CN208846391U - A kind of steam boiler - Google Patents

Abstract

The utility model discloses a kind of steam boilers, belong to field of boilers.Including boiler body, heat preservation layer assembly, thermocouple assembly, feeding assembly, vibrator and storage bin；Keeping the temperature layer assembly includes top insulation board and side insulation board, and top insulation board includes epipleural and lower side panel, and side insulation board includes outer panel and interior plate；The center of epipleural offers the first mounting hole, and the center of lower side panel offers the second mounting hole being connected with the first mounting hole.A kind of steam boiler of the utility model, so that gap mutually staggers, increase hot gas flees the tortuosity in path, so that heat loss be made to reduce, improves internal insulation performance for the setting of side insulation board；The setting of mounting hole reduces the temperature gradient of the heater of the burning inside lower side panel bottom surface and boiler body, reduce temperature thermocouple to the sensibility of temperature, detection accuracy and service life are improved, the heat loss of energy is effectively reduced, improves whole service life.

Description

A kind of steam boiler

Technical field

The utility model relates to field of boilers, more particularly to a kind of steam boiler.

Background technique

Biological particles steam boiler belongs to one kind of biomass granule boiler, is with special combustion biomass granule fuel For the steam boiler of raw material；It, which has, runs environmental protection, saving fuel, air blower air-introduced machine variable frequency adjustment, boiler fully automatic operation, The advantages that stablizing can be exported according to load variations adjust automatically fuel quantity, steam；Its consumption for being effectively reduced the energy is reduced The discharge of carbon dioxide, sulfur dioxide and oxynitrides, improves environment；However existing steam boiler its insulation construction Single there is being arranged, it is poor that there is heat insulation effects, and more gap has been retained after installation, these gaps will cause amount of heat It scatters and disappears, increases energy consumption；When in addition carrying out thermometric to steam boiler inside using thermocouple, in one end insertion burner hearth of thermocouple, Support need to be increased simultaneously to carry out installation fixation to thermocouple, and the upper and lower side of thermocouple mounting hole is in the same size, so thermoelectricity Couple temperature is extremely sensitive, i.e. influence of the variation of thermocouple free end temperature to measurement result is very big often right in practice Thermocouple is corrected, so needing special installation personnel to be installed when replacing or installing thermocouple, correction can also be led Reduced service life is caused, to influence entire production technology.It is, therefore, desirable to provide effective scheme solves problem above.

Utility model content

In order to overcome the drawbacks of the prior art, the technical problem to be solved by the utility model is to propose a kind of steam copper Furnace, a kind of steam boiler provided by the utility model mutually stagger between gap between the insulation board of side, increase hot gas and flee The tortuosity in path improves boiler body thermal insulation property so that heat loss be made to greatly reduce；Mounting hole is in opening simultaneously The cross sectional shape in portion is cylinder, and lower part is horn-like, so that lower side panel bottom surface and the burning inside boiler body at mounting hole Heater between distance become larger, thus greatly reduce the temperature gradient at mounting hole between lower side panel bottom surface and heater, Reduce temperature thermocouple to the sensibility of temperature, improves the accuracy and service life of temperature thermocouple, also improve survey Galvanic couple detection accuracy is warmed, facilitates staff to control the temperature of boiler body, more accurate temperature detection can be into one Step ground can effectively control boiler body to the utilization rate of biomass granule fuel, while the effective combustion for improving boiler body Efficiency is burnt, the heat loss that boiler body generates energy in combustion is effectively reduced, the whole of boiler body is improved and uses Service life.

For this purpose, the utility model uses following technical scheme:

The utility model provides a kind of steam boiler, including boiler body, heat preservation layer assembly, thermocouple assembly, charging Component, vibrator and storage bin；

The heat preservation layer assembly is bolted on the inner wall of the boiler body, and the heat preservation layer assembly includes top Portion's insulation board and side insulation board, the top insulation board include the epipleural and lower side panel being bonded to each other, the epipleural with The lower side panel is integral slab structure；The side insulation board includes the outer panel and interior plate being bonded to each other；The outer panel Binding face length be greater than the interior plate binding face length；The top insulation board and the side insulation board are adopted With Carbon fiber thermal insulation plate；

The center of the epipleural offers the first mounting hole, and the center of the lower side panel offers and first installation The second mounting hole that hole is connected, the thermocouple assembly is vertical and sequentially passes through first mounting hole and second installation Hole；First mounting hole be cylindrical hole, second mounting hole be it is horn-like,

The thermocouple assembly includes temperature thermocouple, protection sleeve pipe, positioning pipe, and the protection sleeve pipe uses ceramic material It is made, the positioning pipe is made of graphite material, and the protection sleeve pipe and the positioning pipe are top opening and bottom closing Tube body, be arranged with the positioning pipe outside the protection sleeve pipe, the temperature thermocouple be arranged in the protection sleeve pipe；It is described There is positioning pipe one end of opening to be arranged with positioning ring, and the positioning pipe is threadedly coupled with the positioning ring, the positioning ring Outer diameter is greater than the diameter of first mounting hole, and the thermocouple assembly is fixed on the top insulation board by the positioning ring On；

The feeding assembly be located at the left side of the boiler body and be connected inside the boiler body, the storing Storehouse is fixed at the top of the feeding assembly, and the feeding assembly includes motor, shaft coupling, spiral feed paddle, shell；It is described One end of spiral feed paddle is run through and is stretched out in the shell and connects by the way that the output shaft of the shaft coupling and the motor is fixed It connects, the other end of the spiral feed paddle extends to one endface of boiler body；The top of the shell is equipped with the storage Feed bin；The vibrator is bolted the discharge port end close to the storage bin.

Optionally, the internal diameter of the positioning pipe is greater than the internal diameter of the protection sleeve pipe, and the length of the positioning pipe is less than institute State the length of protection sleeve pipe.

Optionally, the temperature thermocouple is platinum rhodium thermocouple.

Optionally, the cross sectional shape of the storage bin is back taper, and the angle of taper of the storage bin is 60 °.

Optionally, the vibrator is pneumatic vibrator.

The utility model has the following beneficial effects:

A kind of steam boiler provided by the utility model mutually staggers between gap between the insulation board of side, increases heat Air-flow alters the tortuosity in path, so that heat loss be made to greatly reduce, improves boiler body thermal insulation property；Mounting hole is simultaneously The cross sectional shape of upper opening portion is cylinder, and lower part is horn-like, so that at mounting hole inside lower side panel bottom surface and boiler body Burning heater between distance become larger, thus greatly reduce the temperature at mounting hole between lower side panel bottom surface and heater Gradient reduces temperature thermocouple to the sensibility of temperature, improves the accuracy and service life of temperature thermocouple, also improve Temperature thermocouple detection accuracy facilitates staff to control the temperature of boiler body, and more accurate temperature detection can Boiler body further can effectively be controlled to the utilization rate of biomass granule fuel, while effectively improving boiler body Efficiency of combustion, effectively reduce the heat loss that boiler body generates energy in combustion, improve the entirety of boiler body Service life.

Detailed description of the invention

Fig. 1 is a kind of structural schematic diagram for steam boiler that specific embodiment of the present invention provides；

Fig. 2 is the top view mounting structure schematic diagram for the side insulation board that specific embodiment of the present invention provides；

Fig. 3 is the structural schematic diagram amplified at the A of specific embodiment of the present invention offer.

In figure:

1, boiler body；2, layer assembly is kept the temperature；3, thermocouple assembly；4, feeding assembly；5, vibrator；6, storage bin；7, Positioning ring；8, the first mounting hole；9, the second mounting hole；21, top insulation board；22, side insulation board；31, temperature thermocouple； 32, protection sleeve pipe；33, positioning pipe；41, motor；42, shaft coupling；43, spiral feed paddle；44, shell；211, epipleural；212, Lower side panel；221, outer panel；222, interior plate.

Specific embodiment

Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.

As shown in Figure 1-3, a kind of steam boiler, including boiler body 1, heat preservation layer assembly 2, thermocouple assembly 3, charging group Part 4, vibrator 5 and storage bin 6；Heat preservation layer assembly 2 is bolted on the inner wall of boiler body 1, keeps the temperature layer assembly 2 Including top insulation board 21 and side insulation board 22, top insulation board 21 includes the epipleural 211 and lower side panel being bonded to each other 212, epipleural 211 and lower side panel 212 are integral slab structure；Side insulation board 22 includes the outer panel 221 that is bonded to each other and interior Side plate 222；The length of the binding face of outer panel 221 is greater than the length of the binding face of interior plate 222；Top insulation board 21 and side Insulation board 22 is all made of Carbon fiber thermal insulation plate；With specific reference to shown in Fig. 2, the length of the binding face of outer panel 221 is greater than inside The length of the binding face of plate 222, the one side of outer panel 221 and the side palette of interior plate 222, the outer panel after assembling 221 and interior plate 222, between generation gap it is less, and mutually stagger between gap, be conducive to relative to Single-layer Insulation plate The temperature inside boiler body 1 is kept, reduces 1 internal heat of boiler body and scatters and disappears, improve the thermal insulation property of side insulation board 22, The gap in entire side insulation board assembly 2 is reduced, heat is lost in reduction thermal field, specifically outer panel 221 and interior plate 222 and epipleural 211 and lower side panel 212 process connecting hole, make it that bolt be used to be connected with each other between the two, bolt It connects simple and reliable；The center of epipleural 211 offers the first mounting hole 8, and the center of lower side panel 212 offers and the first installation The second mounting hole 9 that hole 8 is connected, thermocouple assembly 3 is vertical and sequentially passes through the first mounting hole 8 and the second mounting hole 9；First Mounting hole 8 be cylindrical hole, the second mounting hole 9 be it is horn-like, thermocouple assembly 3 include temperature thermocouple 31, protection sleeve pipe 32, Positioning pipe 33, protection sleeve pipe 32 are made of ceramic material, and positioning pipe 33 is made of graphite material, protection sleeve pipe 32 and positioning pipe 33 be the closed tube body of top opening and bottom, is arranged with positioning pipe 33 outside protection sleeve pipe 32, is arranged in protection sleeve pipe 32 Temperature thermocouple 31；Since the second mounting hole 9 is horn-like, the second mounting hole 9 is greater than close to the aperture of lower side panel 212 and is located at upside The aperture at 211 end of plate, distance becomes larger between the heater of the burning inside 212 bottom surface of lower side panel made and boiler body 1, thus The temperature gradient at the second mounting hole 9 between 212 bottom surface of lower side panel and heater is greatly reduced, temperature thermocouple 31 is reduced To the sensibility of temperature, the accuracy and service life of temperature thermocouple 31 are improved, positioning pipe 33 has an end cap of opening Equipped with positioning ring 7, positioning pipe 33 is threadedly coupled with positioning ring 7, and the outer diameter of positioning ring 7 is greater than the diameter of the first mounting hole 8, positioning Thermocouple assembly 3 is fixed on top insulation board 21 by ring 7；The set-up time of temperature thermocouple 31 is decreased, realizes installation It is convenient and efficient, while utilizing maintenance；Feeding assembly 4 be located at the left side of boiler body 1 and be connected inside boiler body 1, store up Feed bin 6 is fixed at the top of feeding assembly 4, and feeding assembly 4 includes motor 41, shaft coupling 42, spiral feed paddle 43, shell 44；One end of spiral feed paddle 43 is run through and is stretched out in shell 44 and connects by the way that the output shaft of shaft coupling 42 and motor 41 is fixed It connects, the other end of spiral feed paddle 43 extends to 1 one endface of boiler body；The top of shell 44 is equipped with storage bin 6；Vibrator 5 are bolted the discharge port end close to storage bin 6, by spiral feed paddle 43 after the biological particles discharging of storage bin 6 It is delivered to inside boiler body 1 in an orderly manner, and realizes lasting burning, vibrator 5 may be implemented more efficient and suitable when discharging Benefit.

When work, passed through after the biological particles crushed are discharged the biological particles of storage bin 6 by feeding assembly 4 It crosses spiral feed paddle 43 to be delivered in an orderly manner inside boiler body 1, and realizes lasting burning, in combination with having for vibrator 5 Effect is vibrated, more efficiently and smooth when the biological particles in storage bin 6 may be implemented to discharge by vibrator 5；It is delivered to Burning is crushed behind 1 inside of boiler body and then further in boiler body 1, in the design of heat preservation layer assembly 2, passes through top The design of insulation board 21 and side insulation board 22, wherein heat preservation layer assembly 2 includes top insulation board 21 and side insulation board 22, top Portion's insulation board 21 includes the epipleural 211 and lower side panel 212 being bonded to each other, and epipleural 211 is whole hardened with lower side panel 212 Structure；Side insulation board 22 includes the outer panel 221 and interior plate 222 being bonded to each other；The length of the binding face of outer panel 221 is greater than The length of the binding face of interior plate 222；Top insulation board 21 and side insulation board 22 are all made of Carbon fiber thermal insulation plate；With specific reference to Shown in Fig. 2, the length of the binding face by the way that the length of the binding face of outer panel 221 to be greater than to interior plate 222, outer panel 221 The side palette of one side and interior plate 222, outer panel 221 and interior plate 222 after assembling, between generation gap It is less, and mutually staggered between gap, the tortuosity that hot gas in boiler body 1 flees path is increased, heat can be effectively reduced Gas improves 1 thermal insulation property of boiler body so that heat loss be made to greatly reduce to the power fled outside layer assembly 2 is kept the temperature, Be conducive to keep the temperature inside boiler body 1 relative to Single-layer Insulation plate, reduce 1 internal heat of boiler body and scatter and disappear, improve The thermal insulation property of side insulation board 22 reduces the gap in entire side insulation board assembly 2, and heat scatters and disappears in reduction thermal field.

Thermometric is carried out using thermocouple assembly 3 simultaneously, specifically thermocouple assembly 3 is vertical and sequentially passes through the first mounting hole 8 and second mounting hole 9；First mounting hole 8 be cylindrical hole, the second mounting hole 9 be it is horn-like, thermocouple assembly 3 include thermometric Thermocouple 31, protection sleeve pipe 32, positioning pipe 33, protection sleeve pipe 32 are made of ceramic material, and positioning pipe 33 is graphite material system At protection sleeve pipe 32 and positioning pipe 33 are the closed tube body of top opening and bottom, and positioning pipe is arranged with outside protection sleeve pipe 32 33, temperature thermocouple 31 is arranged in protection sleeve pipe 32；Since the second mounting hole 9 is horn-like, the second mounting hole 9 is close to lower side panel 212 aperture is greater than adding for the burning positioned at the aperture at 211 end of epipleural, inside 212 bottom surface of lower side panel made and boiler body 1 Distance becomes larger between hot device, thus greatly reduces the temperature ladder at the second mounting hole 9 between 212 bottom surface of lower side panel and heater Degree, reduces temperature thermocouple 31 to the sensibility of temperature, improves the accuracy and service life of temperature thermocouple 31, also mention High 31 detection accuracy of temperature thermocouple, facilitates staff to control the temperature of boiler body 1, more accurate temperature inspection Survey further can effectively control boiler body 1 to the utilization rate of biomass granule fuel, while effectively improve pot The efficiency of combustion of furnace body 1 effectively reduces the heat loss that boiler body 1 generates energy in combustion, improves boiler sheet The whole service life of body 1.

Optionally, the internal diameter of positioning pipe 33 is greater than the internal diameter of protection sleeve pipe 32, and the length of positioning pipe 33 is less than protection sleeve pipe 32 length, is conducive to the protection finally to temperature thermocouple 31, and the length of positioning pipe 33 is less than the length of protection sleeve pipe 32, makes Used time protection sleeve pipe 32 is set as 3mm-5mm at a distance from the sealed end of positioning pipe 33, is conducive to temperature thermocouple 31 and obtains most Good measurement data.

Optionally, temperature thermocouple 31 is platinum rhodium thermocouple, and platinum rhodium thermocouple is resistant to 1100 DEG C of hot environment, is had very Good heat-resisting quantity, while its high sensitivity, measurement range are big, can be realized using the case where compensating wire without external power supply The measurement of temperature.

Optionally, the cross sectional shape of storage bin 6 is back taper, and the angle of taper of storage bin 6 is 60 °, is played to biomass Guiding role when particle discharges, in gravity self-emptying.

Optionally, vibrator 5 is pneumatic vibrator, and pneumatic vibrator, can be to avoid life using compressed air as power source Material grains are blocked when storage bin 6 discharges, so that discharging is more suitable logical, while small using pneumatic vibrator air consumption, are both pacified It is complete and energy saving, and its is small in size, failure is few, and installation and maintenance are simple, while power, vibration frequency and amplitude, can pass through Air pressure is adjusted to adjust with flow.

The utility model is described with reference to the preferred embodiments, and those skilled in the art know, is not departing from this reality In the case where with novel spirit and scope, various changes or equivalence replacement can be carried out to these features and embodiment.This reality It is not limited to the particular embodiment disclosed with novel, other embodiments fallen into claims hereof all belong to In the range of the utility model protection.

Claims (5)

1. a kind of steam boiler, it is characterised in that:

Including boiler body (1), heat preservation layer assembly (2), thermocouple assembly (3), feeding assembly (4), vibrator (5) and storing Storehouse (6)；

The heat preservation layer assembly (2) is bolted on the inner wall of the boiler body (1), the heat preservation layer assembly (2) Including top insulation board (21) and side insulation board (22), the top insulation board (21) includes the epipleural being bonded to each other (211) and lower side panel (212), the epipleural (211) are integral slab structure with the lower side panel (212)；The side heat preservation Plate (22) includes the outer panel (221) and interior plate (222) being bonded to each other；The length of the binding face of the outer panel (221) is big In the length of the binding face of the interior plate (222)；The top insulation board (21) and the side insulation board (22) are all made of Carbon fiber thermal insulation plate；

The center of the epipleural (211) offers the first mounting hole (8), and the center of the lower side panel (212) offers and institute The second mounting hole (9) that the first mounting hole (8) is connected is stated, the thermocouple assembly (3) is vertical and sequentially passes through described first Mounting hole (8) and second mounting hole (9)；First mounting hole (8) is cylindrical hole, and second mounting hole (9) is It is horn-like,

The thermocouple assembly (3) includes temperature thermocouple (31), protection sleeve pipe (32), positioning pipe (33), the protection sleeve pipe (32) it is made of ceramic material, the positioning pipe (33) is made of graphite material, the protection sleeve pipe (32) and the positioning Pipe (33) is the closed tube body of top opening and bottom, and the positioning pipe (33), institute are arranged with outside the protection sleeve pipe (32) It states in protection sleeve pipe (32) and is arranged with the temperature thermocouple (31)；It is fixed that there is the positioning pipe (33) one end of opening to be arranged with Position ring (7), the positioning pipe (33) are threadedly coupled with the positioning ring (7), and the outer diameter of the positioning ring (7) is greater than described first The thermocouple assembly (3) is fixed on the top insulation board (21) by the diameter of mounting hole (8), the positioning ring (7)；

The feeding assembly (4) is located at the left side of the boiler body (1) and is connected with the boiler body (1) inside, institute The top that storage bin (6) is fixed at the feeding assembly (4) is stated, the feeding assembly (4) includes motor (41), shaft coupling (42), spiral feed paddle (43), shell (44)；One end of the spiral feed paddle (43) is run through and stretches out in the shell (44) And it is fixedly connected by the shaft coupling (42) with the output shaft of the motor (41), the other end of the spiral feed paddle (43) Extend to (1) one endface of boiler body；The top of the shell (44) is equipped with the storage bin (6)；The vibrator (5) it is bolted the discharge port end close to the storage bin (6).

2. a kind of steam boiler as described in claim 1, it is characterised in that:

The internal diameter of the positioning pipe (33) is greater than the internal diameter of the protection sleeve pipe (32), and the length of the positioning pipe (33) is less than institute State the length of protection sleeve pipe (32).

3. a kind of steam boiler as described in claim 1, it is characterised in that:

The temperature thermocouple (31) is platinum rhodium thermocouple.

4. a kind of steam boiler as described in claim 1, it is characterised in that:

The cross sectional shape of the storage bin (6) is back taper, and the angle of taper of the storage bin (6) is 60 °.

5. a kind of steam boiler as described in claim 1, it is characterised in that:

The vibrator (5) is pneumatic vibrator.