CN113959240A - Energy-saving waste heat recovery system - Google Patents
Energy-saving waste heat recovery system Download PDFInfo
- Publication number
- CN113959240A CN113959240A CN202111242273.3A CN202111242273A CN113959240A CN 113959240 A CN113959240 A CN 113959240A CN 202111242273 A CN202111242273 A CN 202111242273A CN 113959240 A CN113959240 A CN 113959240A
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- heat exchange
- outer case
- pipe
- recovery system
- heat recovery
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- 239000002918 waste heat Substances 0.000 title claims abstract description 20
- 238000011084 recovery Methods 0.000 title claims abstract description 18
- 239000002912 waste gas Substances 0.000 claims abstract description 20
- 238000011010 flushing procedure Methods 0.000 claims description 35
- 230000002087 whitening effect Effects 0.000 claims description 12
- 238000005406 washing Methods 0.000 claims description 11
- 230000008094 contradictory effect Effects 0.000 claims 1
- 230000033001 locomotion Effects 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 7
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 32
- 239000010410 layer Substances 0.000 description 31
- 238000005192 partition Methods 0.000 description 9
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000007599 discharging Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/053—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
- F28D1/0535—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight the conduits having a non-circular cross-section
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/02—Tubular elements of cross-section which is non-circular
- F28F1/04—Tubular elements of cross-section which is non-circular polygonal, e.g. rectangular
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/22—Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G15/00—Details
- F28G15/04—Feeding and driving arrangements, e.g. power operation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G9/00—Cleaning by flushing or washing, e.g. with chemical solvents
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/22—Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
- F28F2009/222—Particular guide plates, baffles or deflectors, e.g. having particular orientation relative to an elongated casing or conduit
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Geometry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The application relates to the technical field of heat treatment equipment, in particular to an energy-saving waste heat recovery system which comprises an outer case, wherein a heat exchange structure is arranged in the outer case, the heat exchange structure comprises a heat exchange tube horizontally arranged in the outer case, one end of the outer case is provided with a first connecting cavity communicated with an inner cavity of the heat exchange tube and used for introducing waste gas, and the other end of the outer case is provided with an exhaust cavity communicated with the inner cavity of the heat exchange tube and used for exhausting the waste gas; an air inlet machine is installed on the side wall of the outer case, and an air return port is formed in the side wall of the outer case. The present application has the following effects: the air can be through the shell transmission heat transfer of heat exchange tube when the motion to heat the air, the air after the heating will be discharged through the return air mouth, and direct exhaust waste gas can carry out the heat transfer at the exhaust in-process like this, utilizes the heat, and is energy-concerving and environment-protective.
Description
Technical Field
The application relates to the technical field of heat treatment equipment, in particular to an energy-saving waste heat recovery system.
Background
In the field of cloth and machining, various procedures such as drying, dip dyeing, rust removal and the like exist, and high-temperature gas is required for drying or shaping in the procedures. For example, after the air is heated by the heat source in the setting machine, the cloth in the machine case of the setting machine can be dried and set, and the used waste gas can be discharged after being treated.
However, the inventor believes that the exhaust gas still has a high temperature during the exhaust, and the temperature is directly exhausted through a previous heat source, which inevitably causes waste of the heat source.
Disclosure of Invention
In order to be able to utilize waste heat and save energy, the application provides an energy-saving waste heat recovery system.
The application provides an energy-conserving waste heat recovery system adopts following technical scheme: an energy-saving waste heat recovery system is characterized in that: the heat exchange structure comprises a heat exchange tube horizontally arranged in the outer case, one end of the outer case is provided with a first connecting cavity communicated with the inner cavity of the heat exchange tube and used for introducing waste gas, and the other end of the outer case is provided with an exhaust cavity communicated with the inner cavity of the heat exchange tube and used for exhausting the waste gas; an air inlet machine is installed on the side wall of the outer case, and an air return port is formed in the side wall of the outer case.
Through adopting above-mentioned technical scheme, let in waste gas through first connection chamber, waste gas gets into in the heat exchange tube this moment, after the heat exchange tube, will finally discharge waste gas through the exhaust chamber, and simultaneously, the air inlet machine can outwards quick-witted incasement input new air, the air is when the motion, can pass through the shell transmission heat transfer of heat exchange tube, thereby heat the air, the air after the heating will be discharged through the return air mouth, direct exhaust waste gas originally like this, can carry out the heat transfer at exhaust in-process, utilize the heat, energy saving and environmental protection.
Preferably, the heat exchange tubes are arranged in multiple groups at intervals along the length direction of the outer case, a blank reserving box is arranged between each group of heat exchange tubes, and at least one side of the circumferential side wall of each blank reserving box is not overlapped with the inner wall of the outer case, so that an air duct is formed.
Through adopting above-mentioned technical scheme, waste gas is inside at the in-process of motion, will follow a set of heat exchange tube and move to another group's heat exchange tube in, waste gas will produce certain turbulent flow in the blank case, increases the time of heat transfer, and the air duct that forms simultaneously in inside can reduce after the heat transfer towards the radiating possibility of outside, further increases energy-conserving effect.
Preferably, a flushing structure for flushing the heat exchange tube is arranged in the whitewashing box.
Through adopting above-mentioned technical scheme, waste gas is constantly when staying white incasement, and its impurity of surviving in the heat exchange tube inside can be washed to the other end by the one end of washing the structure from the heat exchange tube, can be convenient for follow-up clearance like this.
Preferably, the heat exchange tubes are polygonal tubes, and the adjacent heat exchange tubes in the vertical direction are arranged in a staggered manner.
Through adopting above-mentioned technical scheme, can increase the structural strength of whole heat exchange tube through setting up to the multilateral venturi tube to after having changed the appearance, new gas will be blockked by the outer wall of heat exchange tube when the outside through the heat exchange tube, can increase the time of staying of new gas, increase the effect of heat transfer.
Preferably, wash the structure and include along the vertical washing pipe fitting of sliding connection in staying white incasement and set up the driving motor who is used for ordering about to wash the pipe fitting motion staying white incasement, driving motor connects in washing the pipe fitting, install drive gear on driving motor's the output shaft, stay white case and connect the rack of the vertical setting of fixedly connected with on one side inner wall of heat exchange tube, drive gear cooperate in the rack.
Through adopting above-mentioned technical scheme, driving motor will make drive gear rotate at the during operation, and the cooperation rack when the pivoted, because the rack is fixed to be set up in leaving the white incasement, wash the pipe fitting this moment and will move thereupon, wash the pipe fitting like this and will wash the heat exchange tube of co-altitude not.
Preferably, the rack is provided with a notch corresponding to the heat exchange tube at the same height, the notch is connected with a cushion block in a sliding manner along a direction perpendicular to the rack in a resettable manner, and the driving motor is connected to the cushion block and used for enabling the cushion block to contact with the driving gear after moving.
Through adopting above-mentioned technical scheme, when moving to just when the heat exchange tube department, because the breach can take place idle running, can make like this to wash the pipe fitting and keep at this height, wash a period to the heat exchange tube, and driving motor can make the cushion conflict on drive gear after moving gradually this moment, and drive gear will continue to move under the effect of frictional force like this, with the meshing of remaining rack part and move.
Preferably, the inner wall of the whitening box is rotatably connected with a linkage tooth column, the cushion block is provided with a tooth block matched with the linkage tooth column, one end of the linkage tooth column is coaxially fixed with a linkage rubber wheel, and an output shaft of the driving motor is coaxially fixed with a rotating rubber wheel which is used for abutting against the linkage rubber wheel.
Through adopting above-mentioned technical scheme, when drive gear got into to the breach in, it will contradict with the linkage rubber tyer to rotate to make the linkage rubber tyer rotate, thereby drive the linkage tooth post and rotate, gradually will make cushion up-movement, when the cushion contacts with drive gear, just can make whole continuation motion.
Preferably, the flushing pipe fitting comprises a pipe body connected to a driving motor and a flushing head which is installed on the pipe body and corresponds to the opening of the heat exchange pipe, one end of the pipe body is connected to an output shaft of the driving motor in a sliding mode, a guide rod is arranged on the lower side of the pipe body, a guide groove for the guide rod to be embedded into is formed in the inner wall of the whitening box, and the extending direction of the guide groove is parallel to the end connecting line of each high heat exchange pipe.
Through adopting above-mentioned technical scheme, because crisscross setting between the adjacent height of holistic heat exchange tube, so when the motion, can be according to the motion of guide bar, adjust the horizontal position of body, can make the heat exchange tube of body adaptation co-altitude not like this for the flushing head can advance to wash to the heat exchange tube.
Preferably, the one end that just is located and keeps away from driving motor in the body slides and is connected with the movable tube, have on the movable tube and pass the additional flushing head of body, set up the confession on the lateral wall of body the gliding spout of additional flushing head, the movable tube has and passes the body and is used for conflicting the contact of supporting on the box inner wall of leaving white, have on the body and be used for ordering about the elastic component that the movable tube resets.
Through adopting above-mentioned technical scheme, when the body was when moving, the conflict head will be contradicted on the inner wall of staying white case to move inwards behind the atress, carry out deformation, and when moving to next height, will be under the effect of elastic component, the additional flushing head after resumeing can reset, washes the heat exchange pipe.
Preferably, two adjacent air ducts are not on the same plane.
Through adopting above-mentioned technical scheme, when new gas is carrying out the heat transfer through the second chamber, will pass whole group's heat exchange tube along the direction of slope completely, guaranteed both heat transfer effect, also can increase the heat transfer route of new gas in the heat transfer layer.
In summary, the present application includes at least one of the following beneficial technical effects:
1. in the process of discharging the waste gas, new gas can be heated by the heat exchange tube, and the heated gas is utilized by heat exchange, so that part of heat energy can be saved, preheating can be carried out in advance, and the effect of saving energy is achieved;
2. the heat exchange tube is polygonal, so that the retention time of new gas can be prolonged, and the heat exchange effect can be improved;
3. through setting up the structure of washing to interval motion, can wash the heat exchange tube to pertinence, keep the clean degree in the pipe.
4. Set up the air duct into different planes, can make new gas follow the slant and move, fine heat transfer improves the time of contact heat transfer.
Drawings
FIG. 1 is a schematic structural diagram of embodiment 1 of the present application;
FIG. 2 is a cross-sectional view of embodiment 1 of the present application;
FIG. 3 is a partial sectional view of embodiment 1 of the present application;
fig. 4 is a schematic view of the internal structure of the outer case of embodiment 2 of the present application after opening the outer wall on one side;
fig. 5 is a partial sectional view of an outer casing in embodiment 2 of the present application, showing a flushing structure;
fig. 6 is a schematic view of a connection relationship between the pipe body and the driving motor in embodiment 2 of the present application;
fig. 7 is a schematic view of a connection relationship between the abutting contact and the inner wall of the blank box in embodiment 2 of the present application.
Description of reference numerals: 100. an outer chassis; 110. a first separator; 111. a baffle; 112. a first connection chamber; 120. a second separator; 130. a waste gas layer; 131. an exhaust gas duct; 140. a gas return layer; 141. a second connection chamber; 142. a return air duct; 150. a heat exchange layer; 151. a heat exchange pipe; 152. a white box is left; 153. an air duct; 160. an exhaust outlet box; 161. an exhaust chamber; 170. an air inlet machine; 200. flushing the structure; 210. washing the pipe fitting; 211. a pipe body; 212. a rinsing head; 213. inserting a rod; 214. a square groove; 215. a guide bar; 216. a guide groove; 217. a movable tube; 218. adding a flushing head; 219. a chute; 220. a drive motor; 221. a drive gear; 222. a rack; 223. a notch; 231. a connecting section; 232. a conflict section; 233. a spring; 241. a chute channel; 242. a limiting column; 250. cushion blocks; 251. a soft adhesive layer; 261. a linkage tooth column; 262. a tooth block; 263. linkage rubber wheels; 264. the rubber wheel is rotated.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
Example 1:
the embodiment 1 of the application discloses an energy-saving waste heat recovery system, referring to fig. 1 and fig. 2, which includes an outer case 100, the outer case 100 is provided with a first partition board 110 and a second partition board 120 from bottom to top, and the two partition boards divide the inner portion of the outer case into a waste gas layer 130, an air return layer 140 and a heat exchange layer 150 which are sequentially arranged.
Referring to fig. 2 and 3, one end of the first partition 110 is hermetically connected to an inner wall of one end of the outer casing 100, and a gap is formed between the other end of the first partition 110 and the inner wall of the outer casing 100, a baffle 111 is welded to the end of the first partition 110, the baffle 111 is perpendicular to the first partition 110, and seals the air return layer 140 and the heat exchange layer 150, and an end of the baffle 111, which is far away from the first partition 110, is welded to a top wall of the outer casing 100. At this time, the end of the outer casing 100 where the baffle 111 is provided will form a first connection cavity 112 through the baffle 111 and the inner wall of the outer casing 100, and the first connection cavity 112 is communicated with the exhaust layer 130.
A heat exchange structure is arranged in the heat exchange layer 150, in this embodiment, the heat exchange structure includes a plurality of heat exchange tubes 151 horizontally arranged, and the heat exchange tubes 151 are tubes with hexagonal cross sections in this embodiment. The heat exchange layer 150 is internally partitioned into a first chamber and a second chamber by a heat exchange tube 151. The first chamber is located inside the heat exchange tube 151, the second chamber is located outside the heat exchange tube 151, one end of the heat exchange tube 151 is welded on the guide plate 111, and the inner chamber of the heat exchange tube 151, that is, the first chamber penetrates through the guide plate 111, so the first chamber is communicated with the exhaust gas layer 130.
The air return layer 140 is located between the heat exchange layer 150 and the exhaust gas layer 130, and is communicated with the second chamber, and one end of the air return layer 140 is communicated with the air return layer 140 through a second connecting chamber 141, and the communication manner is that a gap is formed at one end of the second partition plate 120 close to the deflector 111, and the gap forms the second connecting chamber 141. The first connection chamber 112 and the second connection chamber 141 are located at the same end.
In this embodiment, a plurality of groups of heat exchange tubes 151 are arranged at intervals along the length direction of the outer casing 100, a whitening box 152 is arranged between each group of heat exchange tubes 151, one end of the heat exchange tube 151 closest to the first connection cavity 112 is welded on the guide plate 111, the other end of the heat exchange tube 151 is welded on the side wall of the whitening box 152, and the heat exchange tubes 151 are communicated with the inside of the whitening box 152. In this embodiment, the ports of two adjacent sets of heat exchange tubes 151 are arranged in a common line. However, in other embodiments, the ports of the two sets of heat exchange tubes 151 may not be collinear, which may allow the exhaust gas to move with a lag motion within the whitepack tank 152 to the next set of heat exchange tubes 151.
At least one side of the sidewall of the blank case 152 in the circumferential direction is not overlapped with the inner wall of the heat exchange layer 150, thereby forming the air duct 153. Two adjacent air ducts 153 are not on the same plane in this embodiment, and two adjacent air ducts 153 are staggered from top to bottom, that is, after new gas enters, each heat exchange tube 151 will be passed along the oblique direction, and because heat exchange tube 151 is the hexagon, certain resistance can be increased, so that the heat exchange time can be increased, and total new gas will be in zigzag motion in the second cavity.
The end of the outer casing 100 remote from the first connection chamber 112 has an exhaust outlet box 160, which is internally provided with an exhaust chamber 161, and finally exhaust gas is discharged from the exhaust outlet. The outer cabinet 100 has an air inlet fan 170 on the outer wall thereof for communicating with the second chamber of the heat exchange pipe 151 nearest to the exhaust gas outlet box 160 so that new air passes through the heat exchange layer 150 from the opposite movement direction of the exhaust gas. And then moves into the air return layer 140 through the second connection chamber 141, and the outer casing 100 is provided with the exhaust duct 131 communicated with the exhaust layer 130 and the air return duct 142 communicated with the air return layer 140, and accordingly, an exhaust port and an air return port are formed on the side wall of the outer casing 100. The new gas is finally exhausted through the return duct 142, and in the process can be heated by the lower exhaust chamber. And the exhaust gas channel 131 and the air return channel 142 have a direct contact surface, and the exhaust gas just before entering the outer case 100 can also heat the new gas just after exiting the outer case 100, so that the utilization rate of heat energy can be improved through multiple heat exchange.
The implementation principle of the embodiment 1 of the application is as follows: the exhaust gas enters the lowermost exhaust gas layer 130 through the exhaust gas duct 131, moves in the horizontal direction, enters the first chamber through the first connecting chamber 112, moves in the length direction of the heat exchange pipe 151, will move in a delayed manner in the whitening tank 152, increases in duration, and is finally discharged through the exhaust gas outlet tank 160. Synchronous, will have new gas to enter into the heat transfer layer 150 of the other end through air inlet machine 170, new gas is zigzag and passes each heat exchange tube 151 group, carries out the heat transfer, then enters into the return air layer 140 to the middle part through second connection chamber 141, can also be heated by the exhaust gas layer 130 of downside this moment, finally discharge through return air flue 142, and can also be heated by exhaust gas channel 131 when discharging, holistic waste gas waste heat utilization efficiency is high, has energy-conserving effect.
Example 2:
the difference from the embodiment 1 is that, referring to fig. 4 and 5, a flushing structure 200 for flushing the heat exchange pipe 151 is installed in the whitewashing box 152, and an access door can be added to the bottom of the whitewashing box 152 for the convenience of personnel inspection or cleaning. The flushing structure 200 includes a flushing pipe 210 slidably connected in the blank box 152 along the longitudinal direction and a driving motor 220 disposed in the blank box 152 for driving the flushing pipe 210 to move.
The driving motor 220 is connected to the flushing pipe 210 and can move synchronously with the flushing pipe 210 in the longitudinal direction, a driving gear 221 is installed on an output shaft of the driving motor 220, a rack 222 which is longitudinally arranged is fixedly connected to the inner wall of one side of the blank reserving box 152, which is connected to the heat exchanging pipe 151, the rack 222 is located on one side of the blank reserving box 152, the driving motor 220 is also connected to one end of the flushing pipe 210, and the driving gear 221 is matched with the rack 222. When the driving motor 220 works, the driving gear 221 can be driven to rotate, and after the driving gear 221 rotates, the flushing pipe 210 will be driven to move.
Referring to fig. 5 and 6, the flushing pipe 210 includes a pipe body 211 connected to the driving motor 220 and a flushing head 212 installed on the pipe body 211 and corresponding to the nozzle of the heat exchange pipe 151, a high pressure water source is externally connected to the pipe body 211, one end of the pipe body 211 is slidably connected to an output shaft of the driving motor 220, an insertion rod 213 is axially disposed on a housing of the driving motor 220, the insertion rod 213 is a square rod, and accordingly, a square groove 214 for inserting the square rod is formed at an end of the pipe body 211. After the insertion rod 213 is inserted, the driving motor 220 and the tube body 211 can be circumferentially fixed, and the insertion rod 213 can slide for a certain distance along the opening direction of the square groove 214.
Meanwhile, the lower side of the tube body 211 is provided with a guide rod 215, the inner wall of the blank box 152 is provided with a guide groove 216 for the guide rod 215 to be embedded, the extending direction of the guide groove 216 is parallel to the end connecting line of the heat exchange tubes 151 with various heights, in the embodiment, the upper and lower two heights of the heat exchange tubes 151 are staggered, the heat exchange tubes 151 at the bottom layer are arranged with 8 tubes, and the number of the upper layer is 7, so that the guide groove 216 is waved in the embodiment, namely, the flushing head 212 can slide horizontally and periodically along with the movement of the tube body 211, thereby enabling the flushing head 212 to be matched with and corresponding to the heat exchange tubes 151.
Referring to fig. 7, since interference is formed after the pipe horizontally moves away from one end of the driving motor 220 during movement, a movable pipe 217 is slidably connected to one end of the pipe 211 located away from the driving motor 220, an additional rinsing head 218 penetrating through the pipe 211 is disposed on the movable pipe 217, and a sliding groove 219 for the additional rinsing head 218 to slide is disposed on a side wall of the pipe 211. The movable tube 217 has a contact through the tube body 211 and is used for contacting against the inner wall of the blank leaving box 152, the tube body 211 is provided with an elastic member for driving the movable tube 217 to reset, in the embodiment, the elastic member is a spring 233, the contact has two sections with different diameters, and the section with the smaller diameter is a connecting section 231 and is used for passing through the tube body 211; and the section with the larger diameter is an interference section 232 for interfering with the inner wall of the blank leaving box 152. The spring 233 is sleeved on a section with a smaller diameter, and when the contact force is applied, the contact head will be pressed, and at this time, the movable tube 217 will slide in the tube body 211, and the opposite additional flushing head 218 will contract and will also move upwards along with the tube body 211 in a circulating reciprocating manner.
Referring to fig. 6 and 7, in order to realize stable movement in the blank box 152 as a whole, the inner wall of the blank box 152 opposite to the two ends of the tube body 211 is provided with corresponding arrangements. On the inner wall that is close to the butt contact, have the spout way 241 that supplies conflict section 232 embedding for spacing conflict section 232, and on the inner wall that is close to driving motor 220, the connection that slides has a spacing post 242, and spacing post 242 coaxial rotation connects in driving motor 220's output shaft.
When the flushing head 212 is used for spray washing, continuous spray washing needs to be carried out on the heat exchange tube 151, the rack 222 is provided with a notch 223 corresponding to the heat exchange tube 151 at the same height, so that the driving gear 221 can idle, and therefore the flushing head 212 can continuously clean the pipe orifice of the heat exchange tube 151 continuously. The gap 223 is connected with a cushion block 250 in a sliding manner along a direction perpendicular to the rack 222 in a resettable manner, the cushion block 250 will contact with the driving gear 221 after moving, the upper end of the cushion block 250 is provided with a soft rubber layer 251, and when the cushion block 250 butts against the driving gear 221 after moving, the pipe fitting can continue to move through contact with the soft rubber layer 251.
Referring to fig. 5 and 6, a linkage tooth column 261 is rotatably connected to an inner wall of the blank leaving box 152, in this embodiment, a coil spring for returning is further installed on a rotating shaft of the linkage tooth column 261, a tooth block 262 matched with the linkage tooth column 261 is provided on the cushion block 250, a linkage rubber wheel 263 is coaxially fixed to one end of the linkage tooth column 261, and a rotating rubber wheel 264 abutted against the linkage rubber wheel 263 is coaxially fixed to an output shaft of the driving motor 220. When the rotary rubber wheel 264 abuts against and rotates the linkage rubber wheel 263, the linkage tooth column 261 is driven to be matched with the cushion block 250, so that the cushion block 250 moves upwards, and finally the upper side of the cushion block 250 is matched with the driving gear 221.
The implementation principle of embodiment 2 of the present application is as follows: when needing to wash, start driving motor 220, drive gear 221 and rack 222 cooperation this moment will make body 211 carry out horizontal slip along guide slot 216, and when drive gear 221 moved to breach 223 department, can make washing head 212 aim at the mouth of pipe of heat exchange tube 151 and wash, rotate rubber tyer 264 and linkage rubber tyer 263 after supporting this moment, will drive linkage tooth post 261 and rotate, will make cushion 250 rise constantly, after cushion 250 rises to can be supported with drive gear 221, will continue to make body 211 move.
And after rotating rubber tyer 264 and linkage rubber tyer 263 and breaking away from, linkage tooth post 261 will reset under the effect of wind spring, when the pipe fitting descends once more, can also wash, after the motion like this, can blow the impurity in the heat exchange tube 151 to the blank case 152 of the other end betterly in, the maintainer opens the access door and just can clear up this moment, and washes hiding that pipe fitting 210 can be better, and the effect is good.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. An energy-saving waste heat recovery system is characterized in that: the waste gas heat exchanger comprises an outer case (100), wherein a heat exchange structure is arranged in the outer case (100), the heat exchange structure comprises a heat exchange pipe (151) horizontally arranged in the outer case (100), one end of the outer case (100) is provided with a first connecting cavity (112) communicated with the inner cavity of the heat exchange pipe (151) and used for introducing waste gas, and the other end of the outer case (100) is provided with an exhaust cavity (161) communicated with the inner cavity of the heat exchange pipe (151) and used for exhausting waste gas; an air inlet machine (170) is installed on the side wall of the outer case (100), and an air return opening is formed in the side wall of the outer case (100).
2. The energy saving waste heat recovery system according to claim 1, characterized in that: the heat exchange tubes (151) are arranged in multiple groups at intervals along the length direction of the outer case (100), a blank leaving box (152) is arranged between each group of heat exchange tubes (151), and at least one side of the circumferential side wall of the blank leaving box (152) is not overlapped with the inner wall of the outer case (100) so as to form an air duct (153).
3. The energy saving waste heat recovery system according to claim 2, characterized in that: and a flushing structure (200) for flushing the heat exchange pipe (151) is arranged in the whitening box (152).
4. The energy saving waste heat recovery system according to claim 3, characterized in that: the heat exchange tubes (151) are polygonal tubes, and the adjacent heat exchange tubes (151) in the vertical direction are arranged in a staggered mode.
5. The energy saving waste heat recovery system according to claim 4, characterized in that: the flushing structure (200) comprises a flushing pipe fitting (210) connected in the whitening box (152) in a sliding mode along the longitudinal direction and a driving motor (220) arranged in the whitening box (152) and used for driving the flushing pipe fitting (210) to move, the driving motor (220) is connected to the flushing pipe fitting (210), a driving gear (221) is installed on an output shaft of the driving motor (220), a rack (222) which is longitudinally arranged is fixedly connected to the inner wall of one side of the whitening box (152) connected with the heat exchange pipe (151), and the driving gear (221) is matched with the rack (222).
6. The energy saving waste heat recovery system according to claim 5, characterized in that: the rack (222) is provided with a notch (223) corresponding to the heat exchange tube (151) with the same height, the notch (223) is connected with a cushion block (250) in a sliding mode along a direction perpendicular to the rack (222) in a resettable mode, and the driving motor (220) is connected to the cushion block (250) and used for enabling the cushion block (250) to contact with the driving gear (221) after moving.
7. The energy saving waste heat recovery system of claim 6, characterized in that: the inner wall of the whitening box (152) is connected with a linkage tooth column (261) in a rotating mode, a tooth block (262) matched with the linkage tooth column (261) is arranged on the cushion block (250), a linkage rubber wheel (263) is coaxially fixed at one end of the linkage tooth column (261), and a rotating rubber wheel (264) which is used for abutting against the linkage rubber wheel (263) is coaxially fixed on an output shaft of the driving motor (220).
8. The energy saving waste heat recovery system according to claim 7, characterized in that: the washing pipe fitting (210) comprises a pipe body (211) connected to a driving motor (220) and a washing head (212) installed on the pipe body (211) and corresponding to the pipe orifice of the heat exchange pipe (151), one end of the pipe body (211) is connected to an output shaft of the driving motor (220) in a sliding mode, a guide rod (215) is arranged on the lower side of the pipe body (211), a guide groove (216) for embedding the guide rod (215) is formed in the inner wall of the whitening box (152), and the extending direction of the guide groove (216) is parallel to the end connecting line of the heat exchange pipe (151) with each height.
9. The energy saving waste heat recovery system of claim 8, wherein: the utility model discloses a washing machine, including body (211), drive motor (220), movable tube (217) are connected with in just being located the one end that keeps away from in body (211) slides, have on movable tube (217) and pass additional flushing head (218) of body (211), offer the confession on the lateral wall of body (211) the gliding spout (219) of additional flushing head (218), movable tube (217) have and pass body (211) and be used for contradicting the contact of supporting on the box (152) inner wall of remaining white, the elastic component that is used for ordering about movable tube (217) and resets has on body (211).
10. The energy saving waste heat recovery system according to claim 2, characterized in that: two adjacent air passages (153) are not on the same plane.
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| CN202111242273.3A CN113959240B (en) | 2021-10-25 | 2021-10-25 | Energy-saving waste heat recovery system |
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| CN202111242273.3A CN113959240B (en) | 2021-10-25 | 2021-10-25 | Energy-saving waste heat recovery system |
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| CN113959240B (en) | 2024-04-19 |
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