CN217110613U - Spherical tank heat accumulator - Google Patents

Abstract

The utility model belongs to the technical field of steam utilization, and particularly provides a spherical tank heat accumulator, which comprises a spherical tank, a steam-water separation device, a pipeline heat exchange system and a pipeline supporting system, wherein the steam-water separation device, the pipeline heat exchange system and the pipeline supporting system are arranged in the spherical tank; the pipeline heat exchange system comprises a plurality of layers of circular pipes which are sequentially arranged from top to bottom, each layer of circular pipe is connected through an axial pipeline, the uppermost layer of circular pipe and the lowermost layer of circular pipe are respectively connected with an air inlet pipe, and a plurality of steam nozzles are arranged on the circular pipes; the pipeline supporting system comprises an upright post and a plurality of layers of supporting platforms which are sequentially arranged from top to bottom along the axial direction of the upright post, and a layer of ring pipe is fixedly arranged on each layer of supporting platform; the steam-water separation device is arranged at the upper part of the spherical tank; two air inlet pipes penetrate through the steam-water separation device and are connected with an air inlet at the top of the spherical tank. The utility model provides a demands such as atress and inflation shrinkage in the spherical tank can be adapted to well to spherical tank heat accumulator inner structure, have solved the technical problem that current spherical tank heat accumulator exists in the aspect of installation, maintenance and full play heat accumulator function.

Description

Spherical tank heat accumulator

Technical Field

The utility model belongs to the technical field of steam utilizes, concretely relates to spherical tank heat accumulator.

Background

Enterprises generally adopt waste heat recycling equipment to recycle waste heat generated in the process so as to generate low-pressure saturated steam and obtain better economic benefit. For the waste heat recovery system with intermittent production, because the production mode of steam is inconsistent with the use mode of steam in most cases, the recovered steam can be fully utilized only by adopting a heat storage mode. At present, commonly adopted variable-pressure steam heat accumulators are all cylindrical heat accumulators and are limited by manufacturing process, transportation conditions and the like, the diameter of a cylinder is generally not more than 3.4m, and the volume of the cylinder is not more than 200m ³ . In order to meet production requirements, a mode of using a plurality of cylindrical variable-pressure steam heat accumulators in parallel is often adopted to overcome the defect that the heat storage capacity of a single heat accumulator is small, and the parallel use of the variable-pressure steam cylindrical heat accumulators has the problems of complex system, various accessories, high equipment investment, large floor area, large overhaul and maintenance amount and the like, and cannot well meet the requirements of users, so that the spherical tank heat accumulators are available on the market. Compared with a cylindrical container, the spherical tank heat accumulator has the advantages of small occupied area, investment saving, large heat accumulation amount, system simplification and the like; compare with traditional heat accumulator, the inside atress situation of spherical tank heat accumulator is different, and the thermal energy that will consider is also different with the factor of cold shrink, and traditional cylindric heat accumulator inner structure and arrange though very ripe, but adaptation spherical tank heat accumulator that can not be fine for this the utility model provides a spherical tank heat accumulator, its inside structure can adapt to demands such as atress and expansion and contraction in the spherical tank well.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a technical problem that current spherical tank heat accumulator of purpose solution exists in the aspect of installation, maintenance and full play heat accumulator function.

Therefore, the utility model provides a spherical tank heat accumulator, include: the device comprises a spherical tank, and a steam-water separation device, a pipeline heat exchange system and a pipeline supporting system which are arranged in the spherical tank; the pipeline heat exchange system comprises a plurality of layers of circular pipes which are sequentially arranged from top to bottom, each layer of circular pipe is connected through an axial pipeline, the circular pipe on the uppermost layer and the circular pipe on the lowermost layer are respectively connected with an air inlet pipe, and a plurality of steam nozzles are arranged on the circular pipes; the pipeline supporting system comprises an upright post and a plurality of layers of supporting platforms which are sequentially arranged from top to bottom along the axial direction of the upright post, the supporting platforms correspond to the ring pipes one by one, and each layer of the supporting platform is fixedly provided with one layer of the ring pipe; the steam-water separation device is arranged at the upper part of the spherical tank; and the two air inlet pipes penetrate through the steam-water separation device and are connected with an air inlet at the top of the spherical tank.

Specifically, each layer of the ring pipe is composed of a plurality of concentric circular pipes, and the concentric circular pipes are connected through radial pipelines.

Specifically, the pipeline heat exchange system further comprises a flow guide device, and the flow guide device is arranged on the periphery of the plurality of layers of the circular pipes.

Specifically, the support platform is a polygonal frame consisting of a plurality of radial beams and a plurality of circumferential beams; the ring pipe is fixed on the supporting platform through a sliding pipe clamp.

Specifically, the pipeline supporting system further comprises a fixed platform arranged above the upright post; the fixed platform is a polygonal frame consisting of a plurality of radial beams and a plurality of circumferential beams, one ends of the radial beams, far away from the upright posts, are flexibly connected with fixed supports, and the radial beams can relatively slide in the radial direction in mounting rings of the fixed supports; the fixed support is welded with the inner wall of the spherical tank.

Specifically, the steam-water separation device comprises a structural layer; the structural layer is a chamfered frustum-shaped frame structure; the bottom surface and each side surface inside the structural layer are covered with a flow equalizing pore plate to form a flow equalizing pore plate layer; the bottom surface and each side surface outside the structural layer are covered with a corrugated plate to form a corrugated plate layer; each side corrugated plate extends towards the inside of the structural layer along the top edge of the side corrugated plate and is in contact with the top edge of the corresponding side flow equalizing pore plate, and the structural layer is wrapped in the flow equalizing pore plate layer and the corrugated plate layer to form the inverted frustum-shaped steam-water separation device.

Specifically, the bottom of the steam-water separation device is provided with an access hole; and an access door for shielding is installed on the access hole.

Specifically, the intersection point of each side edge of the structural layer after extending downwards coincides with the sphere center of the spherical tank.

Specifically, the balloon tank heat accumulator further comprises a mounting bracket; the steam-water separation device is installed in the spherical tank through the mounting bracket.

Specifically, the steam-water separation device is provided with a mounting waist circular hole; the mounting bracket comprises a bracket body, a cushion pad, a pin shaft and a split pin, wherein the bracket body is provided with a connecting hole, and the pin shaft sequentially penetrates through the cushion pad, the connecting hole and the mounting waist circular hole and is matched with the split pin to realize detachable connection between the mounting bracket and the structural layer.

Compared with the prior art, the utility model has the advantages of it is following and beneficial effect:

the utility model provides an inside of the spherical tank heat accumulator is composed of a steam-water separation device, a pipeline heat exchange system and a pipeline supporting system which are suitable for the spherical tank, wherein the adopted steam-water separation device is integrally in an inverted frustum pyramid shape, the upper part is big and the lower part is small, and the extension lines of all the side edges are intersected with the sphere center of the spherical tank heat accumulator, so that the spherical tank heat accumulator is particularly suitable for the spherical tank heat accumulator; the bottom surface and the side surface are divided into a corrugated plate layer, a structural layer and a flow equalizing plate layer in the thickness direction, and steam and water can be well separated in the steam release process; the effective area of the steam-water separation device can be conveniently adjusted by adjusting the height of the prismatic table, and the requirements of the internal shape and the stress condition of the spherical tank heat accumulator can be well met; this catch water simple structure, it is with low costs, every is the plane, and the limit of every is perhaps the straight line, or is the standard circular arc, makes simply, and the batch production of being convenient for can dismantle with the help of installing support and spherical tank heat accumulator and be connected to set up the access hole in the bottom, be favorable to installation and follow-up maintenance. The adopted pipeline heat exchange system consists of layered ring pipes, so that the stability and reliability of the whole system in the heat exchange process can be ensured, and the heat exchange is uniform; the flow guide device arranged outside the ring pipe can be used for circulation exchange of water layers with different temperatures in the spherical tank, so that the heat exchange of the water layers with different depths is uniform, and the purposes of fully utilizing the volume of the spherical tank heat accumulator and ensuring the safety of equipment are achieved. The supporting platform in the pipeline supporting system consists of a plurality of radial beams and circumferential beams, and is particularly suitable for fixing the pipeline heat exchange system and adapting to pipeline thermal expansion. The radial beam of the fixed platform on the uppermost layer of the pipeline supporting system is placed in the mounting ring of the fixed support and can slide relatively in the radial direction, so that the fixed platform can well adapt to the thermal expansion characteristic of the spherical tank shell.

The present invention will be described in further detail with reference to the accompanying drawings.

Drawings

Fig. 1 is an internal structure schematic diagram of the spherical tank heat accumulator provided by the utility model.

Fig. 2 is a schematic diagram of a structure of a pipeline heat exchange system of the spherical tank heat accumulator provided by the utility model.

Fig. 3 is a schematic view of a pipeline structure in a pipeline heat exchange system of the spherical tank heat accumulator provided by the utility model.

Fig. 4 is a schematic structural view of a flow guide device in a pipeline heat exchange system of the spherical tank heat accumulator provided by the utility model.

Fig. 5 is a schematic structural diagram of a pipeline supporting system of the spherical tank heat accumulator provided by the utility model.

Fig. 6 is a schematic structural view of a fixing support of the spherical tank heat accumulator provided by the utility model.

Fig. 7 is a schematic structural diagram of a steam-water separation device of a spherical tank heat accumulator provided by the utility model.

Fig. 8 is a structural diagram of a steam-water separation device of a spherical tank heat accumulator according to the present invention.

Fig. 9 is a schematic structural view of a flow equalizing hole plate layer of the steam-water separation device of the spherical tank heat accumulator.

Fig. 10 is a schematic structural diagram of a corrugated plate layer of a steam-water separation device of a spherical tank heat accumulator provided by the present invention.

Fig. 11 is a schematic structural diagram of a mounting bracket of a steam-water separation device of a spherical tank heat accumulator according to the present invention.

Reference numerals: 100. a spherical tank; 101. an air inlet; 200. a steam-water separation device; 201. a structural layer; 202. a flow equalizing pore plate layer; 203. an access door; 204. a corrugated sheet layer; 205. a lateral edge; 206. mounting a waist circular hole; 300. a pipeline heat exchange system; 301. an air inlet pipe; 302. a ring pipe; 303. a radial conduit; 304. an axial conduit; 305. a flow guide device; 400. a pipeline support system; 401. a column; 402. a fixed platform; 403. a support platform; 500. fixing a bracket; 501. a mounting ring; 502. a fixing plate; 600. mounting a bracket; 601. a stent body; 602. a cushion pad; 603. a pin shaft; 604. and a cotter pin.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Although the representative embodiments of the present invention have been described in detail, those skilled in the art to which the present invention pertains will appreciate that various modifications and changes can be made to the present invention without departing from the scope of the present invention. Therefore, the scope of the present invention should not be limited to the embodiments, but should be defined by the appended claims and equivalents thereof.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

Referring to fig. 1, the utility model provides a spherical tank heat accumulator, include: the device comprises a spherical tank 100, and a steam-water separation device 200, a pipeline heat exchange system 300 and a pipeline support system 400 which are arranged in the spherical tank 100; the pipeline heat exchange system 300 comprises a plurality of layers of circular pipes 302 which are sequentially arranged from top to bottom, each layer of circular pipes 302 are connected through an axial pipeline 304, the uppermost layer and the lowermost layer of circular pipes 302 are respectively connected with an air inlet pipe 301, a plurality of steam nozzles are arranged on the circular pipes 302, the steam nozzles can be arranged in an axial symmetry manner, and when the pipeline heat exchange system 300 is used, the circular pipes 302 of the pipeline heat exchange system 300 are partially arranged in water; the pipeline supporting system 400 is used for supporting and fixing the pipeline heat exchange system 300, and comprises an upright column 401 and a plurality of layers of supporting platforms 403 which are sequentially arranged from top to bottom along the axial direction of the upright column 401, the supporting platforms 403 correspond to the circular pipes 302 one by one, and a layer of circular pipe 302 is fixedly arranged on each layer of supporting platform 403; the steam-water separation device 200 is arranged at the upper part of the spherical tank 100 and is positioned in a vapor phase space; the two air inlet pipes 301 penetrate through the steam-water separation device 200 and then are connected with the air inlet 101 at the top of the spherical tank 100.

The overall structure of the pipeline heat exchange system 300 is divided into a plurality of layers of circular pipes 302 from top to bottom, each layer of circular pipes 302 preferably comprises a plurality of concentric circular pipes as shown in fig. 3, radial pipelines are connected between every two circles of concentric circular pipes 303, and the layered circular shafts are symmetrically arranged, so that the stability and reliability of the whole system in the heat exchange process are ensured, and the heat exchange is uniform.

In order to ensure uniform heat exchange of water layers with different depths, the pipeline heat exchange system 300 further comprises a flow guide device 305 arranged at the periphery of the plurality of layers of circular pipes 302, as shown in fig. 2 and 4, the flow guide device 305 is arranged closely to the outer rings of all the circular pipes 302, circulation exchange of water layers with different temperatures in the spherical tank 100 is realized, the volume of the spherical tank 100 is fully utilized, and the safety of equipment is ensured.

The supporting platform 403 of the pipeline supporting system 400 can be designed as a polygonal frame composed of a plurality of radial beams and a plurality of circumferential beams as shown in fig. 5, and the collar 302 is fixed on the supporting platform 403 by a sliding pipe clamp, so that the pipeline heat exchanging system 300 can be installed and fixed while well adapting to the thermal expansion of the pipeline.

In order to facilitate installation and fixation of the pipeline supporting system 400 in the spherical tank 100, a fixed platform 402 is designed on the uppermost layer of the upright column 401, the structure of the fixed platform 402 can be the same as that of the supporting platform 403, and the fixed platform consists of a plurality of radial beams and a plurality of circumferential beams, one end of each radial beam, which is far away from the upright column 401, is flexibly connected with a fixed support 500, in a detailed embodiment, the structure of the fixed support 500 is as shown in fig. 6, and comprises a mounting ring 501 made of corrosion-resistant material in a surrounding manner and a fixed plate 502 fixed on the mounting ring 501, the fixed support 500 is welded on the inner wall of the spherical tank 100 through the fixed plate 502, and the radial beams of the fixed platform 402 are placed in the mounting ring 501 and can slide relatively in the radial direction, so that the fixed platform can well adapt to the thermal expansion characteristics of the shell of the spherical tank 100.

Referring to fig. 7 to 10, the steam-water separation device 200 used in the spherical tank heat accumulator of the present invention includes a structural layer 201 having a frame structure in the shape of a truncated pyramid. The bottom surface and each side surface inside the structural layer 201 are covered with a flow equalizing pore plate to form a flow equalizing pore plate layer 202; the bottom surface and each side surface of the outer part of the structural layer 201 are covered with a corrugated plate to form a corrugated plate layer 204; each side corrugated plate extends towards the inside of the structural layer 201 along the top edge of the side corrugated plate, and is in contact with the top edge of the corresponding side flow equalizing pore plate, so that the structural layer 201 is wrapped in the flow equalizing pore plate layer 202 and the corrugated plate layer 204, and the reversed frustum-shaped steam-water separation device 200 is formed. When in use, the steam-water separation device 200 is arranged in the vapor phase area in the spherical tank heat accumulator. The height of the chamfered frustum-shaped steam-water separator can be adjusted according to actual conditions, so that the effective area of the steam-water separator 200 can meet the use requirement.

In order to make the steam-water separation device 200 better fit with the spherical tank heat accumulator, the top edges of the side flow equalizing pore plates and the top edges of the side corrugated plates are both arc-shaped with the center of the sphere of the spherical tank 100 as the center of circle, and the arc can be matched with the spherical surface inside the spherical tank 100. As shown in fig. 8, the intersection point of each side edge 205 of the structural layer 201 extending downward coincides with the center of the sphere of the spherical tank 100.

Further, the bottom surface of the steam-water separation device 200 is provided with an access hole; install the access door 203 that shelters from on the access hole, after the catch water 200 comes into operation, other structures that are located catch water 200 below are overhauld and are maintained to the accessible access hole in spherical tank 100.

Further, a plurality of rib plates are arranged on the inner surface of the flow equalizing pore plate layer 202, which is not in contact with the structural layer 201, so that the strength and rigidity of the flow equalizing pore plate layer 202 are increased, the service life of the steam-water separation device 200 is prolonged, and preferably, the rib plates are arranged on the inner surface of the flow equalizing pore plate layer 202 in a criss-cross manner.

In a detailed embodiment, the side corrugated plates of the corrugated plate layer 204 include a corrugated plate frame and corrugated plate units embedded in the corrugated plate frame, which improves the stability of the corrugated plate layer 204.

Preferably, the bottom surface of the steam-water separation device 200 is a regular polygon, and the size of each side flow equalizing pore plate is equal to that of each side corrugated plate, so that batch production can be better realized.

In a preferred embodiment, the spherical tank heat accumulator further comprises a mounting bracket 600 for detachably connecting the spherical tank 100 and the steam-water separation device 200. Specifically, as shown in fig. 11, the mounting bracket 600 includes a bracket body 601, a cushion 602, a pin 603, and a cotter 604. The bracket body 601 is welded on the inner wall of the spherical tank 100, a connecting hole is formed in the bracket body 601, meanwhile, a mounting waist circular hole 206 is formed in the steam-water separation device 200, preferably, the top end of the side edge 205 of the structural layer 201 extends upwards for a predetermined distance, and the mounting waist circular hole 206 is formed in the top end of the side edge. The pin shaft 603 sequentially penetrates through the cushion 602, the connecting hole and the mounting waist circular hole 206 and is matched with the cotter pin 604 to realize detachable connection between the spherical tank 100 and the steam-water separation device 200, and the cushion 602 can reduce damage of vibration generated during operation of the device to an interface between the steam-water separation device 200 and the spherical tank 100 to realize flexible connection.

The above illustration is merely an illustration of the present invention, and does not limit the scope of the present invention, and all designs identical or similar to the present invention are within the scope of the present invention.

Claims (10)

1. A spherical tank heat accumulator, comprising: the device comprises a spherical tank (100), and a steam-water separation device (200), a pipeline heat exchange system (300) and a pipeline support system (400) which are arranged in the spherical tank (100); the pipeline heat exchange system (300) comprises a plurality of layers of circular pipes (302) which are sequentially arranged from top to bottom, each layer of circular pipe (302) is connected through an axial pipeline (304), the circular pipe (302) at the uppermost layer and the circular pipe (302) at the lowermost layer are respectively connected with an air inlet pipe (301), and a plurality of steam nozzles are arranged on the circular pipes (302); the pipeline supporting system (400) comprises a vertical column (401) and a plurality of layers of supporting platforms (403) which are sequentially arranged from top to bottom along the axial direction of the vertical column (401), the supporting platforms (403) correspond to the ring pipes (302) one by one, and one layer of the ring pipe (302) is fixedly arranged on each layer of the supporting platform (403); the steam-water separation device (200) is arranged at the upper part of the spherical tank (100); the two air inlet pipes (301) penetrate through the steam-water separation device (200) and then are connected with the air inlet (101) at the top of the spherical tank (100).

2. The sphere tank heat accumulator of claim 1, wherein: each layer of the ring pipe (302) is composed of a plurality of concentric circular pipes, and the concentric circular pipes are connected through radial pipes (303).

3. The spherical tank heat accumulator of claim 1, wherein: the pipeline heat exchange system (300) further comprises a flow guide device (305), and the flow guide device (305) is arranged on the periphery of the plurality of layers of the ring pipes (302).

4. The spherical tank heat accumulator of claim 1, wherein: the supporting platform (403) is a polygonal frame consisting of a plurality of radial beams and a plurality of circumferential beams; the collar (302) is fixed on the support platform (403) by a sliding pipe clamp.

5. The spherical tank heat accumulator of claim 1, wherein: the pipeline supporting system (400) further comprises a fixed platform (402) arranged above the upright column (401); the fixed platform (402) is a polygonal frame consisting of a plurality of radial beams and a plurality of circumferential beams, one end, far away from the upright column (401), of each radial beam of the fixed platform (402) is flexibly connected with a fixed support (500), and the radial beams of the fixed platform (402) can relatively slide in the radial direction in a mounting ring (501) of the fixed support (500); the fixed support (500) is welded with the inner wall of the spherical tank (100).

6. The spherical tank heat accumulator of claim 1, wherein: the steam-water separation device (200) comprises a structural layer (201); the structural layer (201) is a reversed frustum-shaped frame structure; the bottom surface and each side surface in the structural layer (201) are covered with a flow equalizing pore plate to form a flow equalizing pore plate layer (202); the bottom surface and each side surface of the outer part of the structural layer (201) are covered with a corrugated plate to form a corrugated plate layer (204); each side corrugated plate extends towards the inside of the structural layer (201) along the top edge of the side corrugated plate, and is in contact with the top edge of the corresponding side flow equalizing pore plate, so that the structural layer (201) is wrapped in the flow equalizing pore plate layer (202) and the corrugated plate layer (204), and the inverted frustum-shaped steam-water separation device (200) is formed.

7. The spherical tank heat accumulator of claim 6, wherein: the bottom of the steam-water separation device (200) is provided with an access hole; an access door (203) for shielding is installed on the access hole.

8. The spherical tank heat accumulator of claim 6, wherein: the intersection point of each side edge (205) of the structural layer (201) after extending downwards is superposed with the sphere center of the spherical tank (100).

9. The spherical tank heat accumulator of claim 1, wherein: further comprising a mounting bracket (600); the steam-water separation device (200) is installed in the spherical tank (100) through the installation bracket (600).

10. The spherical tank heat accumulator of claim 9, wherein: the steam-water separation device (200) is provided with a mounting waist round hole (206); installing support (600) includes support body (601), blotter (602), round pin axle (603), split pin (604), set up the connecting hole on support body (601), round pin axle (603) pass blotter (602), connecting hole and installation waist round hole (206) in proper order to with split pin (604) cooperation, realize the dismantlement between installing support (600) and catch water (200) and be connected.

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