CN109631001B - Manhole mechanism of film wall waste heat boiler - Google Patents
Manhole mechanism of film wall waste heat boiler Download PDFInfo
- Publication number
- CN109631001B CN109631001B CN201811600186.9A CN201811600186A CN109631001B CN 109631001 B CN109631001 B CN 109631001B CN 201811600186 A CN201811600186 A CN 201811600186A CN 109631001 B CN109631001 B CN 109631001B
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- Prior art keywords
- manhole
- cover
- wall
- locking
- plate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002918 waste heat Substances 0.000 title claims abstract description 27
- 230000000903 blocking effect Effects 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 claims description 34
- 239000012528 membrane Substances 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000005266 casting Methods 0.000 claims description 4
- 239000011819 refractory material Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- 238000005452 bending Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/10—Water tubes; Accessories therefor
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Sewage (AREA)
Abstract
The invention discloses a manhole mechanism of a film wall waste heat boiler, which comprises: an orifice mounting assembly, the orifice mounting assembly comprising: the wall guard board is blocked around the end part of the wall, and the support plate on the wall guard board encloses the outer port of the manhole; the outer port lid is equipped with the manhole cover, and the manhole cover includes: the cover body is fixedly arranged on the cover plate; the outside of manhole cover is provided with manhole cover locking mechanism, and the structure includes: the screw rod is arranged in the threaded sleeve, the upper side and the lower side of the threaded sleeve are respectively fixedly connected with a locking cover support, the cover plate is supported on the locking cover support, the locking cover supports on the upper side and the lower side are hinged on the hinge shaft, the other end of the locking cover support is provided with a blocking part with a clamping groove, the locking shaft can rotate to the outer side of the blocking part, the rotating screw rod can drive the cover plate to press the end part of the cover plate, and the clamping groove on the blocking part is tightly blocked on the locking shaft. The invention has the advantages that: the locking mechanism is simple and ingenious and the locking is reliable.
Description
Technical Field
The invention relates to the technical field of membrane wall waste heat boilers, in particular to a manhole mechanism of a membrane wall boiler.
Background
The membrane wall waste heat boiler, in particular to a nonferrous smelting membrane wall waste heat boiler, can generate the problem of dust accumulation in a hearth after a period of operation. In order to ensure that the boiler can safely and efficiently run, manholes are formed in the boiler generally, and workers enter the hearth through the manholes, so that cleaning, maintenance, fault treatment and the like are performed.
The manhole mechanism of the traditional film wall waste heat boiler comprises the following structures: and the membrane water-cooled wall is subjected to heat exchange and bending to form a manhole, a manhole wall body is poured around the outer wall of the manhole, and a manhole cover is arranged at the outer end part of the manhole wall body.
The manhole mechanism of the traditional film wall waste heat boiler has the following defects: 1. the installation and locking structure of the manhole cover are complicated, and the opening and closing of the manhole cover are very troublesome. 2. The pouring material of manhole wall body can drop and make the water-cooled wall heat transfer return bend receive the damage.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the manhole mechanism of the film wall waste heat boiler is good in safety, simple in structure and convenient to open and close.
In order to solve the problems, the invention adopts the following technical scheme: manhole mechanism of diaphragm type wall exhaust-heat boiler includes: the heat exchange tube of diaphragm type wall is bent the entrance to a cave of formation, and the outer wall of entrance to a cave department pours the wall body all around and forms the manhole, fixedly on the wall body of manhole outer end, is provided with the drill way installation component, and drill way installation component includes: a wall guard plate is fixedly blocked around the end part of the wall, a supporting plate is fixedly arranged on the wall guard plate, one end of the supporting plate is positioned in the manhole, the other end of the supporting plate protrudes out of the manhole, and the surrounding supporting plate surrounds an outer port of the manhole; the outer port lid of manhole is equipped with the manhole cover, and the structure of manhole cover includes: the cover body is made of refractory materials, the cover body covers the outer port of the manhole, and the cover body is fixedly arranged on the inner side of the cover plate; the outside of manhole cover is provided with manhole cover locking mechanism, and its structure includes: the screw rod, the head and the apron swing joint of screw rod, the screw rod can rotate outside the apron but do not break away from the apron, the screw rod level set up in the thread bush, upper and lower both sides of thread bush fixedly connected with locking closure support respectively, the apron support on locking closure support, the locking closure support of upper and lower both sides all hinge connection on the articulated shaft, the articulated shaft is installed on the wall body backplate of the outer tip of manhole, the other end of upper and lower both sides locking closure support is provided with the card and keeps off the part, be provided with the draw-in groove on the card and keep off the part, the activity is provided with the lock axle on the wall body backplate in the card and keep off the part outside, after the outer port department at the manhole is established to the manhole cover, the lock axle can rotate to the outside that is located the card and keep off the part, rotate the screw rod and can order about the card slot on the card keep off closely card epaxial, and the apron compresses tightly the end that the lid kept off in the backup pad to lock the manhole cover.
Further, in the manhole mechanism of the film wall waste heat boiler, the sealing groove is formed in the periphery of the inner side of the cover plate, the sealing gasket is arranged in the sealing groove, and the cover plate can be tightly pressed on the end part of the supporting plate through the sealing gasket.
Further, the manhole mechanism of the film wall waste heat boiler, wherein the connecting structure between the screw and the cover plate comprises: the outside of apron is provided with the baffle, and is fixed through the connecting plate between baffle and the apron, and apron and connecting plate form the installation cavity, have seted up the mounting hole on the apron, and the head card of screw rod keeps off the installation intracavity, and the screw rod stretches out through the mounting hole, and the screw rod can rotate in the mounting hole.
Further, in the manhole mechanism of the membrane wall waste heat boiler, a locking handle is arranged at the outer end part of the screw rod.
Further, the manhole mechanism of the film wall waste heat boiler, wherein the installation structure of the lock shaft comprises: a pair of installation lugs are fixedly arranged on the wall guard plate, the upper end and the lower end of the installation shaft are respectively installed on the installation lugs, an installation sleeve is sleeved on the installation shaft between the installation lugs, the installation sleeve can rotate on the installation shaft, the lock shaft is fixedly connected with the installation sleeve through a connecting rod, a handle is fixedly connected to the outer side of the lock shaft, and the lock shaft can be rotated to the outer side of a clamping groove on the clamping part by rotating the handle.
Still further, the manhole mechanism of the film wall waste heat boiler, wherein the blocking component comprises: two card baffles are respectively fixedly arranged on the two locking cover brackets, a reinforcing plate is fixedly arranged between the two card baffles, and the outer side of each card baffle is provided with a clamping groove which is concave inwards.
Further, according to the manhole mechanism of the film wall waste heat boiler, the wall body and the cover body are formed by casting refractory concrete, and the heat exchange pipes of the film wall are bent and cast in the wall body.
Still further, the manhole mechanism of the film wall waste heat boiler is characterized in that a protection steel die is arranged on the inner wall of the manhole, a folded plate is arranged at the fire-facing end of the protection steel die, and the folded plate is blocked outside the bent part of the heat exchange tube at the opening.
Further, in the manhole mechanism of the film wall waste heat boiler, the upper end and the lower end of the outer side of the cover plate are respectively fixedly provided with the cover plate reinforcing bracket, and the locking cover bracket above the threaded sleeve is supported at the bottom of the cover plate reinforcing bracket at the upper end of the cover plate.
The invention has the advantages that: 1. the protection steel mould that sets up in the manhole can effectively avoid dropping of the refractory concrete of pouring, not only plays the protection to manhole and heat exchange tube, can also make things convenient for the staff to get into to the inside work such as maintaining of furnace through the manhole. 2. The locking mechanism on the manhole cover is simple and ingenious, the locking is reliable, and the manhole cover can be conveniently opened and closed.
Drawings
Fig. 1 is a schematic view of a manhole mechanism of a membrane wall waste heat boiler according to the present invention.
Fig. 2 is a schematic diagram of the structure in the right view direction of fig. 1.
FIG. 3 is a schematic view of the structure in section A-A of FIG. 2. Fig. 4 is a schematic view of a lock shaft mounting structure shown in the direction B in fig. 3.
Fig. 5 is a schematic view of the structure of the locking cap holder in fig. 2.
Detailed Description
The invention will be described in further detail with reference to the drawings and the preferred embodiments.
As shown in fig. 1, 2 and 3, the manhole mechanism of the membrane wall waste heat boiler includes: and the heat exchange tube 11 of the membrane wall 1 is bent to form a hole 2, and the periphery of the outer wall at the hole 2 is poured with a wall body 3 to form a manhole 4. An orifice installation component is fixedly arranged on the wall body 3 at the outer end part of the manhole 4, and comprises: the fixed fender is in wall body backplate 5 around wall body 3 tip, and the fixed backup pad 6 that is provided with on the wall body backplate 5, one end of backup pad 6 is located manhole 4, and the other end protrusion is in manhole 4, and the outer port 41 of adult's hole 4 is enclosed to backup pad 6 all around. The wall body 3 is formed by casting refractory concrete, and the heat exchange tube 11 of the film wall 1 is bent and cast in the wall body 3. The inner wall of the manhole 4 is provided with a protection steel die 42, the fire-facing end of the protection steel die 42 is provided with a folded plate 443, and the folded plate 43 is blocked outside the bending part of the heat exchange tube 11 at the position of the opening 2. The inner wall of manhole 4 can effectively be protected to the setting of protection steel mould 42, prevents that the castable from dropping and damaging the heat exchange tube.
The outer port 41 of the manhole 4 is covered with a manhole cover 7, and the structure of the manhole cover 7 includes: the cover body 71 made of refractory materials, the cover body 71 is formed by casting refractory concrete, the cover body 71 covers the outer port 41 of the manhole 4, the cover body 71 is fixedly arranged on the inner side of the cover plate 72, and cover plate reinforcing brackets 721 are fixedly arranged on the upper end and the lower end of the outer side of the cover plate 72 respectively.
The outside of the cover plate 72 is provided with a manhole cover locking mechanism including: screw 9, head 91 of screw 9 is movably connected to cover plate 72, and screw 9 can rotate outside cover plate 72 without being separated from cover plate 72. Specifically, the connection structure between the screw 9 and the cover plate 72 includes: the outside of apron 72 is provided with baffle 14, and is fixed through connecting plate 15 between baffle 14 and the apron 72, and baffle 14, apron 72 and connecting plate 15 form installation cavity 16, have seted up the mounting hole on the baffle 14, and the head 901 card of screw rod 9 keeps off in installation cavity 16, and screw rod 9 stretches out through the installation through-hole, and screw rod 9 can rotate in the installation through-hole. The screw 9 is horizontally arranged in the threaded sleeve 10, the upper side and the lower side of the threaded sleeve 10 are respectively and fixedly connected with a locking cover bracket 73, the cover plate 72 is supported on the locking cover bracket 73, and specifically, the locking cover bracket 73 above the threaded sleeve 10 is supported at the bottom of a cover plate reinforcing bracket 721 at the upper end part of the cover plate 72. The locking cover brackets 73 on the upper side and the lower side are hinged on the hinge shaft 74, the hinge shaft 74 is arranged on the wall body guard plate 5 at the outer end part of the manhole 4, the other ends of the locking cover brackets 73 on the upper side and the lower side are provided with blocking parts, the blocking parts are provided with blocking grooves 730, and the wall body guard plate 5 at the outer side of the blocking parts is movably provided with a locking shaft 13.
As shown in fig. 3, 4, and 5, the lock shaft 13 includes: the wall guard plate 5 is fixedly provided with a pair of mounting lugs 51, the upper end and the lower end of a mounting shaft 17 are respectively mounted on the mounting lugs 51, a mounting sleeve 18 is sleeved on the mounting shaft 17 between the mounting lugs 51, the mounting sleeve 18 can rotate on the mounting shaft 17, a lock shaft 13 is fixedly connected with the mounting sleeve 18 through a connecting rod 131, a handle 132 is fixedly connected to the outer side of the lock shaft 13, and the lock shaft 13 can be rotated to the outer side of a clamping groove 730 on the clamping and blocking part by rotating the handle 132. The blocking component comprises: two card baffles 731 respectively fixedly arranged on the two locking cover brackets 73, a reinforcing plate 732 is fixedly arranged between the two card baffles 731, and a clamping groove 730 which is inwards concave is formed in the outer side of each card baffle 731.
When the manhole cover 7 is covered at the outer port 41 of the manhole 4, the locking shaft 13 can rotate to the outer sides of the two blocking plates 731, and the rotating screw 9 can drive the blocking grooves 730 on the blocking plates 731 to be tightly blocked on the locking shaft 13, so that the cover plate 72 is tightly blocked at the end of the supporting plate 6, thereby locking the manhole cover 7. In order to improve the tightness, a sealing groove 721 is formed around the inner side of the cover plate 72, a sealing gasket 722 is arranged in the sealing groove 721, and the cover plate 72 can press the sealing cover against the end part of the supporting plate 6 through the sealing gasket 722. During the rotation of the screw rod 9, the thread bush 10 moves outwards relative to the screw rod 9, so that the clamping groove 730 is tightly blocked on the lock shaft 13, and meanwhile, under the action force blocked by the lock shaft 13, the cover plate 72 is tightly pressed towards the direction close to the support plate 6, so that the cover plate 72 is tightly pressed against the end part of the support plate 6. The locking mechanism is simple, ingenious and reliable in structure. To facilitate rotation, the outer end of the screw 9 in this embodiment is provided with a locking handle 91. When the manhole cover 7 needs to be opened, the manhole cover can be opened by rotating the screw 9 in the reverse direction to separate the clamping groove 730 from the lock shaft 13 and then rotating the lock shaft 13 outwards.
The invention has the advantages that: 1. the protection steel mould 42 that sets up in the manhole 4 can effectively avoid dropping of the refractory concrete of pouring, not only plays the protection to manhole 4 and heat exchange tube, can also make things convenient for the staff to enter into to furnace inside through manhole 4 and maintain etc. work. 2. The locking mechanism on the manhole cover 7 is simple and ingenious, and the locking is reliable, so that the manhole cover 7 can be conveniently opened and closed.
Claims (9)
1. Manhole mechanism of diaphragm type wall exhaust-heat boiler includes: the heat exchange tube of diaphragm type wall is bent the entrance to a cave of formation, and the outer wall of entrance to a cave department pours the wall body all around and forms manhole, its characterized in that: an orifice installation component is fixedly arranged on a wall body at the outer end part of the manhole, and comprises: a wall guard plate is fixedly blocked around the end part of the wall, a supporting plate is fixedly arranged on the wall guard plate, one end of the supporting plate is positioned in the manhole, the other end of the supporting plate protrudes out of the manhole, and the surrounding supporting plate surrounds an outer port of the manhole; the outer port lid of manhole is equipped with the manhole cover, and the structure of manhole cover includes: the cover body is made of refractory materials, the cover body covers the outer port of the manhole, and the cover body is fixedly arranged on the inner side of the cover plate; the outside of manhole cover is provided with manhole cover locking mechanism, and its structure includes: the screw rod, the head and the apron swing joint of screw rod, the screw rod can rotate outside the apron but do not break away from the apron, the screw rod level set up in the thread bush, upper and lower both sides of thread bush fixedly connected with locking closure support respectively, the apron support on locking closure support, the locking closure support of upper and lower both sides all hinge connection on the articulated shaft, the articulated shaft is installed on the wall body backplate of the outer tip of manhole, the other end of upper and lower both sides locking closure support is provided with the card and keeps off the part, be provided with the draw-in groove on the card and keep off the part, the activity is provided with the lock axle on the wall body backplate in the card and keep off the part outside, after the outer port department at the manhole is established to the manhole cover, the lock axle can rotate to the outside that is located the card and keep off the part, rotate the screw rod and can order about the card slot on the card keep off closely card epaxial, and the apron compresses tightly the end that the lid kept off in the backup pad to lock the manhole cover.
2. The manhole mechanism of a membrane wall waste heat boiler according to claim 1, wherein: the inner side of the cover plate is provided with a sealing groove at the periphery, a sealing gasket is arranged in the sealing groove, and the cover plate can be tightly pressed on the end part of the supporting plate through the sealing gasket.
3. The manhole mechanism of a membrane wall waste heat boiler according to claim 1, wherein: the connection structure between screw rod and the apron includes: the outside of apron is provided with the baffle, and is fixed through the connecting plate between baffle and the apron, and apron and connecting plate form the installation cavity, have seted up the installation through-hole on the apron, and the head card of screw rod keeps off the installation intracavity, and the screw rod stretches out through the mounting hole, and the screw rod can rotate in the installation through-hole.
4. A manhole mechanism of a membrane wall waste heat boiler according to claim 3, characterized in that: the outer end of the screw rod is provided with a locking handle.
5. A manhole mechanism of a membrane wall waste heat boiler according to claim 1 or 2 or 3, characterized in that: the mounting structure of lock axle includes: a pair of installation lugs are fixedly arranged on the wall guard plate, the upper end and the lower end of the installation shaft are respectively installed on the installation lugs, an installation sleeve is sleeved on the installation shaft between the installation lugs, the installation sleeve can rotate on the installation shaft, the lock shaft is fixedly connected with the installation sleeve through a connecting rod, a handle is fixedly connected to the outer side of the lock shaft, and the lock shaft can be rotated to the outer side of a clamping groove on the clamping part by rotating the handle.
6. The manhole mechanism of a membrane wall waste heat boiler as claimed in claim 5, wherein: the blocking component comprises: two card baffles are respectively fixedly arranged on the two locking cover brackets, a reinforcing plate is fixedly arranged between the two card baffles, and the outer side of each card baffle is provided with a clamping groove which is concave inwards.
7. A manhole mechanism of a membrane wall waste heat boiler according to claim 1 or 2 or 3, characterized in that: the wall body and the cover body are formed by casting refractory concrete, and the heat exchange tube of the film wall is bent and cast in the wall body.
8. The manhole mechanism of a membrane wall waste heat boiler as claimed in claim 7, wherein: the inner wall of the manhole is provided with a protection steel die, the fire-facing end of the protection steel die is provided with a folded plate, and the folded plate is blocked outside the bent part of the heat exchange tube at the opening.
9. A manhole mechanism of a membrane wall waste heat boiler according to claim 1 or 2 or 3, characterized in that: the upper end and the lower end of the outer side of the cover plate are respectively fixedly provided with a cover plate reinforcing bracket, and the locking cover bracket above the threaded sleeve is supported at the bottom of the cover plate reinforcing bracket at the upper end of the cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811600186.9A CN109631001B (en) | 2018-12-26 | 2018-12-26 | Manhole mechanism of film wall waste heat boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811600186.9A CN109631001B (en) | 2018-12-26 | 2018-12-26 | Manhole mechanism of film wall waste heat boiler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109631001A CN109631001A (en) | 2019-04-16 |
| CN109631001B true CN109631001B (en) | 2024-01-26 |
Family
ID=66077712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811600186.9A Active CN109631001B (en) | 2018-12-26 | 2018-12-26 | Manhole mechanism of film wall waste heat boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109631001B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112963533B (en) * | 2021-01-22 | 2023-03-31 | 哈电集团（秦皇岛）重型装备有限公司 | Sealing surface protection tool pressing device and pressing method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003313892A (en) * | 2002-04-24 | 2003-11-06 | Ito Yogyo Co Ltd | Locking apparatus for manhole cover, and lock release apparatus |
| CN102908821A (en) * | 2012-10-12 | 2013-02-06 | 江苏北辰环境科技有限公司 | Rotary manhole for sewage treating filter |
| CN102951385A (en) * | 2012-11-09 | 2013-03-06 | 广西梧州制药（集团）股份有限公司 | Manhole device of storage tank |
| CN207018503U (en) * | 2017-04-27 | 2018-02-16 | 山西阳煤化工机械（集团）有限公司 | Self-tightening type quick opening manhole's structure with manual locking device |
| CN209672284U (en) * | 2018-12-26 | 2019-11-22 | 苏州海陆重工股份有限公司 | The manhole mechanism of membrane wall waste heat boiler |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100590910B1 (en) * | 2005-10-13 | 2006-06-22 | 주식회사 세계주철 | A manhole with locking device |
-
2018
- 2018-12-26 CN CN201811600186.9A patent/CN109631001B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003313892A (en) * | 2002-04-24 | 2003-11-06 | Ito Yogyo Co Ltd | Locking apparatus for manhole cover, and lock release apparatus |
| CN102908821A (en) * | 2012-10-12 | 2013-02-06 | 江苏北辰环境科技有限公司 | Rotary manhole for sewage treating filter |
| CN102951385A (en) * | 2012-11-09 | 2013-03-06 | 广西梧州制药（集团）股份有限公司 | Manhole device of storage tank |
| CN207018503U (en) * | 2017-04-27 | 2018-02-16 | 山西阳煤化工机械（集团）有限公司 | Self-tightening type quick opening manhole's structure with manual locking device |
| CN209672284U (en) * | 2018-12-26 | 2019-11-22 | 苏州海陆重工股份有限公司 | The manhole mechanism of membrane wall waste heat boiler |
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| Publication number | Publication date |
|---|---|
| CN109631001A (en) | 2019-04-16 |
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