CN112128796A

CN112128796A - Flame detector

Info

Publication number: CN112128796A
Application number: CN202010867484.5A
Authority: CN
Inventors: 解树超; 朱本义; 叶晶晶
Original assignee: Cssc Jiangxi Marine Instrument Co ltd
Current assignee: Cssc Jiujiang Chang'an Fire Protection Equipment Co ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2020-12-25
Anticipated expiration: 2040-08-25
Also published as: CN112128796B

Abstract

The invention relates to the technical field of waste incineration, and discloses a flame detector, which solves the problem that the flame detector on the current market is taken as an important component for detecting flame of a burner, plays a key role in the safety and normal operation of the burner, and has no adaptability to the flame detector on the original burner in the face of the severe environment characteristics of high radiation temperature and large dust fly ash of the waste incinerator, and comprises an annular air chamber, wherein a plurality of shunting holes are arranged in the annular air chamber, the shunting holes are divided into two rows, the two rows of shunting holes are distributed in the annular air chamber at equal distances, heat-resistant quartz glass is fixedly arranged in the annular air chamber, and the heat-resistant quartz glass is positioned between the two rows of shunting holes. Avoid receiving the collision of external object and realize dismantling and installing the flame observation tube fast convenient.

Description

Flame detector

Technical Field

The invention belongs to the technical field of waste incineration, and particularly relates to a flame detector.

Background

Along with the acceleration of the urbanization process of China, the urban population is more and more, and a large amount of garbage is generated. According to the relevant data, at present, the stock of domestic garbage in cities in China reaches 80 hundred million tons, the occupied land area is more than 200 ten thousand mu, the garbage production amount and the occupied land area are continuously increased at the speed of 7 percent and 4.8 percent each year respectively, about more than 200 cities are surrounded by the garbage, and in the face of the dilemma of 'garbage enclosing cities' in all parts of the country, the garbage incineration power generation is taken as an important means for harmless, reduction and resource treatment of garbage, is more and more strongly promoted by governments in all parts, some garbage incineration power generation projects emerge like spring shoots after rain, and a combustor is used as essential equipment for starting garbage ignition and furnace body auxiliary temperature rise on a garbage incinerator and plays an important role in the normal operation of a garbage incineration power generation system.

However, in order to ensure normal combustion of garbage and thorough decomposition of harmful substances (such as dioxin and the like) in the current market, the temperature in a furnace body is usually required to be kept at (800-1000) DEG C, so that compared with a conventional incinerator, the garbage incinerator has the characteristics of high radiation temperature, large dust fly ash and the like, a flame detector is used as an important component of a combustor for detecting flame, plays a critical role in safety and normal operation of the combustor, and the flame detector on the original combustor cannot adapt to the severe environment characteristics of high radiation temperature and large dust fly ash of the garbage incinerator.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the invention provides a flame detector which effectively solves the problems that the flame detector in the current market is used as an important component for detecting flame of a combustor, plays a key role in the safety and normal operation of the combustor, and cannot be adapted to the characteristics of a garbage incinerator in the severe environment with high radiation temperature and large dust fly ash.

In order to achieve the purpose, the invention provides the following technical scheme: a flame detector comprises an annular air chamber, wherein a plurality of shunting holes are formed in the annular air chamber, the shunting holes are divided into two rows, the two rows of shunting holes are distributed in the annular air chamber at equal distances, heat-resistant quartz glass is fixedly installed in the annular air chamber and positioned between the two rows of shunting holes, a gasket is fixedly sleeved on the outer wall of the heat-resistant quartz glass, the outer wall of the heat-resistant quartz glass is in contact with the inner wall of the annular air chamber through the gasket, two check rings are arranged outside the heat-resistant quartz glass, the heat-resistant quartz glass is fixedly connected with the inner wall of the annular air chamber through the two check rings, a photoelectric tube support is fixedly installed in the annular air chamber, a photoelectric tube is fixedly inserted in the photoelectric tube support, and the bottom end of the photoelectric tube penetrates through the photoelectric tube support and extends into the annular air chamber, the photoelectric tube and the heat-resistant quartz glass are positioned on the same horizontal plane, an observation mirror is fixedly installed at one end of the annular air chamber, a flame observation tube is fixedly sleeved outside the annular air chamber, a connector body is movably inserted inside the flame observation tube, one end of the connector body is movably inserted inside the annular air chamber, the connector body and the heat-resistant quartz glass are positioned on the same vertical horizontal plane, a fixed support is movably sleeved outside the flame observation tube, four extension support rods are movably inserted inside the fixed support, every two corresponding extension support rods form a group, the two groups of extension support rods are symmetrically distributed by taking the axis of the fixed support as the center, two ends of each extension support rod penetrate through the fixed support and extend to the outside of the fixed support, limit support plates are fixedly installed at the other ends of the four extension support rods, and a stretching support plate is movably sleeved outside each group of the limit support plates, every the equal activity of outside of extending branch has cup jointed spacing spring, one side fixed mounting of fixed bolster has two movable sleeve, two movable sleeve is located same vertical horizontal plane, two movable groove has all been seted up to movable sleeve's inside, two the equal activity of inside of movable groove is pegged graft there is spring branch, two spring branch's both ends all run through the movable groove and extend to movable sleeve's outside, two spring branch's the equal fixed mounting in one end has fixed even board, two equal fixed mounting has the support curb plate between the fixed even board, two the equal activity of outside of spring branch has cup jointed and has tightened up the spring, one side fixed mounting of support curb plate has the protection extension board, one side of protection extension board contacts with one side of flame observation section of thick bamboo.

Preferably, the supporting plates are fixedly mounted on the outer portions of the fixed supports, the two supporting plates are located on the same horizontal plane, three threaded connecting rods are in threaded connection with the inner portions of the two supporting plates, and the three threaded connecting rods are distributed in the supporting plates at equal distances.

Preferably, one end of each limiting spring is fixedly connected with one side of the fixed support, and the other end of each limiting spring is fixedly connected with one side of the stretching support plate.

Preferably, one end of each of the two tightening springs is fixedly connected with one side of the movable sleeve, the spring support plates are fixedly sleeved outside the two spring support rods, and the other ends of the two tightening springs are fixedly connected with one sides of the spring support plates.

Preferably, the observation mirror cap is movably sleeved outside the observation mirror and is wrapped with the observation mirror.

Preferably, the inner wall of the flame observation cylinder is fixedly sleeved with a lining, and the annular air chamber is in contact with the inner wall of the flame observation cylinder through the lining.

Preferably, one end of each of the four extension supporting rods is fixedly provided with a connecting supporting plate, and one side of each of the four connecting supporting plates is in contact with the outer wall of the flame observation tube.

Preferably, the outer parts of the two spring supporting rods are fixedly sleeved with limit baffles, and the two limit baffles and the two movable sleeves are located on the same vertical horizontal plane respectively.

Preferably, the length of the protection support plate is the same as that of the flame observation cylinder.

Compared with the prior art, the invention has the beneficial effects that: (1) during operation, a cooling air inlet is added for cooling the photoelectric tube, an annular air chamber is arranged on the flame observation cylinder, so that cooling air is uniformly distributed and part of heat conducted from the interior of the incinerator is blocked, shunting holes are uniformly distributed on two sides of the installation position of the heat-resistant quartz glass of the flame observation cylinder along the circumference respectively, one cooling air is used for cleaning impurities such as dust fly ash and the like attached to the surface of the heat-resistant quartz glass and preventing the impurities such as the dust fly ash and the like from being attached to the surface of the quartz glass to influence light transmission, the other cooling air is used for cooling the photoelectric tube behind the quartz glass, a lining is arranged to fix the heat-resistant quartz glass, and the flame detector is convenient to detach and install; (2) the two spring support rods have elastic stretching effects by movably sleeving the tightening springs outside the two spring support rods, the protection support plate is elastically supported by fixedly connecting the support side plates between the two spring support rods, and one side of the protection support plate is in contact with the flame observation tube, so that the flame observation tube is fully protected and protected, and the flame observation tube is prevented from being collided by external objects; (3) the utility model discloses a flame observation section of thick bamboo, including a flame observation section of thick bamboo, the outside activity of extending branch has cup jointed spacing spring, through the outside activity at extension branch, make extension branch possess the effect of elastic support, there is linking extension board through the one end fixed mounting who extends branch, make four link up the extension board all contact with the outer wall of a flame observation section of thick bamboo, thereby make a flame observation section of thick bamboo can carry out the stable clamp tightly, realize from this that it is quick convenient carry out the fixed clamp tight to it, through cup jointed tensile extension board at two sets of outside activities that extend branch, thereby realize quick convenient dismantling and installing.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic side view of the present invention;

FIG. 4 is a schematic view of the mounting fixture of the present invention;

in the figure: 1. an annular air chamber; 2. a shunt hole; 3. a photoelectric tube; 4. a photoelectric tube bracket; 5. a sight glass cap; 6. an observation mirror; 7. a flame observation cylinder; 8. a bushing; 9. a gasket; 10. heat-resistant quartz glass; 11. a retainer ring; 12. a fitting body; 13. fixing a bracket; 14. a movable sleeve; 15. a spring strut; 16. fixing the connecting plate; 17. supporting the side plates; 18. a protective support plate; 19. a spring support plate; 20. tightening the spring; 21. an extension strut; 22. stretching the support plate; 23. a limiting support plate; 24. a limiting spring; 25. connecting the support plate; 26. carrying a support plate; 27. a threaded connecting rod.

Detailed Description

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.

In the first embodiment, as shown in fig. 1-4, the present invention includes an annular gas chamber 1, a plurality of shunt holes 2 are formed in the annular gas chamber 1, the plurality of shunt holes 2 are divided into two rows, the two rows of shunt holes 2 are equally spaced and distributed in the annular gas chamber 1, a heat-resistant quartz glass 10 is fixedly installed in the annular gas chamber 1, the heat-resistant quartz glass 10 is located between the two rows of shunt holes 2, a gasket 9 is fixedly sleeved on an outer wall of the heat-resistant quartz glass 10, the outer wall of the heat-resistant quartz glass 10 is in contact with an inner wall of the annular gas chamber 1 through the gasket 9, two check rings 11 are arranged outside the heat-resistant quartz glass 10, the heat-resistant quartz glass 10 is fixedly connected with the inner wall of the annular gas chamber 1 through the two check rings 11, a photoelectric tube support 4 is fixedly installed in the annular gas chamber 1, a photoelectric tube 3 is fixedly inserted in the photoelectric tube support 4, a bottom, the photoelectric tube 3 and the heat-resistant quartz glass 10 are positioned on the same horizontal plane, one end of the annular gas chamber 1 is fixedly provided with an observation mirror 6, the outside of the annular gas chamber 1 is fixedly sleeved with a flame observation tube 7, the inside of the flame observation tube 7 is movably inserted with a connector body 12, one end of the connector body 12 is movably inserted with the inside of the annular gas chamber 1, the connector body 12 and the heat-resistant quartz glass 10 are positioned on the same vertical horizontal plane, the outside of the flame observation tube 7 is movably sleeved with a fixed support 13, the inside of the fixed support 13 is movably inserted with four extension support rods 21, every two corresponding extension support rods 21 are in one group, two groups of extension support rods 21 are symmetrically distributed by taking the axis of the fixed support 13 as the center, two ends of each extension support rod 21 penetrate through the fixed support 13 and extend to the outside of the fixed support 13, the other ends of the four extension support rods 21 are fixedly provided with limit support plates 23, every outside equal movable sleeve who extends branch 21 has cup jointed spacing spring 24, one side fixed mounting of fixed bolster 13 has two movable sleeve 14, two movable sleeve 14 are located same vertical horizontal plane, the movable groove has all been seted up to two movable sleeve 14's inside, the equal activity of inside in two movable grooves is pegged graft and is had spring branch 15, the both ends of two spring branch 15 all run through the movable groove and extend to movable sleeve 14's outside, the equal fixed mounting of one end of two spring branch 15 has fixed even board 16, equal fixed mounting has support curb plate 17 between two fixed even boards 16, the equal activity of outside of two spring branch 15 has cup jointed and has tightened up spring 20, one side fixed mounting of support curb plate 17 has protection extension board 18, one side of protection extension board 18 contacts with one side of a flame observation section of thick bamboo 7.

In the second embodiment, on the basis of the first embodiment, the supporting plates 26 are fixedly installed outside the fixed bracket 13, the two supporting plates 26 are located on the same horizontal plane, three threaded connecting rods 27 are screwed inside the two supporting plates 26, and the three threaded connecting rods 27 are distributed inside the supporting plates 26 at equal distances, so that the fixed bracket 13 can be conveniently fixed inside the waste incineration room.

In the third embodiment, on the basis of the first embodiment, one end of each limit spring 24 is fixedly connected to one side of the fixed bracket 13, and the other end of each limit spring 24 is fixedly connected to one side of the tension plate 22, so that the engagement plate 25 at one end of the extension rod 21 is elastically supported.

In the fourth embodiment, on the basis of the first embodiment, one end of each of the two tightening springs 20 is fixedly connected to one side of the movable sleeve 14, the spring support plate 19 is fixedly sleeved outside each of the two spring support rods 15, and the other end of each of the two tightening springs 20 is fixedly connected to one side of the spring support plate 19, so that the protection support plate 18 between the spring support rods 15 has an elastic supporting function.

Fifth, on the basis of the first embodiment, the observation mirror cap 5 is sleeved on the outside of the observation mirror 6, and the observation mirror cap 5 and the observation mirror 6 are wrapped together, so that the observation mirror 6 is protected by wrapping, and damage in the using process is avoided.

Sixth embodiment, on the basis of first embodiment, the inner wall of the flame observation tube 7 is fixedly sleeved with the bush 8, the annular air chamber 1 is in contact with the inner wall of the flame observation tube 7 through the bush 8, and the heat-resistant quartz glass 10 is fixed through the bush 8, so that the flame detector is convenient to detach and mount.

Seventh embodiment, on the basis of the first embodiment, the engagement support plate 25 is fixedly installed at one end of each of the four extension support rods 21, and one side of each of the four engagement support plates 25 is in contact with the outer wall of the flame observation tube 7, so that the flame observation tube 7 is protected and supported.

Eighth embodiment, on the basis of first embodiment, two spring strut 15's outside all is fixed the cup joint and is had limit baffle, and two limit baffle are located same vertical horizontal plane with two movable sleeve 14 respectively, avoid spring strut 15 to break away from out from the inside of movable sleeve 14 from this.

In the ninth embodiment, based on the first embodiment, the length of the protection support plate 18 is the same as that of the flame observation tube 7, so that the flame observation tube 7 is protected in the largest range.

The working principle is as follows: when the flame detector works, cold air enters the annular air chamber 1 from the cooling air inlet, the cold air is homogenized in the annular air chamber 1 and is divided into two streams of cold air through the flow dividing holes 2, the two streams of cold air respectively flow into the front side and the rear side of the heat-resistant quartz glass 10, the front side mainly acts on cleaning impurities such as dust fly ash and the like attached to the surface of the heat-resistant quartz glass 10 and preventing the impurities such as the dust fly ash and the like from being attached to the surface of the heat-resistant quartz glass 10, and the rear side is used for cooling the photoelectric tube 3 to enable the photoelectric tube 3 to work normally, when flame exists in the incinerator, light generated by the flame penetrates through the heat-resistant quartz glass 10, and when the photoelectric tube 3 detects the light, a signal is output.

Through the inside of pegging graft a section of thick bamboo 7 to fixed bolster 13 with flame observation, it has four extension branch 21 to peg graft in the inside activity of fixed bolster 13, spacing spring 24 has been cup jointed in the outside activity that extends branch 21 in the cooperation, make extension branch 21 possess the effect of elastic support, there is linking extension board 25 through the one end fixed mounting who extends branch 21, make four linking extension boards 25 all contact with the outer wall of a section of thick bamboo 7 is observed to flame, thereby make a section of thick bamboo 7 of flame observation stably press from both sides tightly, from this realize quick convenient carry out the fixed clamp to it and press from both sides, tensile extension board 22 has been cup jointed through the outside activity at two sets of extension branch 21, thereby realize quick convenient dismantling and installing a section of thick bamboo 7 with flame observation.

There are two movable sleeves 14 through one side fixed mounting at fixed bolster 13, the realization is pegged graft movably to two spring branch 15, it tightens up spring 20 to have cup jointed through the outside activity at two spring branch 15, make two spring branch 15 possess the tensile effect of elasticity, through fixedly connected with support curb plate 17 between two spring branch 15, thereby the realization can carry out elastic support to protection extension board 18, one side through will protecting extension board 18 contacts with a flame observation section of thick bamboo 7, from this the realization is observed a section of thick bamboo 7 and is fully protected the protection to flame, avoid receiving the external object collision.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A flame detector comprising an annular gas chamber (1), characterized in that: the solar water heater is characterized in that a plurality of shunting holes () are formed in the annular air chamber (1), the shunting holes (2) are divided into two rows, the two rows of shunting holes (2) are distributed in the annular air chamber (1) at equal distances, heat-resistant quartz glass (10) is fixedly arranged in the annular air chamber (1), the heat-resistant quartz glass (10) is located between the two rows of shunting holes (2), a gasket (9) is fixedly sleeved on the outer wall of the heat-resistant quartz glass (10), the outer wall of the heat-resistant quartz glass (10) is in contact with the inner wall of the annular air chamber (1) through the gasket (9), two check rings 11 are arranged on the outer portion of the heat-resistant quartz glass (10), the heat-resistant quartz glass (10) is fixedly connected with the inner wall of the annular air chamber (1) through the two check rings (11), and a photoelectric tube support (4) is fixedly arranged in, the photoelectric tube support is characterized in that a photoelectric tube (3) is fixedly inserted in the photoelectric tube support (4), the bottom end of the photoelectric tube (3) penetrates through the photoelectric tube support (4) and extends to the inside of the annular air chamber (1), the photoelectric tube (3) and the heat-resistant quartz glass (10) are located on the same horizontal plane, an observation mirror (6) is fixedly installed at one end of the annular air chamber (1), a flame observation tube (7) is fixedly sleeved on the outside of the annular air chamber (1), a joint body (12) is movably inserted in the flame observation tube (7), one end of the joint body (12) is movably inserted in the annular air chamber (1), the joint body (12) and the heat-resistant quartz glass (10) are located on the same vertical horizontal plane, a fixed support (13) is movably sleeved on the outside of the flame observation tube (7), and four extension support rods (21) are movably inserted in the inside of the fixed support (13), every two corresponding extension supporting rods (21) are in a group, two groups of extension supporting rods (21) are symmetrically distributed by taking the axis of a fixed support (13) as a center, two ends of each extension supporting rod (21) penetrate through the fixed support (13) and extend to the outside of the fixed support (13), limiting supporting plates (23) are fixedly arranged at the other ends of the four extension supporting rods (21), a stretching supporting plate (22) is movably sleeved at the outside of each group of limiting supporting plates (23), a limiting spring (24) is movably sleeved at the outside of each extension supporting rod (21), two movable sleeves (14) are fixedly arranged at one side of the fixed support (13), the two movable sleeves (14) are positioned on the same vertical horizontal plane, movable grooves are formed in the two movable sleeves (14), and spring supporting rods (15) are movably inserted in the two movable grooves, two the both ends of spring branch (15) all run through the movable groove and extend to the outside of movable sleeve (14), two the equal fixed mounting in one end of spring branch (15) has fixed even board (16), two equal fixed mounting has support curb plate (17), two between fixed even board (16) the outside of spring branch (15) is all movable to be cup jointed and is tightened up spring (20), one side fixed mounting that supports curb plate (17) has protection extension board (18), one side of protection extension board (18) contacts with one side of a flame observation section of thick bamboo (7).

2. A flame detector as claimed in claim 1, wherein: supporting plates (26) are fixedly mounted on the outer portions of the fixed supports (13), the two supporting plates (26) are located on the same horizontal plane, three threaded connecting rods (27) are connected to the inner portions of the two supporting plates (26) in a threaded mode, and the three threaded connecting rods (27) are distributed in the supporting plates (26) at equal distances.

3. A flame detector as claimed in claim 1, wherein: one end of each limiting spring (24) is fixedly connected with one side of the fixed support (13), and the other end of each limiting spring (24) is fixedly connected with one side of the stretching support plate (22).

4. A flame detector as claimed in claim 1, wherein: one end of each of the two tightening springs (20) is fixedly connected with one side of the movable sleeve (14), the outer portions of the two spring support rods (15) are fixedly sleeved with spring support plates (19), and the other ends of the two tightening springs (20) are fixedly connected with one sides of the spring support plates (19).

5. A flame detector as claimed in claim 1, wherein: the outside activity of sight glass (6) is cup jointed sight glass cap (5), sight glass cap (5) and sight glass (6) are wrapped up mutually.

6. A flame detector as claimed in claim 1, wherein: the inner wall of the flame observation cylinder (7) is fixedly sleeved with a lining (8), and the annular air chamber (1) is in contact with the inner wall of the flame observation cylinder (7) through the lining (8).

7. A flame detector as claimed in claim 1, wherein: one end of each of the four extension supporting rods (21) is fixedly provided with a connecting supporting plate (25), and one side of each of the four connecting supporting plates (25) is in contact with the outer wall of the flame observation cylinder (7).

8. A flame detector as claimed in claim 1, wherein: limiting baffles are fixedly sleeved outside the two spring support rods (15), and the two limiting baffles are respectively positioned on the same vertical horizontal plane with the two movable sleeves (14).

9. A flame detector as claimed in claim 1, wherein: the length of the protective support plate (18) is the same as that of the flame observation tube (7).