Combustion furnace with anti-extinguishing and anti-falling flame holder
By installing a three-layer flame stabilizer on the combustion furnace and using baffles and guide plates to improve flame distribution, the problem of LPG flame stabilizer falling off under high temperature conditions was solved, thus improving the stability of the combustion furnace and product quality.
Patent Information
- Application Number
- CN202422945034.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-02
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-02
AI Technical Summary
Under high temperature and resonance conditions, the LPG flame stabilizer is prone to detachment in the combustion furnace, leading to flame extinguishing or incomplete combustion, which affects the quality of sulfuric acid products.
The flame stabilizer adopts a three-layer structure, including a first annular protective plate, a second annular protective plate, and a third annular protective plate. It is equipped with baffles and guide plates, and the connectors are connected by fixing blocks and pins to ensure that the flame stabilizer is installed outside the LPG nozzle. The combustion air inlet is set on the third annular protective plate to improve the flame distribution.
It improves the flame stabilizer's resistance to flameout, reduces the risk of detachment, enhances the stability of the combustion furnace, and avoids abnormal tripping and product quality problems caused by detachment.
Smart Images

Figure CN223691055U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a combustion furnace with anti-extinguishing anti-falling stable flame device belongs to combustion furnace technical field. BACKGROUND
[0002] The LPG combustion device of the combustion furnace is operated under high temperature and common shock conditions for a long period, which causes the LPG stable flame device in the combustion furnace to fall off, and the LPG stable flame device must be used to ensure that the device meets the preset conditions during the start and stop stages. If the stable flame device falls off, the following situations may occur:
[0003] 1. When the air volume is within the normal range, the flame is single and is ejected in the vertical direction, which can easily cause the flame to be extinguished, resulting in the device cycle being broken and the system being abnormally shut down.
[0004] 2. When the air volume is low, the LPG combustion furnace is not sufficient (the LPG component is propane and butane), and the carbon is in the form of ions and is brought into the system with the process gas, which eventually causes the sulfuric acid product quality to be unqualified (black) and the event / fault. INVENTION CONTENTS
[0005] To solve the technical problems existing in the prior art, the utility model provides a combustion furnace with anti-extinguishing anti-falling stable flame device, which can maximize the anti-extinguishing ability by changing the distribution form of the flame at different angles.
[0006] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of a combustion furnace with anti-extinguishing anti-falling stable flame device, which comprises an LPG nozzle, an ignition gun nozzle, an acid gas B nozzle, a plurality of acid gas A nozzles and a stable flame device arranged outside the LPG nozzle and installed outside the LPG nozzle through a connecting piece. The stable flame device comprises a first annular protection plate, a second annular protection plate and a third annular protection plate. The first annular protection plate is sleeved outside the LPG nozzle, and a plurality of partitions are arranged between the first annular protection plate and the LPG nozzle. The second annular protection plate is sleeved outside the first annular protection plate, and the third annular protection plate is sleeved outside the second annular protection plate. The ignition gun nozzle, the acid gas B nozzle and the plurality of acid gas A nozzles are arranged between the first annular protection plate and the second annular protection plate. A plurality of guide plates are arranged between adjacent two partitions, and the guide plates are fixed on the partitions.
[0007] Preferably, the sizes and directions of the guide plates are different.
[0008] Preferably, the third annular protection plate is further provided with a combustion air inlet.
[0009] Preferably, the connecting piece comprises first fixing blocks and second fixing blocks arranged on the left and right and upper and lower sides of the LPG nozzle and third fixing blocks and fourth fixing blocks arranged on the upper and lower sides and left and right sides of the flame holder, the first fixing blocks and the fourth fixing blocks correspond to each other, the first fixing blocks and the fourth fixing blocks are connected by keys, the first fixing blocks and the fourth fixing blocks are further provided with a bolt, the second fixing blocks and the third fixing blocks correspond to each other, the engaging surfaces of the second fixing blocks and the third fixing blocks are provided with tooth grooves, and the second fixing blocks and the third fixing blocks are connected through connecting teeth.
[0010] Compared with the prior art, the utility model has following technical effects: the utility model discloses through arranging multiple partitions in the flame holder, makes the flame evenly spread under different angles, thereby improving the flame holder's anti-extinguishing capacity, simultaneously, the flame holder is installed on the LPG nozzle through the connecting piece, and the stability of the combustion furnace flame holder is strengthened, reduces or avoids the derivative accident caused by the falling of the flame holder. BRIEF DESCRIPTION OF DRAWINGS
[0011] Figure 1 It is the structural schematic diagram of the utility model.
[0012] Figure 2 It is the structural schematic diagram of the utility model flame holder.
[0013] Figure 3 It is the connecting schematic diagram of the first fixing block and the fourth fixing block in the utility model.
[0014] Figure 4 It is the connecting schematic diagram of the second fixing block and the third fixing block in the utility model. DETAILED DESCRIPTION
[0015] In order to make the technical problem, technical scheme and beneficial effect of the utility model to be solved more clearly, the utility model is further explained in detail in the following with the drawings and examples.It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.
[0016] As Figure 1 And Figure 2As shown, a combustion furnace with an anti-extinction anti-falling flame stabilizer, comprising an LPG nozzle 2, an ignition gun nozzle 3, an acid gas B nozzle 4 and a plurality of acid gas A nozzles 5 installed on the combustion furnace 1, and a flame stabilizer 6 arranged outside the LPG nozzle 2, the flame stabilizer 6 is installed outside the LPG nozzle 2 through a connecting piece, the flame stabilizer 6 comprises a first annular protection plate 7, a second annular protection plate 8 and a third annular protection plate 9, the first annular protection plate 7 is sleeved outside the LPG nozzle 2, and a plurality of partitions 10 are arranged between the first annular protection plate 7 and the LPG nozzle 2, the second annular protection plate 8 is sleeved outside the first annular protection plate 7, and the third annular protection plate 9 is sleeved outside the second annular protection plate 8, the ignition gun nozzle 3, the acid gas B nozzle 4 and the plurality of acid gas A nozzles 5 are arranged between the first annular protection plate 7 and the second annular protection plate 8, a plurality of guide plates 11 are arranged between adjacent two partitions 10, and the guide plates 11 are fixed on the partitions 10.
[0017] The utility model discloses install the flame stabilizer 6 outside the LPG nozzle 2, the flame stabilizer 6 adopts three layers structure, is used for installing ignition gun nozzle 3, acid gas B nozzle 4 and a plurality of acid gas A nozzles 5, and still be provided with combustion air inlet 12 on third annular protection plate 8, facilitate the arrangement combustion air, and still be provided with combustion air inlet 12 on third annular protection plate 8, facilitate the arrangement combustion air, and the first annular protection plate 7 of flame stabilizer 6 and LPG nozzle 2 between the partition 10 of setting, the partition 10 on setting a plurality of guide plates 11, the size, direction of guide plate 11 is different, like this can make flame evenly spread under different angles, thereby improve the anti-extinction ability of flame stabilizer.
[0018] The connecting piece comprises first fixed blocks 13 and second fixed blocks 14 arranged on the left and right and upper and lower sides of the LPG nozzle and third fixed blocks 15 and fourth fixed blocks 16 arranged on the upper and lower and left and right sides of the flame stabilizer, the first fixed blocks 13 and the fourth fixed blocks 16 correspond one by one, and are connected by keys between the first fixed blocks 13 and the fourth fixed blocks 16, and the first fixed blocks 13 and the fourth fixed blocks 16 are further provided with a latch 17, the second fixed blocks 14 and the third fixed blocks 15 correspond one by one, the second fixed blocks 14 and the third fixed blocks 15 are provided with a tooth groove 16 on the joint surface, and are connected by a connecting tooth 18 between the second fixed blocks 14 and the third fixed blocks 15, the connecting tooth 18 is transversely arranged between the second fixed blocks 14 and the third fixed blocks 15, and can be freely pulled out from the second fixed blocks 14 and the third fixed blocks 15. The flame stabilizer 6 is installed on the LPG nozzle 2 through the connecting piece, which is convenient to install, and when disassembling, only the latch 17 and the connecting tooth 18 need to be pulled out to disassemble the flame stabilizer.
[0019] The above only is the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement etc. within the spirit and principle of the utility model should be included in the utility model range.
Claims
1. A combustion furnace with an anti-extinction and anti-dropout flame holder, comprising an LPG nozzle, an ignition gun nozzle, an acid gas B nozzle, a plurality of acid gas A nozzles installed on the combustion furnace, and a flame holder provided outside the LPG nozzle, characterized in that: The flame stabilizer is installed outside the LPG nozzle through the connecting piece, the flame stabilizer comprises a first annular protection plate, a second annular protection plate and a third annular protection plate, the first annular protection plate is sleeved outside the LPG nozzle, a plurality of partition plates are arranged between the first annular protection plate and the LPG nozzle, the second annular protection plate is sleeved outside the first annular protection plate, the third annular protection plate is sleeved outside the second annular protection plate, the ignition gun nozzle, the acid gas B nozzle and a plurality of acid gas A nozzles are arranged between the first annular protection plate and the second annular protection plate, a plurality of guide plates are arranged between adjacent two partition plates, and the guide plates are fixed on the partition plates.
2. A burner as claimed in claim 1, wherein: The sizes and directions of the guide plates are different.
3. A burner with an anti-extinguishing and anti-drop flame holder according to claim 1, characterized in that: The third annular protection plate is further provided with a combustion-supporting air inlet.
4. A burner as claimed in claim 1, wherein: The connecting piece comprises first fixing blocks and second fixing blocks arranged on the left and right and upper and lower sides of the LPG nozzle and third fixing blocks and fourth fixing blocks arranged on the upper and lower sides and left and right sides of the flame stabilizer, the first fixing blocks and the fourth fixing blocks correspond to each other, the first fixing blocks and the fourth fixing blocks are connected through keys, the first fixing blocks and the fourth fixing blocks are further provided with bolts, the second fixing blocks and the third fixing blocks correspond to each other, the joint surfaces of the second fixing blocks and the third fixing blocks are provided with tooth grooves, and the second fixing blocks and the third fixing blocks are connected through connecting teeth.