CN113357647A - Fire observation hole structure of incinerator - Google Patents
Fire observation hole structure of incinerator Download PDFInfo
- Publication number
- CN113357647A CN113357647A CN202110794638.7A CN202110794638A CN113357647A CN 113357647 A CN113357647 A CN 113357647A CN 202110794638 A CN202110794638 A CN 202110794638A CN 113357647 A CN113357647 A CN 113357647A
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- Prior art keywords
- fire
- fire observation
- observation
- box body
- incinerator
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- 239000011521 glass Substances 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims description 33
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000004321 preservation Methods 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000000779 smoke Substances 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000004056 waste incineration Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003584 silencer Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
- F23M11/00—Safety arrangements
- F23M11/04—Means for supervising combustion, e.g. windows
- F23M11/042—Viewing ports of windows
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Special Wing (AREA)
Abstract
The invention discloses a fire observation hole structure of an incinerator, which comprises a fire observation box body, wherein the fire observation box body is of a shell structure with an opening at the top end and a sealed bottom end, an observation hole is formed in a bottom end plate of the fire observation box body, and fire observation glass is hermetically connected to the position of the observation hole; the fire observation box is characterized in that a fire observation door used for plugging the observation hole is arranged in the fire observation box body, and the fire observation door is driven to be opened and closed through a driving device. The fire observation hole structure of the incinerator enables the fire observation door to be automatically opened and closed, reduces the occurrence of safety accidents, and ensures the closing reliability of the fire observation door.
Description
Technical Field
The invention relates to the technical field of garbage incinerators, in particular to an incinerator fire observation hole structure.
Background
The waste incineration treatment is a waste treatment method generally adopted in various countries in the world at present, the method can effectively save land resources and realize waste reduction, and the mechanical grate furnace is a waste incineration device which is most widely applied.
Mechanical grate furnaces generally consist of several sections of grates, usually divided into a drying section, a combustion section and a burnout section, each section having an inclination angle. The garbage needs to be dried, combusted and burned off on a corresponding grate, and is discharged into a slag well after being sufficiently combusted. Because the composition of garbage entering the furnace is complex and can change almost every time, in order to keep the combustion stable, operators need to observe the combustion condition in the furnace in time and carry out proper adjustment according to different combustion working conditions so as to ensure that the incinerator can operate well. The operator observes the burning condition in the furnace through seeing the fire hole, judges bed of material thickness and distribution region, in time adjusts the burning furnace running state. Therefore, the fire observation holes are required to be opened and closed as required, and the cleanness of fire observation glass is ensured.
In the existing waste incinerator, the fire observation hole needs to be manually opened and closed. In the operation process of the incinerator, when the operator needs to observe the combustion condition in the incinerator, the operator needs to manually open and close, namely the operator needs to push the deflector rod of the fire observation hole. The surface temperature of the deflector rod is relatively too high, and if the temperature in the furnace is over-high, the temperature is further increased, so that the risk of scalding of workers is increased. Meanwhile, after the fire observation hole device runs for a long time, the problems of jamming, deformation and the like can occur among parts, and the manual fire observation hole can be automatically closed or not closed in place. The fire observation hole can not be closed tightly, which inevitably causes the high-temperature smoke to bake the fire observation glass for a long time.
Disclosure of Invention
In view of the above, the invention provides an incinerator fire observation hole structure, so that a fire observation door can be automatically opened and closed, safety accidents are reduced, and the closing reliability of the fire observation door is ensured.
In order to achieve the purpose, the invention provides the following technical scheme:
a fire observation hole structure of an incinerator comprises a fire observation box body, wherein the fire observation box body is of a shell structure with an opening at the top end and a sealed bottom end, an observation hole is formed in a bottom end plate of the fire observation box body, and fire observation glass is hermetically connected to the position of the observation hole; the fire observation box is characterized in that a fire observation door used for plugging the observation hole is arranged in the fire observation box body, and the fire observation door is driven to be opened and closed through a driving device.
Optionally, the driving device is in transmission connection with the fire observation door through a connecting structure, the connecting structure comprises a driving arm, one end of the driving arm is rotatably connected with a power output end of the driving device, the other end of the driving arm is fixedly connected with a rotating shaft, the rotating shaft is rotatably connected to the fire observation box body, and the fire observation door is connected to the rotating shaft.
Optionally, connection structure still includes the linking arm, the one end fixed connection of linking arm is in the pivot, the other end with see the fire door and keep away from see the one side of fire glass and rotate the connection, it is close to see the fire door one side of pivot is rotated and is connected see on the fire box.
Optionally, the position that the pivot with it is connected to see the fire box is provided with and is used for sealed seal box, seal box is including the sealed lid mount pad and the sealed lid that the cooperation was used, sealed lid mount pad fixed connection be in see on the fire box, be provided with double-deck sealing ring in the sealed lid mount pad, sealed lid be used for right double-deck sealing ring compresses tightly the location.
Optionally, the driving device is an air cylinder, a supporting plate is fixedly connected to the fire observation box body, a supporting seat is arranged on the supporting plate, and the non-working end of the air cylinder is rotatably connected to the supporting seat.
Optionally, a connecting bottom plate is arranged around the opening at the top end of the fire observation box body, and the connecting bottom plate is used for being connected with the furnace body.
Optionally, the inside of the fire observation box body is provided with a heat preservation block.
Optionally, the heat preservation block is arranged around the observation hole in a surrounding manner; the heat preservation block is fixedly connected in the fire observation box body.
Optionally, the top end of the fire observation door is rotatably connected to the upper side of the observation hole, and the maximum opening degree of the fire observation door is 110 °.
Optionally, the driving device is a hydraulic cylinder, a supporting plate is fixedly connected to the fire observation box body, a supporting seat is arranged on the supporting plate, and the non-working end of the hydraulic cylinder is rotatably connected to the supporting seat.
According to the technical scheme, the incinerator fire observation hole structure provided by the invention has the advantages that the driving device is arranged to drive the fire observation door to be opened and closed, the fire observation door can be automatically opened and closed, the situation that operators need to manually open the fire observation door during observation in the prior art is avoided, the operators are prevented from contacting the fire observation door, and the occurrence of safety accidents is reduced. The drive device is adopted to drive the fire observation door to be closed, so that the fire observation door can be closed in place, the closing reliability of the fire observation door is ensured, the high-temperature smoke gas caused by the situation that the fire observation door is not closed in place is prevented from baking the fire observation glass for a long time, and the service life of the fire observation glass is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention 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 invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of an angle of a fire observation hole structure of an incinerator according to an embodiment of the present invention;
FIG. 2 is a schematic view of an opening structure of a fire observation hole structure of an incinerator according to an embodiment of the present invention;
FIG. 3 is a schematic view of a closed structure of a fire observation hole structure of an incinerator according to an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of a fire observation hole structure of an incinerator according to an embodiment of the present invention;
FIG. 5 is a schematic view of an alternative angle of the fire-viewing hole structure of the incinerator according to the embodiment of the present invention;
fig. 6 is a schematic structural diagram of a sealing box according to an embodiment of the present invention.
Wherein:
1. the fire observation box comprises a fire observation box body 101, a connecting bottom plate 2, a connecting structure 201, a driving arm 202, a supporting bearing 203, a connecting arm 204, a sealing box 2041, a sealing cover mounting seat 2042, a double-layer sealing ring 2043, a sealing cover 205, a rotating shaft 3, fire observation glass 4, a driving device 401, a supporting seat 402, a supporting plate 5, a fire observation door 6 and a heat preservation block.
Detailed Description
The invention discloses a fire observation hole structure of an incinerator, which enables a fire observation door to be automatically opened and closed, reduces the occurrence of safety accidents and ensures the closing reliability of the fire observation door.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 6, the fire observation hole structure of the incinerator of the present invention includes a fire observation box 1, wherein the fire observation box 1 is a shell structure with an open top end and a sealed bottom end. The observation hole has been seted up on the bottom end board of observation box 1, observation hole position sealing connection has observation glass 3, and observation glass 3 is used for avoiding dust and flue gas etc. in the stove to pass through the observation hole blowout protects the observer, and observation glass 3 is transparent glass to the observer of being convenient for looks over the condition in the stove. The fire observation door 5 used for plugging the inner side of the observation hole is arranged in the fire observation box body 1, and the fire observation door 5 is driven to be opened and closed through the driving device 4.
Wherein, the inner side of the observation hole is the side which is positioned in the fire observation box body 1 and is close to the incinerator. As the incinerator is high-temperature operation equipment, the fire observation glass 3 is high-temperature resistant glass, and the fire observation door 5 and the fire observation box body 1 are made of high-temperature resistant metal materials. The fire observation door 5 is arranged on one side, close to the furnace, of the fire observation glass 3, when observation is not needed, the fire observation door 5 is in a closed state, the fire observation glass 3 is prevented from being baked by high-temperature smoke for a long time, and the service life of the fire observation glass 3 is prolonged. When observation is needed, the driving device 4 works to automatically open the observation door 5. When the fire observation box is in a closed state, the fire observation door 5 is attached to the end face, located in the inner cavity of the fire observation box body 1, of the observation hole.
According to the incinerator fire observation hole structure, the driving device 4 is arranged to drive the fire observation door 5 to be opened and closed, so that the fire observation door 5 can be automatically opened and closed, the situation that operators need to manually open the fire observation door 5 during observation in the prior art is avoided, the operators are prevented from contacting the fire observation door 5, and safety accidents are reduced. Due to the fact that the driving device 4 is adopted to drive the fire observation door 5 to be closed, the fire observation door 5 can be closed in place, due to the effect of the driving device 4, the closing reliability of the fire observation door 5 is guaranteed, high-temperature smoke caused by the fact that the fire observation door 5 is not closed in place is prevented from baking the fire observation glass 3 for a long time, and the service life of the fire observation glass 3 is prolonged.
Specifically, the driving device 4 is in transmission connection with the fire observation door 5 through the connecting structure 2. In an embodiment, the connecting structure 2 includes a driving arm 201, one end of the driving arm 201 is rotatably connected to the power output end of the driving device 4, and the other end of the driving arm 201 is fixedly connected to the rotating shaft 205, so that when the driving device 4 drives one end of the driving arm 201 to move up and down, the driving arm 201 simultaneously drives the rotating shaft 205 to rotate forward or backward. Two ends of the rotating shaft 205 are rotatably connected to two side walls of the fire observation box body 1, and it can be understood that a supporting bearing 202 is arranged at the connecting position of the fire observation box body 1 and the rotating shaft 205. The position that pivot 205 is located inside the box of seeing the fire 1 is connected with the door 5 of seeing the fire, and like this, when pivot 205 rotated, drive the door 5 of seeing the fire and rotate, realizes the switching of the door 5 of seeing the fire.
Further, the connecting structure 2 further comprises a connecting arm 203, the connecting arm 203 is arranged in the fire observation box body 1, one end of the connecting arm 203 is fixedly connected to the rotating shaft 205, and the other end of the connecting arm 203 is rotatably connected with one surface of the fire observation door 5, which is far away from the fire observation glass 3. The side of the fire observation door 5 close to the rotating shaft 205 is rotatably connected to the inner surface of the fire observation box body 1.
In a specific embodiment, the rotating shaft 205 is suspended above the top of the observation hole, the top end of the fire observation door 5 is rotatably connected to the upper side of the observation hole, and the maximum opening degree of the fire observation door 5 is 110 degrees, so that the combustion condition of the grate obliquely above in the incinerator can be directly observed. In other embodiments, the maximum opening of the fire observation door 5 may be at other angles as long as the normal observation line of sight of the user is not affected. Generally, the maximum opening of the fire observation door 5 is not less than 90 °.
In order to prevent the smoke in the furnace from escaping from the gap where the rotating shaft 205 is rotatably connected with the observation box body 1, a sealing box 204 for sealing is arranged at the position where the rotating shaft 205 is connected with the observation box body 1. As shown in fig. 6, the sealing box 204 includes a sealing cover mounting seat 2041, a double-layer sealing ring 2042 and a sealing cover 2043, the sealing cover mounting seat 2041 is fixedly connected to the inner side surface of the fire observation box 1, and the rotating shaft 205 passes through the position. Specifically, two sealing cover mounting seats 2041 are provided, and the two sealing cover mounting seats 2041 are welded on two sides of the fire observation box body 1. Keep away from the one end of seeing the internal surface of fire box 1 on the sealed lid mount pad 2041 and be provided with and place the recess, place and placed double-deck sealing ring 2042 in the recess, sealed lid 2043 is connected on sealed lid mount pad 2041 for compress tightly the location to double-deck sealing ring 2042, double-deck sealing ring 2042 cover is established on pivot 205. The seal cover 2043 is fixed to the seal cover mounting base 2041 by bolts. The double-layered sealing ring 2042 is two sealing rings stacked together.
In one embodiment, the driving device 4 is a pneumatic or hydraulic cylinder. The fire observation box body 1 is fixedly connected with a support plate 402, and the support plate 402 is welded on the fire observation box body 1. The supporting plate 402 is provided with a supporting seat 401, and the non-working end of the air cylinder or the hydraulic cylinder is rotatably connected to the supporting seat 401. One end of the supporting seat 401 is connected with the supporting plate 402 through a bolt, and the other end of the supporting seat is rotatably connected with the air cylinder or the hydraulic cylinder. The rod end of the cylinder or hydraulic cylinder is rotatably connected with the driving arm 201. In other embodiments, the driving device 4 is a motor, the motor is in transmission connection with the rotating shaft 205 through a transmission mechanism, the transmission mechanism is a gear transmission, and the transmission mechanism may also be other transmission mechanisms commonly used by those skilled in the art, and is not limited herein.
In order to be connected with the furnace body conveniently, a connecting bottom plate 101 is arranged around the opening at the top end of the fire observation box body 1, the connecting bottom plate 101 is of a flange structure, and a plurality of connecting through holes are formed in the connecting bottom plate 101. The connecting bottom plate 101 is connected with the furnace body through a connecting bolt.
In order to reduce the temperature of the fire observation box body 1 and avoid scalding a user, the inner side of the fire observation box body 1 is provided with a heat preservation block 6. The heat preservation block 6 is arranged around the observation hole in a surrounding mode. In order to avoid the displacement of the heat insulation block 6, the heat insulation block 6 is fixedly connected in the fire observation box body 1.
The inlet and the outlet of the cylinder are connected with the electromagnetic valve and used for controlling the action of the cylinder (playing a role in reversing control). And the cylinder is provided with a patch type limit switch for detecting whether the stroke of the cylinder is in place. The electromagnetic valve is connected with a throttle valve, and the throttle valve is used for adjusting the pressure of an air source and controlling the opening and closing speed of the fire observation door 5; the air inlet pipe of the cylinder is connected with the silencer and used for reducing noise of an air source. The air cylinder, the electromagnetic valve, the throttle valve and the patch type limit switch are all connected with the control device, the control method is a common control mode in the field, and details are not repeated here.
When the hydraulic cylinder controls the fire observation door 5 to be opened and closed, the initial position and the stroke tail end position of the hydraulic cylinder are both provided with limit switches, the specific control is a common control method in the field, and the detailed description is omitted here.
In the description of the present solution, it is to be understood that the terms "upper", "lower", "vertical", "inside", "outside", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present solution.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A fire observation hole structure of an incinerator comprises a fire observation box body and is characterized in that the fire observation box body is of a shell structure with an opening at the top end and a sealed bottom end, an observation hole is formed in a bottom end plate of the fire observation box body, and fire observation glass is connected to the position of the observation hole in a sealing mode; the fire observation box is characterized in that a fire observation door used for plugging the observation hole is arranged in the fire observation box body, and the fire observation door is driven to be opened and closed through a driving device.
2. The incinerator fire observation hole structure as claimed in claim 1, wherein said driving device is in transmission connection with said fire observation door through a connection structure, said connection structure comprises a driving arm, one end of said driving arm is rotatably connected with a power output end of said driving device, the other end of said driving arm is fixedly connected with a rotating shaft, said rotating shaft is rotatably connected with said fire observation box body, and said fire observation door is connected with said rotating shaft.
3. The incinerator fire observation hole structure as claimed in claim 2, wherein said connecting structure further comprises a connecting arm, one end of said connecting arm is fixedly connected to said rotating shaft, the other end is rotatably connected to a surface of said fire observation door away from said fire observation glass, and one side of said fire observation door close to said rotating shaft is rotatably connected to said fire observation box body.
4. The incinerator fire observation hole structure as claimed in claim 2, wherein a sealing box for sealing is arranged at the position where the rotating shaft is connected with the fire observation box body, the sealing box comprises a sealing cover mounting seat and a sealing cover which are used in cooperation, the sealing cover mounting seat is fixedly connected to the fire observation box body, a double-layer sealing ring is arranged in the sealing cover mounting seat, and the sealing cover is used for pressing and positioning the double-layer sealing ring.
5. The incinerator fire-viewing hole structure as claimed in claim 1, wherein said driving means is a cylinder, a supporting plate is fixedly connected to said fire-viewing box body, a supporting seat is provided on said supporting plate, and a non-working end of said cylinder is rotatably connected to said supporting seat.
6. The incinerator fire observation hole structure as claimed in claim 1, wherein a connection bottom plate is provided around the top opening of the fire observation box body, the connection bottom plate being used for connecting with the furnace body.
7. The incinerator fire-viewing hole structure as claimed in claim 1, wherein an insulation block is provided at an inner side of the fire-viewing tank body.
8. The incinerator fire hole structure of claim 7, wherein said insulating block is provided around said observation hole; the heat preservation block is fixedly connected in the fire observation box body.
9. The incinerator fire-viewing hole structure as claimed in claim 1, wherein said fire-viewing door is rotatably connected at its top to the upper side of said viewing hole, and the maximum opening degree of said fire-viewing door is 110 °.
10. The incinerator fire-viewing hole structure as claimed in claim 1, wherein said driving means is a hydraulic cylinder, a support plate is fixedly connected to said fire-viewing tank, a support seat is provided on said support plate, and a non-working end of said hydraulic cylinder is rotatably connected to said support seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110794638.7A CN113357647A (en) | 2021-07-14 | 2021-07-14 | Fire observation hole structure of incinerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110794638.7A CN113357647A (en) | 2021-07-14 | 2021-07-14 | Fire observation hole structure of incinerator |
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| Publication Number | Publication Date |
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| CN113357647A true CN113357647A (en) | 2021-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110794638.7A Pending CN113357647A (en) | 2021-07-14 | 2021-07-14 | Fire observation hole structure of incinerator |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990045712A (en) * | 1998-12-28 | 1999-06-25 | 김배훈 | Inner furnace observation site |
| JP2004101036A (en) * | 2002-09-09 | 2004-04-02 | Mitsubishi Heavy Ind Ltd | Observation hole for coal burning boiler |
| CN203731480U (en) * | 2014-01-23 | 2014-07-23 | 王德元 | Boiler flame observation device |
| CN204421008U (en) * | 2014-12-04 | 2015-06-24 | 王世昌 | A kind of cremation of remains stove |
| CN110425545A (en) * | 2019-08-07 | 2019-11-08 | 无锡市同济环境工程有限公司 | Detachable incinerator fire observation window |
| CN112228883A (en) * | 2020-11-06 | 2021-01-15 | 深圳市深能环保东部有限公司 | Fire observation hole of garbage incinerator |
-
2021
- 2021-07-14 CN CN202110794638.7A patent/CN113357647A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990045712A (en) * | 1998-12-28 | 1999-06-25 | 김배훈 | Inner furnace observation site |
| JP2004101036A (en) * | 2002-09-09 | 2004-04-02 | Mitsubishi Heavy Ind Ltd | Observation hole for coal burning boiler |
| CN203731480U (en) * | 2014-01-23 | 2014-07-23 | 王德元 | Boiler flame observation device |
| CN204421008U (en) * | 2014-12-04 | 2015-06-24 | 王世昌 | A kind of cremation of remains stove |
| CN110425545A (en) * | 2019-08-07 | 2019-11-08 | 无锡市同济环境工程有限公司 | Detachable incinerator fire observation window |
| CN112228883A (en) * | 2020-11-06 | 2021-01-15 | 深圳市深能环保东部有限公司 | Fire observation hole of garbage incinerator |
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Application publication date: 20210907 |
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