CN203880934U - Air heating unit - Google Patents
Air heating unit Download PDFInfo
- Publication number
- CN203880934U CN203880934U CN201420314582.6U CN201420314582U CN203880934U CN 203880934 U CN203880934 U CN 203880934U CN 201420314582 U CN201420314582 U CN 201420314582U CN 203880934 U CN203880934 U CN 203880934U
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- China
- Prior art keywords
- air
- heater
- air inlet
- blast pipe
- cabinet
- 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
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Abstract
The utility model discloses an air heating unit. The air heating unit comprises a machine case. The machine case is provided with an air inlet and an air outlet. A draught fan is arranged at the air inlet in the machine case, and a heater is arranged at the air outlet of the machine case. A gravity shutter which is located on the outer portion of the draught fan is arranged at the air inlet of the machine case. A sound attenuation and air collection unit is arranged in the machine case. The sound attenuation and air collection unit comprises a taper drum and a muffler device arranged in the taper drum. A small opening of the taper drum is connected with the draught fan. A large opening of the taper drum is connected with the heater. According to the air heating unit, the gravity shutter is arranged at the air inlet; when the air heating unit shuts down at a low environment temperature in winter and the draught fan does not operate, the gravity shutter automatically turns off, and outdoor cold air can not go in, so the temperature of a heating medium in the heater can not drop suddenly, and the heater can not freeze; since the sound attenuation and air collection unit is additionally arranged, loss of the air supply volume is reduced, the heat efficiency is improved, the heat transfer coefficient is increased, energy is saved, and noise is lowered.
Description
Technical field
The utility model relates to a kind of air heat unit.
Background technology
At present, Ge industrial and mining enterprises, air heating plant is used comparatively extensive as heating equipment, but existing air heating plant often has the following disadvantages:
1, existing air heating plant air-heater air-supply diffusingsurface is large, air-supply wind loss is large, air-supply air quantity can not be concentrated and by heater, cause that the heater thermal efficiency is low, heat transfer coefficient is low, noise is large, energy waste is serious.
2,, under operating mode extreme low temperature environment, when heater is shut down, because of well head negative pressure, cause air inlet cold air to continue to enter and cause heater heat medium temperature suddenly to reduce and cause heater freezing.
Utility model content
The technical problems to be solved in the utility model is: a kind of air heat unit that can freezing heater under low temperature environment is provided.
In order to solve the problems of the technologies described above, the utility model comprises cabinet, cabinet is provided with air inlet and air outlet, in cabinet, air inlet place is provided with blower fan, and air outlet place is provided with heater, and the air inlet of described cabinet is provided with the blinds that certainly hangs down being positioned at outside blower fan, in cabinet, be provided with noise elimination wind collecting unit, noise elimination wind collecting unit comprises cone cylinder and is arranged on the silencing apparatus in cone cylinder, the osculum of the cone cylinder machine of giving a dinner for a visitor from afar, and the large mouth of cone cylinder connects heater.
For the ease of utilizing existing heating agent, described heater is finned tube heater, and finned tube heater is connected with heat medium enter hose and heat medium produce hose.
For the ease of controlling, the utility model comprises controller, on indoor, the heat medium produce hose at described air inlet, air outlet, this air heat unit place, be equipped with temperature sensor, heat medium enter hose is provided with electric control valve, and blower fan, electric control valve and all temperature sensors are all connected with controller.
For the ease of control heater, add device, described heat medium enter hose is provided with the bypass pipe in parallel with electric control valve, on bypass pipe and the import of electric control valve and outlet be equipped with stop valve.
In order to make can better unidirectionally to open from the blinds that hangs down, described air inlet is provided with one section of blast pipe, from vertical blinds, be arranged in the import of blast pipe, blower fan is arranged in the outlet of blast pipe, the described blinds that certainly hangs down comprises the many groups of blades that certainly hang down that are arranged in order from top to bottom, from vertical blade, comprise sharf and blade, blade rotation is arranged on sharf, the two ends of sharf are inserted in the tube wall of blast pipe, the lower end of a upper blade rides over the inner side of the upper end of next blade, the outside that is positioned at the lower end of minimum blade on the inwall of blast pipe is provided with limited block, the import of blast pipe is fixed with baffle ring, baffle ring gear is outside the gap of certainly hanging down between blinds and blast pipe.
In order to prevent that foreign material from entering, damage heater and blower fan, described air inlet and the outermost of air outlet are equipped with screen pack, and the screen pack of air outlet is arranged in baffle ring.
For the ease of making, described cabinet comprises housing and base, and housing is fixed on base.
The beneficial effects of the utility model are: the utility model is provided with from the blinds that hangs down at air inlet; when winter, environment temperature was lower; when air heat compressor emergency shutdown; blower fan does not move; from vertical blinds, automatically close; outdoor cold air can not enter, and can not make the rapid drawdown of heater heat medium temperature, thereby can freezing heater.Increase noise elimination wind collecting unit, made air output loss minimizing, thermal efficiency raising, heat transfer coefficient improve, save the energy and noise minimizing.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is that A from hang down blinds and air inlet filter screen is to diagram;
In figure: 1, indoor temperature transmitter, 2, air outlet temperature sensor, 3, air outlet screen pack, 4, finned tube heater, 5, heat medium produce hose, 6, heat medium temperature sensor, 7, base, 8, blower fan, 9, intake air temperature sensor, 10, housing, 11, limited block, 12, air inlet filter screen, 13, controller, 14, the blinds that certainly hangs down, 15, blast pipe, 16, heat medium enter hose, 17, bypass pipe, 18, electric control valve, 19, stop valve.14-1, sharf, 14-2, blade, 20, noise elimination wind collecting unit, 21, baffle ring.
The specific embodiment
An air heat unit, comprises cabinet and controller 13 as depicted in figs. 1 and 2, and cabinet comprises housing 10 and base 7, and housing 10 is fixed on base 7, thereby surrounds a casing.Cabinet is provided with air inlet and air outlet, in cabinet, air inlet place is provided with blower fan 8, air outlet place is provided with heater, the air inlet of cabinet is provided with the blinds 14 that certainly hangs down being positioned at outside blower fan 8, in cabinet, be provided with noise elimination wind collecting unit 20, noise elimination wind collecting unit 20 comprises cone cylinder and is arranged on the silencing apparatus in cone cylinder, the osculum of the cone cylinder machine 8 of giving a dinner for a visitor from afar, and the large mouth of cone cylinder connects heater.
Heater is finned tube heater 4, and finned tube heater 4 is connected with heat medium enter hose 16 and heat medium produce hose 5.Heat medium enter hose 16 is provided with electric control valve 18, and heat medium enter hose 16 is provided with the bypass pipe in parallel with electric control valve 18 17, on bypass pipe 17 and the import of electric control valve 18 and outlet be equipped with stop valve 19.The outermost of air outlet is provided with air outlet screen pack 3.
Air inlet is provided with one section of blast pipe 15, from vertical blinds 14, be arranged in the import of blast pipe 15, blower fan 8 is arranged in the outlet of blast pipe 15, the described blinds 14 that certainly hangs down comprises the many groups of blades that certainly hang down that are arranged in order from top to bottom, from vertical blade, comprise sharf 14-1 and blade 14-2, blade 14-2 rotates and is arranged on sharf 14-1, the two ends of sharf 14-1 are inserted in the tube wall of blast pipe 15, the lower end of a upper blade 14-2 rides over the inner side of the upper end of next blade 14-2, the outside that is positioned at the lower end of minimum blade 14-2 on the inwall of blast pipe 15 is provided with limited block 11, the import of blast pipe 15 is fixed with baffle ring 21, baffle ring 21 gears are outside the gap of certainly hanging down between blinds 14 and blast pipe 15.In the hole of baffle ring 21, be provided with air inlet filter screen 12.
Air inlet is provided with intake air temperature sensor 9, air outlet is provided with air outlet temperature sensor 2, the indoor indoor temperature transmitter 1 that is provided with at this air heat unit place, heat medium produce hose 5 is provided with heat medium temperature sensor 6, and blower fan 8, electric control valve 18 and all temperature sensors are all connected with controller 13.
Operation principle: utilize the own heating agent of plant area, as hot water or steam, when heating agent enters finned tube heater 4 and adds hot-air, under the effect of blower fan 8 suctions, will open from vertical blinds 14, send outdoor cold air to noise elimination wind collecting unit 20 through finned tube heater 4 heating, then hot-air is blown in well from air outlet, when equipment stops, from vertical blinds 14, automatically close air inlet, the outer cold air of well can not enter, making to remain in heating agent in finned tube heater 4 can temperature decrease, thereby can freezing heater.
Claims (7)
1. an air heat unit, comprise cabinet, cabinet is provided with air inlet and air outlet, in cabinet, air inlet place is provided with blower fan, and air outlet place is provided with heater, it is characterized in that: the air inlet of described cabinet is provided with the blinds that certainly hangs down being positioned at outside blower fan, in cabinet, be provided with noise elimination wind collecting unit, noise elimination wind collecting unit comprises cone cylinder and is arranged on the silencing apparatus in cone cylinder, the osculum of the cone cylinder machine of giving a dinner for a visitor from afar, and the large mouth of cone cylinder connects heater.
2. air heat unit according to claim 1, is characterized in that: described heater is finned tube heater, and finned tube heater is connected with heat medium enter hose and heat medium produce hose.
3. air heat unit according to claim 2, it is characterized in that: comprise controller, on indoor, the heat medium produce hose at described air inlet, air outlet, this air heat unit place, be equipped with temperature sensor, heat medium enter hose is provided with electric control valve, and blower fan, electric control valve and all temperature sensors are all connected with controller.
4. air heat unit according to claim 3, is characterized in that: described heat medium enter hose is provided with the bypass pipe in parallel with electric control valve, on bypass pipe and the import of electric control valve and outlet be equipped with stop valve.
5. according to the air heat unit described in any one in claim 1-4, it is characterized in that: described air inlet is provided with one section of blast pipe, from vertical blinds, be arranged in the import of blast pipe, blower fan is arranged in the outlet of blast pipe, the described blinds that certainly hangs down comprises the many groups of blades that certainly hang down that are arranged in order from top to bottom, from vertical blade, comprise sharf and blade, blade rotation is arranged on sharf, the two ends of sharf are inserted in the tube wall of blast pipe, the lower end of a upper blade rides over the inner side of the upper end of next blade, the outside that is positioned at the lower end of minimum blade on the inwall of blast pipe is provided with limited block, the import of blast pipe is fixed with baffle ring, baffle ring gear is outside the gap of certainly hanging down between blinds and blast pipe.
6. air heat unit according to claim 5, is characterized in that: described air inlet and the outermost of air outlet are equipped with screen pack, and the screen pack of air outlet is arranged in baffle ring.
7. air heat unit according to claim 6, is characterized in that: described cabinet comprises housing and base, and housing is fixed on base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420314582.6U CN203880934U (en) | 2014-06-13 | 2014-06-13 | Air heating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420314582.6U CN203880934U (en) | 2014-06-13 | 2014-06-13 | Air heating unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203880934U true CN203880934U (en) | 2014-10-15 |
Family
ID=51681423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420314582.6U Expired - Fee Related CN203880934U (en) | 2014-06-13 | 2014-06-13 | Air heating unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203880934U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006531A (en) * | 2014-06-13 | 2014-08-27 | 山东世光工业设备制造有限公司 | Air heating unit |
-
2014
- 2014-06-13 CN CN201420314582.6U patent/CN203880934U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006531A (en) * | 2014-06-13 | 2014-08-27 | 山东世光工业设备制造有限公司 | Air heating unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141015 Termination date: 20160613 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |