CN210532676U - Heating device with higher waste heat utilization rate - Google Patents

Abstract

The utility model discloses a heating device higher to waste heat utilization ratio, including the portion that generates heat, the portion that generates heat is including outer body and the solenoid of winding on the outer wall of outer body, bottom and top cap are installed respectively to both ends about outer body, and the internally mounted of outer body has the inlayer body, and the inside of inlayer body is provided with the scale removal device that generates heat, and the scale removal device that generates heat is including the heating tube and set up at the inside heating cavity of heating tube, and the inside embedding of heating cavity has the scale removal device, and fixed axle sleeve is installed to the wherein one end of scale removal device. The cold water can only be heated in the heating tube, and the cold water can also absorb and utilize the heat generated by the electromagnetic coil, so that the conversion rate of electric energy can be greatly improved, the temperature on the electromagnetic coil can be reduced, the service life of the electromagnetic coil is prolonged, and scale in the heating tube can be better removed.

Description

Heating device with higher waste heat utilization rate

Technical Field

The utility model belongs to the technical field of the firing equipment technique and specifically relates to a heating device to waste heat utilization ratio is higher.

Background

The household water heaters in the market at present mainly comprise three types, namely a water storage type water heater, an instant heating type water heater and an instant heating type water heater, wherein the water storage type water heater is a water heater with a small-power electric heating tube in a large-volume water tank, the water storage capacity is large, but the time required for heating water in the water heater to a higher temperature is longer, and the water needs to be heated to the required temperature in advance before bathing generally; the instant water heater is a water heater with a high-power electric heating pipe in a small-volume water tank, can realize heating and bathing at the same time, and has short time for heating to a higher temperature; the instant water heater is a water heater between a water storage type water heater and an instant water heater. However, in the three household water heaters, the electric heating tube is inserted into water for heating, however, calcium carbonate and the like in water are attached to the surface of the electric heating tube to form scale due to the high temperature of the electric heating tube when the electric heating tube is electrified for heating, a large amount of scale is attached to the surface of the electric heating tube to influence the heat emission of the electric heating tube, and the electric heating tube is seriously even cracked to cause electric leakage. The potential safety hazard is particularly embodied in the instant water heater, and the instant water heater is in a power-on state when used, so that great necessity exists for product improvement aiming at the potential safety hazard of the instant water heater.

In view of this, chinese utility model patent application No. 201720614323.9 discloses an electromagnetic shower heater in 2018, 04/10.s, which includes a case, a control panel, and an electromagnetic heater and a frequency converter fixed in the case; a water inlet interface and a water outlet interface are arranged on the case; the control panel is electrically connected with the electromagnetic heater through the frequency converter; the electromagnetic heater comprises a hollow heating pipe, a first cover body, a second cover body, a sleeve and a coil surrounding the sleeve, wherein the sleeve is sleeved on the hollow heating pipe and forms a liquid flowing cavity with the outer wall of the hollow heating pipe in a surrounding manner; the first cover body covers one ends of the hollow heating pipe and the sleeve pipe, and the liquid flowing cavity is communicated with the interior of the hollow heating pipe through the first cover body; the second cover body is covered on the other ends of the hollow heating pipe and the sleeve pipe, a water inlet channel and a water outlet channel are formed in the second cover body, and the water inlet channel is communicated with the liquid flowing cavity; the hollow heating pipe is communicated with the water outlet port through the water outlet channel; the outer wall of the hollow heating pipe is provided with a spiral raised line. However, in practical use, the scheme has three problems: the electromagnetic coil heating device comprises (1) cold water, a hollow heating pipe and a coil, wherein the cold water flows forwards from the outer side of the hollow heating pipe and then enters the hollow heating pipe to be continuously heated, namely the inner side and the outer side of the hollow heating pipe are simultaneously heated, so that the temperature of the water is higher and higher in the forward flowing process, the heat is transferred to the electromagnetic coil, the temperature of the electromagnetic coil is sequentially increased from left to right, the service life of the electromagnetic coil is influenced, and safety accidents can occur under special conditions; (2) when high-frequency current is supplied to the electromagnetic coil, a large amount of heat is generated under the action of the current, and the heat in hot water is also conducted to the electromagnetic coil, so that the temperature of the electromagnetic coil is overhigh, and a large amount of heat is wasted; (3) because hot water can enter into the inside of cavity heating pipe and heat, after using for a long time, can produce a large amount of incrustations on the inner wall of cavity heating pipe, because the space is narrower for the incrustations is difficult to the clearance, thereby influences the heating effect.

SUMMERY OF THE UTILITY MODEL

The to-be-solved problem of the utility model is to provide a simple structure, reasonable in design, rate of heating is fast, the coil is heated the equilibrium, prevent that the heat scatters and disappears and can remove the high-efficient heating device of the inside incrustation scale of heating pipe.

In order to solve the technical problem, the utility model discloses a technical scheme is: a heating device with higher utilization rate of waste heat comprises a heating part, wherein the heating part comprises an outer layer pipe body and an electromagnetic coil wound on the outer wall of the outer layer pipe body, the left end and the right end of the outer layer pipe body are respectively provided with a bottom cover and a top cover, an inner layer pipe body is arranged inside the outer layer pipe body, a cold water inflow channel is arranged between the outer layer pipe body and the inner layer pipe body, a heating descaling device is arranged inside the inner layer pipe body, the heating descaling device comprises a heating pipe and a heating cavity arranged inside the heating pipe, a scale removing device is embedded inside the heating cavity, one end of the scale removing device is provided with a fixed shaft sleeve, the top cover is connected with a heat absorbing pipe, the heat absorbing pipe is arranged on a heat radiating plate, and the heat radiating plate is provided with a plurality of round pipe holes, the heat absorption pipe is embedded in the circular pipe hole, and two sections of corrugated pipes are arranged at two ends of the heat absorption pipe respectively.

Preferably, the above heating device with a higher residual heat utilization rate is provided, wherein the scale removal device is specifically made of a spiral rod, the diameter of the spiral rod is 5-50mm, and the outer wall of the spiral rod is provided with spiral protrusions.

Preferably, the heating device with a higher residual heat utilization rate is characterized in that the scale removal device is specifically made of a rotating rod, the diameter of the rotating rod is 2-10mm, and the outer wall of the rotating rod is provided with spiral fins.

Preferably, the above heating device with higher utilization rate of residual heat is provided, wherein the descaling device is specifically made of a rotating shaft and a plurality of segmented blades arranged on the rotating shaft, and gaps are arranged between adjacent segmented blades.

Preferably, in the above heating apparatus with a higher utilization rate of waste heat, one end of the spiral rod is provided with a rotating shaft, and the fixed shaft sleeves are respectively installed on the rotating shaft.

Preferably, foretell heating device to waste heat utilization rate is higher, wherein left silica gel seal cover and right silica gel seal cover are installed respectively to the left and right sides of inlayer body, the both ends are embedded respectively about the inlayer body the downthehole outside of left silica gel seal cover, right silica gel seal cover, fixed axle sleeve embedding is in wherein one end of heating tube.

Preferably, in the above heating apparatus with a higher residual heat utilization rate, a second sealing ring is installed inside the bottom cover, and the bottom cover is fixed on the heating tube through a fastening bolt.

Preferably, in the above heating device with a higher waste heat utilization rate, the inner part of the top cover is provided with the first sealing ring, the fixing shaft sleeve is embedded in the connector, the top cover is provided with the water inlet and the water outlet, and the water inlet and the water outlet are provided with the first temperature sensor and the second temperature sensor respectively.

Preferably, the heating device with higher waste heat utilization rate is provided, wherein a water resistance sensor is installed inside the bottom cover.

The utility model has the advantages and beneficial effects that: (1) by arranging the outer layer tube body and the inner layer tube body, when cold water enters a cold water inflow channel between the outer layer tube body and the inner layer tube body from the water inlet, the cold water directly enters the heating tube to be heated, and the inner layer tube body isolates the cold water from the heating body rod, so that the cold water can only be heated in the heating tube, and the water flowing in the heating tube between the outer layer tube body and the inner layer tube body is always cold water, therefore, heat in hot water is not conducted to the electromagnetic coil, on the contrary, the cold water can absorb and utilize the heat generated by the electromagnetic coil, the conversion rate of electric energy can be greatly improved, the temperature on the electromagnetic coil can be reduced, and the service life of the electromagnetic coil is prolonged; (2) set up the heating cavity through the inside at the heating tube, the inside embedding of heating cavity has the descale device, fixed axle sleeve of intaking and fixed axle sleeve are installed respectively to both ends about the descale device, wherein the inside of the fixed axle sleeve of intaking is provided with helical blade, when cold water enters into the heating cavity in from the fixed axle sleeve of intaking, cold water can be rotatory the flow under helical blade's effect, and the descale device is generally made by hob and rotary rod, cold water can flow along hob and rotary rod, thereby drive hob and rotary rod rotate fast, the hob can rub each other with the inner wall of heating cavity at the rotation in-process, and the rotary rod can get rid of cold water to the inner wall of heating cavity under the effect of centrifugal force in rotating the process, just so can be better the incrustation scale of removing on the heating tube inner wall.

Drawings

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

FIG. 2 is a schematic structural view of the heat absorbing tube and the heat dissipating plate of the present invention;

fig. 3 is a schematic view of the overall structure of the present invention;

fig. 4 is a schematic longitudinal cross-sectional structure of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

FIG. 6 is a partially disassembled schematic view of the present invention;

fig. 7 is an exploded view of the present invention;

FIG. 8 is a schematic structural view of the middle top cover of the present invention

FIG. 9 is a schematic structural view of a heat-generating descaling device according to the present invention;

FIG. 10 is a schematic structural view of the heat pipe disassembled by the heat-generating descaling device of the present invention;

FIG. 11 is an exploded view of the heat-generating descaling device of the present invention;

fig. 12 is a schematic structural view of the fixing shaft sleeve of the present invention;

FIG. 13 is a schematic structural view of a heat generating tube of the present invention;

fig. 14 is a schematic structural view of a rotary rod of the present invention;

fig. 15 is a schematic structural view of the rotating shaft and the sectional blade according to the present invention.

In the figure: 1. an outer pipe body; 2. an electromagnetic coil; 3. an inner pipe body; 4. a heat-generating descaling device; 41. A heat generating tube; 42. a helical rod; 43. a spiral protrusion; 44. a rotating shaft; 45. a rotating shaft; 46. fixing the shaft sleeve; 47. a left card slot; 48. a right card slot; 49. a segmented blade; 410. a gap; 411. reinforcing ribs; 412. heating the cavity; 413. rotating the rod; 414. a helical fin; 5. a top cover; 6. a first seal ring; 7. a water resistance sensor; 8. a bottom cover; 9. a second seal ring; 10. fastening a bolt; 11. a water inlet; 12. a water outlet; 13. a cold water inflow channel; 14. a left silica gel sealing sleeve; 15. a right silica gel sealing sleeve; 16. a first temperature sensor; 17. a second temperature sensor; 18. a heat dissipation plate; 19. a circular pipe hole; 20. a heat absorbing tube; 21. a bellows.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the following description, together with the accompanying drawings and the embodiments of the present invention, will be made to clearly describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in 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.

Example [ (one) ]

As shown in fig. 3, 4, 5, 6 and 7, a built-in descaling device for a heating tube 41 comprises a heating part, the heating part comprises an outer tube 1 and an electromagnetic coil 2 wound on the outer wall of the outer tube 1, a bottom cover 8 and a top cover 5 are respectively installed at the left and right ends of the outer tube 1, a second sealing ring 9 is installed inside the bottom cover 8, the bottom cover 8 is fixed on the heating tube 41 through a fastening bolt 10, a first sealing ring 6 is installed inside the top cover 5, the bottom cover 8 and the top cover 5 can be connected with the outer tube 1 in a sealing manner through the first sealing ring 6 and the second sealing ring 9, a water inlet 11 and a water outlet 12 are respectively opened on the top cover 5, a first temperature sensor 16 and a second temperature sensor 17 are respectively installed on the water inlet 11 and the water outlet 12, a water resistance sensor 7 is installed inside the bottom cover 8, the temperature of water can be detected by the first temperature sensor 16 and the second temperature sensor 17, so that the temperature of the discharged water can be controlled, the temperature of the water can be only detected by the first temperature sensor 16 and the second temperature sensor 17, the heating pipe 41 cannot be judged to be dry-burned, the water resistance sensor 7 can detect the resistance of the water, the water level in the heating pipe 41 can be judged to be low, the dry burning can be prevented, double insurance is realized, and the safety is higher. The inner pipe body 3 is arranged inside the outer pipe body 1, the cold water inflow channel 13 is arranged between the outer pipe body 1 and the inner pipe body 3, the heating descaling device 4 is arranged inside the inner pipe body 3, and the heating descaling device 4 comprises a heating pipe 41 and a heating cavity 412 arranged inside the heating pipe 41.

By arranging the outer layer pipe body 1 and the inner layer pipe body 3, after cold water enters the cold water inflow channel 13 between the outer layer pipe body 1 and the inner layer pipe body 3 from the water inlet 11, the cold water directly enters the heating pipe 41 to be heated, because the inner layer pipe body 3 isolates the cold water from the heating pipe 41, an air layer is arranged between the heating pipe 41 and the inner layer pipe body 3, because the air thermal conductivity is extremely poor, the heat on the heating pipe 1 cannot be radiated outwards but can be radiated inwards, so that the cold water can only be heated in the heating pipe 41, and the water flowing in between the outer layer pipe body 1 and the inner layer pipe body 3 is always cold water, therefore, the heat in the hot water can not be conducted to the electromagnetic coil 2, but the cold water can also absorb and utilize the heat generated by the electromagnetic coil 2, the conversion rate of electric energy can be greatly improved, and the temperature on the electromagnetic coil 2 can be reduced, the service life of the electromagnetic coil 2 is improved.

As shown in fig. 7, 8, 9, 10, 11, 12 and 13, a scale removing device is embedded in the heating chamber 412, the scale removing device is specifically made of a spiral rod 42, the diameter of the spiral rod 42 is 5-50mm, and a spiral protrusion 43 is arranged on the outer wall of the spiral rod 42. One end of the scale removing device is provided with a fixed shaft sleeve 46, one end of the spiral rod 42 is provided with a rotating shaft 44, and the fixed shaft sleeve 46 is arranged on the rotating shaft 44. Left silica gel seal cover 14 and right silica gel seal cover 15 are installed respectively to the left and right sides of inlayer body 3, wherein both ends are embedded respectively in left silica gel seal cover 14 about outer body 1, in the outer hole of right silica gel seal cover 15, left silica gel seal cover 14 and right silica gel seal cover 15 can carry out the sealing connection to inlayer body 3, be provided with left draw-in groove 47 and right draw-in groove 48 on the outer wall at both ends about heating tube 1 respectively in addition, the hole of left silica gel seal cover 14 and right silica gel seal cover 15 joint respectively on left draw-in groove 47 and right draw-in groove 48.

When cold water enters the heating cavity 412 from the heating tube 41, the cold water flows along the spiral rod 42, so that the spiral rod 42 is driven to rotate rapidly, the spiral rod 42 and the inner wall of the heating cavity 412 rub against each other in the rotating process, so that scale adhered to the inner wall of the heating cavity 412 is ground under the action of the friction force and then washed away under the action of water flow, and the scale on the inner wall of the heating tube 41 can be removed well.

As shown in fig. 1 and 2, a heat absorbing pipe 20 is connected to the top cover 5, the heat absorbing pipe 20 is installed on a heat dissipating plate 18, a plurality of circular pipe holes 19 are formed in the heat dissipating plate 18, the heat absorbing pipe 20 is embedded in the circular pipe holes 19, and two sections of corrugated pipes 21 are respectively arranged at two ends of the heat absorbing pipe 20. Because the heat absorbing pipe 20 is embedded in the circular pipe hole 19, the heat absorbing pipe 20 is in 360-degree contact with the heat radiating plate 18, and in the prior art, the heat absorbing pipe 20 is in 180-degree contact with the heat radiating plate 18, so that the contact area is larger, and the waste heat absorbing speed is higher.

Example [ (two ]

As shown in fig. 11 and 14, this embodiment is substantially the same as that in the embodiment, the only difference is that the scale removing device is made of a rotating rod 413, the diameter of the rotating rod 413 is 2-10mm, and the outer wall of the rotating rod 413 is provided with a spiral fin 414. Cold water flows along the rotating rod 413, so that the rotating rod 413 is driven to rotate at a high speed, the rotating rod 413 can throw the cold water down to the inner wall of the heating cavity 412 under the action of centrifugal force in the rotating process, and the water flow can repeatedly wash the inner wall of the heating cavity 412, so that scale on the inner wall of the heating tube 41 can be better removed.

Example [ (three) ]

As shown in FIGS. 11 and 15, this embodiment is substantially the same as that of the embodiment, the only difference being that the scale removing apparatus is made up of a single rotary shaft 5 and a plurality of segmented blades 9 provided on the rotary shaft 5, with gaps 10 provided between the adjacent segmented blades 9. The cold water can flow along rotation axis 5 and sectional type blade 9 to drive sectional type blade 9 and rotate at a high speed, and sectional type blade 9 can be at the rotation in-process and throw the inner wall that falls heating cavity 12 with cold water down under the effect of centrifugal force, and rivers will wash the inner wall of heating cavity 12 repeatedly, just so can be better remove the incrustation scale on the inner wall of heating tube 1.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, only for convenience of description and simplification of description, but not for indicating or implying that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

It should be noted that the utility model discloses the standard parts that use all can purchase from the market, and dysmorphism piece all can be customized according to the description of description and the record of attached drawing, and the concrete connected mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt conventional model among the prior art, and the utility model people no longer detailed here.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims (9)

1. The utility model provides a heating device to waste heat utilization rate is higher, including the part that generates heat, the part that generates heat including outer body (1) and winding solenoid (2) on the outer wall of outer body (1), bottom (8) and top cap (5), its characterized in that are installed respectively to both ends about outer body (1): an inner-layer pipe body (3) is arranged in the outer-layer pipe body (1), a cold water inflow channel (13) is arranged between the outer-layer pipe body (1) and the inner-layer pipe body (3), the heating descaling device (4) is arranged in the inner-layer tube body (3), the heating descaling device (4) comprises a heating tube (41) and a heating cavity (412) arranged in the heating tube (41), a scale removing device is embedded in the heating cavity (412), a fixed shaft sleeve (46) is arranged at one end of the scale removing device, the top cover (5) is connected with a heat absorption pipe (20), the heat absorption pipe (20) is arranged on a heat dissipation plate (18), a plurality of round pipe holes (19) are arranged on the heat dissipation plate (18), the heat absorption pipe (20) is embedded in the round pipe holes (19), two ends of the heat absorption pipe (20) are respectively provided with a section of corrugated pipe (21).

2. The heating device with higher utilization rate of waste heat as claimed in claim 1, wherein: the scale removal device is specifically made of a spiral rod (42), the diameter of the spiral rod (42) is 5-50mm, and spiral protrusions (43) are arranged on the outer wall of the spiral rod (42).

3. The heating device with higher utilization rate of waste heat as claimed in claim 1, wherein: the descaling device is specifically made of a rotating rod (413), the diameter of the rotating rod (413) is 2-10mm, and spiral fins (414) are arranged on the outer wall of the rotating rod (413).

4. The heating device with higher utilization rate of waste heat as claimed in claim 1, wherein: the descaling device is made of a rotating shaft (45) and a plurality of sectional blades (49) arranged on the rotating shaft (45), and gaps (410) are arranged between adjacent sectional blades (49).

5. The heating device with higher utilization rate of the waste heat as claimed in claim 2, characterized in that: one end of the spiral rod (42) is provided with a rotating shaft (44), and the fixed shaft sleeves (46) are respectively arranged on the rotating shaft (44).

6. The heating device with higher utilization rate of waste heat as claimed in claim 1, wherein: left silica gel seal cover (14) and right silica gel seal cover (15) are installed respectively to the left and right sides of inlayer body (3), both ends are embedded respectively about inlayer body (3) in the outer hole of left silica gel seal cover (14), right silica gel seal cover (15), fixed axle sleeve (46) embedding is in wherein one end of heating tube (41).

7. The heating device with higher utilization rate of waste heat as claimed in claim 1, wherein: and a second sealing ring (9) is arranged in the bottom cover (8), and the bottom cover (8) is fixed on the heating tube (41) through a fastening bolt (10).

8. The heating device with higher utilization rate of waste heat as claimed in claim 1, wherein: the inside mounting of top cap (5) has first sealing washer (6), water inlet (11) and delivery port (12) have been seted up on top cap (5) respectively, install first temperature sensor (16) and second temperature sensor (17) on water inlet (11) and delivery port (12) respectively.

9. The heating device with higher utilization rate of waste heat as claimed in claim 1, wherein: and a water resistance sensor (7) is arranged in the bottom cover (8).

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