CN214064877U - Steam generator - Google Patents

Abstract

The utility model relates to a steam generator belongs to the field of steam generation equipment technique, and it includes quick-witted case, the quick-witted incasement is provided with the furnace body that is used for supplying the living beings burning, set up feed inlet and the outlet flue that is linked together with the furnace body on the quick-witted case respectively, be provided with the pot body on the furnace body, the intercommunication is provided with the steam chamber on the pot body, set up the steam outlet who is linked together with the steam chamber on the quick-witted case, it is provided with exhaust pipe to lie in outlet flue department intercommunication on the quick-witted case, the last fan that is provided with of exhaust pipe, the air outlet end intercommunication of fan is provided with dust removal portion, dust removal portion is used for purifying the flue gas that the air outlet end of fan sent out and removes dust the back and discharges, dust removal portion is including the dust removal pipe, be provided with filter component in the dust removal pipe, filter component is used for filtering the flue gas that gets into the dust removal pipe. This application has the effect that reduces the pollution of discharged flue gas to the environment after the burning.

Description

Steam generator

Technical Field

The application relates to the technical field of steam generating equipment, in particular to a steam generator.

Background

At present, a steam generator refers to a mechanical device which heats water into hot water or steam by using heat energy of fuel or other energy sources, and is also called a boiler.

The biomass steam generator is one of steam generators, and is a heat exchange device which heats water into steam by using heat energy generated by burning biomass fuel. Common biomass steam generator includes quick-witted case, set up the pot body of heating on furnace body, the furnace body of quick-witted incasement and with the steam chamber of pot body intercommunication, still the intercommunication has smoke exhaust pipe on the furnace body, biomass fuel is after the burning, and the flue gas after will burning is discharged through smoke exhaust pipe.

In the process of exhausting flue gas, dust generated after combustion and part of insufficiently combusted ash particles can be exhausted to the outside air through a smoke exhaust pipeline along with the flue gas, so that environmental pollution is caused, and the breathing health of workers can be influenced after the biomass steam generator is inhaled for a long time.

SUMMERY OF THE UTILITY MODEL

In order to reduce the pollution of the flue gas discharged after combustion to the environment, the application provides a steam generator.

The application provides a steam generator adopts following technical scheme:

the utility model provides a steam generator, includes quick-witted case, the quick-witted incasement is provided with the furnace body that is used for supplying the living beings burning, set up feed inlet and the outlet flue that is linked together with the furnace body on the quick-witted case respectively, be provided with the pot body on the furnace body, the intercommunication is provided with the steam chamber on the pot body, set up the steam outlet that is linked together with the steam chamber on the quick-witted case, it is provided with exhaust pipe to lie in outlet flue department intercommunication on the quick-witted case, the last fan that is provided with of exhaust pipe, the air outlet end intercommunication of fan is provided with dust removal portion, dust removal portion is used for purifying the flue gas that removes dust with the air outlet end of fan and discharges after, dust removal portion is including the pipe that removes dust, be provided with filter assembly in the dust removal pipe, filter assembly is used for filtering the flue gas that gets into in the dust removal pipe.

Through adopting above-mentioned technical scheme, when using steam generator, the flue gas that produces after the burning sends into in the dust removal pipe through the air outlet of fan, utilizes the interior filter assembly of dust removal pipe to filter dust and ash content granule in the flue gas, and the flue gas after rethread dust removal pipe will filter is discharged to the flue gas after having reduced the direct condition that enters into the outside air of flue gas after the burning, reduced the pollution to the environment.

Optionally, the filter assembly includes a first filter element and a second filter element, the first filter element is arranged at the smoke inlet of the dust removing pipe, and the second filter element is arranged at the smoke outlet of the dust removing pipe.

Through adopting above-mentioned technical scheme, the first of the mouth of cigarette department that advances that utilizes the dust removal pipe is filtered the flue gas that gets into in the dust removal pipe for the first time, screens out the dust of great granule in the flue gas, and the flue gas after the first filtration gets into in the dust removal pipe, utilizes the second to filter and carries out secondary filter to the flue gas, and then discharges comparatively clean flue gas through the exhaust port that removes the dust pipe to the influence of dust and ash content granule in the flue gas to the environment has been reduced.

Optionally, the first filter element comprises a filter screen plate, and the filter screen plate is detachably arranged in the dust removal pipe.

By adopting the technical scheme, when the filtering is needed, the filtering screen plate is installed; when the residual dust on the filter screen plate is more, the filter screen plate is detached, and then the impurities on the filter screen plate are cleaned, so that the effect of conveniently cleaning or replacing the filter screen plate is achieved.

Optionally, the inner wall that the dust removal pipe is close to into smoke mouth department is provided with the spacing ring, still be provided with in the dust removal pipe and support the piece, it is used for supporting the filter screen board tightly on the spacing ring to support the piece.

By adopting the technical scheme, the filter screen plate is abutted against the limiting ring by the abutting piece, so that the filter screen plate is fixedly installed; when dismantling, the drive supports the piece and no longer supports tightly to filtering the otter board to dismantle filtering the otter board, thereby be convenient for maintain and change filtering the otter board.

Optionally, the tight piece of support is including supporting tight piece and spring, the holding tank has all been seted up on the intraductal both sides lateral wall that is close to the spacing ring that removes dust, the holding tank is used for holding and supports tight piece and spring, the one end of spring and the interior wall connection of holding tank, the other end and support tight piece and be connected, the spring makes to support tight piece have the trend of outside removal to the holding tank all the time, support tight piece and extend to the outer extension section of holding tank and will filter the otter board and support tightly on the spacing ring, the notch department of holding tank and the both sides that are located and support tight piece are provided with the anticreep piece, the one end that supports tight piece and is located the holding tank is provided with the anticreep strip.

By adopting the technical scheme, when the filter screen plate is installed, a worker presses the abutting block into the containing groove, the abutting block is accommodated into the containing groove by utilizing the retractility of the spring, the filter screen plate is placed on the limiting ring and is not pressed tightly against the abutting block, the abutting block moves outwards under the elastic action of the spring, and the extending section of the abutting block extending out of the containing groove abuts against the filter screen plate on the limiting ring, so that the installation of the filter screen plate is completed; when needs clear up, compress tightly to support tight piece and make to support tight piece and accomodate to the holding tank in, take out the filter plate and can clear up or change the filter plate.

Optionally, the air outlet end of the fan is communicated with a connecting pipe, the dust removal pipe is provided with a connecting piece, the connecting piece is used for detachably connecting the dust removal pipe to the connecting pipe, and the dust removal pipe is communicated with the air outlet end of the fan through the connecting pipe.

By adopting the technical scheme, when the dust removal pipe is required to be used for dust removal, the dust removal pipe is arranged on the connecting pipe; after long-term use, when dust on the inner pipe wall of the dust removal pipe is accumulated more or the filter screen plate in the dust removal pipe needs to be cleaned and maintained, the dust removal pipe is disassembled, and the inner pipe wall of the dust removal pipe can be cleaned or the filter screen plate can be maintained, so that the dust removal effect is improved to a certain degree.

Optionally, the dust removal pipe is in plug-in fit with the connecting pipe, the connecting piece comprises a sleeve, the sleeve is rotatably arranged at one end, close to the connecting pipe, of the dust removal pipe, and the inner wall of the sleeve is in threaded fit with the outer wall of the connecting pipe.

By adopting the technical scheme, when the dust removing pipe is installed, the dust removing pipe is inserted into the connecting pipe, and then the sleeve is rotated to be in threaded fit with the connecting pipe, so that the dust removing pipe is conveniently installed on the connecting pipe; when the dust removal pipe is detached, the sleeve is rotated to be separated from the connecting pipe, so that the dust removal pipe is separated from the connecting pipe, and the dust removal pipe is conveniently detached.

Optionally, the outer wall of the dust removal pipe is sleeved with a rolling bearing, the dust removal pipe is in interference fit with an inner ring of the rolling bearing, the sleeve is sleeved on the rolling bearing, and the inner wall of the sleeve is in interference fit with an outer ring of the rolling bearing.

Through adopting above-mentioned technical scheme, can let the sleeve realize the rotation under the condition that is fixed in on the pipe wall of dust removal pipe, produce elastic pressure between telescopic inner wall and antifriction bearing, produce elastic pressure equally between the outer wall of dust removal pipe and antifriction bearing to make the connection more firm, have simple structure, advantage that the axiality is good.

In summary, the present application includes at least one of the following beneficial technical effects:

when the steam generator is used, flue gas generated after combustion is sent into the dust removal pipe through the air outlet of the fan, dust and ash particles in the flue gas are filtered by the filter assembly in the dust removal pipe, and the filtered flue gas is discharged through the dust removal pipe, so that the condition that the flue gas after combustion directly enters the outside air is reduced, and the pollution to the environment is reduced;

the first filtering piece at the smoke inlet of the dust removal pipe is used for primarily filtering smoke entering the dust removal pipe, larger particles of dust in the smoke are screened out, the primarily filtered smoke enters the dust removal pipe, the second filtering piece is used for secondarily filtering the smoke, and the cleaner smoke is discharged through the smoke outlet of the dust removal pipe, so that the influence of the dust and ash particles in the smoke on the environment is reduced;

through filtering the flue gas after the burning, the influence on the human body breathing health after the flue gas is directly discharged is reduced, the environmental protection performance of the steam generator is improved, and the steam generator has the advantages of low cost, detachability and installation, and is convenient for workers to regularly maintain.

Drawings

Fig. 1 is a schematic structural view of a steam generator according to an embodiment of the present disclosure.

Fig. 2 is a partial exploded view of an embodiment of the present application, intended to illustrate a dust extraction tube and filter assembly.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Description of reference numerals: 1. a chassis; 11. a feed inlet; 12. a smoke outlet; 13. a steam outlet; 14. cleaning the ash hole; 15. a self-locking universal wheel; 2. a smoke exhaust duct; 21. a fan; 211. a connecting pipe; 3. a dust removal pipe; 31. a limiting ring; 32. accommodating grooves; 321. an anti-drop block; 4. a filter assembly; 41. a filter screen plate; 42. filtering cotton; 5. an abutting piece; 51. a propping block; 511. anti-drop strips; 52. a spring; 6. a cage net; 61. the anti-drop ring; 62. a openable cover; 7. a sleeve; 8. a rolling bearing.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a steam generator. Referring to fig. 1, a steam generator comprises a case 1, a furnace body for burning biomass is placed in the case 1, a feed inlet 11 and a smoke outlet 12 which are communicated with the furnace body are respectively arranged on the case 1, a pot body is arranged at the top end of the furnace body in the case 1, a water feeding pipe is connected to the pot body, a steam chamber is arranged at the top end of the pot body in a communicating manner, a steam outlet 13 communicated with the steam chamber is arranged on the case 1, a smoke exhaust pipeline 2 is arranged at the smoke outlet 12 in the case 1 in a communicating manner, a fan 21 is fixed on the smoke exhaust pipeline 2 through bolts, a plurality of ash cleaning ports 14 are arranged on the case 1, and four self-locking universal wheels 15 are fixed at the bottom of the case 1 through bolts; the steam generator is a common device on the market, and a person skilled in the art can see it, so that some parts in the cabinet 1 are not shown in the figures.

When the boiler is used, water is connected to a water source through a water adding pipe and added into the boiler body, then biomass fuel is added into the boiler body through the feeding hole 11, and the boiler body is heated by combustion of the biomass fuel, so that the water in the boiler body is vaporized to form steam which is discharged into the steam chamber and then conducted to a required place through the steam outlet 13; after the biomass fuel is combusted, the fan 21 is started, and the flue gas generated after the combustion is discharged from the air outlet end of the fan 21 through the smoke discharge pipeline 2 by using the suction force of the fan 21.

Referring to fig. 1 and 2, the air outlet end of the fan 21 is further communicated with a dust removing portion, and the dust removing portion is used for purifying and removing dust from the flue gas sent out from the air outlet end of the fan 21 and then discharging the flue gas; wherein, dust removal portion is dust removal pipe 3, installs filter assembly 4 in the dust removal pipe 3, and filter assembly 4 is used for filtering the flue gas that gets into in the dust removal pipe 3.

Referring to fig. 2 and 3, the filter assembly 4 includes a first filter member and a second filter member; the first filter element is a filter screen plate 41, a primary filter screen can be selected as a filter screen on the filter screen plate 41, the primary filter screen is fixed in the circular screen plate through bolts, and larger dust and particulate matters are filtered and screened out by utilizing the characteristics of small resistance, long service life, washability, economy and durability of the primary filter screen, and the filter screen can be cleaned by water after being used for a long time, so that the cost is further reduced; other filter screens can be selected, so that the effect of filtering larger dust, particulate matters and the like can be achieved;

the second filter element is filter cotton 42, the filter cotton 42 can be made of glass fiber filter cotton, and the glass fiber has the advantages of high temperature resistance, high efficiency, large capacity, long service life and the like; the smoke primarily filtered by the filter screen plate 41 is filtered again by the filter cotton 42, part of smaller dust and ash particles still contained in the smoke are adsorbed, and the cleaner smoke after secondary filtration is discharged through the smoke outlet of the dust removal pipe 3, so that the influence of the combusted smoke on the environment is reduced; in addition, the second filters also can set up to install the filter effect and be better than the filter screen board of other filter screens of just imitating the filter screen, for example HEPA high efficiency filter screen etc. can reach the effect of carrying out secondary filter with the flue gas promptly.

Referring to fig. 3, the filter screen plate 41 is detachably disposed at the smoke inlet of the dust removing pipe 3, and the specific implementation manner is: the inner wall of the dust removing pipe 3 close to the smoke inlet is welded with a limiting ring 31, the filter screen plate 41 is tightly attached to the limiting ring 31, a propping piece 5 is further arranged in the dust removing pipe 3, the propping piece 5 is used for propping the filter screen plate 41 tightly against the limiting ring 31, the number of the propping pieces 5 can be set to be multiple, and the effect of stably propping the filter screen plate 41 tightly against the limiting ring 31 can be achieved;

in this embodiment, two abutting pieces 5 are provided and respectively disposed on two opposite side walls in the dust removing pipe 3; wherein, the abutting piece 5 comprises an abutting block 51 and a spring 52, the two side walls of the dust removing pipe 3 close to the limit ring 31 are both provided with an accommodating groove 32, the accommodating groove 32 is used for accommodating the abutting block 51 and the spring 52, one end of the spring 52 is welded on the inner wall of the accommodating groove 32, the other end is welded on the abutting block 51, the spring 52 enables the abutting block 51 to always have the trend of moving towards the outside of the accommodating groove 32, the extending section of the abutting block 51 extending to the outside of the accommodating groove 32 abuts against the filter screen plate 41 on the limit ring 31, the notch of the accommodating groove 32 and the two sides of the abutting block 51 are provided with anti-disengaging blocks 321, the anti-disengaging blocks 321 and the side walls of the accommodating groove 32 are integrated, one end of the abutting block 51 located in the accommodating groove 32 is welded with the anti-disengaging strips 511, the abutting block 51 is always located in the accommodating groove 32 by utilizing the blocking effect of the anti-disengaging blocks 321, thereby preventing the abutting block 51 from being separated from the accommodating groove 32 by the elastic effect of the spring 52 to a certain extent, the filter screen plate 41 cannot be tightly pressed.

When the filter screen plate 41 is installed, a worker presses the abutting block 51 into the accommodating groove 32, the abutting block 51 is accommodated into the accommodating groove 32 by utilizing the retractility of the spring 52, then the filter screen plate 41 is placed on the limiting ring 31, the abutting block 51 is not pressed, the abutting block 51 moves towards the outside of the accommodating groove 32 under the elastic action of the spring 52, and the filter screen plate 41 abuts against the limiting ring 31 by the extension section of the abutting block 51 extending to the outside of the accommodating groove 32, so that the installation of the filter screen plate 41 is completed; when the filter screen plate 41 needs to be cleaned, the abutting block 51 is pressed, the abutting block 51 is accommodated in the accommodating groove 32, and the filter screen plate 41 is taken out, so that the filter screen plate 41 can be cleaned or replaced.

Referring to fig. 2, the filter cotton 42 is detachably disposed at the smoke exhaust port near the dust removing pipe 3 in the dust removing pipe 3, and the specific implementation manner is: it has cage 6 to peg graft in the mouth of pipe department that lies in the smoke vent on dust removal pipe 3, cage 6 sets up for open-top, the cylinder that the bottom sealed the setting, cage 6 is woven by the steel wire and is formed, a plurality of meshs have all been seted up to cage 6's lateral wall and bottom, cage 6's lateral wall closely laminates with dust removal pipe 3's inside wall, cage does not receive the wind-force influence when making fan 21 see the flue gas off, it is cylindrical to filter pulp 42, filter pulp 42 is placed in cage 6, the welding has anticreep ring 61 on cage 6, the articulated switch lid 62 that is provided with on anticreep ring 61, a plurality of meshs have been seted up on the switch lid 62, utilize anticreep ring 61 to prevent cage 6 to fall into dust removal pipe 3 inside, be convenient for take out cage 6, but utilize switch lid 62 to be convenient for regularly change filter pulp 42.

Referring to fig. 2, the air outlet end of the fan 21 is flanged with a connecting pipe 211, the dust removing pipe 3 is provided with a connecting piece, the connecting piece is used for detachably connecting the dust removing pipe 3 to the connecting pipe 211, and the dust removing pipe 3 is communicated with the air outlet end of the fan 21 through the connecting pipe 211; the dust removing pipe 3 is detachably connected to the connection pipe 211 through a connection member in the following manner: the connecting piece is sleeve 7, and dust removal pipe 3 pegs graft on connecting pipe 211, and sleeve 7 rotates to be set up on dust removal pipe 3 near the one end of connecting pipe 211, and the inner wall of sleeve 7 and the outer wall screw-thread fit of connecting pipe 211.

When the dust removing pipe 3 is installed, the dust removing pipe 3 is inserted into the connecting pipe 211, and the sleeve 7 on the dust removing pipe 3 is rotated to be in threaded fit with the connecting pipe 211, so that the dust removing pipe 3 is installed on the connecting pipe 211, and dust removal can be started; after long-term use, when dust on the inner wall of the dust removal pipe 3 is accumulated or the filter screen plate 41 in the dust removal pipe 3 needs to be cleaned and maintained, the rotating sleeve 7 is separated from the connecting pipe 211, so that the dust removal pipe 3 is convenient to detach.

Referring to fig. 2, one embodiment of the sleeve 7 rotatably disposed on the dust removing pipe 3 is: the outer wall of the dust removal pipe 3 is sleeved with a rolling bearing 8, the dust removal pipe 3 is in interference fit with an inner ring of the rolling bearing 8, the sleeve 7 is sleeved on the rolling bearing 8, and the inner wall of the sleeve 7 is in interference fit with an outer ring of the rolling bearing 8; the sleeve 7 can rotate under the condition of being fixed on the pipe wall of the dust removal pipe 3 by utilizing an interference fit connection mode, so that the connection is firmer, and the dust removal pipe has the advantages of simple structure and good coaxiality;

wherein, another embodiment that the sleeve 7 is rotationally arranged on the dust removal pipe 3 is as follows: an annular groove is circumferentially formed in the pipe wall of the dust removing pipe 3, a sleeve ring is welded on the inner wall, close to the annular groove, of the sleeve 7, the sleeve ring is matched with the annular groove, the sleeve 7 is driven by the sleeve ring to be rotatably arranged on the dust removing pipe 3 through the annular groove, the sleeve 7 is limited when rotated by the annular groove, and the sleeve 7 is rotated to be in threaded fit with the outer wall of the connecting pipe 211, so that the connection stability is improved; this embodiment is not shown in the drawings and will be apparent to those skilled in the art upon review.

The implementation principle of the steam generator in the embodiment of the application is as follows: when the steam generator is used, flue gas generated after combustion is sent into the dust removal pipe 3 through the air outlet of the fan 21, larger dust and particulate matters in the flue gas are filtered and screened by the filter screen plate 41 close to the smoke inlet of the dust removal pipe 3, the filtered and screened flue gas enters the dust removal pipe 3, the primarily filtered flue gas is filtered again by the filter cotton 42 close to the smoke outlet of the dust removal pipe 3, part of smaller dust and ash particles contained in the flue gas are adsorbed, and finally, the secondarily filtered and relatively clean flue gas is discharged through the smoke outlet of the dust removal pipe 3, so that the condition that the combusted flue gas directly enters the outside air is reduced, and the pollution to the environment is reduced;

establish dust removal pipe 3 through adding, filter the flue gas after the burning, reduced the direct exhaust back of flue gas influence healthy to human breathing, improved steam generator's feature of environmental protection to have the advantage that the cost is lower and can dismantle and install, the staff of being convenient for regularly maintains.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a steam generator, includes quick-witted case (1), be provided with the furnace body that is used for supplying the biomass combustion in quick-witted case (1), set up feed inlet (11) and outlet flue (12) that are linked together with the furnace body on quick-witted case (1) respectively, be provided with the pot body on the furnace body, the intercommunication is provided with the steam chamber on the pot body, set up steam outlet (13) that are linked together with the steam chamber on quick-witted case (1), it is provided with exhaust pipe (2) to lie in outlet flue (12) department intercommunication on quick-witted case (1), be provided with fan (21) on exhaust pipe (2), its characterized in that: the air outlet end of fan (21) intercommunication is provided with dust removal portion, dust removal portion is used for purifying the flue gas that the air outlet end of fan (21) was seen off and removes dust the back and discharge, dust removal portion is including dust removal pipe (3), be provided with filter assembly (4) in dust removal pipe (3), filter assembly (4) are used for filtering the flue gas that gets into in dust removal pipe (3).

2. A steam generator according to claim 1, wherein: the filter component (4) comprises a first filter piece and a second filter piece, the first filter piece is arranged at the smoke inlet of the dust removal pipe (3), and the second filter piece is arranged at the smoke outlet of the dust removal pipe (3).

3. A steam generator according to claim 2, wherein: the first filter element comprises a filter screen plate (41), and the filter screen plate (41) is detachably arranged in the dust removal pipe (3).

4. A steam generator according to claim 3, wherein: dust removal pipe (3) are provided with spacing ring (31) on being close to the inner wall of advancing cigarette mouth department, still be provided with in dust removal pipe (3) and support piece (5), support piece (5) and be used for supporting filter screen board (41) tightly on spacing ring (31).

5. A steam generator according to claim 4, characterized in that: the abutting piece (5) comprises an abutting block (51) and a spring (52), accommodating grooves (32) are formed in the side walls of the two sides of the dust removing pipe (3) close to the limiting ring (31), the receiving groove (32) is used for receiving the abutting block (51) and the spring (52), one end of the spring (52) is connected with the inner wall of the accommodating groove (32), the other end is connected with the abutting block (51), the spring (52) makes the block (51) always have the tendency of moving out of the accommodation groove (32), the extending section of the abutting block (51) extending out of the accommodating groove (32) abuts the filter screen plate (41) on the limiting ring (31), anti-falling blocks (321) are arranged at the notches of the accommodating grooves (32) and positioned at the two sides of the abutting blocks (51), the one end that supports tight piece (51) and lie in holding tank (32) is provided with anticreep strip (511).

6. A steam generator according to claim 1, wherein: the air outlet end of fan (21) communicates and is provided with connecting pipe (211), be provided with the connecting piece on dust removal pipe (3), the connecting piece is used for dismantling dust removal pipe (3) and connects on connecting pipe (211), dust removal pipe (3) are linked together through the air outlet end of connecting pipe (211) with fan (21).

7. A steam generator according to claim 6, wherein: the dust removal pipe (3) is in plug-in fit with the connecting pipe (211), the connecting piece comprises a sleeve (7), the sleeve (7) is rotatably arranged at one end, close to the connecting pipe (211), of the dust removal pipe (3), and the inner wall of the sleeve (7) is in threaded fit with the outer wall of the connecting pipe (211).

8. A steam generator according to claim 7, wherein: the outer wall of the dust removal pipe (3) is sleeved with a rolling bearing (8), the dust removal pipe (3) is in interference fit with an inner ring of the rolling bearing (8), the sleeve (7) is sleeved on the rolling bearing (8), and the inner wall of the sleeve (7) is in interference fit with an outer ring of the rolling bearing (8).

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