle of the outer side of the scraping shell 352 is fixedly connected with a circular blade 353, the upper side of the outer side of the scraping shell 352 is fixedly connected with a scraping support 354. The circular blade 353 is impacted by the airflow, the circular blade 353 drives the scraping support 354 to impact, the scraping support 354 rubs the inner wall of the spherical block 34, so as to achieve the effect of cleaning the impurities in the inner wall of the part, so as to reduce the accumulation of impurities, prevent the impurities from blocking the holes on the surface of the spherical block 34, avoid affecting the airflow flow efficiency, the falling impurities enter the inside of the heat exchange shell 12, the airflow is generated by the first fan 19, so as to clean the impurities in the equipment, thereby prolonging the service life of the equipment.

[0044] In use, the hot flow medium enters the inside of the heat exchange device 1 from the hot flow medium inlet pipe 5, is branched by the conversion mechanism 11 into the inside of the heat exchange pipe 14, thereby prolonging the heat exchange stroke and improving the heat exchange efficiency, the cold flow medium enters the inside of the heat exchange shell 12 from the cold flow medium inlet pipe 7, so that the cold flow medium contacts the hot flow medium in the heat exchange shell 12, thereby achieving the effect of fluid heat exchange, thereby meeting the equipment heat exchange demand, the hot flow medium enters the inside of the heat exchange pipe 14 and contacts the stripping mechanism 16, so that the stripping mechanism 16 rubs the inner wall of the pipe, thereby cleaning the impurities on the inner wall of the pipe, reducing the adsorption of impurities on the inner wall of the pipe, avoiding the influence of impurity accumulation on the heat exchange area of the component, increasing the turbulent flow effect of the liquid in the pipe, the mechanical disturbance of the spiral plate can make the flow state of the fluid transition to turbulent flow, further enhancing the heat transfer effect, the hot flow medium is discharged outward from the hot flow medium outlet pipe 6, and the cold flow medium is discharged outward from the cold flow medium outlet pipe 8, thereby achieving the effect of continuous operation, when the inside of the equipment needs to be cleaned, the conversion mechanism 11 is used to clean the impurities in the inside of the equipment, reduce the adhesion of impurities, avoid the corrosion of impurities to the inner wall of the equipment, thereby prolonging the service life of the equipment, and by scraping the inner wall of the equipment, avoiding the influence of impurity accumulation on the flow effect of the liquid, avoiding the occurrence of equipment blockage, then the positioning mechanism 17 supports the receiving scraper 113, the receiving scraper 113 is under great pressure during the process of receiving liquid flow, which is easy to cause the component to shake, thereby affecting the working effect of the component, preventing the occurrence of liquid leakage, therefore the first electric push rod 172 controls the receiving plate 173 to push the clamping mechanism 174 to contact the receiving scraper 113, thereby achieving the effect of fixing the component, thereby preventing excessive impact of the liquid on the component, preventing the influence of the component on the flow effect of the liquid, secondly, the receiving plate 173 stretches with the first electric push rod 172, thereby blocking the liquid from entering the inside of the component, preventing the liquid from corroding the inside of the component, thereby prolonging the service life of the component, the drying device 2 is used to dry the inside of the heat exchange device 1, when the liquid remains in the inside of the equipment, it is easy for the impurities to adhere to a layer of liquid on the surface of the component, thereby hindering heat transfer and reducing heat exchange efficiency, and too much impurity accumulation can exacerbate the corrosion of the inside of the equipment, thereby affecting the service life of the component, thereby achieving the effect of drying the inside of the equipment, thereby reducing the liquid remaining in the inside of the equipment and reducing the breeding of microorganisms and bacteria in the inside of the equipment, preventing the influence on the subsequent liquid flow and avoiding the pollution of the liquid, by drying the inside of the equipment, avoiding scaling and impurity deposition, reducing the probability of impurity clumping, drying the inside of the heat exchange equipment by cutting off the corrosion chain, eliminating scaling hazards, avoiding start-stop risks, the surface adhesion of the impurities is reduced after drying, the air moving device 3 is used to achieve the effect of air moving and cleaning impurities, the kinetic energy generated by the high-speed flowing gas is used to remove the impurities in the inside of the equipment by the scouring, carrying and stripping effects of the airflow, thereby stripping the particles on the surface of the pipe, preventing too much impurity accumulation from affecting the heat exchange effect and efficiency of the equipment,The impurities are cleaned by air, and the impurities fall in the heat exchange shell 12. The particles in the equipment are cleaned by the first fan 19, so as to keep the equipment clean and prolong the service life of the equipment.

[0045] Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art and related fields without creative labor should belong to the protection scope of the present application. The structures, devices and operation methods not specifically described and explained in the present application are implemented according to the conventional means in the art, unless specifically described and limited.

Claims

1. A shell-and-tube heat exchanger for the heat exchange of fluids, characterized in that: The utility model provides a heat exchange device, the heat exchange device (1) outside arc one side fixedly connected with motor (4), the heat exchange device (1) outside fixedly connected with drying device (2), the heat exchange device (1) outside away from drying device (2) one side fixedly connected with air operation device (3); The heat exchange device (1) includes a conversion mechanism (11), the two sides of the conversion mechanism (11) are fixedly connected with positioning mechanisms (17), one side of the conversion mechanism (11) is fixedly connected with a heat exchange shell (12), the two sides of the inner wall of the heat exchange shell (12) are fixedly connected with fixed plates (13), the opposite surfaces of the fixed plates (13) are fixedly connected with heat exchange pipes (14), one side of the heat exchange shell (12) away from the conversion mechanism (11) is fixedly connected with a rear pipe box (15), the inner side of the heat exchange pipe (14) is fixedly connected with a stripping mechanism (16), one side of the heat exchange shell (12) away from the drying device (2) is fixedly connected with a discharge valve (18), one side of the discharge valve (18) away from the heat exchange shell (12) is fixedly connected with a first fan (19); The conversion mechanism (11) includes a front pipe box (111), one side of the front pipe box (111) away from the rear pipe box (15) is fixedly connected with the outer side of the motor (4), one side of the inner wall of the front pipe box (111) is rotatably connected with a rotating shaft (112), the outer side of the rotating shaft (112) is fixedly connected with a receiving scraper (113), the output end of the motor (4) is fixedly connected with the outer side of the rotating shaft (112); The positioning mechanism (17) includes a positioning shell (171), the outer side of the positioning shell (171) is fixedly connected with the outer side of the front pipe box (111), one side of the outer side of the positioning shell (171) is fixedly connected with a first electric push rod (172), one side of the outer side of the first electric push rod (172) close to the front pipe box (111) is fixedly connected with a receiving plate (173), the outer side of the receiving plate (173) is slidably connected with a clamping mechanism (174); The clamping mechanism (174) includes a sliding rod (1741), the outer side of the sliding rod (1741) is slidably connected with the outer side of the receiving plate (173), one side of the outer side of the sliding rod (1741) away from the first electric push rod (172) is fixedly connected with a connecting plate (1743), a spring strip (1742) is sleeved on one side of the outer side of the sliding rod (1741) close to the connecting plate (1743), one side of the outer side of the connecting plate (1743) away from the spring strip (1742) is fixedly connected with a clamping block (1744); the receiving plate (173) is controlled by the first electric push rod (172) to push the clamping mechanism (174) to contact the receiving scraper (113), so as to achieve the function of fixing the components.

2. A shell-and-tube heat exchanger for the heat exchange of fluids according to claim 1, characterized in that: The upper side of the conversion mechanism (11) is fixedly connected with a heat flow medium inlet pipe (5), and the outer side of the conversion mechanism (11) is fixedly connected with a heat flow medium outlet pipe (6) away from the heat flow medium inlet pipe (5).

3. A tubular heat exchanger for the heat exchange of fluids according to claim 1, characterized in that: The stripping mechanism (16) comprises a fixed frame (161), the outer side of the fixed frame (161) is fixedly connected with the inner wall of the heat exchange pipe (14), and the opposite surfaces of the fixed frame (161) are rotatably connected with a connecting shaft (162), and the outer side of the connecting shaft (162) is fixedly connected with a spiral plate (163).

4. A tubular heat exchanger for the heat exchange of fluids according to claim 1, characterized in that: The drying device (2) comprises a drying machine (21), and the outer side of the drying machine (21) is fixedly connected with an external pipe (22), the outer side of the external pipe (22) is fixedly connected with an output pipe (23) away from the drying machine (21), the bottom of the output pipe (23) is fixedly connected with a control valve (25), the inner wall of the output pipe (23) is fixedly connected with a grating plate (24) close to the control valve (25), and the inner wall of the output pipe (23) is fixedly connected with a rotating mechanism (26).

5. A shell and tube heat exchanger for the heat exchange of fluids according to claim 4, characterized in that: The rotating mechanism (26) comprises a bearing shaft (261), the outer side of the bearing shaft (261) is rotatably connected with a rotating block (262), the outer side of the rotating block (262) is fixedly connected with a rotating support (263), the outer side of the rotating support (263) is rotatably connected with a connecting column (264) away from the rotating block (262), the outer side of the rotating block (262) is fixedly connected with an external support (265) close to the rotating support (263), and the inner side of the external support (265) is fixedly connected with a paddle (266).

6. A tubular heat exchanger for the heat exchange of fluids according to claim 1, characterized in that: The air moving device (3) comprises a second fan (31), the outer side of the second fan (31) is insertedly connected with a bearing block (32), the outer side of the bearing block (32) is insertedly connected with a bearing plate (36), the bottom of the bearing block (32) is fixedly connected with a spherical block (34), the inner side of the spherical block (34) is fixedly connected with a scraping mechanism (35), the bottom of the bearing plate (36) is fixedly connected with a second electric push rod (37), the outer side of the second electric push rod (37) is fixedly connected with an air moving base (33) away from the bearing plate (36), the top of the air moving base (33) is fixedly connected with a third electric push rod (39), and the outer side of the third electric push rod (39) is fixedly connected with a sealing plate (38).

7. A shell and tube heat exchanger for the heat exchange of fluids according to claim 6, characterized in that: The scraping mechanism (35) comprises a supporting shaft (351), the outer side of the supporting shaft (351) is rotatably connected with a scraping shell (352), the outer side of the scraping shell (352) is fixedly connected with a circular blade (353) at the middle, and the outer side of the scraping shell (352) is fixedly connected with a scraping support (354).

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