CN211011468U - Device is examined to waterproof fire - Google Patents
Device is examined to waterproof fire Download PDFInfo
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- CN211011468U CN211011468U CN201921558159.XU CN201921558159U CN211011468U CN 211011468 U CN211011468 U CN 211011468U CN 201921558159 U CN201921558159 U CN 201921558159U CN 211011468 U CN211011468 U CN 211011468U
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- support tube
- glass cover
- fire
- detection head
- opening
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Abstract
The utility model discloses a device is examined to waterproof fire, including the fire detection detector, the support tube emits, the support tube, glass cover and two sealing washer, the support tube sets up on the barrel of combustor, be located the outside of combustor on the support tube's the outer wall is provided with the external screw thread, the support tube emits and is the tubulose, be provided with the internal thread that matches with support tube external screw thread on the big one end inner wall of opening, glass cover is used for isolating the contact of detection head and comdenstion water, glass cover is the straight tube shape, the section along the pipe axis is the U-shaped, the opening part has the opening edge that extends outward, the surface at this opening edge is provided with a plurality of archs, glass cover is in the detection head, the open end of glass cover is located the support tube emits, two sealing washers are located the support tube and are located the both sides at opening edge, the support tube emits and passes through threaded connection with the support tube, make the sealing washer on the detection, the sealing washer will detect the head and pass through the support pipe cap and fix on the support pipe.
Description
Technical Field
The utility model belongs to the industrial boiler field, concretely relates to device is examined to waterproof fire.
Background
Starting from the standard implementation that the emission of nitrogen oxides is lower than 30mg/Nm3 by modifying a low-nitrogen combustor on Beijing trial in 2015, the combustors of various manufacturers have certain defects while meeting the low-nitrogen emission; the problem of condensed water exists in burners using the flue gas external circulation technology, and the generation of the condensed water causes a large amount of moisture in combustion air, so that the detection signal of a fire detector is attenuated, and the fire detector is damaged in serious cases; for a fully premixed metal surface combustor which does not use flue gas external circulation, the emission of nitrogen oxides can meet the use requirements, and the problem of condensed water does not exist.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a solve the comdenstion water and cause the fire to examine the problem that detected signal decay and fire were examined the damage and go on, aim at provides a device is examined to waterproof fire.
The utility model provides a device is examined to waterproof fire, have such a characteristic, include a device is examined to waterproof fire, set up on the combustor, a serial communication port, including the detector is examined to fire, the support tube emits, the support tube, the glass cover and two sealing washers, wherein, the detector is examined to fire has outstanding detection head, be used for detecting the flame signal of combustor, the support tube is the tubulose, set up on the barrel of combustor, one end is located the inside of combustor, the other end is located the outside of combustor, be located the outside of combustor on the outer wall of the support tube outside, the support tube emits and is the tubulose, the opening of one end is less than the opening of the other end, be provided with the internal thread that matches with the support tube external thread on the big one end inner wall of opening, the glass cover is used for isolating the contact of detection head and comdenstion water, the glass cover is the straight tube shape, the section along the pipe axis is the, the opening part has outside extension's opening edge, the surface at this opening edge is provided with a plurality of archs, the stake pipe emits the setting on the detection head and the stake pipe emits the little one end of opening and is located the detection head root, glass cover sleeve is on the detection head, the open end of glass cover is located the stake pipe and emits, two sealing washer suits respectively on the outer wall of detection head and glass cover and be located the both sides at opening edge, the sealing washer is located the stake pipe and emits, the stake pipe emits and passes through threaded connection with the stake pipe, make the sealing washer on the detection head warp after the stake pipe emits and the stake pipe screws, the sealing washer will detect the head and emit through the stake pipe and fix on the stake pipe.
The utility model provides an among the device is examined to fire prevention, can also have such characteristic: wherein, the glass cover is made of quartz glass which can resist the temperature of 1100 ℃ and 1200 ℃.
In addition, in the utility model provides a device is examined to fire prevention, can also have such characteristic: wherein, the support tube is welded on the cylinder body of the burner.
In addition, in the utility model provides a device is examined to fire prevention, can also have such characteristic: wherein, the glass cover has the inner wall that matches with the detection head.
In addition, in the utility model provides a device is examined to fire prevention, can also have such characteristic: wherein, the surface of the opening edge is provided with any one or combination of points, straight lines or curves.
Action and effect of the utility model
According to the utility model discloses a device is examined to waterproof fire because having the setting and examining the outside glass pipe of detector detection head at the fire, this glass pipe has isolated the inside fire of external comdenstion water contact glass pipe and has examined the detection head, has avoided the comdenstion water infiltration fire to examine inside the detection head, consequently, the utility model discloses a device is examined to waterproof fire has not only solved water smoke and has influenced the fire and examined the problem of detection head to flame signal's detection to the damage of detector has been examined to the fire has been avoided.
Drawings
Fig. 1 is a schematic cross-sectional view of a fire protection device according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a glass cover according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a fire detection support tube according to an embodiment of the present invention; and
fig. 4 is a schematic diagram of the position of the fire detection support tube in the embodiment of the present invention.
Detailed Description
In order to make the utility model realize that technical means, creation characteristics, achievement purpose and efficiency are easily understood and known, the following embodiment combines the accompanying drawings to be right the utility model discloses a device is examined to waterproof fire specifically explains.
Examples
A flame detection prevention device is arranged on a combustor A and used for detecting a flame signal of the combustor A.
As shown in figure 1, the waterproof fire detection device comprises a fire detection detector 1, a fire detection support pipe cap 2, a fire detection support pipe 3, a glass cover 4, a sealing ring 5 and a sealing ring 6.
The fire detector 1 has a protruding cylindrical detection head 11 for detecting a flame signal of the burner a.
As shown in fig. 3, the fire detection support tube 3 is tubular and is used for mounting the glass cover 4 and the fire detection probe 1. The flame detection support tube 3 is welded on the cylinder of the combustor A shown in fig. 4 and is positioned on one side far away from the flame end B, one end of the flame detection support tube 3 is positioned inside the combustor cylinder, the other end of the flame detection support tube is positioned outside the combustor cylinder, and an external thread is arranged on the outer wall of the flame detection support tube 3 positioned outside the combustor cylinder.
As shown in figure 1, the fire detection support pipe cap 2 is tubular, the opening at one end is smaller than the opening at the other end, and the inner wall at the large end of the opening is provided with an internal thread matched with the external thread of the fire detection support pipe 3.
As shown in fig. 2, the glass cover 4 is in the shape of an open straight tube, the cross section of the tube axis is in a U shape, the head is closed and is in a hemispherical shape, the opening has an opening edge 41 extending outwards, the inner wall of the glass cover 4 is matched with the detection head 11 of the fire detector 1, and the glass cover 4 is sleeved on the detection head 11 of the fire detector 1 and used for isolating the contact between the detection head 11 and the condensed water without affecting the detection of the fire detector 1.
In the embodiment, the glass cover 4 is made of quartz glass which can resist 1100-1200 ℃, and the size of the glass cover can be selected and matched according to the model of the fire detector 1.
Preferably, the surface of the opening edge 41 is provided with a plurality of protrusions, which are any one of points, straight lines or curved lines or a combination of two or three of the points, straight lines or curved lines.
As shown in figure 1, the detection head 11 passes through the fire detection bracket pipe cap 2, the fire detection bracket pipe cap 2 is arranged on the detection head 11, and one end of the fire detection bracket pipe cap 2 with a small opening is positioned at the root part of the detection head 11.
The glass cover 4 is sleeved on the detection head 11, and the open end of the glass cover 4 is positioned in the fire detection bracket pipe cap 2.
The sealing ring 6 is sleeved on the detection head 11 and is positioned at the root part of the detection head 11, the sealing ring 5 is sleeved on the outer wall of the glass cover 4 and is positioned at the opening edge 41, the sealing ring 5 and the sealing ring 6 are respectively positioned at two sides of the opening edge 41, and the sealing ring 5 and the sealing ring 6 are both positioned in the fire detection support pipe cap 2.
Examine a support tube cap 2 with the fire and set up at the first 11 roots of detection of detector 1 are examined to the fire, put into sealing washer 6, examine detector 1's detection head 11 with glass cover 4 cover on the fire, put into sealing washer 5, sealing washer 5 and sealing washer 6 block 4 opening edges of glass cover respectively.
In the embodiment, the seal rings 5 and 6 are both O-ring seals.
Fire is examined support tube and is emitted 2 and fire and examine support tube 3 and pass through threaded connection, examine support tube and emit 2 and fire and examine support tube 3 and make sealing washer 6 on the detection head 11 and the 5 extrusion deformation of sealing washer on the glass cover 4 along with the locking of screw thread after examining support tube, thereby with detecting head 11, glass cover 4 locking is fixed, sealing washer 5, sealing washer 6 will detect head 11, glass cover 4 examines support tube through fire and emits 2 to fix on fire is examined support tube 3, thereby examine the detector 1 with the fire and fix on combustor A's barrel, wherein, it is located the inside of combustor barrel to detect head 11.
Effects and effects of the embodiments
According to the device is examined to waterproof fire of this embodiment, because have the setting and examine the detector at the fire and examine the outside glass pipe of detector, this glass pipe has isolated the inside fire of external comdenstion water contact glass pipe and has examined the detector, has avoided the comdenstion water infiltration fire to examine the detector inside, consequently, the utility model discloses a device is examined to waterproof fire has not only solved water smoke and has influenced the fire and examined the problem that the detector detected to flame signal to the damage of detector has been examined to the fire has been avoided.
In addition, the surface at the edge of the opening is provided with a plurality of bulges, and after the bulges are matched with the sealing ring in a deformation mode, on one hand, the sealing effect is better, and on the other hand, the detection head is more firmly fixed.
Furthermore, the glass cover is made of quartz glass which can resist the temperature of 1100 ℃ and 1200 ℃, and has the advantages of easily obtained materials and low cost.
The above embodiments are preferred examples of the present invention, and are not intended to limit the scope of the present invention.
Claims (5)
1. The utility model provides a device is examined to fire prevention, sets up on the combustor, its characterized in that includes:
a fire detection detector, a bracket pipe cap, a bracket pipe, a glass cover and two sealing rings,
wherein the fire detector is provided with a protruding detection head for detecting the flame signal of the burner,
the support tube is tubular and arranged on the cylinder body of the combustor, one end of the support tube is positioned in the combustor, the other end of the support tube is positioned outside the combustor, external threads are arranged on the outer wall of the support tube positioned outside the combustor,
the support tube cap is tubular, the opening at one end is smaller than the opening at the other end, the inner wall at the end with the larger opening is provided with an internal thread matched with the external thread of the support tube,
the glass cover is used for isolating the contact between the detection head and condensed water, the glass cover is in a straight tube shape, the section of the glass cover along the axis of the tube is in a U shape, the opening part is provided with an opening edge extending outwards, the surface of the opening edge is provided with a plurality of bulges,
the bracket pipe cap is arranged on the detection head, one end of the bracket pipe cap with a small opening is positioned at the root part of the detection head,
the glass cover is sleeved on the detection head, the open end of the glass cover is positioned in the bracket pipe cap,
the two sealing rings are respectively sleeved on the outer walls of the detection head and the glass cover and positioned at two sides of the edge of the opening, the sealing rings are positioned in the support pipe caps,
the support pipe cap is connected with the support pipe through threads, the sealing ring on the detection head is deformed after the support pipe cap is screwed with the support pipe, and the detection head is fixed on the support pipe through the support pipe cap by the sealing ring.
2. The water and fire detection prevention device according to claim 1, characterized in that:
wherein, the glass cover is made of quartz glass which can resist the temperature of 1100 ℃ and 1200 ℃.
3. The water and fire detection prevention device according to claim 1, characterized in that:
wherein, the support tube is welded on the cylinder of the combustor.
4. The water and fire detection prevention device according to claim 1, characterized in that:
wherein the glass cover is provided with an inner wall matched with the detection head.
5. The water and fire detection prevention device according to claim 1, characterized in that:
wherein, the surface of the opening edge is provided with any one or combination of points, straight lines or curves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921558159.XU CN211011468U (en) | 2019-09-19 | 2019-09-19 | Device is examined to waterproof fire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921558159.XU CN211011468U (en) | 2019-09-19 | 2019-09-19 | Device is examined to waterproof fire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211011468U true CN211011468U (en) | 2020-07-14 |
Family
ID=71473090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921558159.XU Active CN211011468U (en) | 2019-09-19 | 2019-09-19 | Device is examined to waterproof fire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211011468U (en) |
-
2019
- 2019-09-19 CN CN201921558159.XU patent/CN211011468U/en active Active
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