CN210241611U

CN210241611U - Ash discharging and dust removing structure for slag storehouse based on power plant boiler dust raising prevention

Info

Publication number: CN210241611U
Application number: CN201921193715.8U
Authority: CN
Inventors: Weide Guan; 关伟德; Weiye Guan; 关伟业
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-04-03
Anticipated expiration: 2029-07-26

Abstract

The utility model provides a slag storehouse ash discharging and dust removing structure based on the dust raising prevention of a power plant boiler, which comprises a spray pipe, a spray nozzle and a water inlet pipe; the outer sides of the first circular pipe and the second circular pipe are fixedly connected with a water inlet pipe communicated with the inner side cavity. The setting of spray pipe, be favorable to improving dust fall effect, when unloading the ash in-process and need the dust fall, open outside valve and make water pass through the inlet tube and get into in the cavity of a ring pipe and No. two ring pipe insides, then these water can continue to get into the spray pipe and spout outward through the fog nozzle, because the fog nozzle is the slope installation, from the top down spun water smoke is the pyramid shape and increases in proper order, the fog nozzle of cooperation top and both sides can further improve the spraying coverage, so the dust that produces is just fallen out to spun water smoke contact furnace dust that falls out with the bottom and spouts the dust that splashes out, and spray pipe and fog nozzle do not directly contact with the furnace dust, consequently also can reduce the jam speed, and can also improve dust fall effect greatly.

Description

Ash discharging and dust removing structure for slag storehouse based on power plant boiler dust raising prevention

Technical Field

The utility model belongs to the technical field of the environmental protection equipment, more specifically say, in particular to sediment storehouse ash discharging and dust removing structure based on raise dust is prevented to power plant's boiler.

Background

At present, a plurality of thermal power plants are arranged in China, and due to technical and economic reasons of technological processes and construction of the thermal power plants, the longitudinal layout trend of the thermal power plants is mostly boiler → slag warehouse (in the same area with a boiler outlet flue) → large dust collector (electric dust removal or filter bag dust removal) → environmental-friendly post-treatment → chimney discharge, slag generated after coal burning of the boiler is directly input into the slag warehouse through relatively simple equipment such as a simple chain scraper after primary crushing due to high temperature and thick particles, and the position of the slag warehouse is close to the boiler flue gas outlet flue. Slag (containing a large amount of fly ash) collected in the slag warehouse is loaded into an automobile and transported away through a bulk loader at the bottom of the slag warehouse, and when the slag falls into the automobile, more dust is generated, so that dust is required to be reduced.

For example, the patent with the application number of CN201821737749.4 discloses a blast furnace dust removal ash discharging bin ash discharging port spraying device, and belongs to the technical field of blast furnace dust removal environment-friendly equipment in the metallurgical industry. The technical scheme is as follows: contain annular pipe one (1), annular pipe two (2), air intake (3), water inlet (4) and connecting pipe (5), the diameter of annular pipe one (1) is greater than the diameter of annular pipe two (2), annular pipe one (1) and annular pipe two (2) are arranged with the centre of a circle, annular pipe one (1) and annular pipe two (2) are connected through connecting pipe (5), evenly arrange a plurality of hole for water sprayings on annular pipe one (1) and annular pipe two (2), be equipped with air intake (3) and water inlet (4) on annular pipe one (1). The utility model has the advantages that: simple structure, the installation of being convenient for, dry ash and spray water direct contact when putting the ash can not produce the raise dust, accord with the environmental protection requirement, improve the site environment when putting the ash.

Based on the above search, the above patent combines most dust removing structures of ash discharging openings in the prior art, and has the following problems in use: present dust unloading mouth dust removal structure all is a water spray ring of installing in dust unloading mouth bottom, can strike the top at water spray ring at ash falling in-process stove ash, though the nozzle setting can not be by direct jam in the bottom of water spray ring, but so still block up easily because being close to the dust source, and the stove ash can be with the most absorption of just spun water smoke when falling down in addition, the water smoke volume that can spill is very little, this dust fall is carried out to the dust that splashes in the car just unable to fall into the stove ash, the dust fall effect is relatively poor.

Therefore, in view of the above, research and improvement are made for the existing structure and defects, and a dust discharging and removing structure for a slag warehouse based on dust raising prevention of a power plant boiler is provided, so as to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a sediment storehouse dust removal structure that unloads based on power plant's boiler prevents raise dust, all be a water spray ring of installing in the ash unloading mouth bottom in order to solve present ash unloading mouth dust removal structure, the top at water spray ring can be strikeed to ash in-process stove ash falling, although the nozzle setting can not be blockked up by directly in water spray ring's bottom, but so still block up easily because being close to the dust source, and the stove ash can absorb just spun water smoke most when falling down, the water smoke volume that can spill is very little, this just can't fall into the dust that splashes in the car to the stove ash and carry out the dust fall, the relatively poor problem of dust fall effect.

The utility model discloses the purpose and the efficiency of sediment storehouse ash discharging dust removal structure based on raise dust is prevented to power boiler are reached by following concrete technological means:

a dust discharging and removing structure of a slag warehouse based on dust raising prevention of a power plant boiler comprises a slag warehouse dust discharging nozzle, a first ring pipe, a spray pipe mounting seat, a ring pipe connecting plate, a second ring pipe, a spray nozzle and a water inlet pipe; two ring pipe connecting plates are fixedly and symmetrically arranged on one sides of the first ring pipe and the second ring pipe, and the first ring pipe and the second ring pipe are fixedly arranged on the outer side of the ash discharging nozzle of the slag warehouse through the ring pipe connecting plates; the outer sides of the first ring pipe and the second ring pipe are fixedly provided with three spray pipe mounting seats; a spray pipe is fixedly arranged on the outer side of each spray pipe mounting seat, and a plurality of spray nozzles are fixedly arranged on the outer side of each spray pipe; the outer sides of the first circular pipe and the second circular pipe are fixedly connected with a water inlet pipe communicated with the inner side cavity.

Furthermore, the water spraying pipes are of downward bending structures, and the downward bending angles are all 60 degrees.

Furthermore, the spray nozzles on the outer side of the spray pipe are arranged on the top, the bottom, the left side and the right side of the spray pipe in an annular mode, and each row faces one direction.

Furthermore, the spray pipe is screwed on the spray pipe mounting seat through threads and is communicated with the cavities on the inner sides of the first circular pipe and the second circular pipe, and the spray pipe can be detached independently.

Furthermore, the ring pipe connecting plate on the first ring pipe can be clamped on the inner side of the ring pipe connecting plate on the second ring pipe after the first ring pipe and the second ring pipe are in butt joint with the outer side of the ash discharging nozzle of the slag storehouse, and can be fixedly connected after being screwed up through bolts.

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

the setting of spray pipe, be favorable to improving dust fall effect, when unloading the ash in-process and need the dust fall, open outside valve and make water pass through the inlet tube and get into in the cavity of a ring pipe and No. two ring pipe insides, then these water can continue to get into the spray pipe and spout outward through the fog nozzle, because the fog nozzle is the slope installation, from the top down spun water smoke is the pyramid shape and increases in proper order, the fog nozzle of cooperation top and both sides can further improve the spraying coverage, so the dust that produces is just fallen out to spun water smoke contact furnace dust that falls out with the bottom and spouts the dust that splashes out, and spray pipe and fog nozzle do not directly contact with the furnace dust, consequently also can reduce the jam speed, and can also improve dust fall effect greatly.

Drawings

Fig. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a schematic bottom view of the present invention.

Fig. 3 is a schematic diagram of the present invention in a partially enlarged structure shown in fig. 1.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a slag storage ash discharge nozzle; 2. a first ring pipe; 3. a spray pipe mounting seat; 4. a ring pipe connecting plate; 5. a second ring pipe; 6. a water spray pipe; 7. a spray nozzle; 8. and (4) a water inlet pipe.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships 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 being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. 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 invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 3:

the utility model provides a slag storehouse ash discharging and dust removing structure based on the dust raising prevention of a power plant boiler, which comprises a slag storehouse ash discharging nozzle 1, a first ring pipe 2, a spray pipe mounting seat 3, a ring pipe connecting plate 4, a second ring pipe 5, a spray pipe 6, a spray nozzle 7 and a water inlet pipe 8; two ring pipe connecting plates 4 are fixedly and symmetrically arranged on one sides of the first ring pipe 2 and the second ring pipe 5, and the first ring pipe 2 and the second ring pipe 5 are fixedly arranged on the outer side of the ash discharging nozzle 1 of the slag storehouse through the ring pipe connecting plates 4; the outer sides of the first ring pipe 2 and the second ring pipe 5 are fixedly provided with three spray pipe mounting seats 3; a spray pipe 6 is fixedly arranged on the outer side of each spray pipe mounting seat 3, and a plurality of spray nozzles 7 are fixedly arranged on the outer side of each spray pipe 6; the outer sides of the first ring pipe 2 and the second ring pipe 5 are fixedly connected with a water inlet pipe 8 communicated with the inner side cavity.

The water spray pipes 6 are of downward bending structures, the downward bending angles are 60 degrees, the spray nozzles 7 are obliquely installed, water mist sprayed out from top to bottom is increased in a pyramid shape, and the spray nozzles 7 on the top and the two sides are matched to further improve the spray coverage, so that the sprayed water mist can better contact dust generated by furnace ash falling and dust splashed out from the bottom.

The spray nozzles 7 on the outer side of the spray pipe 6 are arranged at the top, the bottom and the left side and the right side of the spray pipe 6 in an annular mode, each row faces one direction, the spray nozzles 7 are obliquely arranged, water mist sprayed out from top to bottom is increased in a pyramid shape, and the spray coverage range can be further improved by matching the spray nozzles 7 on the top and the two sides, so that the sprayed water mist can better contact dust generated by furnace dust just falling off and dust splashed out from the bottom.

Wherein, spray pipe 6 is screwed on spray pipe mount pad 3 through the screw thread and is linked together with the inboard cavity of a ring canal 2 and No. two ring canals 5, can dismantle alone, can directly unscrew spray pipe 6 rotation when atomizer 7 has slight jam to clear up, then washs atomizer 7, need not the dismounting device whole, and is more convenient during the washing.

Wherein, No. one ring pipe 2 and No. two ring pipes 5 unload the ring canal connecting plate 4 on ring pipe 2 after the outside of ash mouth 1 docks in the sediment storehouse can block the inboard at the ring pipe connecting plate 4 on No. two ring pipes 5 to accessible bolt tightening back fixed connection, earlier put ring pipe 2 and No. two ring pipes 5 in the sediment storehouse and unload the both sides of ash mouth 1 and align ring pipe connecting plate 4 during the use, then it is fixed through the bolt tightening, so both can unload ash mouth 1 outside at the sediment storehouse with No. one ring pipe 2 and No. two ring pipe 5 zonulae occludens and install, simple to operate.

The specific use mode and function of the embodiment are as follows:

in the utility model, when the device is used, the first ring pipe 2 and the second ring pipe 5 are firstly placed on two sides of the ash discharging nozzle 1 of the slag storehouse and are aligned with the ring pipe connecting plate 4, and then the first ring pipe 2 and the second ring pipe 5 are screwed and fixed through bolts, so that the first ring pipe 2 and the second ring pipe 5 can be tightly connected and installed on the outer side of the ash discharging nozzle 1 of the slag storehouse, the water inlet pipe 8 is connected with the external water pipe and the valve, the water spray pipe 6 is screwed and installed on the outer sides of the six water spray pipe installation seats 3 through threads, when dust falling is needed in the ash discharging process, the external valve is opened to enable water to enter the cavity inside the first ring pipe 2 and the second ring pipe 5 through the water inlet pipe 8, then the water can continuously enter the water spray pipe 6 and is outwards sprayed through the spray nozzles 7, because the spray nozzles 7 are obliquely installed, the water mist sprayed from top to bottom is in a pyramid shape and is sequentially increased, the spray nozzles 7 matched with the top, so spun water smoke can be better contact furnace dust just fall out the dust that produces and the bottom splash the dust to spray pipe 6 and atomizer 7 are not direct and the furnace dust contacts, consequently also can reduce the jam speed, and can also improve the dust fall effect greatly, can directly twist off spray pipe 6 rotation when atomizer 7 has slight jam to need clear up, then wash atomizer 7, need not the dismounting device wholly, it is more convenient during the washing.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a sediment storehouse unloads grey dust removal structure based on raise dust is prevented to power boiler which characterized in that: the ash discharging and dedusting structure of the slag warehouse based on the dust raising prevention of the power plant boiler comprises an ash discharging nozzle (1), a first ring pipe (2), a spray pipe mounting seat (3), a ring pipe connecting plate (4), a second ring pipe (5), a spray pipe (6), a spray nozzle (7) and a water inlet pipe (8); two ring pipe connecting plates (4) are fixedly and symmetrically arranged on one sides of the first ring pipe (2) and the second ring pipe (5), and the first ring pipe (2) and the second ring pipe (5) are fixedly arranged on the outer side of the ash discharging nozzle (1) of the slag warehouse through the ring pipe connecting plates (4); the outer sides of the first ring pipe (2) and the second ring pipe (5) are fixedly provided with three spray pipe mounting seats (3); a spray pipe (6) is fixedly arranged on the outer side of each spray pipe mounting seat (3), and a plurality of spray nozzles (7) are fixedly arranged on the outer side of each spray pipe (6); the outer sides of the first circular pipe (2) and the second circular pipe (5) are fixedly connected with a water inlet pipe (8) communicated with the inner cavity.

2. The ash discharging and dedusting structure of the slag warehouse based on the dust raising prevention of the power plant boiler in claim 1 is characterized in that: the water spray pipes (6) are all of downward bending type structures, and the downward bending angles are all 60 degrees.

3. The ash discharging and dedusting structure of the slag warehouse based on the dust raising prevention of the power plant boiler in claim 1 is characterized in that: the spray nozzles (7) on the outer side of the spray pipe (6) are annularly arranged at the top, the bottom, the left side and the right side of the spray pipe (6), and each row faces to one direction.

4. The ash discharging and dedusting structure of the slag warehouse based on the dust raising prevention of the power plant boiler in claim 1 is characterized in that: the spray pipe (6) is screwed on the spray pipe mounting seat (3) through threads and communicated with the cavities at the inner sides of the first circular pipe (2) and the second circular pipe (5), and can be detached independently.

5. The ash discharging and dedusting structure of the slag warehouse based on the dust raising prevention of the power plant boiler in claim 1 is characterized in that: no. one ring pipe (2) and No. two ring pipes (5) unload the outside of ash mouth (1) and dock the inboard that ring pipe connecting plate (4) on No. two ring pipes (2) can block ring pipe connecting plate (4) on No. two ring pipes (5) in the sediment storehouse to accessible bolt is screwed up back fixed connection.