CN218954847U - Steam waste heat boiler - Google Patents

Abstract

The utility model provides a steam waste heat boiler, relates to the technical field of boilers, and solves the technical problem that high-temperature flue gas enters the steam waste heat boiler in the prior art and a large amount of accumulated ash is easy to generate. This steam exhaust-heat boiler includes stove body, support frame and vibration subassembly, the support frame erects in the outside of stove body, be connected between stove body and the external pipeline for the flexonics, vibration subassembly sets up between stove body and support frame, vibration subassembly can drive the stove body and vibrate the deashing, can greatly reduced the occupation to stove body inner chamber space, and get rid of the installation of cigarette board, the deposition dead angle in the inner chamber of stove body has been reduced, and vibration subassembly uses the support frame as relying on, can carry out flexibility and have the elasticity to the stove body and erect, can greatly increase vibration subassembly to stove body vibration range, thereby greatly reduced the too much accumulation of dust in the flue gas in the stove body, the deashing effect has been greatly improved.

Description

Steam waste heat boiler

Technical Field

The utility model relates to the technical field of boilers, in particular to a steam waste heat boiler.

Background

At present, steam is needed in a plurality of working sections of a density board (MDF, medium Density Fiberboard) in the production process, biomass is combusted by a biomass boiler to obtain energy, namely, the biomass can generate high-temperature flue gas in the boiler combustion process, then the heat of the high-temperature flue gas exhausted by the biomass boiler is utilized, the high-temperature flue gas exhausted by the biomass boiler enters a steam waste heat boiler, water in a water pipe can be heated, the generated steam is provided for customers, a plurality of internal parts such as a plurality of smoke folding plates are arranged in the steam waste heat boiler for guiding the flue gas, but when the high-temperature flue gas enters the steam waste heat boiler, a large amount of dust is contained in the high-temperature flue gas, and when the high-temperature flue gas flows through the internal parts such as a pipe body and the smoke folding plates, a large amount of accumulated ash is easy to generate, and particularly, the smoke folding plates are extremely easy to form an accumulated dead angle.

Therefore, how to solve the technical problem that high-temperature flue gas enters the steam waste heat boiler in the prior art and a large amount of accumulated ash is easy to generate has become an important technical problem to be solved by the person in the field.

Disclosure of Invention

The utility model aims to provide a steam waste heat boiler, which solves the technical problem that high-temperature flue gas enters the steam waste heat boiler in the prior art and a large amount of accumulated ash is easy to generate. The preferred technical solutions of the technical solutions provided by the present utility model can produce a plurality of technical effects described below.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a steam waste heat boiler, which comprises a boiler body, a support frame and a vibration assembly, wherein the support frame is erected on the outer side of the boiler body, the boiler body is in soft connection with an external pipeline, the vibration assembly is arranged between the boiler body and the support frame, and the vibration assembly can drive the boiler body to perform vibration ash removal.

Further, the furnace body comprises a shell and a plurality of pipe bodies, wherein the pipe bodies are arranged in the inner cavity of the shell, the pipe bodies are provided with connecting ports, and first flexible connecting pipe fittings are arranged at the connecting ports.

Further, the casing includes flue gas entry, gas outlet and guide plate, the flue gas entry with the gas outlet sets up relatively the lateral part top of casing, the guide plate is in along vertical setting in the inner chamber of casing, just the guide plate keeps off to establish the flue gas entry with between the gas outlet, the flue gas entry with gas outlet department is provided with the second flexible coupling pipe fitting, just the flue gas entry department is provided with the filter.

Further, a plurality of protruding portions are arranged in the pipe body along the length direction of the pipe body, the protruding portions are of hollow structures, and a plurality of through holes for water supply to pass through are formed in the circumference of the protruding portions.

Further, the inner side wall of the shell and/or the outer side wall of the pipe body are circumferentially provided with a smooth coating for reducing soot adhesion.

Further, the vibration assembly comprises an elastic piece and a vibration motor, the elastic piece is arranged on the upper portion of the furnace body and/or on the lower portion of the furnace body, the first end of the elastic piece is connected with the furnace body, the second end of the furnace body is connected with the supporting frame, and the vibration motor is arranged on the outer circumferential direction of the furnace body.

Further, the vibration assembly further comprises a transverse guiding mechanism and a vertical guiding mechanism, wherein the fixed end of the transverse guiding mechanism is connected with the supporting frame, the fixed end of the vertical guiding mechanism is connected with the moving end of the transverse guiding mechanism, and the moving end of the vertical guiding mechanism is connected with the furnace body.

Further, the furnace body further comprises a support rod, and the support rod is erected and supported between the pipe body and the inner wall of the shell.

Further, the furnace body further comprises one or at least two soot blowers, and the soot blowers are distributed in the inner cavity of the shell.

Further, the lower part of the shell is provided with an ash falling hopper which is of an open conical structure with a big upper part and a small lower part.

Compared with the prior art, the utility model has the following beneficial effects:

according to the steam exhaust-heat boiler, the furnace body, the supporting frame and the vibration assembly are arranged, the vibration assembly is arranged on the outer side of the furnace body, compared with the inner side of the furnace body, the occupation of the inner cavity space of the furnace body can be greatly reduced, the dust accumulation dead angle in the inner cavity of the furnace body is reduced, the vibration assembly is supported by the supporting frame, the furnace body can be flexibly and elastically erected, the vibration amplitude of the vibration assembly to the furnace body can be greatly increased, excessive accumulation of dust in smoke in the furnace body is greatly reduced, and the dust cleaning effect is greatly improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of the overall structure of a steam exhaust-heat boiler according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a furnace body according to an embodiment of the present utility model;

fig. 3 is a schematic structural view of a support frame according to an embodiment of the present utility model;

fig. 4 is a schematic view of an internal structure of a pipe body according to an embodiment of the present utility model.

1-furnace body in the figure; 2-supporting frames; 3-a vibration assembly; 4-a housing; 5-a tube body; 6-flue gas inlet; 7-a flue gas outlet; 8-a second flexible connecting pipe fitting; 9-a filter; 10-a boss; 11-through holes; 12-an elastic member; 13-a vibration motor; 14-a transverse guiding mechanism; 15-a vertical guide mechanism; 16-supporting rods; 17-soot blower; 18-ash falling hopper; 19-loading a boiler barrel; 20-a lower boiler barrel; 21-baffle.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.

The utility model aims to provide a steam waste heat boiler, which solves the technical problem that high-temperature flue gas enters the steam waste heat boiler in the prior art and a large amount of accumulated ash is easy to generate.

Hereinafter, embodiments will be described with reference to the drawings. Furthermore, the embodiments shown below do not limit the summary of the utility model described in the claims. The whole contents of the constitution shown in the following examples are not limited to the solution of the utility model described in the claims.

The technical scheme of the utility model is described in detail below with reference to specific examples.

Example 1:

referring to fig. 1-3, the steam exhaust-heat boiler provided in this embodiment includes a boiler body 1, a support frame 2 and a vibration assembly 3, wherein the support frame 2 is erected on the outer side of the boiler body 1, that is, the support frame 2 is a frame structure, and is enclosed on the outer circumferential direction of the boiler body 1. The connection between the furnace body 1 and the external pipeline is soft connection, namely, the connection between the furnace body 1 and the external pipeline is non-rigid connection, so that the influence of the vibration of the furnace body 1 on the external pipeline is reduced. The vibration component 3 is arranged between the furnace body 1 and the support frame 2, the vibration component 3 can drive the furnace body 1 to perform vibration ash removal, and the vibration component 3 is arranged outside the furnace body 1, so that compared with the arrangement inside the furnace body 1, the vibration component 3 can greatly reduce the occupation of the inner cavity space of the furnace body 1, the installation of the smoke folding plate is removed, the ash deposition dead angle in the inner cavity of the furnace body 1 is reduced, the vibration component 3 depends on the support frame 2, the furnace body 1 can be flexibly and elastically erected, the vibration amplitude of the vibration component 3 to the furnace body 1 can be greatly increased, the excessive accumulation of dust in smoke in the furnace body 1 is greatly reduced, the ash removal effect is greatly improved, and the technical problem that a large amount of ash deposition is easy to generate when the high-temperature smoke enters the steam waste heat boiler in the prior art is solved.

Example 2:

referring to fig. 1 to 3, the present embodiment is further defined with respect to a specific structure of the steam exhaust-heat boiler on the basis of embodiment 1. The steam exhaust-heat boiler comprises a boiler body 1, a support frame 2 and a vibration component 3, wherein the support frame 2 is arranged on the outer side of the boiler body 1, the connection between the boiler body 1 and an external pipeline is soft connection, the vibration component 3 is arranged between the boiler body 1 and the support frame 2, and the vibration component 3 can drive the boiler body 1 to perform vibration ash cleaning. Wherein, stove body 1 includes casing 4 and many body 5, body 5 lays in the inner chamber of casing 4, body 5 can follow vertical direction and reciprocate the setting, body 5 has the connector, and connector department is provided with first flexible coupling pipe fitting, the connector can be provided with a plurality of, the connector can be but not limited to for the water inlet, delivery port or steam outlet, concretely, stove body 1 can include upper drum 19 and lower drum 20, the connector can set up on with upper drum 19 or lower drum 20, connector department is through setting up first flexible coupling pipe fitting, when body 5 vibrates along with stove body 1, first flexible coupling pipe fitting can carry out adaptive deformation, reduce the stress concentration of the junction between connector and the external pipeline department, avoid damaging. Of course, if the volumes of the upper drum 19 and the lower drum 20 are larger, the upper drum 19 and the lower drum 20 may be erected on the support frame 2, the connection port of the pipe body 5 may be disposed at the end of the pipe body 5, and the first flexible connection pipe may be disposed between the connection port of the pipe body 5 and the upper drum 19 or the lower drum 20, so as to reduce the influence of the vibration of the pipe body 5 on the upper drum 19 and the lower drum 20.

As an alternative implementation manner of the embodiment of the utility model, the shell 4 includes the flue gas inlet 6, the flue gas outlet 7 and the deflector 21, the flue gas inlet 6 and the flue gas outlet 7 are relatively disposed above the side portion of the shell 4, the deflector 21 is vertically disposed in the cavity of the shell 4, and the deflector 21 is blocked between the flue gas inlet 6 and the flue gas outlet 7, specifically, one or at least two of the deflectors 21 may be disposed, one end of the deflector 21 is connected with the shell 4, the other end of the deflector 21 is a free end and has an air flow space with the shell 4, the deflector 21 can form a U-shaped or S-shaped flow guiding route in the cavity of the shell 4, after the high temperature flue gas enters the shell 4 from the flue gas inlet 6, the high temperature flue gas can flow out from the flue gas outlet 7 after being wound along the flow guiding route formed by the deflector 21, so that after the high temperature flue gas enters the cavity of the shell 4, the cavity of the shell 4 can be gradually filled along the flow guiding route of the deflector 21, and the high temperature flue gas can be convenient for fully exchange heat with the tube body 5.

The smoke inlet 6 and the smoke outlet 7 are provided with the second flexible connecting pipe fitting 8, namely, when the furnace body 1 vibrates, the second connecting pipe fitting can be deformed adaptively, so that the influence of the vibration of the furnace body 1 on a smoke passage is reduced. And the flue gas inlet 6 is provided with the filter 9, so that the high-temperature flue gas is filtered and dedusted before entering the inner cavity of the furnace body 1, the dust content of the flue gas in the inner cavity of the furnace body 1 is greatly reduced, and the ash falling in the furnace body 1 is further reduced.

Wherein the first and second flexible connection pipe fittings 8 may be, but are not limited to, copper hoses or rubber hoses. The filter element 9 may be, but is not limited to, a screen or a dry filter, which is capable of greatly reducing the dust content of the flue gas.

Referring to fig. 4, as an alternative implementation manner of the embodiment of the present utility model, a plurality of protruding portions 10 are provided inside the pipe body 5 along the length direction of the pipe body 5, and the protruding portions 10 may be, but not limited to, block or wave, and may play a role in exciting water flow in the pipe body 5, so that the water flow can vibrate to bring the pipe body 5 into vibration, play a certain vibration ash cleaning effect, and also increase the contact area between the water flow and the inner wall of the pipe body 5, and improve the heat exchange effect. The bellying 10 is hollow structure, and the circumference of bellying 10 is provided with a plurality of through-holes 11 that are used for supplying water flow to pass through, and the through-hole 11 inflow of one side of bellying 10 can be followed to the rivers, and after gyration in the inner chamber of bellying 10, can follow the through-hole 11 outflow of the opposite side of bellying 10, can further increase the rivers vibration in the body 5, and then take body 5 vibration, improves vibration deashing effect.

Wherein, through holes 11 on the protruding part 10 can be unevenly and randomly distributed, and the water inlet side can be provided with a small number, and the water storage side can be provided with a large number, or, the aperture of through holes 11 on the water inlet side can be larger than that of through holes 11 on the water outlet side, so that the water flow vibration effect in the pipe body 5 can be increased.

As an alternative implementation of the embodiment of the utility model, the inner side wall of the shell 4 and/or the outer side wall of the tube body 5 are provided with a smooth coating circumferentially, which can greatly reduce the adhesion of soot, thereby reducing the accumulation of soot on the outer side wall of the tube body 5 and on the inner side wall of the shell 4. The material of the smooth coating of the shell 4 may be, but not limited to, graphite-based composite or cermet, and the material of the smooth coating of the tube body 5 may be, but not limited to, chromium nitride, graphite-based composite or cermet.

Referring to fig. 1 to 3, as an alternative implementation of the embodiment of the present utility model, the vibration assembly 3 includes an elastic member 12 and a vibration motor 13, wherein the elastic member 12 is disposed at an upper portion of the furnace body 1 and/or a lower portion of the furnace body 1, that is, the elastic member 12 can perform an upper lifting and/or a bottom supporting function on the furnace body 1, and the elastic member 12 can perform an elastic supporting function on the movement of the furnace body 1. The first end of elastic component 12 is connected with stove body 1, and the second end of stove body 1 is connected with support frame 2, all can be provided with the connection support position that supplies elastic component 12 to connect on the lateral wall of stove body 1 and the support frame 2 promptly, and at stove body 1 vibration motion in-process, each elastic component 12 not only can cushion support stove body 1, can also carry out adaptability elastic deformation according to the motion change of stove body 1. The vibrating motor 13 is arranged on the outer circumference of the furnace body 1, one or at least two vibrating motors 13 can be arranged, the furnace body 1 can be driven to vibrate, the shell 4 and the pipe body 5 are driven to vibrate synchronously, the pipe body 5 can vibrate through water flow agitation, the vibrating motor 13 can also drive vibration, the vibration amplitude of the shell 4 and the pipe body 5 is greatly increased, and dust accumulation in the inner cavity of the shell 4 is greatly reduced. The elastic member 12 may be, but not limited to, a high-strength spring or a high-strength elastic column, and it should be noted that, in the actual use process, in order to increase the supporting force to the furnace body 1, a boom may be disposed between the upper portion of the furnace body 1 and the supporting frame 2, and two ends of the boom may be hinged to the furnace body 1 and the supporting frame 2 respectively.

As an alternative implementation manner of the embodiment of the present utility model, the vibration assembly 3 further includes a transverse guiding mechanism 14 and a vertical guiding mechanism 15, the fixed end of the transverse guiding mechanism 14 is connected with the supporting frame 2, the fixed end of the vertical guiding mechanism 15 is connected with the moving end of the transverse guiding mechanism 14, and the moving end of the vertical guiding mechanism 15 is connected with the furnace body 1, so that the transverse guiding mechanism 14 and the vertical guiding mechanism 15 can be, but not limited to, a structure in which a sliding block and a guide rail base are matched or a lead screw nut structure, the sliding block or the nut can be regarded as the moving end of the corresponding guiding mechanism, the guide rail base or the lead screw base can be regarded as the fixed end of the corresponding guiding mechanism, the transverse guiding mechanism 14 is arranged along the horizontal transverse direction, and can support the supporting frame 2 for the transverse sliding of the vertical guiding mechanism 15 and the furnace body 1. The vertical guiding mechanism 15 is arranged along the vertical height direction, so that the furnace body 1 can be vertically lifted and slipped, the vertical guiding mechanism 15 and the transverse guiding mechanism 14 can be arranged in groups in a one-to-one correspondence manner, two groups or four groups of vertical guiding mechanisms 15 and transverse guiding mechanisms 14 can be oppositely arranged in the circumferential direction of the furnace body 1, the vertical guiding mechanism 15 and the transverse guiding mechanism 14 can be arranged according to actual needs, the vibration motion of the furnace body 1 can be guided, and the vibration amplitude of the furnace body 1 can be limited.

As an alternative implementation manner of the embodiment of the present utility model, the furnace body 1 further includes a support rod 16, the support rod 16 is supported between the pipe body 5 and the inner wall of the casing 4, the support rod 16 may be a thin rod structure, and the support rod 16 may be disposed at the lower portion of the pipe body 5 or the inner circumference of the casing 4, so that the support rod 16 can increase the connection contact between the pipe body 5 and the casing 4, so that vibration of the vibration motor 13 can be transferred to the pipe body 5 more, and the vibration amplitude of the pipe body 5 is improved.

As an alternative implementation manner of the embodiment of the utility model, the furnace body 1 further comprises one or at least two soot blowers 17, and the soot blowers 17 are distributed in the inner cavity of the shell 4, so that the soot blowers 17 can blow air between corners or the pipe bodies 5 in the inner cavity of the shell 4, and the accumulation of dust on the inner cavity of the shell 4 and the pipe bodies 5 can be greatly reduced, so that more falling discharge can be performed.

As an alternative implementation manner of the embodiment of the utility model, the lower part of the shell 4 is provided with the ash falling hopper 18, the ash falling hopper 18 is of an open conical structure with a big upper part and a small lower part, and one or at least two ash falling hoppers 18 can be arranged, so that dust falling from the inner cavity of the shell 4 and the pipe body 5 can be collected uniformly, and the dust can fall from the opening of the lower part of the ash falling hopper 18 and be discharged conveniently.

In the description of the present utility model, it is to be noted that, unless otherwise indicated, the meaning of "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood as appropriate by those of ordinary skill in the art.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims (10)

1. The utility model provides a steam exhaust-heat boiler, its characterized in that, includes stove body (1), support frame (2) and vibration subassembly (3), support frame (2) erect the outside of stove body (1), be connected between stove body (1) and the external pipeline for soft coupling, vibration subassembly (3) set up in stove body (1) with between support frame (2), vibration subassembly (3) can drive stove body (1) vibrate the deashing.

2. The steam exhaust-heat boiler according to claim 1, characterized in that the boiler body (1) comprises a housing (4) and a plurality of tube bodies (5), the tube bodies (5) are arranged in the inner cavity of the housing (4), the tube bodies (5) are provided with connecting ports, and the connecting ports are provided with first flexible connecting pipe fittings.

3. The steam exhaust-heat boiler according to claim 2, characterized in that the housing (4) comprises a flue gas inlet (6), a flue gas outlet (7) and a deflector (21), the flue gas inlet (6) and the flue gas outlet (7) are oppositely arranged above the side of the housing (4), the deflector (21) is vertically arranged in the inner cavity of the housing (4), the deflector (21) is blocked between the flue gas inlet (6) and the flue gas outlet (7), a second flexible connection pipe fitting (8) is arranged at the flue gas inlet (6) and the flue gas outlet (7), and a filter (9) is arranged at the flue gas inlet (6).

4. Steam exhaust-heat boiler according to claim 2, characterized in that the inside of the tube body (5) is provided with a plurality of protruding parts (10) along the length direction of the tube body (5), the protruding parts (10) are hollow structures, and the circumference of the protruding parts (10) is provided with a plurality of through holes (11) for water flow to pass through.

5. Steam exhaust-heat boiler according to claim 2, characterized in that the inner side wall of the housing (4) and/or the outer side wall of the tube body (5) is provided circumferentially with a smooth coating for reducing soot adhesion.

6. Steam exhaust-heat boiler according to claim 1, characterized in that the vibration assembly (3) comprises an elastic member (12) and a vibration motor (13), the elastic member (12) is arranged at the upper part of the boiler body (1) and/or at the lower part of the boiler body (1), the first end of the elastic member (12) is connected with the boiler body (1), the second end of the boiler body (1) is connected with the supporting frame (2), and the vibration motor (13) is arranged at the outer circumference of the boiler body (1).

7. Steam exhaust-heat boiler according to claim 1, characterized in that the vibration assembly (3) further comprises a transverse guiding mechanism (14) and a vertical guiding mechanism (15), the fixed end of the transverse guiding mechanism (14) is connected with the support frame (2), the fixed end of the vertical guiding mechanism (15) is connected with the moving end of the transverse guiding mechanism (14), and the moving end of the vertical guiding mechanism (15) is connected with the furnace body (1).

8. The steam exhaust-heat boiler according to claim 2, characterized in that the boiler body (1) further comprises a support rod (16), the support rod (16) being supported in an erect manner between the tube body (5) and the inner wall of the housing (4).

9. Steam exhaust-heat boiler according to claim 2, characterized in that the furnace body (1) further comprises one or at least two soot blowers (17), which soot blowers (17) are arranged distributed in the inner cavity of the housing (4).

10. Steam exhaust-heat boiler according to claim 2, characterized in that the lower part of the housing (4) is provided with an ash falling hopper (18), the ash falling hopper (18) is of an open conical structure with a large upper part and a small lower part.

Images