CN209399576U - A kind of air heating unit - Google Patents
A kind of air heating unit Download PDFInfo
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- CN209399576U CN209399576U CN201822242672.XU CN201822242672U CN209399576U CN 209399576 U CN209399576 U CN 209399576U CN 201822242672 U CN201822242672 U CN 201822242672U CN 209399576 U CN209399576 U CN 209399576U
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Abstract
The utility model provides a kind of air heating unit, is related to heating equipment technical field, solves the technical issues of air heating unit existing in the prior art is easy freezing heating pipe under cryogenic.It includes cabinet (11) that the air, which heats unit, the cabinet (11) includes air inlet (12) and air outlet (16), at least two heaters are set close to the position of its air outlet (16) in the cabinet (11), one end of at least two heater is connect with compressed air heating component, so that heater is avoided bursting by freezing to be passed through compressed air into the heater by the compressed air heating component under cryogenic.The utility model is used for the heating equipment of industrial and mining enterprises, the problem of heating pipe of heater under cryogenic is by bursting by freezing can be effectively prevented, while the heating efficiency of air can be improved.
Description
Technical field
The utility model relates to heating equipment technical fields, heat unit more particularly, to a kind of air.
Background technique
Air heating unit also known as mine heating unit are widely used in industrial and mining enterprises as heating equipment.Air
Heating unit is that the hot water that heat source is sent or hot steam heat air via heat exchanger, by blower the air after heating
It is sent into well head or interior.However mine especially extremely frigid zones winter time is long, temperature would generally be below freezing, therefore needs pair
The heating pipe that air heats unit carries out antifreeze processing.To prevent heating pipe by bursting by freezing.
Applicants have discovered that the prior art at least has following technical problem: existing air heating unit is usually to pass through
Heat source in heating pipe is all discharged to prevent the heat source in pipeline from freezing and bursting by freezing pipeline；Or it is arranged in air inlet
From vertical blinds, to prevent freezing heating pipe and preventing cold air from entering blower in compressor emergency shutdown.But above-mentioned side
Method is for cold district especially ambient temperature in the region in subzero ten several years, and all there may be the heat source in pipeline is not complete
The case where being released, even if the device for stopping cold wind to enter, which is arranged, in air inlet still results in heating tube in compressor emergency shutdown
There is the phenomenon that temperature is too low and bursting by freezing in road.
Utility model content
The purpose of this utility model is to provide a kind of air to heat unit, is added with solving air existing in the prior art
Heat engine group is easy the technical issues of freezing heating pipe under cryogenic.In many technical solutions provided by the utility model
Many technical effects elaboration as detailed below that optimal technical scheme can be generated.
To achieve the above object, the utility model provides following technical scheme:
A kind of air provided by the utility model heats unit, including cabinet, and the cabinet includes air inlet and air outlet,
The cabinet close to its air outlet position be arranged at least two heaters, one end of at least two heater with pressure
Contracting air heating component connection, to be passed through pressure into the heater by the compressed air heating component under cryogenic
Contracting air.
According to a kind of preferred embodiment, the compressed air heating component includes air compression plant, wherein it is described extremely
One end of few two heaters is connected with the air compression plant.
According to a kind of preferred embodiment, one end of at least two heater connects heating agent inlet pipe, the air pressure
Compression apparatus is connected by the heating agent inlet pipe at least two heater.
According to a kind of preferred embodiment, the compressed air heating component further includes being connected with the air compression plant
The plenum chamber connect is connected between the plenum chamber and the air compression plant by escape pipe；Also, in the plenum chamber
The escape pipe between the air compression plant is equipped with control valve.
According to a kind of preferred embodiment, one end far from the air compression plant of the plenum chamber passes through air inlet pipe
It is connected with the first air inlet fan.
According to a kind of preferred embodiment, collection air film is equipped in the air inlet pipe, the collection air film is to allow air list
To current rubber material.
According to a kind of preferred embodiment, at least two heater includes at least primary heater and the second heating
Device, the primary heater and the parallel setting of the secondary heater are in the cabinet；Also, the primary heater
It is connected with one end of the separate heating agent inlet pipe of the secondary heater with heating agent outlet pipe；It is equipped in the heating agent outlet pipe antifreeze
Valve.
According to a kind of preferred embodiment, the air heating unit further includes the second air inlet that air inlet is arranged in
Machine, second air inlet fan are connected with air ducting, and the air ducting is in the horn-type structure of both ends open, the wind-guiding
One end far from the second air inlet fan of device is arranged close to heater.
According to a kind of preferred embodiment, the air heating unit further includes the intake air temperature that air inlet is arranged in
Sensor, the air outlet temperature sensor being arranged at air outlet, the heat medium temperature sensor being arranged at heating agent outlet pipe and
Indoor temperature transmitter；Wherein, the intake air temperature sensor, the air outlet temperature sensor, the heat medium temperature pass
Sensor and the indoor temperature transmitter are connected with controller.
According to a kind of preferred embodiment, electric adjustable of the controller also with control valve, frost valve and heating agent inlet pipe
Section valve is connected.
Based on the above-mentioned technical proposal, the air heating unit of the utility model embodiment at least has the following technical effect that
A kind of air provided by the utility model heats unit, including cabinet, and the cabinet includes air inlet and air outlet,
The cabinet close to its air outlet position be arranged at least two heaters, one end of at least two heater with pressure
Contracting air heating component connection, to be passed through pressure into the heater by the compressed air heating component under cryogenic
Contracting air.By the way that heater is connected with compressed air heating component, so as to be especially less than ice under cryogenic
Under the cryogenic conditions of point, when air heats compressor emergency shutdown, it can be led into heater by opening compressed air heating component
Enter compressed air, it can be by the compressed air that is passed through by heat source whole discharge line remaining in heater conduit, simultaneously
Its temperature wants high relative to outside air temperature after being compressed due to air, can be by compressed air to the pipeline of heater
It is suitably kept the temperature, to effectively prevent the heating pipe of heater under cryogenic by bursting by freezing.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the air heating unit of the utility model.
In figure: 11- cabinet；12- air inlet；13- controller；14- intake air temperature sensor；The second air inlet fan of 15-；
16- air outlet；17- primary heater；18- secondary heater；19- heating agent outlet pipe；20- frost valve；21- air outlet temperature sensing
Device；The first air inlet fan of 22-；23- plenum chamber；24- control valve；25- air compression plant；26- electric control valve；27- heating agent into
Pipe；28- indoor temperature transmitter；29- collection air film；30- air ducting；31- heat medium temperature sensor；32- escape pipe；33- into
Tracheae.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
1 pair of the technical solution of the utility model is described in detail with reference to the accompanying drawings of the specification.
The utility model provides a kind of air heating unit, including cabinet 11, and cabinet 11 includes air inlet 12 and outlet air
At least two heaters are arranged close to the position of its air outlet 16 in cabinet 11 in mouth 16.One end of at least two heaters with
The connection of compressed air heating component is passed through compression sky into heater to pass through compressed air heating component under cryogenic
Gas.Therefore, under cryogenic and when air heats compressor emergency shutdown, the pipeline of heater is damaged by frost in order to prevent, opens pressure
Contracting air heating component, compressed air is passed through into heater, can be in heater conduit and its inner wall is remaining does not arrange
It is discharged all in net heat source, simultaneously because compressed air is relatively high compared to its temperature of outdoor air, it can be to heater
Pipeline kept the temperature, prevent it to be damaged by frost, can be effectively solved cold district heater and be easy the problem of being damaged by frost.
Further, compressed air heating component includes air compression plant 25.Preferably, air compression plant 25 can be with
It is air compressor.Air compression plant 25 is used to carry out air compression to increase its temperature.Preferably, at least two heating
One end of device is connected with air compression plant 25.Further, one end of at least two heaters connects heating agent inlet pipe 27.
Air compression plant 25 is connected by heating agent inlet pipe 27 at least two heaters.That is, as shown in Figure 1, heating agent inlet pipe 27 divides
It is not connected with heater, to be passed through heating agent into heater；Air compression plant 25 is connected on heating agent inlet pipe 27, with logical
Heating agent inlet pipe 27 is crossed to be connected with heater.
Further, with reference to Fig. 1, compressed air heating component further includes the plenum chamber being connected with air compression plant 25
23, plenum chamber 23 is for collecting and storing air to be compressed.Pass through escape pipe between plenum chamber 23 and air compression plant 25
32 are connected；Gas i.e. in plenum chamber 23 is entered in air compression plant 25 by escape pipe 32.Also, in plenum chamber 23
Escape pipe 32 between air compression plant 25 is equipped with control valve 24.In air heating unit work, control valve is closed
24, compressed air heating component does not work；And after air heats compressor emergency shutdown, it is passed wait be located at the heat medium temperature at heating agent outlet pipe
When sensor senses that heat medium temperature drops to predetermined temperature (predetermined temperature can be zero degree), frost valve 20 is opened, so that heating
The heating agent of device is all after release, and then controller control control valve 24 is opened, and air heats unit and leads into air compression plant
Enter air compression, so that air compression temperature increases, and is passed through in the pipeline of heater, so that the pipeline to heater is protected
Temperature prevents it to be damaged by frost.
Further, one end of the separate air compression plant 25 of plenum chamber 23 passes through air inlet pipe 33 and the first air inlet fan 22
It is connected.To import air into plenum chamber 23 by the first air inlet fan 22.Preferably, collection air film is equipped in air inlet pipe 33
29, collection air film 29 is the rubber material for allowing air one-way trip.Preferably, integrate air film 29 as the rubber material of vein petaloid,
To allow air into plenum chamber 23, and the air in plenum chamber 23 will not leak out outward.
Further, at least two heaters include at least primary heater 17 and secondary heater 18.Primary heater
17 and the parallel setting of secondary heater 18 in cabinet 11；Also, primary heater 17 and secondary heater 18 is separate
One end of heating agent inlet pipe 27 is connected with heating agent outlet pipe 19；Frost valve 20 is equipped in heating agent outlet pipe 19.Setting at least two adds
Hot device is to increase the heating efficiency of air.The effect of frost valve 20 is to detect that the temperature of heating agent is low in heat medium temperature sensor 31
When predetermined temperature, frost valve 20 is opened by controller 13, so that the heating agent in the pipeline of heater releases, prevents it big
Amount is trapped in heater conduit the frostbite heater that freezes under cryogenic.
Further, air heating unit further includes the second air inlet fan 15 being arranged at air inlet 12.Second air inlet fan
15 are connected with air ducting 30.Air ducting 30 be in both ends open horn-type structure, air ducting 30 far from second into
One end of blower 15 is arranged close to heater.So that the air stream imported by the second air inlet fan 15 is more filled along wind-guiding
It sets 30 to flow to the direction of heater, improves the heating efficiency of air heating unit.
Further, air heating unit further includes that intake air temperature sensor 14 at air inlet 12, setting is arranged in
Air outlet temperature sensor 21 at air outlet 16, the heat medium temperature sensor 31 being arranged at heating agent outlet pipe 19 and interior
Temperature sensor 28；Wherein, intake air temperature sensor 14, air outlet temperature sensor 21, heat medium temperature sensor 31 and room
Interior temperature sensor 28 is connected with controller 13.Controller 13 is for controling and monitoring intake air temperature sensor, outlet air
Mouth temperature sensor and heat medium temperature sensor.Preferably, controller 13 also with control valve 24, frost valve 20 and heating agent inlet pipe
27 electric control valve 26 is connected.Electric control valve 26 is controlled by controller 13 to adjust air heating unit work
When heating agent inlet pipe in heating agent.
The air heating unit of the utility model is when shutting down, the heating agent of 20 real-time monitoring heater of heat medium temperature sensor
When the heat medium temperature to be checked for measuring heater is lower than predetermined temperature, the unlatching of frost valve 20 is controlled by controller 13 for temperature, will
The heating agent of heater discharges, and prevents it from freezing at low temperature and the pipeline of frostbite heater；Meanwhile the control compression of controller 13 is empty
The unlatching of gas heating component opens simultaneously control valve 24, so that the air of plenum chamber 23 enters air compression plant compression and heats and lead to
Enter heater, remaining heating agent in the pipeline of heater is discharged all, arranges remaining heat source on duct wall all
Out, while to pipeline it keeps the temperature, so that heater be prevented to be damaged by frost.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (10)
1. a kind of air heats unit, which is characterized in that including cabinet (11), the cabinet (11) includes air inlet (12) and goes out
Air port (16), the cabinet (11) close to its air outlet (16) position be arranged at least two heaters, described at least two
One end of heater is connect with compressed air heating component, under cryogenic by the compressed air heating component to
Compressed air is passed through in the heater.
2. air according to claim 1 heats unit, which is characterized in that the compressed air heating component includes air
Compression set (25), wherein one end of at least two heater is connected with the air compression plant (25).
3. air according to claim 2 heats unit, which is characterized in that one end of at least two heater connects
Heating agent inlet pipe (27), the air compression plant (25) are connected by the heating agent inlet pipe (27) at least two heater
It connects.
4. air according to claim 2 heats unit, which is characterized in that the compressed air heating component further include with
The plenum chamber (23) that the air compression plant (25) is connected, the plenum chamber (23) and the air compression plant (25) it
Between be connected by escape pipe (32)；Also, it is described between the plenum chamber (23) and the air compression plant (25)
Escape pipe (32) is equipped with control valve (24).
5. air according to claim 4 heats unit, which is characterized in that the separate air of the plenum chamber (23)
One end of compression set (25) is connected by air inlet pipe (33) with the first air inlet fan (22).
6. air according to claim 5 heats unit, which is characterized in that be equipped with collection air film in the air inlet pipe (33)
(29), collection air film (29) is the rubber material for allowing air one-way trip.
7. air according to one of claims 1 to 6, heats unit, which is characterized in that at least two heater is extremely
It less include primary heater (17) and secondary heater (18), the primary heater (17) and the secondary heater (18) phase
Parallel setting is in the cabinet (11)；Also, the primary heater (17) and the secondary heater (18) is separate
One end of heating agent inlet pipe (27) is connected with heating agent outlet pipe (19)；Frost valve (20) are equipped on the heating agent outlet pipe (19).
8. air according to claim 7 heats unit, which is characterized in that the air heating unit further includes that setting exists
The second air inlet fan (15) at air inlet (12), second air inlet fan (15) are connected with air ducting (30), the wind-guiding
Device (30) is in the horn-type structure of both ends open, and one end far from the second air inlet fan (15) of the air ducting (30) is close
Heater setting.
9. air according to claim 8 heats unit, which is characterized in that the air heating unit further includes that setting exists
Intake air temperature sensor (14) at air inlet (12), the air outlet temperature sensor (21) being arranged at air outlet (16),
The heat medium temperature sensor (31) and indoor temperature transmitter (28) being arranged at heating agent outlet pipe (19)；Wherein, the air inlet
Mouth temperature sensor (14), the air outlet temperature sensor (21), the heat medium temperature sensor (31) and the Indoor Temperature
Degree sensor (28) is connected with controller (13).
10. air according to claim 9 heats unit, which is characterized in that the controller (13) is gone back and control valve
(24), the electric control valve (26) of frost valve (20) and heating agent inlet pipe (27) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822242672.XU CN209399576U (en) | 2018-12-28 | 2018-12-28 | A kind of air heating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822242672.XU CN209399576U (en) | 2018-12-28 | 2018-12-28 | A kind of air heating unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209399576U true CN209399576U (en) | 2019-09-17 |
Family
ID=67896976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822242672.XU Active CN209399576U (en) | 2018-12-28 | 2018-12-28 | A kind of air heating unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209399576U (en) |
-
2018
- 2018-12-28 CN CN201822242672.XU patent/CN209399576U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 44, Zone 5, Jinzhuang Village, Zhangxia Street, Changqing District, Jinan City, Shandong Province, 250308 Patentee after: Shandong Shiguang Industrial Equipment Group Co.,Ltd. Address before: 250300 north of Lotus Mountain Road, Zhang Xia Town, Changqing District, Ji'nan, Shandong, China Patentee before: SHANDONG SHIGUANG INDUSTRIAL EQUIPMENT MANUFACTURING Co.,Ltd. |