CN209991814U - Sewage source heat exchanger - Google Patents
Sewage source heat exchanger Download PDFInfo
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- CN209991814U CN209991814U CN201920681697.1U CN201920681697U CN209991814U CN 209991814 U CN209991814 U CN 209991814U CN 201920681697 U CN201920681697 U CN 201920681697U CN 209991814 U CN209991814 U CN 209991814U
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Abstract
The application discloses sewage source heat exchanger, including the casing, can be in casing pivoted heat exchange tube subassembly and be used for driving heat exchange tube subassembly forward and reverse rotation's drive arrangement, be provided with sewage import and sewage outlet on the casing. The clear water in the heat exchange tube assembly and the sewage in the shell have different temperatures, and the existence of the temperature difference enables heat transfer to be generated between the clear water and the sewage, so that the temperature of the clear water is increased or decreased. So set up, sewage gets into the casing after, and is rotatory under heat exchange tube assembly's drive, forms decurrent whirl, has decurrent suction to suspension or showy class impurity to discharge suspension class or showy class impurity, avoid because of the jam problem that suspended solid or floater produced. The forward rotation and the reverse rotation of the heat exchange tube assembly are alternately carried out, so that the washing direction of the sewage on the outer surface of the heat exchange tube assembly can be changed, impurities wound on the heat exchange tube assembly can fall off under the reverse washing effect of the sewage and are discharged along with the sewage, and the wound filth blockage is effectively removed.
Description
Technical Field
The utility model relates to a indirect heating equipment technical field especially relates to a sewage source heat exchanger.
Background
In daily life, waste water and sewage can be seen everywhere, such as urban domestic sewage, bathroom sewage, steel works slag flushing water, electroplating wastewater, printing and dyeing wastewater, spraying wastewater and the like. Along with the rapid development of economy, the total amount of wastewater and sewage discharged in China currently increases year by year. The waste sewage contains a large amount of available heat energy, and the heat energy is used as a heat source of the heat pump, so that the heat energy in the urban sewage can be greatly recovered, more importantly, the energy is saved, and the consumption is reduced. However, the first problem of the utilization of the heat energy of the sewage is how to prevent a large amount of solid impurities contained in the sewage from blocking the heat exchange equipment. The impurities in the existing urban sewage mainly comprise suspended impurities on the water surface, deposited impurities at the water bottom, impurities suspended in the water and corrosive impurities, wherein the suspended impurities float above the heat exchanger when passing through the heat exchanger, so that the heat exchanger is easily blocked; the density of the deposited impurities is high, the deposited impurities are easy to deposit at the bottom of the heat exchanger, so that the conventional heat exchanger needs to be cleaned frequently, the deposited impurities are easy to harden, the cleaning difficulty is increased, and the problem of dirty blockage of the heat exchanger is serious.
While the heat exchanger in the prior art solves the blockage problem, the technical means is single, the winding type filth blockage and the suspension type filth blockage cannot be removed, and the filth blockage problem cannot be thoroughly solved.
Therefore, how to solve the problems that the heat exchanger is easy to block and winding type filth blockage and suspension type filth blockage can not be solved when the heat energy of the waste water is utilized in the prior art becomes an important technical problem to be solved by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
For overcoming the problem that exists in the correlation technique to a certain extent at least, the application provides a sewage source heat exchanger, and it can solve among the prior art when utilizing waste sewage's heat energy, causes the heat exchanger to block up easily, and can't solve winding type dirty stifled and suspension type dirty stifled problem.
The utility model discloses a realize like this: a sewage source heat exchanger comprises a shell, wherein a containing cavity for circulating sewage is formed in the shell, a sewage inlet is formed in the upper end of the shell, and a sewage outlet is formed in the lower end of the shell;
the heat exchange device is arranged in the accommodating cavity of the shell and comprises a heat exchange tube assembly, a water inlet tube and a water outlet tube, the heat exchange tube assembly can rotate relative to the shell, the water inlet tube is connected with the water inlet end of the heat exchange tube assembly, the water outlet tube is connected with the water outlet end of the heat exchange tube assembly, and the water inlet end of the water inlet tube and the water outlet end of the water outlet tube both extend to the outside of the shell;
and the driving device is used for driving the heat exchange pipe assembly to rotate in the forward direction and the reverse direction and is arranged outside the shell.
Preferably, the heat exchange tube assembly comprises a plurality of heat exchange tubes arranged in parallel and a tube joint used for enabling the water inlet end of each heat exchange tube to be communicated with the water inlet tube and enabling the water outlet end of each heat exchange tube to be communicated with the water outlet tube, a water inlet cavity and a water outlet cavity which are mutually independent are arranged in the tube joint, the water inlet tube and each heat exchange tube are communicated with the water inlet cavity, and the water outlet tube and each heat exchange tube are communicated with the water outlet cavity.
Preferably, the inlet tube with the coaxial cover of outlet pipe is established together, the inlet tube with the outlet pipe with the casing relatively fixed, the coupling with rotate between the inlet tube and be connected, the coupling with rotate between the outlet pipe and be connected, the axis of inlet tube with the axis of outlet pipe all with the rotation axis coincidence of coupling.
Preferably, a first slewing bearing is arranged between the water inlet pipe and the pipe joint, a second slewing bearing is arranged between the water outlet pipe and the pipe joint, the first slewing bearing comprises a first inner ring fixedly connected with the water inlet pipe and a first outer ring fixedly connected with the pipe joint, and the second slewing bearing comprises a second inner ring fixedly connected with the water outlet pipe and a second outer ring fixedly connected with the pipe joint.
Preferably, drive arrangement is including setting up the motor of casing top and setting are in the motor with the speed reduction subassembly between the coupling, the control end of motor is provided with the motor and just reverses the circuit, speed reduction subassembly include with the output shaft of motor high-speed gear and with coupling fixed connection's low-speed gear, the central point department of low-speed gear is provided with the confession the inlet tube with the through-hole that the outlet pipe passed, low-speed gear with the inlet tube with the outlet pipe rotates and is connected.
Preferably, the fixed a plurality of spliced poles that are provided with on the lower terminal surface of low-speed gear, it is a plurality of the spliced pole is followed the circumference evenly distributed of low-speed gear, the top terminal surface of casing is provided with the confession the annular through hole that the spliced pole passed, the axis of annular through hole with the axis coincidence of low-speed gear, it is a plurality of the spliced pole can be followed annular through hole circumference removes, the lower extreme of spliced pole with the upper end fixed connection of coupling.
Preferably, the water inlet cavity and the water outlet cavity are distributed up and down in the pipe joint, the heat exchange pipe is bent into a U shape, one end of the heat exchange pipe extends to the water inlet cavity, and the other end of the heat exchange pipe extends to the water outlet cavity.
Preferably, the sewage treatment device further comprises a support frame for supporting the shell, the shell comprises a cylindrical portion and a conical portion located below the cylindrical portion, the lower end of the cylindrical portion and the large end of the conical portion are fixedly connected to form an integrated structure, the sewage inlet is formed in the side wall of the upper end of the cylindrical portion, the sewage outlet is formed in the bottom end of the conical portion, and a sewage inlet pipe approximately tangent to the cylindrical portion extends from the sewage inlet of the cylindrical portion so that sewage enters the shell along the tangent direction of the cylindrical portion.
Preferably, sealing rings are arranged between the water inlet pipe and the pipe joint and between the water outlet pipe and the pipe joint.
Preferably, the inside of the casing is provided with a high pressure water shower for washing the inner side wall of the casing and the heat exchange pipe assembly.
The technical scheme provided by the application comprises the following beneficial effects:
the application provides a pair of sewage source heat exchanger, including casing and the heat transfer device of setting in the casing inside, be provided with the cavity that holds that supplies the sewage circulation in the casing inside, the casing upper end is provided with the sewage import that supplies sewage to get into the inside cavity that holds of casing, and the casing lower extreme is provided with the sewage export that supplies sewage to hold the cavity outflow from the casing inside, and inside sewage flowed into to the casing from the sewage import, flowed through behind the heat transfer device from the sewage export outflow. The heat exchange device is arranged in the accommodating cavity of the shell and comprises a heat exchange tube assembly, a water inlet tube and a water outlet tube, wherein the heat exchange tube assembly can rotate relative to the shell, the water inlet tube is connected with the water inlet end of the heat exchange tube assembly, the water outlet tube is connected with the water outlet end of the heat exchange tube assembly, the water inlet end of the water inlet tube and the water outlet end of the water outlet tube both extend to the outside of the shell, a heat exchange channel communicated with the water inlet tube and the water outlet tube is arranged in the heat exchange tube assembly, a heat exchange medium enters the heat exchange channel of the heat exchange tube assembly from the water inlet tube and flows out of the water outlet tube, the heat exchange medium can be selected as clean water, the clean water in the heat exchange channel and the sewage in the shell have different temperatures, the temperature difference can enable the clean water in the; if the temperature of the clean water is higher than that of the sewage, the sewage absorbs heat in the clean water to reduce the temperature of the clean water. The source heat exchanger also includes a drive means for driving the heat exchange tube assembly to rotate in forward and reverse directions relative to the housing, the drive means being disposed outside the housing. So set up, inside the back of sewage from the sewage import entering casing, can rotate under heat exchange tube assembly's drive, because the density is different, under the combined action of centrifugal force, centripetal force, buoyancy and fluid drag force, at the inside decurrent whirl that forms of casing, have decurrent suction to the impurity of suspension or floating in sewage to can effectually discharge suspension type or float type impurity, avoid because of the jam problem that suspended solid or floater produced. The driving device can drive the heat exchange tube assembly to rotate forwards or reversely relative to the shell, the rotating direction of the heat exchange tube assembly is changed once at intervals, the forward rotation and the reverse rotation of the heat exchange tube assembly are alternately performed, the scouring direction of sewage on the outer surface of the heat exchange tube assembly can be changed, impurities wound on the heat exchange tube assembly can fall off under the reverse scouring action of the sewage, and the impurities are discharged along with the sewage, so that the wound filth blockage is effectively removed.
In addition, sewage flows from the upper end of the shell to the lower end of the shell in a rotational flow mode, so that the flowing time of the sewage in the shell is prolonged, the heat exchange time is prolonged, and the heat exchange efficiency of the sewage source heat exchanger is improved; the rotational flow increases the disturbance to the flow of sewage, increases the heat transfer coefficient of the heat exchange tube assembly and improves the heat exchange efficiency.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a sewage source heat exchanger according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view A-A of FIG. 1;
fig. 3 is a schematic diagram of a connection structure between the speed reduction assembly and the heat exchange tube assembly according to an embodiment of the present invention.
Reference numerals:
a shell-1; a sewage inlet-2; a sewage outlet-3; a water inlet pipe-4; a water outlet pipe-5; a heat exchange tube-6; a pipe joint-7; a water inlet cavity-8; a water outlet cavity-9; a first slewing bearing-10; a second slewing bearing-11; a motor-12; a speed reduction assembly-13; high-speed gear-14; low-speed gear-15; connecting column-16; an annular through-hole-17; a support frame-18; a sewage inlet pipe-19; and (4) a sealing ring-20.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The purpose of this embodiment is to provide a sewage source heat exchanger, orders about the heat exchange tube subassembly through drive arrangement and carries out forward rotation or reverse rotation in turn inside the casing, makes sewage form the whirl inside the casing, produces decurrent suction when, changes the direction of washout of sewage to the heat exchange tube subassembly, makes the impurity of winding on the heat exchange tube subassembly surface drop, avoids the emergence of jam problem.
Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.
Referring to FIGS. 1-3, schematic structural views of a waste source heat exchanger in some exemplary embodiments are shown. The sewage source heat exchanger that this embodiment provided, including casing 1 and the heat transfer device of setting in casing 1 inside, be provided with the cavity that holds that supplies the sewage circulation in casing 1 inside, casing 1 upper end is provided with the sewage import 2 that supplies sewage to get into casing 1 inside and hold the cavity, casing 1 lower extreme is provided with the sewage export 3 that supplies sewage to hold the cavity outflow from casing 1 inside, sewage flows into to casing 1 inside from sewage import 2, flows through and flows out from sewage export 3 behind the heat transfer device. The heat exchange device is arranged in the accommodating cavity of the shell 1 and comprises a heat exchange tube component which can rotate relative to the shell 1, a water inlet pipe 4 connected with the water inlet end of the heat exchange tube component and a water outlet pipe 5 connected with the water outlet end of the heat exchange tube component, the water inlet end of the water inlet pipe 4 and the water outlet end of the water outlet pipe 5 both extend to the outside of the shell 1, a heat exchange channel communicated with the water inlet pipe 4 and the water outlet pipe 5 is arranged in the heat exchange tube component, after a heat exchange medium enters the heat exchange channel of the heat exchange tube component from, the water flows out of the water outlet pipe 5, the heat exchange medium at the position can be selected from clear water, the clear water in the heat exchange channel and the sewage in the shell 1 have different temperatures, the clear water in the heat exchange channel and the sewage in the shell 1 can generate heat transfer due to the existence of temperature difference, and if the temperature of the clear water is lower than that of the sewage, the clear water can absorb the heat in the sewage to increase the temperature; if the temperature of the clean water is higher than that of the sewage, the sewage absorbs heat in the clean water to reduce the temperature of the clean water. The source heat exchanger further includes a driving means for driving the heat exchange pipe assembly to rotate in forward and reverse directions with respect to the housing 1, the driving means being provided outside the housing 1. So set up, sewage from sewage import 2 get into the inside back of casing 1, can rotate under heat exchange tube assembly's drive, because density is different, under the combined action of centrifugal force, centripetal force, buoyancy and fluid drag force, at the inside decurrent whirl that forms of casing 1, have decurrent suction to the impurity of suspension or floating in sewage to can effectually discharge suspension type or float type impurity, avoid because of the jam problem that suspended solid or floater produced. The driving device can drive the heat exchange tube assembly to rotate forwards relative to the shell 1 or rotate reversely relative to the shell 1, the rotating direction of the heat exchange tube assembly is changed once at intervals, the forward rotation and the reverse rotation of the heat exchange tube assembly are alternately performed, the scouring direction of sewage on the outer surface of the heat exchange tube assembly can be changed, impurities wound on the heat exchange tube assembly can fall off under the reverse scouring action of the sewage, and the impurities are discharged along with the sewage, so that the wound filth is effectively removed.
In addition, the sewage flows from the upper end of the shell 1 to the lower end of the shell 1 in a rotational flow mode, so that the flowing time of the sewage in the shell 1 is prolonged, the heat exchange time is prolonged, and the heat exchange efficiency of the sewage source heat exchanger is improved; the rotational flow increases the disturbance to the flow of sewage, increases the heat transfer coefficient of the heat exchange tube assembly and improves the heat exchange efficiency.
In this embodiment, the heat exchange tube assembly includes a plurality of heat exchange tubes 6 and a tube joint 7 for communicating the water inlet end of the heat exchange tubes 6 with the water inlet tube 4 and communicating the water outlet end of the heat exchange tubes 6 with the water outlet tube 5. The heat exchange tubes 6 are arranged in parallel, the inner cavity of each heat exchange tube 6 is a heat exchange channel of a heat exchange tube assembly, a water inlet cavity 8 and a water outlet cavity 9 which are mutually independent are arranged inside the tube joint 7, the upper part of the water inlet cavity 8 is communicated with the water inlet tube 4, the lower part of the water inlet cavity 8 is communicated with each heat exchange tube 6, the upper part of the water outlet cavity 9 is communicated with the water outlet tube 5, the lower part of the water outlet cavity 9 is communicated with each heat exchange tube 6, clean water flows into the water inlet cavity 8 of the tube joint 7 through the water inlet tube 4, the clean water inside the water inlet cavity 8 is communicated with each heat exchange tube 6 at the same time, the clean water inside the water inlet cavity 8 can flow into each heat exchange tube 6, heat transfer is carried out between the sewage inside the heat exchange channel of the heat exchange tubes 6 and the outside.
In a preferred embodiment, the water inlet cavity 8 and the water outlet cavity 9 are distributed up and down inside the pipe joint 7, the heat exchange pipes 6 are bent in a U shape, that is, each heat exchange pipe 6 comprises two parallel straight pipe portions and a bent pipe portion, the two ends of the bent pipe portion are fixedly connected with the lower ends of the two straight pipe portions to form an integrated structure, the upper end of one straight pipe portion extends to the water inlet cavity 8, and the upper end of the other straight pipe portion extends to the water outlet cavity 9. The heat exchange tube 6 is set to be U-shaped, the flowing distance of clear water in the heat exchange tube 6 is increased, the heat exchange time between the clear water and sewage is prolonged, and the heat exchange efficiency of the heat exchanger can be improved.
In implementation, the water inlet pipe 4 and the water outlet pipe 5 are coaxially sleeved together, and the water inlet pipe 4 and the water outlet pipe 5 are fixedly connected and one of the two pipes located outside is fixedly connected with the shell 1. Rotate between coupling 7 and the inlet tube 4 and be connected, rotate between coupling 7 and the outlet pipe 5 and be connected, and the axis of inlet tube 4 and the axis of outlet pipe 5 all coincide with the axis of rotation of coupling 7, heat exchange tube 6 and coupling 7 fixed connection, at coupling 7 and heat exchange tube 6 rotation in-process, inlet tube 4 and outlet pipe 5 are fixed motionless, avoided setting up the rotation of the connecting tube who is connected with inlet tube 4 and outlet pipe 5 outside casing 1, avoid connecting tube's winding problem. As shown in fig. 1, the water inlet pipe 4 is sleeved outside the water outlet pipe 5, a gap is formed between the inner side wall of the water inlet pipe 4 and the outer side wall of the water outlet pipe 5, and clean water is circulated to the water inlet cavity 8 from the gap between the water inlet pipe 4 and the water outlet pipe 5; the clear water in the water outlet cavity 9 flows out from the interior of the water outlet pipe 5. On the contrary, if the water inlet pipe 4 is arranged inside the water outlet pipe 5, and a gap is formed between the outer side wall of the water inlet pipe 4 and the inner side wall of the water outlet pipe 5, the clean water flows into the water inlet cavity 8 from the inside of the water inlet pipe 4; the clear water in the water outlet cavity 9 flows out from the gap between the water inlet pipe 4 and the water outlet pipe 8.
In an implementation, in order to realize the relative rotation between the pipe joint 7 and the water inlet pipe 4 and the water outlet pipe 5, a first rotary support 10 is arranged between the water inlet pipe 4 and the pipe joint 7, and a second rotary support 11 is arranged between the water outlet pipe 5 and the pipe joint 7, wherein the first rotary support 10 and the second rotary support 11 need to provide a vertical upward supporting force for the pipe joint 7 while ensuring that the pipe joint 7 can rotate relative to the water inlet pipe 4 and the water outlet pipe 5, and here, the first rotary support 10 and the second rotary support 11 can be tapered roller bearings. The first slewing bearing 10 comprises a first inner ring fixedly connected with the water inlet pipe 4 and a first outer ring fixedly connected with the pipe joint 7, the second slewing bearing 11 comprises a second inner ring fixedly connected with the water outlet pipe 5 and a second outer ring fixedly connected with the pipe joint 7, and rolling bodies are arranged between the first inner ring and the first outer ring and between the second inner ring and the second outer ring so as to ensure that the first inner ring and the first outer ring can smoothly rotate relatively and the second inner ring and the second outer ring can smoothly rotate relatively.
In the implementation, in order to ensure the sealing performance of the rotary connection between the water inlet pipe 4 and the pipe joint 7 and the sealing performance of the rotary connection between the water outlet pipe 5 and the pipe joint 7, sealing rings 20 are respectively arranged between the water inlet pipe 4 and the pipe joint 7 and between the water outlet pipe 5 and the pipe joint 7.
In an implementation, the driving device comprises a motor 12 and a speed reducing assembly 13 arranged between the motor 12 and the pipe joint 7, the motor 12 is arranged above the outer part of the shell 1, the speed reducing assembly 13 comprises a high-speed gear 14 connected with an output shaft of the motor 12 and a low-speed gear 15 fixedly connected with the pipe joint 7, and the high-speed gear 14 is in meshing transmission with the low-speed gear 15. The central position of the low-speed gear 15 is provided with a through hole for the water inlet pipe 4 and the water outlet pipe 5 to pass through, for convenience of description, it is assumed that the water inlet pipe 4 is sleeved outside the water outlet pipe 5, and in this case, after the water inlet pipe 4 and the water outlet pipe 5 pass through the through hole on the low-speed gear 15, the water inlet pipe 4 is rotatably connected with the low-speed gear 15. The bearing is arranged in the through hole, the inner ring of the bearing is fixedly connected with the outer side wall of the water inlet pipe 4, the outer ring of the bearing is fixedly connected with the low-speed gear 15, and at the moment, the water inlet pipe 4 is equivalent to the rotating shaft of the low-speed gear 15 and provides support for the rotation of the low-speed gear 15.
In order to realize the forward rotation and the reverse rotation of the motor 12, a motor forward and reverse rotation circuit is arranged at the control end of the motor 12, and the forward rotation and the reverse rotation of the motor 12, namely the forward rotation and the reverse rotation of the pipe joint 7 and the heat exchange pipe 6, are realized through the motor forward and reverse rotation circuit.
It should be noted that the rotating speed of the low-speed gear 15 is low, that is, the rotating speeds of the pipe joint 7 and the heat exchange pipe 6 are low, and generally 1 to 2 revolutions per minute.
In this embodiment, in order to enable the low-speed gear 15 to drive the pipe joint 7 to rotate, a plurality of connecting columns 16 are arranged on the lower end surface of the low-speed gear 15, the connecting columns 16 are uniformly distributed around the water inlet pipe 4 and the water outlet pipe 5 along the circumferential direction of the low-speed gear 15, the upper ends of the connecting columns 16 are fixedly connected with the lower end surface of the low-speed gear 15, the lower ends of the connecting columns 16 are fixedly connected with the upper end of the pipe joint 7, referring to fig. 3, at this time, an annular through hole 17 needs to be arranged on the top end surface of the casing 1, the axis of the annular through hole 17 coincides with the axis of the low-speed gear 15, and the connecting columns 16 can penetrate through the annular through hole 17 and move along the circumferential direction. The connecting columns 16 simultaneously move along the circumferential direction of the annular through hole 17, the connecting position between each connecting column 16 and the pipe joint 7 is different, and each connecting column 16 has tangential force on the pipe joint 7 at the corresponding position, so that the pipe joint 7 is driven to rotate.
In the implementation, since the sewage outlet 3 is arranged at the lower end of the housing 1, in order to ensure that there is sufficient installation space below the housing 1, a support frame 18 for supporting the housing 1 is further arranged outside the housing 1, and the housing 1 is fixedly supported on the support frame 18. Casing 1 includes cylinder portion and the circular cone portion that is located cylinder portion below, as shown in fig. 1, the lower extreme of cylinder portion and the big end fixed connection formula structure as an organic whole of circular cone portion, sewage inlet 2 sets up on the lateral wall of cylinder portion upper end, sewage outlet 3 sets up the bottom at circular cone portion, the lower extreme of casing 1 is circular cone portion, the bottom surface of casing 1 is the inclined plane of downward sloping promptly, 3 positions in sewage outlet are minimum, guarantee that deposit class impurity can be smoothly discharged from 3 departments of sewage outlet, can avoid deposit class dirt, reduce the cleaning load to this heat exchanger.
In the preferred embodiment of the present invention, the cylindrical portion of the housing 1 is extended with a sewage inlet pipe 19 approximately tangent to the cylindrical portion at the sewage inlet 2, so that sewage enters the housing 1 along the tangential direction of the cylindrical portion of the housing 1, and at this time, a strong rotational motion can be generated, which is beneficial to forming a vortex flow in the interior of the housing 1, and increasing the downward suction force to suspended or floating impurities.
When needing to be explained, in order to ensure that the sewage can generate strong rotary motion after entering the shell 1, an included angle alpha between the axis of the sewage inlet pipe 19 and the tangent line of the cylindrical part at the corresponding position is 0-30 degrees.
In this embodiment, a high pressure water spray nozzle is arranged inside the shell 1 and used for cleaning the inner side wall and the heat exchange tube assembly of the shell 1 regularly, so that manual cleaning is avoided.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A source of wastewater heat exchanger, comprising:
the sewage treatment device comprises a shell (1), wherein a containing cavity for circulating sewage is formed in the shell (1), a sewage inlet (2) is formed in the upper end of the shell (1), and a sewage outlet (3) is formed in the lower end of the shell (1);
the heat exchange device is arranged in the accommodating cavity of the shell (1), and comprises a heat exchange tube assembly, a water inlet tube (4) and a water outlet tube (5), wherein the heat exchange tube assembly can rotate relative to the shell (1), the water inlet tube (4) is connected with the water inlet end of the heat exchange tube assembly, the water outlet tube (5) is connected with the water outlet end of the heat exchange tube assembly, and the water inlet end of the water inlet tube (4) and the water outlet end of the water outlet tube (5) both extend to the outside of the shell (1);
and the driving device for driving the heat exchange pipe assembly to rotate forwards and reversely is arranged outside the shell (1).
2. The waste water source heat exchanger according to claim 1, wherein the heat exchange tube assembly comprises a plurality of heat exchange tubes (6) arranged in parallel and a tube joint (7) for communicating the water inlet ends of the heat exchange tubes (6) with the water inlet tube (4) and communicating the water outlet ends of the heat exchange tubes (6) with the water outlet tube (5), a water inlet cavity (8) and a water outlet cavity (9) which are independent of each other are arranged in the tube joint (7), the water inlet tube (4) and each heat exchange tube (6) are communicated with the water inlet cavity (8), and the water outlet tube (5) and each heat exchange tube (6) are communicated with the water outlet cavity (9).
3. The sewage source heat exchanger according to claim 2, wherein the water inlet pipe (4) and the water outlet pipe (5) are coaxially sleeved together, the water inlet pipe (4) and the water outlet pipe (5) are relatively fixed with the housing (1), the pipe joint (7) is rotatably connected with the water inlet pipe (4), the pipe joint (7) is rotatably connected with the water outlet pipe (5), and both the axis of the water inlet pipe (4) and the axis of the water outlet pipe (5) are coincident with the rotation axis of the pipe joint (7).
4. Sewage source heat exchanger according to claim 3, characterised in that a first slewing bearing (10) is arranged between the inlet pipe (4) and the pipe connection (7), a second slewing bearing (11) is arranged between the outlet pipe (5) and the pipe connection (7), the first slewing bearing (10) comprising a first inner ring fixedly connected to the inlet pipe (4) and a first outer ring fixedly connected to the pipe connection (7), and the second slewing bearing (11) comprising a second inner ring fixedly connected to the outlet pipe (5) and a second outer ring fixedly connected to the pipe connection (7).
5. The source heat exchanger according to claim 3, wherein the driving device comprises a motor (12) disposed above the housing (1) and a speed reducing assembly (13) disposed between the motor (12) and the pipe joint (7), a control end of the motor (12) is provided with a motor forward and reverse rotation circuit, the speed reducing assembly (13) comprises a high-speed gear (14) connected with an output shaft of the motor (12) and a low-speed gear (15) fixedly connected with the pipe joint (7), a through hole for the water inlet pipe (4) and the water outlet pipe (5) to pass through is disposed at a central position of the low-speed gear (15), and the low-speed gear (15) is rotatably connected with the water inlet pipe (4) and the water outlet pipe (5).
6. The sewage source heat exchanger according to claim 5, wherein a plurality of connecting columns (16) are fixedly arranged on the lower end surface of the low-speed gear (15), the connecting columns (16) are uniformly distributed along the circumferential direction of the low-speed gear (15), an annular through hole (17) for the connecting column (16) to pass through is formed in the top end surface of the shell (1), the axis of the annular through hole (17) is overlapped with the axis of the low-speed gear (15), the connecting columns (16) can move along the circumferential direction of the annular through hole (17), and the lower end of the connecting column (16) is fixedly connected with the upper end of the pipe joint (7).
7. The waste water source heat exchanger according to claim 2, wherein the water inlet cavity (8) and the water outlet cavity (9) are distributed up and down inside the pipe joint (7), the heat exchange pipe (6) is bent to be U-shaped, one end of the heat exchange pipe (6) extends to the water inlet cavity (8), and the other end of the heat exchange pipe extends to the water outlet cavity (9).
8. The sewage source heat exchanger according to claim 1, further comprising a support frame (18) for supporting the housing (1), wherein the housing (1) comprises a cylindrical portion and a conical portion located below the cylindrical portion, the lower end of the cylindrical portion is fixedly connected with the large end of the conical portion to form a one-piece structure, the sewage inlet (2) is arranged on the side wall of the upper end of the cylindrical portion, the sewage outlet (3) is arranged at the bottom end of the conical portion, and the cylindrical portion is extended at the sewage inlet (2) to form a sewage inlet pipe (19) approximately tangent to the cylindrical portion, so that sewage enters the housing (1) along the tangent direction of the cylindrical portion.
9. The source heat exchanger according to claim 2, characterized in that sealing rings (20) are arranged between the water inlet pipe (4) and the pipe joint (7) and between the water outlet pipe (5) and the pipe joint (7).
10. The source heat exchanger according to claim 1, wherein the inside of the housing (1) is provided with a high pressure water shower for washing the inner side wall of the housing (1) and the heat exchange pipe assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920681697.1U CN209991814U (en) | 2019-05-13 | 2019-05-13 | Sewage source heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920681697.1U CN209991814U (en) | 2019-05-13 | 2019-05-13 | Sewage source heat exchanger |
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| Publication Number | Publication Date |
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| CN209991814U true CN209991814U (en) | 2020-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920681697.1U Active CN209991814U (en) | 2019-05-13 | 2019-05-13 | Sewage source heat exchanger |
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| CN (1) | CN209991814U (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110057210A (en) * | 2019-05-13 | 2019-07-26 | 燕河能源技术(北京)股份有限公司 | A kind of sewage source heat exchanger |
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2019
- 2019-05-13 CN CN201920681697.1U patent/CN209991814U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110057210A (en) * | 2019-05-13 | 2019-07-26 | 燕河能源技术(北京)股份有限公司 | A kind of sewage source heat exchanger |
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