CN215521388U - Air inlet device of draught fan - Google Patents
Air inlet device of draught fan Download PDFInfo
- Publication number
- CN215521388U CN215521388U CN202120529652.XU CN202120529652U CN215521388U CN 215521388 U CN215521388 U CN 215521388U CN 202120529652 U CN202120529652 U CN 202120529652U CN 215521388 U CN215521388 U CN 215521388U
- Authority
- CN
- China
- Prior art keywords
- air inlet
- heating
- fan
- air outlet
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000010438 heat treatment Methods 0.000 claims abstract description 61
- 239000003245 coal Substances 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 6
- 239000007769 metal material Substances 0.000 claims description 3
- 239000002912 waste gas Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Landscapes
- Housings, Intake/Discharge, And Installation Of Fluid Heaters (AREA)
Abstract
The utility model provides an air inlet device of an induced draft fan, which comprises a fan, wherein an air inlet is formed in the end face of one end of the fan, an air outlet is formed in the end face of the other end of the fan, the air inlet is connected with an air inlet pipe, a heating air outlet is formed in one end of the air inlet pipe and is connected with a heating air outlet, the heating air outlet is formed in the end face of a heating box, a heating air inlet is formed in the top of the heating box, a filter screen is arranged on the inner wall of the heating air inlet, and the fan is electrically connected with a control device; through setting up the heating cabinet, can heat the air, prevent when introducing the air that partial heat will be taken away to the air, increased the loss.
Description
Technical Field
The utility model relates to an air inlet device, in particular to an air inlet device of a draught fan.
Background
The induced draft fan is a device which generates negative pressure through the rotation of an impeller and further extracts air from a system (device), and is widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and draught of boilers and industrial furnaces; cooling and ventilation among air conditioning equipment and the domestic appliance equipment, the draught fan of current coal burner is usually directly squeezed into the air in the coal burner, because the temperature of air is lower, leads to when introducing the air, and partial heat will be taken away to the air, has increased the loss.
SUMMERY OF THE UTILITY MODEL
The utility model provides an air inlet device of an induced draft fan, which solves the problems that the induced draft fan of the existing coal burner generally directly drives air into the coal burner, and the air temperature is low, so that partial heat is taken away by the air when the air is introduced, and the loss is increased.
In order to solve the technical problems, the utility model provides the following technical scheme:
the utility model provides an air inlet device of an induced draft fan, which comprises a fan, wherein an air inlet is formed in the end face of one end of the fan, an air outlet is formed in the end face of the other end of the fan, the air inlet is connected with an air inlet pipe, a heating air outlet is formed in one end of the air inlet pipe and is connected with a heating air outlet, the heating air outlet is formed in the end face of a heating box, a heating air inlet is formed in the top of the heating box, a filter screen is arranged on the inner wall of the heating air inlet, and the fan is electrically connected with a control device.
Preferably, the heating box is internally provided with a heating plate, a lower air inlet is arranged between the heating plate and the bottom of the heating box, the lower air inlet is connected with a waste gas port of a high coal burner through a pipeline, a lower air outlet is arranged on the end face of the heating box, the lower air outlet is connected with a processing device through a pipeline, and the lower air outlet is arranged below the heating plate.
Preferably, the inner wall of the heating box above the heating plate is provided with an electric heater, and the electric heater is electrically connected with the control device.
Preferably, the heating air outlet is positioned above the heating plate and is connected with an air outlet electromagnetic valve, and the air outlet electromagnetic valve is electrically connected with the control device.
Preferably, the lower air outlet is connected with a second air outlet electromagnetic valve, and the second air outlet electromagnetic valve is electrically connected with the control device.
Preferably, the heating plate is made of metal materials.
Through the technical scheme, the utility model has the beneficial effects that: through setting up the heating cabinet, can heat the air, prevent when introducing the air that partial heat will be taken away to the air, increased the loss.
Drawings
FIG. 1 is a schematic diagram of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
According to the air inlet device of the draught fan shown in the figure, the air inlet device comprises a fan 10, an air inlet 11 is arranged on one end face of the fan 10, an air outlet 12 is arranged on the other end face of the fan 10, the air inlet 11 is connected with an air inlet pipe 9, one end of the air inlet pipe 9 is connected with a heating air outlet 7, the heating air outlet 7 is arranged on the end face of a heating box 1, a heating air inlet 5 is arranged at the top of the heating box 1, a filter screen 6 is arranged on the inner wall of the heating air inlet 5, the fan 1 is electrically connected with a control device, a heating plate 2 is arranged inside the heating box 1, a lower air inlet 3 is arranged between the heating plate 2 and the bottom of the heating box 1, the lower air inlet 3 is connected with a waste gas port of a high-coal-fired machine through a pipeline, a lower air outlet 4 is arranged on the end face of the heating box 1, the lower air outlet 4 is connected with a processing device through a pipeline, and the lower air outlet 4 is arranged below the heating plate 2, be equipped with electric heater 13 on 2 top heating chambers of hot plate 1 inner walls, electric heater 13 passes through electric connection controlling means, heating gas outlet 7 is located hot plate 2 tops, heating gas outlet 7 is connected the solenoid valve 8 of giving vent to anger, solenoid valve 8 of giving vent to anger is through electric connection controlling means, second solenoid valve 13 of giving vent to anger is connected to gas outlet 4 down, solenoid valve 13 of giving vent to anger of second passes through electric connection controlling means, hot plate 2 adopts the metal material to make.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (6)
1. The utility model provides an air inlet unit of draught fan, includes the fan, its characterized in that: the utility model discloses a fan, including fan, air inlet pipe, heating case, heating air inlet, fan one end terminal surface is equipped with the air inlet, fan other end terminal surface is equipped with the gas outlet, the air inlet links to each other with the intake pipe, intake pipe one end links to each other with the heating gas outlet, the heating gas outlet is established at the heating case terminal surface, the heating case top is equipped with the heating air inlet, be equipped with the filter screen on the heating air inlet inner wall, fan electric connection controlling means.
2. The air inlet device of the induced draft fan according to claim 1, wherein: the heating box is internally provided with a heating plate, a lower air inlet is arranged between the heating plate and the bottom of the heating box, the lower air inlet is connected with a waste gas port of a high coal burner through a pipeline, a lower air outlet is arranged on the end face of the heating box, the lower air outlet is connected with a processing device through a pipeline, and the lower air outlet is arranged below the heating plate.
3. The air inlet device of the induced draft fan according to claim 2, wherein: and an electric heater is arranged on the inner wall of the heating box above the heating plate and is electrically connected with the control device.
4. The air inlet device of the induced draft fan according to claim 1, wherein: the heating air outlet is positioned above the heating plate and is connected with an air outlet electromagnetic valve, and the air outlet electromagnetic valve is electrically connected with the control device.
5. The air inlet device of the induced draft fan according to claim 2, wherein: the lower air outlet is connected with a second air outlet electromagnetic valve, and the second air outlet electromagnetic valve is electrically connected with the control device.
6. The air inlet device of the induced draft fan according to claim 2, wherein: the heating plate is made of metal materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120529652.XU CN215521388U (en) | 2021-03-11 | 2021-03-11 | Air inlet device of draught fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120529652.XU CN215521388U (en) | 2021-03-11 | 2021-03-11 | Air inlet device of draught fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215521388U true CN215521388U (en) | 2022-01-14 |
Family
ID=79800318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120529652.XU Expired - Fee Related CN215521388U (en) | 2021-03-11 | 2021-03-11 | Air inlet device of draught fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215521388U (en) |
-
2021
- 2021-03-11 CN CN202120529652.XU patent/CN215521388U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106152486A (en) | A kind of energy-saving combustion unattended boiler | |
| CN215521388U (en) | Air inlet device of draught fan | |
| CN110860378A (en) | Hot air blowing system for electric dust remover | |
| CN207187372U (en) | Sack cleaner anti-condensation automaton | |
| CN203310092U (en) | Efficient heat energy recovery unit for waste heat in flue gas of water boiler | |
| CN216111376U (en) | Novel efficient energy-saving fan | |
| CN201751402U (en) | Residual-heat utilization device of float glass annealing kiln | |
| CN202119278U (en) | Full-automatic rotating timed soot-blowing and scale-blowing energy saver | |
| CN211823146U (en) | Air conditioner | |
| CN216244395U (en) | Device for recovering low-pressure steam waste heat | |
| CN210773502U (en) | Natural gas tapping furnace with waste heat utilization function | |
| CN211587067U (en) | Hot air blowing system for electric dust remover | |
| CN206847066U (en) | A kind of dual-purpose electric boiler of directly-heated accumulation of heat | |
| CN219222818U (en) | Wall-mounted furnace with coupling tank heat exchange circuit | |
| CN213841811U (en) | Kiln flue gas waste heat recycling device | |
| CN205528854U (en) | Air cycle heating device of oven | |
| CN215930540U (en) | Energy-saving emission-reducing heating furnace | |
| CN2816670Y (en) | Water heater capable insulating high-temperature air | |
| CN216550179U (en) | Gas equipment for baking calcium carbonate at high temperature | |
| CN211119865U (en) | Energy-saving fume hood | |
| CN217678146U (en) | Forming machine with centralized heating device | |
| CN216204313U (en) | Energy-saving hot blast stove based on complementary energy cyclic utilization and control device | |
| CN219318976U (en) | Novel heat energy center of many heat source conversion | |
| CN214746192U (en) | Building heating ventilation air conditioner energy-saving automatic control device | |
| CN217763897U (en) | Gas heating water heater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220114 |