CN208148148U - The heating device of hot air drying system - Google Patents
The heating device of hot air drying system Download PDFInfo
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- CN208148148U CN208148148U CN201820440719.0U CN201820440719U CN208148148U CN 208148148 U CN208148148 U CN 208148148U CN 201820440719 U CN201820440719 U CN 201820440719U CN 208148148 U CN208148148 U CN 208148148U
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Abstract
The utility model discloses a kind of heating device of hot air drying system, including wind mixed chamber, fresh air adjust door, return air adjusts door, air filter, direct-fired combustor, combustion chamber and blower；The top of wind mixed chamber is equipped with fresh wind tube, and fresh wind tube is connected to the fresh wind port of wind mixed chamber, and fresh air adjusts door and is located on fresh wind port, and for adjusting the gas flow of fresh wind port, return air adjusts door and is located on the return air inlet of wind mixed chamber side, for adjusting the gas flow of return air inlet；One end of air filter and the outlet of wind mixed chamber, the other end are connected to the entrance of combustion chamber, and the outlet of blower and combustion chamber, direct-fired combustor is located at the inside of combustion chamber.The heat gas of the heating device is fresh air and return air, it can ensure that the air quality in workshop and reduce energy consumption, filtration treatment is carried out before gas heating, it can ensure that air quality, combustion chamber is direct-fired combustion chamber, hot wind exchange efficiency is high, and chamber temperature is low, can extend the service life of equipment and improve the safety of equipment.
Description
Technical field
The utility model relates to a kind of heating devices of hot air drying system.
Background technique
Currently, for injection forming workshop, hot air drying system mainly heats air, so using hot wind into
Row drying.But existing air heating method has the following defects：Fuel combustion is insufficient, so that workshop air quality does not reach
Mark, and there is dazzling pungent sense of discomfort；Chamber structure design is unreasonable, is semi-closed state, and hot-air can not be sent in time
It walks, causes burning room temperature higher, it will usually reach 800 DEG C or more, the service life and safety of equipment are impacted,
And heat exchanger effectiveness is low；Workshop dust is big, is not conducive to good health；Single fresh air is heated, energy consumption is increased.
How a kind of heating device that can overcome drawbacks described above is provided, is current hot air drying system urgent problem to be solved
One of.
Utility model content
The purpose of the utility model is to provide a kind of heating devices of hot air drying system, to solve the above technical problems in
At least one.
One aspect according to the present utility model, provides a kind of heating device of hot air drying system, including wind mixed chamber,
Fresh air adjusts door, return air adjusts door, air filter, direct-fired combustor, combustion chamber and blower.The top of wind mixed chamber is equipped with new
Air hose, fresh wind tube are connected to the fresh wind port of wind mixed chamber, and fresh air adjusts door and is located on fresh wind port, for adjusting the gas stream of fresh wind port
Amount, return air adjusts door and is located on the return air inlet of wind mixed chamber side, for adjusting the gas flow of return air inlet；The one of air filter
The outlet at end and wind mixed chamber, the other end are connected to the entrance of combustion chamber, the outlet of blower and combustion chamber, direct-fired combustion
Burning machine is located at the inside of combustion chamber.
In the utility model, it is intended to the mixture that the gas heated is fresh air and return air, return air is that the heat in workshop is empty
Gas, this mixture not only can ensure that the air quality in workshop, can also reduce energy consumption；Using air filter, big may filter that
The dust of grain, it is ensured that air quality；Combustion chamber is direct-fired combustion chamber, specially pipeline through type combustion chamber, so that hot-air
Can see off quickly, hot wind exchange efficiency is high, and chamber temperature is low, the combustion chamber of low temperature can extend equipment service life and
Improve the safety of equipment.
It in some embodiments, can also include that waste heat adjusts door, waste heat adjusts the waste heat access that door is located at combustion chamber
On mouth.The exhaust gas of kiln discharge can access combustion chamber by waste heat access port and carry out UTILIZATION OF VESIDUAL HEAT IN as a result, and waste heat adjusts door can
To adjust the gas flow for passing through waste heat access port.
It in some embodiments, can also include temperature sensor and controller, temperature sensor, which is located at, passes through blower
In the workshop of heat supply, controller is sent to for detecting the temperature in workshop, and by temperature signal, and controller is to direct-fired burning
Machine sends burnt gas valve size and controls signal.As a result, when temperature is unsuitable in workshop, controller can control the big of burnt gas valve
It is small, and then the temperature of burning room air is controlled, finally the temperature in workshop is adjusted.
It in some embodiments, can also include platform, wind mixed chamber, air filter, combustion chamber, blower and controller
It is located on platform.As a result, heating device can be rationally assembled according to space.
In some embodiments, the top of fresh wind tube can be located outside.Outdoor fresh air can be inputted and be added as a result,
Thermal.
It in some embodiments, can also include rainhat, rainhat is located at the top of fresh wind tube.Rainhat as a result,
It can prevent rainwater from entering fresh wind tube.
In some embodiments, direct-fired combustor is direct-fired natural gas combustion engine.Combustor combustion gas and sky as a result,
Gas is than 1:40, high combustion efficiency is clean tasteless.
In some embodiments, flame detection sensor is equipped in direct-fired natural gas combustion engine, for detecting flame
The presence or absence of, and flare up fire is sent to controller, controller sends gas valve opening OFF signal to direct-fired combustor.As a result,
When direct-fired combustor accident extinguishing, the flare up fire closing gas valve that controller can be sent according to flame detection sensor,
Realize safety in production.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the heating device of the hot air drying system of one embodiment of the utility model；
Fig. 2 is that return air adjusts door, wind mixed chamber, air filter, combustion in the heating device of hot air drying system shown in FIG. 1
Burn room, waste heat adjusts the top view of door, waste heat access port.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
Fig. 1 and Fig. 2 schematically shows a kind of heating device of the hot air drying system of embodiment of the utility model
Structure.
As depicted in figs. 1 and 2, the heating device of hot air drying system includes wind mixed chamber 1, fresh air adjusts door 2, return air is adjusted
Door 3, air filter 4, direct-fired combustor 5, combustion chamber 6 and blower 7.
Wherein, heating device further includes that waste heat adjusts door 8, overtemperature prote temperature sensor 9, controller 10, platform 11, prevents
Rain cap 12, fresh wind tube 101, waste heat access port 601.
In the present embodiment, except part fresh wind tube 101 and rainhat 12 are located outside, the other parts of heating device are respectively mounted
In workshop, for providing hot-air into workshop.
In the present embodiment, the top of wind mixed chamber 1 is equipped with fresh wind tube 101, the fresh wind port (figure of fresh wind tube 101 and wind mixed chamber 1
Do not show) connection, fresh air adjusts door 2 and is mounted on fresh wind port, for adjusting the gas flow of fresh wind port, the return air adjusting installation of door 3
In the return air inlet (not shown) of 1 side of wind mixed chamber, for adjusting the gas flow of return air inlet.By fresh wind port input fresh air and
It is mixed by the return air that return air inlet inputs in wind mixed chamber 1, mixed proportion can according to need and adjust door 2 by fresh air, return air is adjusted
Door 3 is adjusted setting.Aforesaid way can ensure that the air quality in workshop, simultaneously as return air is the hot wind in workshop,
In heating process, energy consumption can effectively reduce.
Wherein, fresh air adjusts door 2 and return air adjusts door 3 as electric adjustable section door, and in other embodiments, fresh air adjusts door 2
Door 3 is adjusted with return air or manually adjusts door.
Wherein, the input of fresh air is realized by fresh-air fan (not shown), and the input of return air is real by return air fan (not shown)
It is existing.In other embodiments, the input of fresh air and the input of return air can be simultaneously by a fresh-air fan or a return air fan realities
It is existing.
In the present embodiment, gas that the outlet of one end of air filter 4 and wind mixed chamber 1, i.e. wind mixed chamber 1 mix
It is filtered via air filter 4, by filtering, may filter that the dust of bulky grain, such as dust, flue dust, mine dust.
In the present embodiment, the other end of air filter 4 is connected to the entrance of combustion chamber 6, and filtered gas can be into
Enter combustion chamber 6 to be heated.The inside of combustion chamber 6 is equipped with direct-fired combustor 5, for following to the gas in combustion chamber 6
Ring heating.Direct-fired combustor 5 is direct-fired natural gas combustion engine, is exclusively used in the heating of fresh air, combustion gas and air are than 1:
40, high combustion efficiency is clean tasteless.The direct-fired combustor 5 of the present embodiment is specially the gloomy direct-fired combustion of natural gas of section of Britain
Machine RSP250.
In the present embodiment, the outlet of blower 7 and combustion chamber 6, for the gas after dispatch heating, specifically, blower 7
Gas after heating is transported to workshop, realizes the heating of workshop air.Wherein, controller 10 can carry out the start and stop of blower 7
Control.
It is energy-saving to make full use of waste heat in the present embodiment, it is inputted using the waste heat access port 601 on combustion chamber 6 remaining
Heat, the selection for waste heat, preferably residual heat from kiln furnace.For the waste heat flow for adjusting waste heat access port 601, on waste heat access port 601
Door 8 is adjusted equipped with waste heat.
In the present embodiment, it is electric adjustable section door that waste heat, which adjusts door 8, and in other embodiments, it can be manual that waste heat, which adjusts door 8,
Adjust door.The exhaust gas of kiln discharge can access combustion chamber 6 by waste heat access port 601 and carry out UTILIZATION OF VESIDUAL HEAT IN, and waste heat adjusts door 8
Waste heat access port 601 is connected to by the adjustable gas flow by waste heat access port 601 when that need to input waste heat with kiln.
Waste heat adjust door 8 have waste heat control function, can preferentially utilize waste heat heat source, at this point, direct-fired combustor 5 can completely close or
Auxiliary heating.
In the present embodiment, overtemperature prote temperature sensor 9 is set in combustion chamber 6, for detecting the temperature in combustion chamber 6,
And temperature signal is sent to controller 10, controller 10 sends gas valve opening OFF signal to direct-fired combustor 5.Such as：Work as wind
When 7 failure of machine, the hot-air in combustion chamber 6 can not be seen off, and the temperature that will lead in combustion chamber 6 increases rapidly, in 6 temperature of combustion chamber
When degree is more than threshold value, controller 10 automatically closes direct-fired combustor 5, to carry out overtemperature prote.
In the present embodiment, heating device further includes the temperature sensor (not shown) being located in workshop, the temperature sensor
It is sent to controller 10 for detecting the temperature in workshop, and by temperature signal, controller 10 is sent to direct-fired combustor 5 to be fired
Air valve size controls signal.Such as：Controller 10 does PID arithmetic with temperature signal and setting value, controls the size of burnt gas valve,
And then the temperature of air in combustion chamber 6 is controlled, to reach the adjusting of temperature in workshop.
In the present embodiment, wind mixed chamber 1, air filter 4, combustion chamber 6, blower 7 and controller 10 are set on platform 11.
In other embodiments, to reduce expenses, it can also be not provided with platform, by wind mixed chamber 1, air filter 4, combustion chamber 6, blower 7
And controller 10 is set on the ground.
In the present embodiment, the top of fresh wind tube 101 is located outside, and rainhat 12 is located at the top of fresh wind tube 101.Fresh wind tube
101 trend can be configured as needed, the presence or absence of rainhat 12 can also as needed depending on, if the top of fresh wind tube 101
It is not influenced by rainwater, then can be not provided with rainhat 12.
In the present embodiment, flame detection sensor (not shown) is installed in direct-fired combustor 5, for detecting flame
Whether there is or not, and flare up fire is sent to controller 10, controller 10 sends gas valve opening OFF signal to direct-fired combustor 5.Such as：
When direct-fired combustor 5 stops working, the control shutdown gas valve of controller 10, this defencive function can ensure that the safety in production in workshop.
For hot air drying system, the heating device including above embodiment, further, the heating of above embodiment
Device can be applied in the hot air drying system in injection forming workshop, and injection forming workshop can be ceramic sanitary appliance workshop.
In practical applications, the heating device of above embodiment provides heat source and fresh air, operational effect for workshop
It is very good, it can long-term stable operation.Wherein, efficiently the hot wind exchange efficiency of direct-fired combustion chamber 6 is very high, 6 temperature of combustion chamber
At 100-120 DEG C hereinafter, greatly prolonging the service life of equipment and improving the safety of equipment.Wherein, the air in workshop contains
Oxygen amount meets national Specification.Wherein, due to directly heating air, heating efficiency is high, up to 99.8%.
Above-described is only some embodiments of the utility model.For those of ordinary skill in the art,
Without departing from the concept of the present invention, various modifications and improvements can be made, these belong to practical
Novel protection scope.
Claims (8)
1. the heating device of hot air drying system, which is characterized in that adjust door (2) including wind mixed chamber (1), fresh air, return air is adjusted
Door (3), air filter (4), direct-fired combustor (5), combustion chamber (6) and blower (7)；
The top of the wind mixed chamber (1) is equipped with fresh wind tube (101), and the fresh wind port of the fresh wind tube (101) and wind mixed chamber (1) connects
Logical, the fresh air adjusts door (2) and is located on fresh wind port, and for adjusting the gas flow of fresh wind port, the return air adjusts door (3) and sets
On the return air inlet of wind mixed chamber (1) side, for adjusting the gas flow of return air inlet；
One end of the air filter (4) and the outlet of wind mixed chamber (1), the entrance of the other end and the combustion chamber (6)
Connection, the outlet of the blower (7) and combustion chamber (6), the direct-fired combustor (5) are located at the inside of combustion chamber (6).
2. the heating device of hot air drying system according to claim 1, which is characterized in that further include that waste heat adjusts door
(8), the waste heat adjusts door (8) and is located on the waste heat access port (601) of combustion chamber (6).
3. the heating device of hot air drying system according to claim 2, which is characterized in that further include temperature sensor and
Controller (10), the temperature sensor are located in the workshop by blower (7) heat supply, for detecting the temperature in workshop, and will
Temperature signal is sent to controller (10), and controller (10) sends burnt gas valve size to direct-fired combustor (5) and controls signal.
4. the heating device of hot air drying system according to claim 3, which is characterized in that further include platform (11), institute
Wind mixed chamber (1), air filter (4), combustion chamber (6), blower (7) and controller (10) is stated to be located on platform (11).
5. the heating device of hot air drying system according to claim 4, which is characterized in that the fresh wind tube (101)
Top is located outside.
6. the heating device of hot air drying system according to claim 5, which is characterized in that it further include rainhat (12),
The rainhat (12) is located at the top of fresh wind tube (101).
7. the heating device of hot air drying system described in -6 any one according to claim 1, which is characterized in that the direct combustion
Formula combustor (5) is direct-fired natural gas combustion engine.
8. the heating device of hot air drying system according to claim 7, which is characterized in that the direct-fired natural gas combustion
It is equipped with flame detection sensor in burning machine, is sent to controller (10) for detecting the presence or absence of flame, and by flare up fire, controls
Device (10) sends gas valve opening OFF signal to direct-fired combustor (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820440719.0U CN208148148U (en) | 2018-03-29 | 2018-03-29 | The heating device of hot air drying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820440719.0U CN208148148U (en) | 2018-03-29 | 2018-03-29 | The heating device of hot air drying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208148148U true CN208148148U (en) | 2018-11-27 |
Family
ID=64380778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820440719.0U Active CN208148148U (en) | 2018-03-29 | 2018-03-29 | The heating device of hot air drying system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208148148U (en) |
-
2018
- 2018-03-29 CN CN201820440719.0U patent/CN208148148U/en active Active
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