CN201662231U - Eddy current generator of direct heating type liquid heater - Google Patents
Eddy current generator of direct heating type liquid heater Download PDFInfo
- Publication number
- CN201662231U CN201662231U CN2010201159313U CN201020115931U CN201662231U CN 201662231 U CN201662231 U CN 201662231U CN 2010201159313 U CN2010201159313 U CN 2010201159313U CN 201020115931 U CN201020115931 U CN 201020115931U CN 201662231 U CN201662231 U CN 201662231U
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- blade
- type liquid
- liquid heater
- liquid
- central shaft
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Abstract
The utility model relates to an eddy current generator of a direct heating type liquid heater, which comprises a center shaft, wherein at least two blades are fixed on the circumference of the center shaft in the radial direction, the blades are uniformly distributed by using the shaft core of the center shaft as a center, and each blade is installed at an inclined angle with respect to the shaft core of the center shaft. When the eddy current generator of the direct heating type liquid heater is used, liquid flows flowing through the upper surfaces of the blades generate rotation flowing, so the liquid flows are in contact with the inner wall of a heating pipe along spiral trajectories, the utility model is favorable for the sufficient heat exchange occurring between the liquid and the pipe wall of the heating pipe, improves the heat transfer efficiency, protects a heat generating pipe, and prolongs the service life of the heat generating pipe.
Description
Technical field:
The utility model relates to directly-heated type liquid heater technical field, the particularly vortex generating means of directly-heated type liquid heater.
Background technology:
The directly-heated type liquid heater is to utilize plating to produce heat in the heating film on heat-generating pipe surface, the device that the liquid in the heat-generating pipe pipeline of flowing through is heated.During the work of this directly-heated type liquid heater, liquid flows through heat-generating pipe, and the duct wall of high temperature contact with heating, thus generation heat exchange and being heated.
Existing directly-heated type liquid heater, when liquid flows through heat-generating pipe, often because of retention has bubble, or the steam that produces because of heated liquid is formed with bubble in the liquid, and these bubbles are attached to the heat-generating pipe inwall, liquid barrier contacts with tube wall, thereby reduce the heat transfer efficiency between heating tube and liquid, simultaneously, the heat-generating pipe tube wall that bubble adheres to the place forms " dry combustion method " phenomenon in the heating process, the easy burn-out heating tube, the service life of reducing heating tube.And, in the use, often since liquid when entering heating tube hydraulic pressure big and flow velocity is too fast, or flow velocity is unbalanced, can't be fully and heating tube generation heat exchange, also reduced the efficiency of heating surface of liquid.
The utility model content:
The purpose of this utility model is to provide at the deficiencies in the prior art the vortex generating means in a kind of heat transfer efficiency that improves the directly-heated type liquid heater and heat-generating pipe service life.
The purpose of this utility model realizes by following technical measures:
The vortex generating means of directly-heated type liquid heater, comprise a central shaft, described central shaft periphery radially is fixed with at least two blade, and described blade is that the center evenly distributes with described central shaft axle center, and every blade is the oblique angle with respect to described central shaft axle center and installs.
Further technical scheme of the present utility model comprises:
Wherein, the upper surface of described blade is the plane.
Or the upper surface of described blade is a helicoid.
According to above-described, be connected to a ring inwall in the bottom outer rim of described blade.
Further, described central shaft outer rim evenly is provided with four blades.
Wherein, the lower end of every blade extends to the below of adjacent blades upper end.
The utility model beneficial effect is: the vortex generating means of this directly-heated type liquid heater comprises a central shaft, described central shaft periphery radially is fixed with at least two blade, described blade is that the center evenly distributes with described central shaft axle center, and every blade is the oblique angle with respect to described central shaft axle center and installs; The utility model is fixedly installed in liquid inlet one end in the heat-generating pipe; in the use; liquid flows into from the heat-generating pipe end that enters the mouth; the obliquely flow along the blade upper surface is given birth in the liquid miscarriage of blade upper surface of flowing through; constraint at the heat-generating pipe duct wall; and under the acting in conjunction of liquid gravity; the obliquely flow of this liquid forms eddy current; thereby liquid stream is contacted with the heating tube inwall with helical trajectory; help the abundant and heating tube tube wall generation heat exchange of liquid; improve heat transfer efficiency, help discharging the bubble that is attached to duct wall simultaneously, the protection heat-generating pipe; prolong heat-generating pipe service life; and because the stopping of blade, the flow velocity that liquid enters heat-generating pipe descends, can be fully and heating tube generation heat exchange.
Description of drawings:
The utility model is described in further detail to utilize accompanying drawing, but the embodiment in the accompanying drawing does not constitute any restriction of the present utility model.
Fig. 1 is the structural representation of a kind of directly-heated type liquid heater of the present utility model;
Fig. 2 is the vertical view of a kind of directly-heated type liquid heater of the present utility model;
Fig. 3 is the front view of a kind of directly-heated type liquid heater of the present utility model.
Comprise among Fig. 1, Fig. 2 and Fig. 3:
1---central shaft 2---blade 21---blade upper surface
3---ring
The specific embodiment:
Below in conjunction with accompanying drawing the utility model is further described, sees Fig. 1, Fig. 2, shown in Figure 3, this is preferred embodiment of the present utility model:
The vortex generating means of directly-heated type liquid heater, comprise a central shaft 1, described central shaft 1 periphery radially is fixed with at least two blade 2, and described blade 2 is that the center evenly distributes with described central shaft 1 axle center, and every blade 2 is the oblique angle with respect to described central shaft 1 axle center and installs.
The utility model is fixedly installed in liquid inlet one end in the heat-generating pipe; described central shaft 1 is fixed in the heat-generating pipe end; in the use; liquid flows into from the heat-generating pipe end that enters the mouth; the liquid miscarriage of upper surface 21 of blade 2 of flowing through is given birth to along the obliquely flow of the upper surface 21 of blade 2; constraint at the heat-generating pipe duct wall; and under the acting in conjunction of liquid gravity; the obliquely flow of this liquid forms eddy current; thereby liquid stream is contacted with the heating tube inwall with helical trajectory, help the abundant and heating tube tube wall generation heat exchange of liquid, improve heat transfer efficiency; help discharging the bubble that is attached to duct wall simultaneously; the protection heat-generating pipe prolongs heat-generating pipe service life, and because the stopping of blade 2; the flow velocity that liquid enters heat-generating pipe descends, can be fully and heating tube generation heat exchange.
Especially in the vertical directly-heated type liquid heater that is provided with of heat-generating pipe, the utility model is installed in the upper end in the heat-generating pipe that liquid flows into from the heat-generating pipe upper end, liquid flow through described blade 2 upper surface 21 guiding and form the eddy current of rotational flow, avoid liquid linear to fall, improved heated liquid uniformity and heat transfer efficiency.
The lower end of every blade 2 extends to the below of adjacent blades upper end.When having guaranteed that like this liquid is flowed through blade 2, all need to flow through, avoid the partially liq straight line to fall, strengthened result of use of the present utility model from the upper surface 21 of blade 2.
Wherein, the upper surface 21 of described blade 2 is the plane.Blade 2 processing of this structure are easy, help cutting down finished cost.
Certainly, the upper surface 21 of described blade 2 also can be helicoid.The blade 2 of this structure helps strengthening the eddy current effect of liquid stream, improves result of use.
Wherein, be connected to a ring 3 inwalls in the bottom outer rim of described blade 2.Described ring 3 outer rims and heat-generating pipe inwall are complementary, like this, the utility model is fixed in the heat-generating pipe by described ring 3, because described blade 2 inner edges are fixed in central shaft 1, liquid stream washes away blade 2 in the use, the power that acts on the upper surface 21 of blade 2 forms the moment of blade 2 with central shaft 1 seam crossing, this moment easily causes blade 2 to produce fatigue crack at described seam crossing, reduce service life, described ring 3 is affixed with all blades 2, help the active force of dispersion liquid stream, make blade 2 stress equalizations, improved service life of the present utility model blade 2.
See shown in Figure 1ly, central shaft 1 outer rim described in the utility model evenly is provided with four blades 2.
Should be noted that at last; above embodiment is only in order to the explanation the technical solution of the utility model; but not to the restriction of the utility model protection domain; although the utility model has been done to explain with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement the technical solution of the utility model, and not break away from the essence and the scope of technical solutions of the utility model.
Claims (6)
1. the vortex generating means of directly-heated type liquid heater, it is characterized in that: it comprises a central shaft, described central shaft periphery radially is fixed with at least two blade, and described blade is that the center evenly distributes with described central shaft axle center, and every blade is the oblique angle with respect to described central shaft axle center and installs.
2. the vortex generating means of directly-heated type liquid heater according to claim 1 is characterized in that: the upper surface of described blade is a helicoid.
3. the vortex generating means of directly-heated type liquid heater according to claim 1 is characterized in that: the upper surface of described blade is the plane.
4. according to the vortex generating means of any described directly-heated type liquid heater of claim 1～3, it is characterized in that: be connected to a ring inwall in the bottom outer rim of described blade.
5. the vortex generating means of directly-heated type liquid heater according to claim 4 is characterized in that: described central shaft outer rim evenly is provided with four blades.
6. the vortex generating means of directly-heated type liquid heater according to claim 5 is characterized in that: the lower end of every blade extends to the below of adjacent blades upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201159313U CN201662231U (en) | 2010-02-08 | 2010-02-08 | Eddy current generator of direct heating type liquid heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201159313U CN201662231U (en) | 2010-02-08 | 2010-02-08 | Eddy current generator of direct heating type liquid heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201662231U true CN201662231U (en) | 2010-12-01 |
Family
ID=43232649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201159313U Expired - Fee Related CN201662231U (en) | 2010-02-08 | 2010-02-08 | Eddy current generator of direct heating type liquid heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201662231U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105328978A (en) * | 2015-11-27 | 2016-02-17 | 佛山市南海区三简包装有限公司 | Strengthening heat transfer type die pressing printing roller |
| CN107327905A (en) * | 2017-08-24 | 2017-11-07 | 庄惠章 | A kind of heater of electromagnetism water heating type heating system |
| CN110068238A (en) * | 2019-03-26 | 2019-07-30 | 华北电力大学 | Pool boiling rotating jet heat-exchanger rig |
-
2010
- 2010-02-08 CN CN2010201159313U patent/CN201662231U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105328978A (en) * | 2015-11-27 | 2016-02-17 | 佛山市南海区三简包装有限公司 | Strengthening heat transfer type die pressing printing roller |
| CN107327905A (en) * | 2017-08-24 | 2017-11-07 | 庄惠章 | A kind of heater of electromagnetism water heating type heating system |
| CN110068238A (en) * | 2019-03-26 | 2019-07-30 | 华北电力大学 | Pool boiling rotating jet heat-exchanger rig |
| CN110068238B (en) * | 2019-03-26 | 2020-10-13 | 华北电力大学 | Pool boiling rotary jet heat exchanger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101201 Termination date: 20140208 |