CN209341293U - A kind of boiler preheating device - Google Patents
A kind of boiler preheating device Download PDFInfo
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- CN209341293U CN209341293U CN201821924371.9U CN201821924371U CN209341293U CN 209341293 U CN209341293 U CN 209341293U CN 201821924371 U CN201821924371 U CN 201821924371U CN 209341293 U CN209341293 U CN 209341293U
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- valve
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- pressure
- boiler
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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- Regulation And Control Of Combustion (AREA)
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Abstract
The utility model discloses a kind of boiler preheating devices, including air preheater, Electrocontrolled tee valve, heating rod and power control cabinet before firing etc., two exhaust outlets of Electrocontrolled tee valve are respectively equipped with air preheater air inlet pipe and combustor air inlet pipe before combustion, air preheater air inlet pipe and the preceding air preheater perforation of combustion connect before firing, air preheater lower end is equipped with check valve II before firing, check valve II is connected by pipeline and the perforation of combustor air inlet pipe, and the heating rod is set to inside oil burning boiler burner hearth.The utility model is designed reasonably, it is easy to use, it can be directly mounted on existing oil burning boiler, burner hearth can be preheated before boiler startup, it avoids direct-fire from shining much at burner hearth thermal stress, while can guarantee intake air temperature at boiler startup initial stage, reduce fuel consumption rate.
Description
Technical field
The utility model belongs to boiler technology field, and in particular to a kind of boiler preheating device.
Background technique
Boiler is a kind of energy conversion, and the energy inputted to boiler has chemical energy, electric energy in fuel, boiler output
Steam, high-temperature water or organic heat carrier with certain thermal energy.The original meaning of pot refers to that the water container heated on fire, furnace refer to burning
The place of fuel, boiler include pot and furnace two large divisions.The hot water or steam generated in boiler can directly be industrial production and people
The people's livelihood is living to provide required thermal energy, mechanical energy can also be converted to by Steam Power Equipment, or again turn mechanical energy by generator
It is changed to electric energy.The boiler for providing hot water is known as hot-water boiler, is mainly used for living, also there is a small amount of application in industrial production.It generates
The boiler of steam is known as steam boiler, is often simply called boiler, is chiefly used in thermal power station, ship, locomotive and industrial and mining enterprises.According to fuel
Difference, be divided into oil burning boiler, coal-burning boiler and biomass boiler etc., be divided into again according to arrangement vertical, horizontal.
It needs to carry out baker at boiler startup initial stage or boils furnace, burner hearth is slowly heated, avoid high fire from directly burning and make
It is excessive at burner hearth thermal stress, burner hearth service life is influenced, burner hearth cracking can be directly contributed under serious conditions.
Utility model content
Technical problem to be solved by the utility model is: a kind of boiler preheating device is overcome the deficiencies of the prior art and provide,
The utility model is designed reasonably, it is easy to use, it can be directly mounted on existing oil burning boiler, it can be before boiler startup to furnace
Thorax is preheated, and avoids direct-fire from shining much at burner hearth thermal stress, while can guarantee intake air temperature, drop at boiler startup initial stage
Low burn specific oil consumption.
This solves the problems, such as it there are used technical solutions using utility model:
A kind of boiler preheating device, including fire preceding air preheater, Electrocontrolled tee valve, heating rod and power control cabinet.
Air preheater bosom is horizontally disposed before the combustion intermediate bulkhead, and the intermediate bulkhead will fire preceding empty
It is divide into upper part and lower part inside air preheater, top is heating room, and lower section is pressure stabilizing chamber, and the heating chamber is arranged vertically
There are 4~8 heating plates, the interlaced arrangement of the heating plate, air-flow serpentine-like track between the heating plate of interlaced arrangement
Flowing.
The intermediate bulkhead left end is equipped with air holes, and the air holes will heat room and pressure stabilizing chamber perforation connects.
Temperature sensor I and pressure sensor, the pressure stabilizing chamber right side bottom are equipped with inside the pressure stabilizing chamber
Perforation is connected with check valve II, valve chamber is equipped with inside the check valve II, the valve chamber left end is equipped with front end baffle, described
Front end baffle among be equipped with aperture, aperture connects valve chamber and pressure stabilizing chamber perforation, and valve plate is equipped with inside the valve chamber, described
Valve plate left end face center be convexly equipped with bored piece, be evenly equipped with air inlet on bored piece of end face on the valve plate, it is described
Spring base, the spring base and the fixed company in bored piece of end face are equipped with equipped with the right side of thrust spring described in thrust spring on the right side of valve plate
It connects, the spring base end face is equipped with gas vent, and the valve plate horizontally slips inside valve chamber, in the promotion of thrust spring
Under, inside the bored piece of aperture being inserted among front end baffle on valve plate, bored piece blocks the aperture among front end baffle.
Perforation is connected with air preheater air inlet pipe before combustion, air preheat before the combustion above the heating room right end
Device air inlet pipe end and the perforation of Electrocontrolled tee valve one outlet connect, another outlet perforation of the Electrocontrolled tee valve is connected with
Combustor air inlet pipe, the check valve II are connected by pipeline and the perforation of combustor air inlet pipe.
The combustor air inlet pipe end is connect with the combustor air inlet on oil burning boiler, the Electrocontrolled tee valve
The perforation of the escape pipe of air inlet and air preheater connects, and is inserted with temperature sensor on the escape pipe of the air preheater
Ⅱ。
The heating rod is placed on inside burner hearth, and the heating rod lower end is equipped with support column, the branch downwards
Heating rod is fixed on inside burner hearth by dagger.
Power supply device, control device and display are equipped with inside the power control cabinet.The heating plate, temperature sensing
Device I, pressure sensor, Electrocontrolled tee valve, temperature sensor II, heating rod, power supply device, display are electric with control device respectively
Property connection.
Preferably, pressure release air flue, the pressure release air flue is vertically arranged in air preheater inner right side before the combustion
Pressure release air flue air inlet is equipped with below right side, the pressure release air flue air inlet connects pressure release air flue and pressure stabilizing chamber perforation.
Perforation is connected with vertically arranged decompression cylinder above the pressure release air flue, and the decompression cylinder is set to air preheater before combustion
External top, is equipped with check valve I between the decompression cylinder and pressure release air flue, I internal gas of the check valve flow direction for from
Pressure release air flue is flowed into decompression cylinder, and I cracking pressure of check valve is greater than II cracking pressure of check valve.
Preferably, arranged for interval has flow-stopping plate I and flow-stopping plate II, the gear from top to bottom inside the decompression cylinder
I end face of flowing plate is equipped with the circle air-hole uniformly distributed around I axis of flow-stopping plate, and II center of flow-stopping plate is equipped with intermediate exhaust
Hole.
Preferably, the decompression cylinder top is covered with waterproof cover, and the waterproof cover passes through 2~4 struts and decompression cylinder
It is fixedly connected.
Preferably, it is equipped with muff inside the support column, line chamber is equipped with away among the muff, described adds
The current supply line of hot pin is arranged in the intracavitary portion of cabling.
Preferably, 4~8 temperature sensors III, the temperature sensor III and control device electricity are equipped with inside burner hearth
Property connection.
Compared with prior art, possessed by the utility model the utility model has the advantages that
(1) burner hearth can be heated by heating rod before oil burning boiler starting, improves burner hearth internal temperature.
(2) it is combined by temperature sensor III inside burner hearth, control device with heating rod, in the feelings that boiler does not use
It can keep burner hearth internal temperature under condition the moment, combustor high fire burning can be used directly when boiler needs to start, shorten steam
Generation time.
(3) air preheater can preheat boiler startup initiation combustion machine air inlet before firing, and effectively reduce fuel oil and disappear
Consumption.
(4) after boiler opens one end time, the air themperature after being heated by air preheater meets combustor air inlet temperature
Degree demand is that Electrocontrolled tee valve changes discharge directions automatically, and the heating plate before firing inside air preheater stops working, and reduces electricity
It can consumption.
(5) air preheater is equipped with pressure release air flue and decompression cylinder before firing, and avoids air preheater internal gas before firing
Hypertonia improves safety in utilization.
(6) multiple baffle is had inside decompression cylinder, increases on-way resistance, reduces final pressure at expulsion.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is a kind of boiler preheating device layout drawing of the utility model,
Fig. 2 is the utility model air preheater structure chart；
Fig. 3 is partial enlarged view at the utility model A,
Fig. 4 is partial enlarged view at the utility model B.
In figure: air preheater, 1a- middle baffle plate, 1a1- air holes, 1b- heat room, 1b1- heating plate, 1c- before 1- fires
Pressure stabilizing chamber, 1c1- temperature sensor I, 1c2- pressure sensor, 1d- pressure release air flue, 1d1- pressure release air flue air inlet；
2- is depressured cylinder, 2a- waterproof cover, 2a1- strut, 2b- check valve I, 2c- flow-stopping plate I, 2c1- circle air-hole, 2d-
Flow-stopping plate II, 2d1- intermediate row stomata；
3- check valve II, 3a- valve chamber, 3a1- front end baffle, 3b- valve plate, 3b1- air inlet, bored piece of 3b2-, 3c- spring
Seat, 3c1- gas vent, 3d- thrust spring；
Air preheater air inlet pipe, 4b- combustor air inlet pipe before 4- Electrocontrolled tee valve, 4a- fire；
5- temperature sensor II；
6- heating rod, 6a- support column, 6a1- muff, 6a2- walk line chamber；
7- power control cabinet, 7a- power supply device, 7b- control device, 7c- display；
8- temperature sensor III；
9- oil burning boiler, 9a- burner hearth, 9b- exhaust duct, 9c- combustor；
10- air preheater, 10a- escape pipe；
11- air blower, 11a- air inlet general pipeline.
Specific embodiment
Attached drawing is a kind of most preferred embodiment of boiler preheating device, further detailed to the utility model with reference to the accompanying drawing
Thin explanation.
As shown in attached drawing 1, a kind of boiler preheating device, including fire preceding air preheater 1, Electrocontrolled tee valve 4, heating rod 6
And power control cabinet 7.
1 bosom of air preheater is horizontally disposed as shown in attached drawing 2, before the combustion an intermediate bulkhead 1a, described
It is divide into upper part and lower part inside air preheater 1 before intermediate bulkhead 1a will fire, top is heating room 1b, and lower section is pressure stabilizing chamber 1c.
The heating room 1b internal vertical is disposed with 4~8 heating plate 1b1, and spacing distance is identical between every two heating plate 1b1,
The interlaced arrangement of heating plate 1b1.That is a heating plate 1b1 is fixedly connected with the heating upper surface room 1b, with middle interval
There are gaps between plate 1a, then the heating plate 1b1 adjacent with this heating plate 1b1 is then fixedly connected with intermediate bulkhead 1a, with
There are gaps between the heating upper surface room 1b.Therefore, air-flow serpentine-like track flowing between the heating plate 1b1 of interlaced arrangement,
Increase the time of contact between air-flow and heating plate 1b1 and contact area.
The left end intermediate bulkhead 1a is equipped with air holes 1a1, and the air holes 1a1 will heat room 1b and pressure stabilizing chamber
1c perforation connection.
I 1c1 of temperature sensor and pressure sensor 1c2, the pressure stabilizing chamber 1c are equipped with inside the pressure stabilizing chamber 1c
The perforation of right side bottom is connected with check valve II 3.II 3 inside of check valve is equipped with valve chamber 3a, the left end valve chamber 3a
Equipped with front end baffle 3a1, aperture is equipped among the front end baffle 3a1, aperture connects valve chamber 3a and pressure stabilizing chamber 1c perforation.
It is equipped with valve plate 3b inside the valve chamber 3a, the valve plate 3b left end face center is convexly equipped with bored piece of 3b2, the valve plate 3b
It is upper to be evenly equipped with air inlet 3b1 on the end face of bored piece of 3b2.It is equipped with described in thrust spring 3d and pushes away on the right side of the valve plate 3b
Spring base 3c is equipped on the right side of power spring 3d, the spring base 3c is fixedly connected with the bored piece of end face 3b2, the spring base 3c
End face is equipped with gas vent 3c1.The valve plate 3b horizontally slips inside valve chamber 3a, under the promotion of thrust spring 3d, valve
Bored piece of 3b2 on plate 3b is inserted in inside the aperture among front end baffle 3a1, and bored piece of 3b2 is by the aperture among front end baffle 3a1
It blocks.
In order to avoid valve plate 3b is stuck, check valve II 3 can not fire 1 internal pressure of preceding air preheater under timely opening state
Increase, air preheater 1 before firing is caused to explode.Pressure release air flue 1d, institute is vertically arranged in 1 inner right side of air preheater before combustion
It is equipped with pressure release air flue air inlet 1d1 below the right side pressure release air flue 1d stated, the pressure release air flue air inlet 1d1 is by pressure release gas
Road 1d and pressure stabilizing chamber 1c perforation connects.
Perforation is connected with vertically arranged decompression cylinder 2 above the pressure release air flue 1d, and the decompression cylinder 2 is set to combustion
Preceding 1 outside top of air preheater, is equipped with I 2b of check valve between the decompression cylinder 2 and pressure release air flue 1d.I 2b of check valve knot
Structure is identical as II 3 structure of check valve, and I 2b internal gas of the check valve flow direction is to be flowed into decompression cylinder from pressure release air flue 1d
2, the I 2b cracking pressure of check valve is greater than II 3 cracking pressure of check valve.
In order to avoid high pressure gas is spouting directly above decompression cylinder 2, it is spaced cloth from top to bottom inside decompression cylinder 2
It is equipped with II 2d of I 2c of flow-stopping plate and flow-stopping plate.I end face 2c of flow-stopping plate is equipped with uniformly distributed around I 2c axis of flow-stopping plate
Circle air-hole 2c1, II center 2d of flow-stopping plate are equipped with intermediate row stomata 2d1.Circle air-hole 2c1 is located at intermediate row
Around stomata 2d1, circle air-hole 2c1 and the unfolded position intermediate row stomata 2d1 in vertical direction.Work as high pressure gas
It when entering decompression 2 inside of cylinder by I 2b of check valve, first strikes on I 2c of flow-stopping plate, changes flow direction, pass through circle air-hole
2c1 vertical upflow.Then it strikes on II 2d of flow-stopping plate, changes flow direction, flowed vertically upward by intermediate row stomata 2d1
It is dynamic.Thus shock repeatedly is covert, increases the on-way resistance of decompression cylinder 2, and then reduces pressure when gas discharge is depressured cylinder 2
Power.
It when simultaneously in order to avoid having under liquid flow above decompression cylinder 2, is flowed into inside decompression cylinder 2, in decompression 2 tip shroud of cylinder
There are waterproof cover 2a, the waterproof cover 2a to be fixedly connected by 2~4 strut 2a1 with decompression cylinder 2.
Perforation is connected with air preheater air inlet pipe 4a before combustion, air before the combustion above the heating room 1b right end
The end air inlet tube of preheater 4a and the perforation of 4 one outlet of Electrocontrolled tee valve connect, another outlet of the Electrocontrolled tee valve 4 is passed through
Lead to and be connected to combustor air inlet pipe 4b, the check valve II 3 is connected by pipeline and combustor air inlet pipe 4b perforation.Automatically controlled three
Port valve 4 has an air inlet and two outlets, controls import and which outlet perforation connection by electric control valve.
The combustor end air inlet pipe 4b is connect with the combustor 9c air inlet on oil burning boiler 9, and described is automatically controlled
The escape pipe 10a of 4 air inlet of triple valve and air preheater 10, which is penetrated through, to be connected, the escape pipe 10a of the air preheater 10
On be inserted with temperature sensor II 5.
The heating rod 6 is placed on inside burner hearth 9a, since heat radiation is centered on heating rod 6 to ambient radiation,
In order to improve the heating efficiency of heating rod 6, heating rod 6 is horizontally disposed, the axis of heating rod 6 and the axis of burner hearth 9a are located at together
On straight line.6 lower end of heating rod is equipped with support column 6a downwards, and heating rod 6 is fixed on by the support column 6a
Inside burner hearth 9a.As shown in attached drawing 4, it is equipped with muff 6a1 inside the support column 6a, is set among the muff 6a1
Line chamber 6a2 is walked, the current supply line of the heating rod 6 is arranged in away inside line chamber 6a2.
4~8 temperature sensors III 8 are equipped with inside burner hearth 9a.
Power supply device 7a, control device 7b and display 7c are successively arranged inside the power control cabinet 7 from top to bottom.Electricity
Source device 7a is powered using 220v or 380v, and control device 7b is controlled using single-chip microcontroller or PLC.
The heating plate 1b1, I 1c1 of temperature sensor, pressure sensor 1c2, Electrocontrolled tee valve 4, temperature sensor II
5, heating rod 6, power supply device 7a, display 7c, temperature sensor III 8 are electrically connected with control device 7b respectively.
In use, the air-flow that air blower 11 generates is entered inside air preheater 10 by air inlet general pipeline 11a, furnace
The high-temperature tail gas that thorax 9a is generated is entered inside air preheater 10 by exhaust duct 9b, is flowed into air inlet general pipeline 11a
Air heating.Air after heating is flowed out by escape pipe 10a, and temperature sensor II 5 detects escape pipe 10a inner air temperature
Degree, if temperature lower than intake air temperature needed for combustor 9c, before control device 7b controls 4 air inlet of Electrocontrolled tee valve and combustion
Air preheater air inlet pipe 4a perforation connection.Air inside escape pipe 10a, which is flowed into inside the preceding air preheater 1 of combustion, to be added
Heat, after pressure stabilizing chamber 1c internal gas pressure is greater than the thrust of thrust spring 3d, the air after heating is flowed by check valve II 3
To inside combustor 9c.
I 1c1 of temperature sensor and pressure sensor 1c2 monitors pressure stabilizing chamber 1c internal temperature pressure in real time, if pressure passes
When sensor 1c2 reaches I 2b cracking pressure of check valve, I 2b of check valve is still not turned on.Then prove I 2b of check valve and check valve
II 3 damage.At this moment it needs to manually control 4 air inlet of Electrocontrolled tee valve and combustor air inlet pipe 4b perforation connects, to heating plate
1b1 power-off.
When the detection escape pipe 10a Inside Air Temperature of temperature sensor II 5, intake air temperature needed for reaching combustor 9c,
Control device 7b controls 4 air inlet of Electrocontrolled tee valve and combustor air inlet pipe 4b perforation connects, heating plate 1b1 power-off.
When oil burning boiler 9 temporarily deactivates, III 8 real-time monitoring hearth 9a internal temperature of temperature sensor, if burner hearth 9a
When internal temperature is lower than set temperature, control device 7b controls heating rod 6 and is powered, and heats to burner hearth, inside burner hearth 9a
When temperature reaches set temperature, control device 7b controls heating rod 6 and powers off, and burner hearth is heated in stopping.It can both drop in this way
Low power consumption, and burner hearth 9a internal temperature can be kept constantly, when needing oil burning boiler 9 to come into operation, combustor 9c can be straight
It connects out high fire to burn, effectively shortens steam generation time.
When oil burning boiler 9 needs to stop using for a long time (such as overhaul of the equipments), direct hand off power supply device 7a
Power supply.
The embodiments of the present invention is explained in detail above in conjunction with attached drawing, but the utility model is not limited to
Above embodiment, technical field those of ordinary skill within the scope of knowledge, this reality can also not departed from
With under the premise of novel objective, various changes can be made.
Claims (6)
1. a kind of boiler preheating device, it is characterised in that:
Including firing preceding air preheater (1), Electrocontrolled tee valve (4), heating rod (6) and power control cabinet (7),
Air preheater (1) bosom is horizontally disposed before the combustion has intermediate bulkhead (1a), the intermediate bulkhead (1a)
It will be divide into upper part and lower part inside air preheater (1) before firing, top is heating room (1b), and lower section is pressure stabilizing chamber (1c), described
Heating room (1b) internal vertical be disposed with 4~8 heating plates (1b1), the heating plate (1b1) interlaced arrangement, gas
Stream serpentine-like track flowing between the heating plate (1b1) of interlaced arrangement,
The intermediate bulkhead left end (1a) is equipped with air holes (1a1), and the air holes (1a1) will heat room (1b) and pressure stabilizing
Room (1c) perforation connection,
Temperature sensor I (1c1) and pressure sensor (1c2), the pressure stabilizing chamber are equipped with inside the pressure stabilizing chamber (1c)
The right side bottom (1c) perforation is connected with check valve II (3), is equipped with valve chamber (3a) inside the check valve II (3), described
The valve chamber left end (3a) is equipped with front end baffle (3a1), is equipped with aperture among the front end baffle (3a1), and aperture is by valve chamber (3a)
It penetrates through and connects with pressure stabilizing chamber (1c), be equipped with valve plate (3b) inside the valve chamber (3a), in the valve plate (3b) left end face
Cardiac prominence is equipped with bored piece (3b2), is evenly equipped with air inlet (3b1) on the end face of bored piece (3b2) on the valve plate (3b), described
Valve plate (3b) on the right side of be equipped with described in thrust spring (3d) and be equipped with spring base (3c) on the right side of thrust spring (3d), the spring
Seat (3c) is fixedly connected with bored piece of end face (3b2), and the spring base end face (3c) is equipped with gas vent (3c1), the valve
Plate (3b) horizontally slips inside valve chamber (3a), and under the promotion of thrust spring (3d), bored piece (3b2) on valve plate (3b) is plugged
Inside the intermediate aperture of front end baffle (3a1), bored piece (3b2) blocks the intermediate aperture of front end baffle (3a1),
Perforation is connected with air preheater air inlet pipe (4a) before combustion, air before the combustion above described heating room (1b) right end
The air inlet tube of preheater end (4a) and Electrocontrolled tee valve (4) one outlet perforation connect, the Electrocontrolled tee valve (4) another
Outlet perforation is connected with combustor air inlet pipe (4b), and the check valve II (3) is passed through by pipeline with combustor air inlet pipe (4b)
Lead to and connect,
The combustor air inlet pipe end (4b) is connect with the combustor air inlet on oil burning boiler, the Electrocontrolled tee valve
(4) escape pipe of air inlet and air preheater perforation connects, and temperature biography is inserted on the escape pipe of the air preheater
Sensor II (5),
The heating rod (6) is placed on inside burner hearth, and the heating rod (6) lower end is equipped with support column (6a), institute downwards
Heating rod (6) is fixed on inside burner hearth by the support column (6a) stated,
Power supply device (7a), control device (7b) and display (7c) are equipped with inside the power control cabinet (7),
The heating plate (1b1), temperature sensor I (1c1), pressure sensor (1c2), Electrocontrolled tee valve (4), temperature sensing
Device II (5), heating rod (6), power supply device (7a), display (7c) are electrically connected with control device (7b) respectively.
2. a kind of boiler preheating device according to claim 1, it is characterised in that:
Air preheater (1) inner right side is vertically arranged pressure release air flue (1d) before the combustion, the pressure release air flue (1d)
Pressure release air flue air inlet (1d1) is equipped with below right side, the pressure release air flue air inlet (1d1) will be pressure release air flue (1d) and steady
Pressure chamber (1c) perforation connection,
Perforation is connected with vertically arranged decompression cylinder (2) above the pressure release air flue (1d), and the decompression cylinder (2) is set to
The external top of air preheater (1), is equipped with check valve I (2b) between the decompression cylinder (2) and pressure release air flue (1d), institute before firing
(2b) internal gas of check valve I flow direction stated is depressured cylinder (2) to be flowed into from pressure release air flue (1d), the check valve I (2b)
Cracking pressure is greater than check valve II (3) cracking pressure.
3. a kind of boiler preheating device according to claim 2, it is characterised in that:
The internal arranged for interval from top to bottom of the decompression cylinder (2) has flow-stopping plate I (2c) and flow-stopping plate II (2d), the gear
The end face (2c) of flowing plate I, which is equipped with, surrounds the uniformly distributed circle air-hole (2c1) of flow-stopping plate I (2c) axis, the flow-stopping plate II
The center (2d) is equipped with intermediate row stomata (2d1).
4. a kind of boiler preheating device according to claim 2, it is characterised in that:
Described decompression cylinder (2) top is covered with waterproof cover (2a), and the waterproof cover (2a) passes through 2~4 struts (2a1) and drop
Pressure cylinder (2) is fixedly connected.
5. a kind of boiler preheating device according to claim 1, it is characterised in that:
It is equipped with muff (6a1) inside the support column (6a), is equipped with away line chamber (6a2) among the muff (6a1),
It is internal that the current supply line of the heating rod (6) is arranged in away line chamber (6a2).
6. a kind of boiler preheating device according to claim 1, it is characterised in that:
4~8 temperature sensors III (8) are equipped with inside burner hearth, the temperature sensor III (8) and control device (7b) are electrically
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821924371.9U CN209341293U (en) | 2018-11-22 | 2018-11-22 | A kind of boiler preheating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821924371.9U CN209341293U (en) | 2018-11-22 | 2018-11-22 | A kind of boiler preheating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209341293U true CN209341293U (en) | 2019-09-03 |
Family
ID=67748913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821924371.9U Expired - Fee Related CN209341293U (en) | 2018-11-22 | 2018-11-22 | A kind of boiler preheating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209341293U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114911291A (en) * | 2022-05-07 | 2022-08-16 | 深圳云存科技有限公司 | Intelligent embedded control system of hard disk air preheater |
-
2018
- 2018-11-22 CN CN201821924371.9U patent/CN209341293U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114911291A (en) * | 2022-05-07 | 2022-08-16 | 深圳云存科技有限公司 | Intelligent embedded control system of hard disk air preheater |
| CN114911291B (en) * | 2022-05-07 | 2023-12-19 | 深圳市联众长信科技有限公司 | Intelligent embedded control system of hard disk air preheater |
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