CN100441976C - Impeller built-in heater capable of preventing air door of fan from freezing - Google Patents
Impeller built-in heater capable of preventing air door of fan from freezing Download PDFInfo
- Publication number
- CN100441976C CN100441976C CNB200610041702XA CN200610041702A CN100441976C CN 100441976 C CN100441976 C CN 100441976C CN B200610041702X A CNB200610041702X A CN B200610041702XA CN 200610041702 A CN200610041702 A CN 200610041702A CN 100441976 C CN100441976 C CN 100441976C
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- China
- Prior art keywords
- fan
- air door
- heating cavity
- air
- impeller
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Abstract
The present invention discloses an impeller built-in heater for preventing an air door of a fan from freezing, which is characterized in that the heater is attached on the fan air door, and the heater comprises a heating cavity, a rotary impeller and a driving motor, wherein the rotary impeller is positioned in the heating cavity and is connected with the driving motor which is placed in the interior or at the exterior of the heating cavity, and the rotary impeller is driven by the driving motor to stir air in the heating cavity for heating the air door of the fan. The heating cavity is attached on the air door of the fan and can be made into any shapes according to the requirements to ensure that the heated air is used for heating steam in an air door channel for preventing ice formation. The rotary impeller converts mechanical energy transferred by the motor into heat energy of the air in the cavity to maintain and raise the temperature of the air in the heating cavity. The impeller built-in heater has the advantages of simple structure, less investment, convenient installation and safe use. A boiler and corresponding pipeline systems are not required, and an impeller is directly driven by the driving motor to rotate.
Description
Technical field
The invention belongs to fluid machinery and fluid engineering field, be particularly related to a kind of impeller built-in heater that air door of fan freezes that prevents of Fan pipeline upper wind door use, this heater can avoid using boiler heating and electric furnace heating, convert electrical energy into heat energy by impeller, capital expenditure is little, safe and reliable to operation, and be convenient to Long-distance Control.
Background technology
In many large fans application scenario, in order to guarantee the safe and reliable operation of ventilating system, two ventilation blowers are installed at least generally, one opens one is equipped with, as the main fan of mine ventilation system use.In order to satisfy system's operation needs, ventilating system need be equipped with corresponding air door; During such as many typhoons machine parallel operation,, often need to be equipped with corresponding air door for every typhoon machine for safety is started every typhoon machine smoothly.When ventilating system need be changed, air door of fan should in time successfully be opened, but, in the northern area of China, winter, temperature was very low, when air door of fan is in closed condition for a long time, the contained steam of air in the ventilation shaft can condense gradually, at leisure air door of fan and ventilation shaft are freezed together, this is definitely unallowed for many ventilating systems, especially the ventilation blower that uses at high fiery colliery, require ventilating system to guarantee uninterrupted safe operation, be in particularly that the blower fan of normal operation breaks down in emergency circumstances or when being badly in need of the inverted ventilation operation, the air door of ventilating system must in time be opened, to guarantee the safety in production in colliery.
In many blower fan use occasions that contain damp such as collieries, do not allow to use Electric heating to prevent freezing of air door of fan, therefore, the common method that the prevention air door of fan is freezed is at present, guarantee that by the air door bottom on the ventilation blower pipeline being installed include the cavity of caliduct or add a cover antifreeze chamber the air door that is in closed condition does not freeze, but, the fabricating yard of many blower fans is away from the boiler zone is arranged, sometimes also lack the water source, in this case, by the method that the air door that uses boiler water back fan heats, often need set up a miniature boiler system and water supply line specially, need bigger investment and very inconvenient.
Summary of the invention
Prevent icing heater of freezing to death in order to solve above-mentioned Fan pipeline air door, the objective of the invention is to, propose a kind of impeller built-in heater that prevents that air door of fan from freezing.
To achieve these goals, the technical scheme that the present invention takes is, a kind of impeller built-in heater that prevents that air door of fan from freezing, it is characterized in that this installs attached on the air door of fan, it is made up of heating cavity, rotary blade and drive motors, rotary blade is positioned at heating cavity, rotary blade is connected with drive motors, and drive motors is positioned over the inside or the outside of heating cavity, by the air fan air door heating in the drive motors driven rotary impeller rotation agitating heating cavity.
The present invention compares with prior art, has outstanding substantive distinguishing features and marked improvement.Principle of the present invention is, vortex and fricting movement by gas, the impeller rotating mechanical energy is converted to the heat energy of the air in the heating cavity, compare with prior art, the heating and heat-insulating device of air door of fan was all realized by boiler tubing in the past, in many use occasions, the especially occasion of Keep away from boiler device, its use is very inconvenient, investment is also very big.Prevent the impeller built-in heater that air door of fan freezes and the present invention proposes, structure is very simple, invests very for a short time, uses as safe as a house.The scheme that the present invention proposes does not need boiler and corresponding pipe-line system, only impeller directly need be got final product by the motor-driven rotation, and is easy for installation simple and direct; And along with the air themperature of heating rises, the energy of electrical consumption begins to reduce, and air themperature can be not too high; When day temperature is higher, thereby the rotary speed that can adopt variable-frequency motor to reduce impeller reduces energy consumption.When being applied to have the damp occasion, as long as drive motors is changed to fire-proof motor, rotary blade and heating cavity get final product according to the requirement of explosion proof manufacturing, and as the colliery industry, rotary blade can adopt steel, and the copper coin material gets final product and inside cavity serves as a contrast upward.
Description of drawings
Fig. 1 is the impeller built-in heater structural representation sketch that prevents that air door of fan from freezing, and the label among the figure is: 1. heating cavity, 2. rotary blade, 3. drive motors.
Fig. 2 is a kind of mounting means of impeller built-in heater on air door of fan that prevents that air door of fan from freezing of the present invention, and for clarity sake, the drive motors that will be positioned at the rotary blade back omits not to be drawn.
The present invention is described in further detail below in conjunction with accompanying drawing and operation principle.
The specific embodiment
Referring to Fig. 1, prevent the impeller built-in heater that air door of fan freezes, this device is made up of heating cavity 1, rotary blade 2 and drive motors 3, rotary blade 2 is positioned at heating cavity 1, rotary blade 2 is connected with drive motors 3, drive motors 3 is positioned over the inside or the outside of heating cavity 1, by the air fan air door heating in the drive motors 3 driven rotary impellers 2 rotation agitating heating cavitys 1.
What Fig. 2 showed is a kind of mounting means of this heater on air door of fan, and concrete mounting means need be changed according to actual conditions, and heating cavity can be made Any shape on demand, such as the shape of making antifreeze chamber, whole air door is wrapped.
Operation principle of the present invention is, in Fig. 1, when drive motors 3 rotates, drive rotary blade 2 and rotate, thereby to the air work done in the heating cavity 1, because the air in this heating cavity 1 is airtight in actual use substantially, therefore, drive motors 3 drives vortex motion and the friction of 2 works of rotary blade by air-flow itself, finally all will be changed to the heat energy of air in the heating cavity 1, thereby the air themperature in the heating cavity 1 is raise.
As shown in Figure 2, when rotary blade 2 rotated, the air in the heating cavity 1 was mixed fully and is flowed, and temperature rises, by with the heat exchange of air door of fan 200, can guarantee that the condensate water on the gate is icing.Because the air in the heating cavity 1 obtains heating, air can expand, therefore, can on heating cavity 1, drive pore and steam vent 201 into, to guarantee the pressure and the ambient pressure balance of heating cavity 1, also can make simultaneously air and outside air in the heating cavity 1 that certain circulation is arranged, thereby can discharge damp, the damp composition of air in the heating cavity 1 is remained in the safety margin.The bottom of heating cavity 1 is provided with osculum 202, the moisture that condenses in the Fan pipeline can be got rid of.In the coalmine ventilation industry, issuable friction between the metal material of requirement rotary blade 2 and heating cavity 1 must assurance not go out spark, therefore the material of rotary blade 2 can be adopted iron and steel, and at the inner lining of heating cavity copper coin material, avoid the metal friction of contingency to cause the possibility of spark, thereby satisfy the safety production rules requirement.
The present invention transfers in airtight cavity inward turning by 500KW motor-driven impeller and to add hot fluid in implementation process, and impeller has been done running experiment under the high temperature 500 degree conditions, has proved that device of the present invention is feasible.This experimental technique is similarly tested in the many Experiment of Thermophysics courses of community of physicists.
Claims (4)
1. impeller built-in heater that prevents that air door of fan from freezing, it is characterized in that, this device is made up of heating cavity (1), rotary blade (2) and drive motors (3), rotary blade (2) is positioned at heating cavity (1), rotary blade (2) is connected on the drive motors (3), drive motors (3) is positioned over the inside or the outside of heating cavity (1), by the heating of the air fan air door in drive motors (3) driven rotary impeller (2) the rotation agitating heating cavity (1).
2. the impeller built-in heater that prevents that air door of fan from freezing as claimed in claim 1, it is characterized in that described heating cavity (1) bottom has osculum, air admission hole and steam vent are arranged at top, be lined with explosion-proof lamp on the inwall of cavity, there is heat-insulation layer the outside.
3. the impeller built-in heater that prevents that air door of fan from freezing as claimed in claim 1 is characterized in that, described motor (3) is common electric machine or fire-proof motor.
4. the impeller built-in heater that prevents that air door of fan from freezing as claimed in claim 3 is characterized in that, described common electric machine or fire-proof motor are frequency conversion or variable-frequency motor not.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610041702XA CN100441976C (en) | 2006-01-19 | 2006-01-19 | Impeller built-in heater capable of preventing air door of fan from freezing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610041702XA CN100441976C (en) | 2006-01-19 | 2006-01-19 | Impeller built-in heater capable of preventing air door of fan from freezing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1804497A CN1804497A (en) | 2006-07-19 |
| CN100441976C true CN100441976C (en) | 2008-12-10 |
Family
ID=36866604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200610041702XA Expired - Fee Related CN100441976C (en) | 2006-01-19 | 2006-01-19 | Impeller built-in heater capable of preventing air door of fan from freezing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100441976C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7937943B2 (en) * | 2006-12-22 | 2011-05-10 | Yiding Cao | Heat engines |
| CN103363699B (en) * | 2013-07-05 | 2015-01-21 | 西安交通大学 | Gas clashing type heating device and heating method |
| CN110410285A (en) * | 2019-07-12 | 2019-11-05 | 湖南城市学院 | Intelligent anti-freezing wind power generation plant |
| DE202020101263U1 (en) * | 2020-03-06 | 2020-03-18 | Konvekta Aktiengesellschaft | Improved air treatment system and fan unit |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1219822A1 (en) * | 1984-09-03 | 1986-03-23 | Институт технической теплофизики АН УССР | Method of protecting the duct of mine ventilation unit from freezing |
| CN2491753Y (en) * | 2001-07-05 | 2002-05-15 | 廖湘军 | Dust proof/cold proof air cooler |
| CN2497213Y (en) * | 2001-08-17 | 2002-06-26 | 张良亭 | Air conditioner pipe bundle freeze-proofing apparatus |
| EP1403589A1 (en) * | 2002-09-30 | 2004-03-31 | BSH Bosch und Siemens Hausgeräte GmbH | Air-conditioning device |
-
2006
- 2006-01-19 CN CNB200610041702XA patent/CN100441976C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1219822A1 (en) * | 1984-09-03 | 1986-03-23 | Институт технической теплофизики АН УССР | Method of protecting the duct of mine ventilation unit from freezing |
| CN2491753Y (en) * | 2001-07-05 | 2002-05-15 | 廖湘军 | Dust proof/cold proof air cooler |
| CN2497213Y (en) * | 2001-08-17 | 2002-06-26 | 张良亭 | Air conditioner pipe bundle freeze-proofing apparatus |
| EP1403589A1 (en) * | 2002-09-30 | 2004-03-31 | BSH Bosch und Siemens Hausgeräte GmbH | Air-conditioning device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1804497A (en) | 2006-07-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangsu Jintongling Blower Co., Ltd. Assignor: Xi'an Jiaotong University Contract fulfillment period: 2008.12.20 to 2013.12.19 contract change Contract record no.: 2009320001422 Denomination of invention: Impeller built-in heater capable of preventing air door of fan from freezing Granted publication date: 20081210 License type: Exclusive license Record date: 2009.8.7 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.12.20 TO 2013.12.19; CHANGE OF CONTRACT Name of requester: JIANGSU JINTONGLING FAN CO., LTD. Effective date: 20090807 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081210 Termination date: 20120119 |