JPH0565764B2 - - Google Patents
Info
- Publication number
- JPH0565764B2 JPH0565764B2 JP61053071A JP5307186A JPH0565764B2 JP H0565764 B2 JPH0565764 B2 JP H0565764B2 JP 61053071 A JP61053071 A JP 61053071A JP 5307186 A JP5307186 A JP 5307186A JP H0565764 B2 JPH0565764 B2 JP H0565764B2
- Authority
- JP
- Japan
- Prior art keywords
- burner
- input
- voltage
- electric field
- instruction
- Prior art date
- 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.)
- Expired - Lifetime
Links
- 230000005684 electric field Effects 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 4
- 238000009841 combustion method Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 29
- 239000007789 gas Substances 0.000 description 21
- 238000002485 combustion reaction Methods 0.000 description 9
- 239000000446 fuel Substances 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 230000001133 acceleration Effects 0.000 description 4
- 206010016754 Flashback Diseases 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000003287 bathing Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 235000013547 stew Nutrition 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N1/00—Regulating fuel supply
- F23N1/08—Regulating fuel supply conjointly with another medium, e.g. boiler water
- F23N1/082—Regulating fuel supply conjointly with another medium, e.g. boiler water using electronic means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2225/00—Measuring
- F23N2225/08—Measuring temperature
- F23N2225/16—Measuring temperature burner temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2235/00—Valves, nozzles or pumps
- F23N2235/12—Fuel valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
- F23N5/02—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium
- F23N5/12—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using ionisation-sensitive elements, i.e. flame rods
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Regulation And Control Of Combustion (AREA)
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、直流電源装置の正電極を金属製バー
ナに接続して、電場により炎を加速する燃焼方法
に関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a combustion method in which the positive electrode of a DC power supply is connected to a metal burner and a flame is accelerated by an electric field.
従来、燃焼に際して常時バーナに正電極を接続
して、電場による炎の加速によつて、インプツト
が小さい時の逆火を防止すると共に、インプツト
いかんにかかわらず伝熱効率を向上できるように
していた（例えば特開昭60−213738号公報参照）。
Conventionally, a positive electrode was always connected to the burner during combustion, and the flame was accelerated by an electric field to prevent backfire when the input was small, and to improve heat transfer efficiency regardless of the input ( For example, see Japanese Patent Application Laid-open No. 60-213738).
しかし、インプツトが大きくなつて、バーナか
らのガス噴出速度が増大すると、電場による炎加
速のために炎のリフトが生じやすく、実際には最
大インプツトを余り大きくできなくて、ターンダ
ウン比が小さくなり、一層の改良の余地があつ
た。
However, as the input becomes larger and the gas ejection velocity from the burner increases, flame lift tends to occur due to flame acceleration due to the electric field, and in reality, the maximum input cannot be increased very much, and the turndown ratio becomes smaller. , there was room for further improvement.
本発明の目的は、インプツトが小さい時の逆火
を防止できるばかりで無く、そのために最大イン
プツトが小さくなることを防止でき、ターンダウ
ン比を大きくできるようにする点にある。 An object of the present invention is to not only prevent backfire when the input is small, but also to prevent the maximum input from becoming small and to increase the turndown ratio.
本発明の特徴手段は、直流電源装置の正電極に
接続されて電場で炎が加速されるように構成され
たバーナのインプツトを検出し、その検出インプ
ツトが小インプツトである設定値以下の時だけ前
記電場による炎の加速を行わせることにあり、そ
の作用効果は次の通りである。
The characteristic means of the present invention is to detect the input of the burner connected to the positive electrode of the DC power supply and configured to accelerate the flame by an electric field, and only when the detected input is less than a set value, which is a small input. The purpose is to accelerate the flame by the electric field, and its effects are as follows.
つまり、バーナのインプツトが逆火の危険性の
ある設定値以下の小インプツトである時には、正
電極をバーナに接続して、電場による炎の加速で
逆火を防止し、電場を作用させない場合よりも小
さいインプツトで安定燃焼させる。
In other words, when the burner input is a small input below the set value that poses a risk of flashback, the positive electrode is connected to the burner and the flame acceleration caused by the electric field prevents flashback, compared to when no electric field is applied. It also produces stable combustion with a small input.
そして、バーナのインプツトが逆火の危険性の
無い、設定値を越える大きいインプツトである時
には、正電極とバーナの接続を断つて、電場によ
る炎の加速で炎がリフトする現象を無くし、最大
インプツトが小さくなることを防止する。 When the burner input is large enough to exceed the set value without the risk of backfire, the connection between the positive electrode and the burner is cut off to eliminate the phenomenon of flame lift due to flame acceleration caused by the electric field, and to increase the maximum input. to prevent it from becoming smaller.
したがつて、前述の従来例に比して、最小イン
プツトを同様に小さくできると共に、最大インプ
ツトを大にでき、ターンダウ比を十分に増大でき
る。 Therefore, compared to the conventional example described above, the minimum input can be similarly reduced, the maximum input can be increased, and the turndown ratio can be sufficiently increased.
その結果、加熱能力の大巾な変更が可能な状態
で常に安定燃焼を維持できるようになり、例え
ば、１台のコンロでもつて強火の必要な中華料理
から、とろ火の必要な煮込みまでをまかなつた
り、１台の瞬間式の給湯器で暖房と風呂に必要な
大湯量から、手洗い程度の小湯量までをまかなつ
たりできるようになつた。
As a result, stable combustion can be maintained at all times while the heating capacity can be changed over a wide range.For example, a single stove can be used for everything from Chinese dishes that require high heat to stews that require simmering heat. It has become possible to use a single instantaneous water heater to supply everything from the large amount of hot water required for heating and bathing to the small amount of hot water required for washing hands.
次に実施例を示す。 Next, examples will be shown.
第１図に示すように、金属製のケース１の下部
に金属製バーナ２を耐熱性の電気絶縁体３で取付
ると共に点火プラグ４を設け、ケース１の上部に
フインチユーブ式の熱交換器５を設け、バーナ２
と熱交換器５の間に燃焼室６を形成し、熱交換器
５の上方に排気フード７を設け、給水管８からの
冷水を熱交換器５でバーナ２により加熱して、出
湯栓V2付の給湯管９で湯を供給するための瞬間
式湯沸器を形成してある。 As shown in FIG. 1, a metal burner 2 is attached to the lower part of a metal case 1 with a heat-resistant electric insulator 3, and a spark plug 4 is provided, and a Finch-Ube heat exchanger 5 is installed in the upper part of the case 1. and burner 2
A combustion chamber 6 is formed between the heat exchanger 5 and the heat exchanger 5, an exhaust hood 7 is provided above the heat exchanger 5, cold water from the water supply pipe 8 is heated by the burner 2 in the heat exchanger 5, and the hot water tap V is heated. An instantaneous water heater for supplying hot water is formed with two hot water supply pipes 9.
ガス量調節弁V1を有する管路１０からのガス
燃料をバーナ２に向かつて噴出するノズル１１を
ケース１の下部に取付け、燃焼用空気を供給する
電動式フアンＦをケース１の下部に接続し、ガス
燃料と燃焼用空気の全量を混合してバーナ２に供
給するように構成してある。 A nozzle 11 for ejecting gas fuel from a conduit 10 having a gas volume control valve V 1 toward a burner 2 is attached to the lower part of the case 1, and an electric fan F for supplying combustion air is connected to the lower part of the case 1. However, the entire amount of gas fuel and combustion air is mixed and supplied to the burner 2.
給水管８に水流スイツチ等の給水確認センサー
S1を、かつ、給湯管９にサーミスター等の水温検
出センサーS2を設け、操作部１２からの指令及び
上記両センサーS1，S2からの情報に基づいて、ガ
ス量調節弁V1、フアンＦ及び点火プラグ４を自
動操作する第１制御器C1を設けてある。 Water supply confirmation sensor such as water flow switch on water supply pipe 8
S 1 and a water temperature detection sensor S 2 such as a thermistor in the hot water supply pipe 9, and based on commands from the operation unit 12 and information from both sensors S 1 and S 2 , the gas flow control valve V 1 is activated. , the fan F and the spark plug 4 are provided.
高圧の直流電源装置１３にバーナ２及びアース
１４を電圧切換装置１５によつて接続し、電圧切
換装置１５に同調操作される２個の３位置切換用
スイツチ１５ａ，１５ｂを設けて、正電極にバ
ーナ２をかつ負電極にアース１１ｂを接続する
正電圧付与状態、正負いずれの電極にもバーナ２
を接続しない無電場状態、負電極にバーナ２を
かつ正電極にアース１４を接続する負電圧付与
状態を選択できるように構成してある。また、ケ
ース１にアース１６を接続し、バーナ２と熱交換
器５の間に、正電圧付与状態では５〜10KVの電
位差をかつ負電圧付与状態では−５〜−10KVの
電位差を付与できるように構成してある。 The burner 2 and earth 14 are connected to a high-voltage DC power supply 13 through a voltage switching device 15, and two 3-position switching switches 15a and 15b operated in synchronization with the voltage switching device 15 are provided. A positive voltage application state where the burner 2 is connected to the ground 11b to the negative electrode, and the burner 2 is connected to both the positive and negative electrodes.
The structure is such that a state in which no electric field is connected, in which the burner 2 is not connected to the negative electrode, and a state in which a negative voltage is applied, in which the burner 2 is connected to the negative electrode and the ground 14 is connected to the positive electrode, can be selected. Also, by connecting the ground 16 to the case 1, a potential difference of 5 to 10 KV can be applied between the burner 2 and the heat exchanger 5 when a positive voltage is applied, and a potential difference of -5 to -10 KV can be applied when a negative voltage is applied. It is structured as follows.
管路１０にガス量検出センサーS3を設け、その
センサーS3からの情報と操作部１２からの指令に
基づいて電圧切換装置１５を自動操作する第２制
御器C2を設けてある。 A gas amount detection sensor S 3 is provided in the conduit 10, and a second controller C 2 is provided that automatically operates the voltage switching device 15 based on information from the sensor S 3 and commands from the operating section 12.
上記操作部１２と第１及び第２制御器C1，C2
の詳細を第２図及び第３図により以下に説明す
る。 The operation unit 12 and the first and second controllers C 1 and C 2
The details will be explained below with reference to FIGS. 2 and 3.
操作部１２に運転指令手段１２ａ、停止指令手
段１２ｂ、湯温設定手段１２ｃ、電圧設定手段１
２ｄを設け、第１及び第２制御器C1，C2が次の
ように動作すべく構成してある。 The operation unit 12 includes an operation command means 12a, a stop command means 12b, a hot water temperature setting means 12c, and a voltage setting means 1.
2d, and the first and second controllers C 1 and C 2 are configured to operate as follows.
(イ) 運転指令手段１２ａから給湯指令を出すと、
給水確認センサーS1からの給水報知がある時に
だけ点火指示手段１７からガス量調節弁V1の
開弁指示、フアンＦの運転指示、点火プラグ４
の運転指示、電圧切換装置１５の操作指示が出
る。(a) When a hot water supply command is issued from the operation command means 12a,
Only when there is a water supply notification from the water supply confirmation sensor S1 , the ignition instruction means 17 issues an instruction to open the gas amount control valve V1 , an instruction to operate the fan F, and a spark plug 4.
Operation instructions for the voltage switching device 15 and operation instructions for the voltage switching device 15 are issued.
(ロ) 湯温設定手段１２ｃによる設定湯温と水温検
出センサーS2の検出温度が比較手段１８ａに指
示され、比較手段１８ａからの設定湯温と検出
湯温の偏差に基づいて予め設定された弁開度が
開度指示手段１８ｂから出力手段１８ｃに指示
され、開弁指示と弁開度指示に基づいて出力手
段１８ｃによりガス量調節弁V1が所定の開度
に開かれて、バーナ２にガス燃料が供給され
る。(b) The hot water temperature set by the hot water temperature setting means 12c and the temperature detected by the water temperature detection sensor S2 are instructed to the comparing means 18a, and are set in advance based on the deviation between the hot water temperature set from the comparing means 18a and the detected hot water temperature. The valve opening degree is instructed from the opening degree instruction means 18b to the output means 18c, and the output means 18c opens the gas amount control valve V1 to a predetermined degree of opening based on the valve opening instruction and the valve opening degree instruction. gas fuel is supplied to the
(ハ) 運転指示に基づいて出力手段１９によりフア
ンＦが作動されて、バーナ２に燃焼用空気がガ
ス燃料と混合して供給される。(c) The fan F is operated by the output means 19 based on the operation instruction, and combustion air is mixed with gas fuel and supplied to the burner 2.
(ニ) 運転指示に基づいてタイマー２０ａが作動
し、タイマー２０ａからの指示に基づいて出力
手段２０ｂにより点火プラグ４が設定時間だけ
発火し、バーナ２が点火される。(d) The timer 20a operates based on the driving instruction, and the output means 20b ignites the spark plug 4 for a set time based on the instruction from the timer 20a, and the burner 2 is ignited.
(ホ) 給湯中は、湯温設定手段１２ｃと水温検出セ
ンサーS2からの情報に基づいて開度指示手段１
８ｂによりガス量調節弁V1が開度調整され、
給湯温度が設定範囲内に維持される。(E) During hot water supply, the opening instruction means 1 is set based on information from the hot water temperature setting means 12c and the water temperature detection sensor S2 .
8b adjusts the opening of the gas amount control valve V1 ,
The hot water temperature is maintained within the set range.
(ヘ) 電圧設定手段１２ｄにより指示されるガス量
とバーナ２への印加電圧の相関、並びに、ガス
量検出センサーS3の検出ガス量が電圧指示手段
２１ａに指示され、運転指示手段１２ａから操
作指示されている時は、バーナ２に印加すべき
電圧が電圧指示手段２１ａから出力手段２１ｂ
に指示され、出力手段２１ｂによる電圧切換装
置１５の操作で、第３図に示すように、検出ガ
ス量が少ない、つまりバーナ２の検出インプツ
トが小インプツトである設定値I1以下の時にだ
け、バーナ２に正電極を接続して、電場によ
る炎の加速で逆火を防止し、かつ、検出ガス量
が多い、つまりバーナ２の検出インプツトが大
インプツトである設定値I2以下の時にだけ、バ
ーナ２に負電極を接続して、電場による炎の
バーナ２側への引き寄せで炎のリフトを防止す
る。(f) The correlation between the gas amount instructed by the voltage setting means 12d and the voltage applied to the burner 2, as well as the gas amount detected by the gas amount detection sensor S3 are instructed to the voltage instruction means 21a, and the operation is performed from the operation instruction means 12a. When the instruction is given, the voltage to be applied to the burner 2 is transmitted from the voltage instruction means 21a to the output means 21b.
When the detected gas amount is small, that is, the detected input of the burner 2 is less than the set value I1, which is a small input, as shown in FIG. 3, by operating the voltage switching device 15 by the output means 21b . A positive electrode is connected to the burner 2 to prevent flashback due to the acceleration of the flame by the electric field, and only when the detected gas amount is large, that is, the detected input of the burner 2 is below the set value I 2 , which is a large input. A negative electrode is connected to the burner 2 to prevent flame lift by drawing the flame toward the burner 2 side by an electric field.
要するに、電場を利用しない通常燃焼におけ
るインプツト範囲に比して、インプツトが小さ
い側も大きい側もインプツト範囲を拡げて、タ
ーンダーン比を大きくしてある。 In short, compared to the input range in normal combustion that does not utilize an electric field, the input range is expanded both on the small and large input sides, and the turn-turn ratio is increased.
(ト) 停止指令手段１２ｂから給湯停止指令を出す
と、消化指示手段２２と電圧指示手段２１ａに
指示が出て、消化指示手段２２による出力手段
１８ｃ，１９への指示で、ガス量調節弁V1が
全閉になると共にフアンＦが停止され、また、
電圧指示手段２１ａによる出力手段２１ｂへの
指示で、バーナ２に電圧を印加しない無電場状
態に電圧切換装置１５が切換又は維持される。(G) When a hot water supply stop command is issued from the stop command means 12b, an instruction is issued to the extinguishing instructing means 22 and the voltage instructing means 21a, and the command from the extinguishing instructing means 22 to the output means 18c, 19 causes the gas amount regulating valve V to be activated. 1 is fully closed, fan F is stopped, and
The voltage switching device 15 is switched or maintained in a no-electric field state in which no voltage is applied to the burner 2 by an instruction from the voltage instruction means 21a to the output means 21b.
次に別実施例を説明する。 Next, another embodiment will be described.
実施対象とする設備は、ガスコンロや給湯器等
の各種家庭機器、ボイラーや炉等の各種産業設
備、その他いかなるものでもよい。 The equipment targeted for implementation may be various household appliances such as gas stoves and water heaters, various industrial equipment such as boilers and furnaces, and any other type of equipment.
バーナ２の具体構成は適当に選択でき、また、
使用する燃料は、都市ガス、天然ガス、プロパン
ガス、油、その他いかなるものでもよい。 The specific configuration of the burner 2 can be selected appropriately, and
The fuel used may be city gas, natural gas, propane gas, oil, or any other fuel.
直流電源装置１３の負電極にバーナ２を接続
する手段は必要な最大インプツトが余り大きくな
い場合には省略してもよい。 The means for connecting the burner 2 to the negative electrode of the DC power supply 13 may be omitted if the required maximum input is not very large.
バーナ２のインプツトを検出するに、ガス量調
節弁V1の開度検出、燃焼室６の温度検出、第１
制御器C1からガス量調節弁V1への開度指示情報
の取出し、その他適当な手段を利用できる。 To detect the input of the burner 2, the opening degree of the gas amount control valve V1 is detected, the temperature of the combustion chamber 6 is detected, and the first
It is possible to take out the opening instruction information from the controller C 1 to the gas amount control valve V 1 or use other appropriate means.
バーナ２と直流電源装置１３との接続関係を切
換えるに、電圧切換装置１５を人為操作してもよ
い。 The voltage switching device 15 may be manually operated to switch the connection relationship between the burner 2 and the DC power supply device 13.
バーナ２を正電極に接続するか否かの指標と
なるインプツトの設定値は、バーナ２の特性等に
見合つて適当に設定すればよい。 The set value of the input, which is an indicator of whether or not to connect the burner 2 to the positive electrode, may be set appropriately depending on the characteristics of the burner 2 and the like.
第１図ないし第３図は本発明の実施例を示し、
第１図は設備の概念図、第２図は制御構成のブロ
ツク図、第３図は電圧印加状態を示すグラフであ
る。
２……バーナ、１３……直流電源装置。
1 to 3 show embodiments of the present invention,
FIG. 1 is a conceptual diagram of the equipment, FIG. 2 is a block diagram of the control configuration, and FIG. 3 is a graph showing the voltage application state. 2... Burner, 13... DC power supply device.
Claims (1)
２に接続して、電場により炎を加速する燃焼方法
であつて、前記バーナ２のインプツトを検出し、
その検出インプツトが小インプツトである設定値
以下の時だけ前記電場による炎の加速を行わせる
燃焼方法。1 A combustion method in which the positive electrode of the DC power supply device 13 is connected to the metal burner 2 and the flame is accelerated by an electric field, and the input of the burner 2 is detected,
A combustion method in which the flame is accelerated by the electric field only when the detected input is less than a set value, which is a small input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61053071A JPS62210322A (en) | 1986-03-11 | 1986-03-11 | Combustion method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61053071A JPS62210322A (en) | 1986-03-11 | 1986-03-11 | Combustion method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62210322A JPS62210322A (en) | 1987-09-16 |
| JPH0565764B2 true JPH0565764B2 (en) | 1993-09-20 |
Family
ID=12932582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61053071A Granted JPS62210322A (en) | 1986-03-11 | 1986-03-11 | Combustion method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62210322A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180062419A (en) * | 2016-11-30 | 2018-06-08 | 독터. 인제니어. 하.체. 에프. 포르쉐 악티엔게젤샤프트 | Vehicle component |
-
1986
- 1986-03-11 JP JP61053071A patent/JPS62210322A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180062419A (en) * | 2016-11-30 | 2018-06-08 | 독터. 인제니어. 하.체. 에프. 포르쉐 악티엔게젤샤프트 | Vehicle component |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62210322A (en) | 1987-09-16 |
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