CN214198709U

CN214198709U - Prevent disclosing reef mouth structure of liquid row sediment boiler knot reef

Info

Publication number: CN214198709U
Application number: CN202023212128.4U
Authority: CN
Inventors: 王召明; 陆剑飞; 矫健; 曹旭; 胡介旭; 罗东; 李雷民
Original assignee: Huaneng Beijing Thermal Power Co Ltd
Current assignee: Huaneng Beijing Thermal Power Co Ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-09-14
Anticipated expiration: 2030-12-28

Abstract

The embodiment of the utility model provides a poke reef mouth structure for preventing liquid slag discharging boiler from forming reef, a poke reef mouth wall plate is welded on the outer wall of the slag chamber of the liquid slag discharging boiler, and an inlet matched with a manhole is arranged on the poke reef mouth wall plate; the reef poking opening door plate is connected with the reef poking opening wall plate through a hinge; a first rectangular ring groove and a second rectangular ring groove which are coaxial are formed in the reef poking opening door plate; the first sealing packing is embedded in the first rectangular ring groove; the second sealing packing is embedded in the second rectangular ring groove; the positions of the second bolt holes correspond to the positions of the first bolt holes one by one, and the first bolt holes and the second bolt holes are matched with the sealing bolts; when the barrel reef opening door plate is buckled on the barrel reef opening wall plate, a comb tooth structure is formed among the barrel reef opening door plate, the first sealing packing, the second sealing packing and the barrel reef opening wall plate, and a gap between the barrel reef opening door plate and the barrel reef opening wall plate is sealed; the sealing bolt sequentially penetrates through the first bolt hole and the second bolt hole, and the reef poking opening door plate is fastened on the reef poking opening wall plate.

Description

Prevent disclosing reef mouth structure of liquid row sediment boiler knot reef

Technical Field

The utility model relates to a arrange sediment boiler technical field particularly, relate to a prevent that reef poking mouth structure of liquid row sediment boiler knot reef.

Background

During the operation of the slag tapping boiler, due to the reasons of fuel change, combustion adjustment and the like, the situation of unsmooth slag tapping often occurs, even the slag tapping hole is completely blocked in serious cases, and only the furnace shutdown treatment is performed in the situation. The mode of processing is, with boiler ventilation cooling, later, wait that furnace temperature reduces, the staff gets into the boiler from the slag runner of opposite side, the long-pending sediment clean up of the slag runner that will block up and transport away, but because the in-process of boiler cooling, liquid slag can form the solid, makes staff's clearance work load very big, and use the instrument, be unfavorable for the safety of heat-transfer surface, therefore, not only the time of blowing out the clearance is very long, and the direct and indirect economic loss who causes is all very big.

Therefore, for the slag tapping boiler, on one hand, the quality of the coal as fired is ensured, the selected coal as fired has low sulfur content and low ash liquefaction temperature; on the other hand, it is important to increase the temperature near the slag discharge port as much as possible to prevent the entry of low-temperature air outside the furnace. The design of poking the reef mouth has very important effect to improving near the temperature of flowing slag mouth, and the poking reef mouth among the prior art is unfavorable for improving near the temperature of flowing slag mouth because sealing performance is not good, has just also improved the probability of blowing out the clearance flowing slag, has increased the economic loss of power plant.

SUMMERY OF THE UTILITY MODEL

The present specification provides a reef poking port structure for preventing liquid slag discharging boiler from forming reef, which is used for overcoming at least one technical problem existing in the prior art.

According to the embodiment of the specification, a reef poking port structure for preventing a liquid slag discharging boiler from forming reefs is provided, and is applied to the liquid slag discharging boiler, and comprises a manhole, a reef poking port wall plate, a reef poking port door plate, a first sealing packing, a second sealing packing and a plurality of sealing bolts; wherein:

the manhole is formed in the slag chamber of the liquid slag discharging boiler; the reef poking opening wall plate is welded on the outer wall of the slag chamber of the slag tapping boiler, and an inlet matched with the manhole is formed in the reef poking opening wall plate; the reef poking opening door plate is connected with the reef poking opening wall plate through a hinge; the inner side surface of the poking reef opening door plate is provided with a first rectangular ring groove and a second rectangular ring groove which are coaxial; the first sealing packing is embedded in the first rectangular ring groove; the second sealing packing is embedded in the second rectangular ring groove; a plurality of first bolt holes are formed in the reef poking opening door plate and are matched with the sealing bolts; a plurality of second bolt holes are formed in the barrel mouth wall plate, the positions of the second bolt holes correspond to the positions of the first bolt holes one by one, and the second bolt holes are matched with the sealing bolts;

when the barrel reef opening door plate is buckled on the barrel reef opening wall plate, a comb tooth structure is formed among the barrel reef opening door plate, the first sealing packing, the second sealing packing and the barrel reef opening wall plate, and a gap between the barrel reef opening door plate and the barrel reef opening wall plate is sealed; sealing bolt wears to establish in proper order first bolt hole, second bolt hole will disclose reef mouthful door board fastening in disclose on the reef mouthful wallboard.

Optionally, the first sealing packing and the second sealing packing are made of high-temperature-resistant materials.

Optionally, the material of the poking reef opening door plate is carbon steel.

Optionally, the number of sealing bolt, first bolt hole, second bolt hole is two, two first bolt hole is seted up respectively poking reef mouthful door plant and keeping away from on two angles of hinge.

Optionally, the first and second rectangular ring grooves are coaxial with the inlet.

The beneficial effects of the embodiment of the specification are as follows:

adopt disclose reef mouthful wallboard and disclose reef mouthful door plate combined disclose reef mouth structure, to disclose reef mouthful wallboard weld on the slag chamber outer wall, disclose reef mouthful door plate and disclose between the reef mouthful wallboard rotate through the door-hinge and realize opening and shutting, utilize disclose sealed packing on the reef mouthful door plate and disclose forming broach structure between the reef mouthful wallboard, to disclosing the gap between reef mouthful wallboard and disclosing the reef mouthful door plate seal, can effectively prevent the inside hot flue gas of boiler and leak outward, the low temperature air that has also avoided outside the stove gets into, and utilize sealed bolt to further reduce the gap, improve the leakproofness of disclosing the reef mouth, and then improve the temperature of flowing the slag mouth, be favorable to arranging the sediment, reduce economic loss, and this disclose reef mouth structural equipment simple, the investment cost is low.

The innovation points of the embodiment of the specification comprise:

1. in this embodiment, adopt and disclose reef mouthful wallboard and disclose reef mouthful door plant and combine to disclose reef mouthful structure, will disclose reef mouthful wallboard and weld on the slag chamber outer wall, disclose between reef mouthful door plant and disclose the reef mouthful wallboard and rotate through the door-hinge and realize opening and shutting, be one of the innovation point of this specification embodiment.

2. In this embodiment, utilize disclosing the sealed packing on the reef mouthful door board and disclosing and form the broach structure between the reef mouthful wallboard, seal disclosing the reef mouthful wallboard and disclosing the clearance between the reef mouthful door board, can effectively prevent that the inside hot flue gas of boiler from leaking outward, also avoided the low temperature air admission outside the stove, be one of the innovation point of this specification embodiment.

3. In this embodiment, utilize sealing bolt further to reduce the gap, improve the leakproofness of disclosing the reef mouth, and then improve the temperature of flowing the sediment mouth, be favorable to arranging the sediment, reduce economic loss, be one of the innovation point of this description embodiment.

4. In the embodiment, the reef poking opening is simple in structure and equipment and low in investment cost, and is one of innovation points of the embodiment of the specification.

Drawings

In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a reef poking port structure for preventing reef agglomeration of a slag tapping boiler provided in an embodiment of the present disclosure applied to the slag tapping boiler;

fig. 2 is a partial sectional view of a reef-poking port structure for preventing reef agglomeration of a slag tapping boiler provided in an embodiment of the present disclosure, applied to the slag tapping boiler;

FIG. 3 is an inside view of a barrel mouth door panel of a barrel mouth structure for preventing liquid slag removal boiler from forming a reef in an embodiment of the present disclosure;

in the figure, 1 is a slag tapping boiler, 2 is a manhole, 3 is a reef poking opening wall plate, 4 is a reef poking opening door plate, 5 is a first sealing packing, 6 is a second sealing packing, 7 is a sealing bolt, 8 is an inlet, 9 is a hinge and 10 is a first bolt hole.

Detailed Description

The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are only some embodiments of the present disclosure, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.

It should be noted that the terms "including" and "having" and any variations thereof in the embodiments of the present specification and the drawings are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

The embodiment of the specification discloses a poking reef port structure for preventing liquid slag discharging boiler from forming reefs. The following are detailed below.

Poking reef mouth structure be applied to on the slag tapping boiler 1, figure 2, figure 3 do respectively the embodiment of the utility model provides a prevent that the structure of poking reef mouth structure of slag tapping boiler knot reef is applied to the structure schematic diagram of slag tapping boiler, local cross-sectional view and poking the inboard side view of reef mouth door plant, combine figure 1, figure 2 and figure 3 shown:

the reef poking port structure comprises a manhole 2, a reef poking port wall plate 3, a reef poking port door plate 4, a first sealing packing 5, a second sealing packing 6 and a plurality of sealing bolts 7; the manhole 2 is arranged on a slag chamber of the liquid slag discharging boiler 1; the reef poking opening wall plate 3 is welded on the outer wall of the slag chamber of the slag tapping boiler 1, and an inlet 8 matched with the manhole 2 is formed in the reef poking opening wall plate 3; the barrel reef opening door plate 4 is connected with the barrel reef opening wall plate 3 through a hinge 9; a first rectangular ring groove (not shown in the figure) and a second rectangular ring groove (not shown in the figure) which are coaxial are formed in the inner side surface of the poking reef opening door plate 4; the first sealing packing 5 is embedded in the first rectangular ring groove; the second sealing packing 6 is embedded in the second rectangular ring groove; a plurality of first bolt holes 10 are formed in the barrel reef opening door plate 4, and the first bolt holes 10 are matched with the sealing bolts 7; a plurality of second bolt holes are formed in the barrel mouth wall plate 3, the positions of the second bolt holes correspond to the positions of the first bolt holes 10 one by one, and the second bolt holes are matched with the sealing bolts 7;

when the barrel-poking mouth door plate 4 is buckled on the barrel-poking mouth wall plate 3, a comb tooth structure is formed among the barrel-poking mouth door plate 4, the first sealing packing 5, the second sealing packing 6 and the barrel-poking mouth wall plate 3, and a gap between the barrel-poking mouth door plate 4 and the barrel-poking mouth wall plate 3 is sealed; the sealing bolt 7 sequentially penetrates through the first bolt hole 10 and the second bolt hole, and the poking reef opening door plate 4 is fastened on the poking reef opening wall plate 3.

The embodiment of the utility model provides an adopt disclose reef mouth wallboard 3 and disclose reef mouth door plate 4 phase separation disclose reef mouth structure, conveniently disclose opening and shutting of reef mouth, and utilize first sealed packing 5, the sealed packing 6 of second to disclose reef mouth wallboard 3 and disclose the clearance between reef mouth door plate 4 and carry out double sealing, the leakproofness of disclosing the reef mouth has been improved, and simultaneously, utilize sealed bolt to further reduce the gap, further improved the leakproofness of disclosing the reef mouth, the temperature of flowing slag mouth has been improved, be favorable to arranging the sediment operation, economic loss is reduced.

In detail, the manhole 2 is opened on the slag chamber of the slag tapping boiler 1, and provides an inlet for the staff of the slag flowing cleaning operation to enter the slag chamber of the slag tapping boiler 1. Disclose reef mouthful wallboard 3 welding on the slag chamber outer wall of slag tapping boiler 1, for disclosing reef mouthful door plant 4 and provide the lock fastening position, in addition, for the staff gets into in the slag chamber of slag tapping boiler 1, offer on disclosing the corresponding position of reef mouthful wallboard 3 with manhole 2 assorted import 8 for the staff can flow the sediment clearance operation in entering into slag chamber of slag tapping boiler 1 through import 8, manhole 2.

One side of poking the reef opening door plate 4 is connected on poking the reef opening wallboard 3 through hinge 9, realizes poking the rotation of reef opening door plate 4 and opens and shuts, conveniently pokes opening and shutting of reef opening. When the poking reef port door plate 4 is buckled on the poking reef port wall plate 3 through the hinge 9, a certain gap can exist between the poking reef port door plate 4 and the poking reef port wall plate 3 to cause the leakage of smoke, in order to avoid the leakage of hot smoke in a slag chamber, a first rectangular ring groove and a second rectangular ring groove are arranged on the inner side surface of the poking reef port door plate 4, the first rectangular ring groove and the second rectangular ring groove are preferably coaxial with the inlet 8 and are respectively embedded with a first sealing packing 5 and a second sealing packing 6, one end of the first sealing packing 5 is embedded in the first rectangular ring groove of the poking reef port door plate 4 and is fixedly connected with the poking reef port door plate 4, the other end of the first sealing packing 5 extends out of the first rectangular ring groove, when the poking reef port door plate 4 is buckled on the poking reef port wall plate 3, the other end of the first sealing packing 5 is abutted against the poking reef port wall plate 3 to seal the gap between the poking reef port door plate 4 and the poking reef port wall plate 3, for further guarantee to disclose the leakproofness of reef mouthful structure, still be provided with the sealed packing 6 of second, the same reason, the one end of the sealed packing 6 of second inlays to be established in the second rectangle annular of disclosing reef mouthful door plant 4, with disclosing reef mouthful door plant 4 fixed connection, the other end stretches out outside the second rectangle annular, when disclosing reef mouthful door plant 4 lock on disclosing reef mouthful wallboard 3, the other end of the sealed packing 6 of second also supports and leans on disclosing reef mouthful wallboard 3, make and disclose reef mouthful door plant 4, first sealed packing 5, form the broach structure between the sealed packing of second and the poking reef mouthful wallboard 3, carry out double sealing to disclosing the clearance between reef mouthful door plant 4 and the poking reef mouthful wallboard 3, avoid the indoor hot flue gas of sediment to leak outward, also avoid the outdoor low temperature air inflow of sediment, thereby guarantee that slag flowing mouthful department has higher temperature.

It should be noted and understood that the "inside surface" of the "inside surface of the barrel door panel 4" described above refers to the side surface of the barrel door panel 4 facing the barrel wall panel 3 when the barrel door panel 4 is snapped onto the barrel wall panel 3.

Further, in order to guarantee to disclose the leakproofness of reef mouth, need tightly support first sealed packing 5, the sealed packing 6 of second on disclosing reef mouth wallboard 3, for this reason, offer respectively on disclosing reef mouth wallboard 3, disclosing reef mouth door plate 4 with sealing bolt 7 assorted first bolt hole 10, the second bolt hole, will disclose reef mouth door plate 4 fastening lock on disclosing reef mouth wallboard 3 through a plurality of sealing bolt 7, make first sealed packing 5, the sealed packing 6 of second play better sealed effect. Preferably, the number of sealing bolt 7, first bolt hole 10, second bolt hole is two, two first bolt hole 10 is seted up respectively and is kept away from poking reef mouth door plant 4 on two angles of hinge 9, through poking reef mouth door plant 4 and keeping away from two angle fastenings of hinge 9 on poking reef mouth wallboard 3, alright reach better sealed effect, equipment is simpler, and it is more convenient to install and dismantle. When needing to open and disclose the reef mouth, only need to disclose sealing bolt 7 of two angles departments of reef mouth door plant 4 and dismantle, alright will disclose reef mouth door plant 4 and rotate through hinge 9 and open easy operation is swift.

In a specific embodiment, the first sealing packing 5 and the second sealing packing 6 are made of high temperature resistant materials, so that the first sealing packing 5 and the second sealing packing 6 can bear the higher temperature of the slag tapping boiler 1 and the poking reef opening wall plate 3; the material of disclosing reef mouthful door board 4 is the carbon steel, and performance range is wide, and is with low costs, has reduced the investment cost of equipment.

To sum up, the reef opening structure of disclosing of the liquid row of slag pot stove knot reef of this specification is disclosed, adopt to disclose reef opening wallboard and disclose the reef opening structure of disclosing that reef opening door plate combines, to disclose reef opening wallboard weld on the slag chamber outer wall, disclose reef opening door plate and disclose between the reef opening wallboard rotate through the door-hinge and realize opening and shutting, utilize disclosing the sealed packing on the reef opening door plate and disclosing and form the broach structure between the reef opening wallboard, seal disclosing the clearance between reef opening wallboard and disclosing the reef opening door plate, can effectively prevent the inside hot flue gas of boiler and leak outward, the low temperature air entering outside the stove has also been avoided, and utilize sealed bolt further to reduce the gap, improve the leakproofness of disclosing the reef opening, and then improve the temperature of slag runner, be favorable to arranging the sediment, reduce economic loss, and this reef opening structure equipment is simple, investment cost is low.

Those of ordinary skill in the art will understand that: the figures are schematic representations of one embodiment, and the blocks or processes in the figures are not necessarily required to practice the present invention.

Those of ordinary skill in the art will understand that: modules in the devices in the embodiments may be distributed in the devices in the embodiments according to the description of the embodiments, or may be located in one or more devices different from the embodiments with corresponding changes. The modules of the above embodiments may be combined into one module, or further split into multiple sub-modules.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims

1. A poke reef mouth structure for preventing liquid slag discharging boiler from forming reef is characterized in that the poke reef mouth structure is applied to the liquid slag discharging boiler and comprises a manhole, a poke reef mouth wall plate, a poke reef mouth door plate, a first sealing packing, a second sealing packing and a plurality of sealing bolts; wherein:

2. The poking reef mouth structure for preventing the liquid slag discharging boiler from forming the reef, according to claim 1, characterized in that the first sealing packing and the second sealing packing are made of high temperature resistant materials.

3. A barrel mouth structure for preventing liquid slag discharging boiler from forming reef according to claim 1, wherein the barrel mouth door plate is made of carbon steel.

4. The poking reef port structure for preventing liquid slag discharging boiler from forming reef according to claim 1, wherein the number of the sealing bolts, the number of the first bolt holes and the number of the second bolt holes are two, and the two first bolt holes are respectively formed in two corners of the poking reef port door plate, which are far away from the hinge.

5. The poking reef port structure for preventing the liquid slag discharging boiler from forming reef according to claim 1, wherein the first rectangular ring groove and the second rectangular ring groove are coaxial with the inlet.