JPH0144907B2 - - Google Patents
Info
- Publication number
- JPH0144907B2 JPH0144907B2 JP3411086A JP3411086A JPH0144907B2 JP H0144907 B2 JPH0144907 B2 JP H0144907B2 JP 3411086 A JP3411086 A JP 3411086A JP 3411086 A JP3411086 A JP 3411086A JP H0144907 B2 JPH0144907 B2 JP H0144907B2
- Authority
- JP
- Japan
- Prior art keywords
- gas
- cylinder
- temperature
- cooling water
- valve chamber
- 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
Links
- 239000000498 cooling water Substances 0.000 claims description 44
- 230000005494 condensation Effects 0.000 claims description 8
- 238000009833 condensation Methods 0.000 claims description 8
- 230000002265 prevention Effects 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
Landscapes
- Compressor (AREA)
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、往復動ガス圧縮機におけるシリンダ
吸入弁室の結露防止装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a dew condensation prevention device for a cylinder suction valve chamber in a reciprocating gas compressor.
発明が解決しようとする問題点
温度のあるガスの温度を水分飽和温度以下（過
飽和域）に冷すと、水分が結露する。ガス圧縮機
に吸込まれるガスも、吸入側で過冷却が起きる
と、水分を凝縮し結露する。このように凝縮され
た水分は、シリンダ吸入弁室内で腐食を促進し吸
入弁の作動を阻害するに至る。また、凝縮された
水分がシリンダ内に吸込まれると、シリンダ、ピ
ストン及びピストンリング等の摩耗を促進し圧縮
機の吐出圧力、吐出容量等の損失を招くに至る。Problems to be Solved by the Invention When the temperature of a hot gas is cooled to below the moisture saturation temperature (supersaturation region), moisture condenses. When the gas sucked into the gas compressor becomes supercooled on the suction side, moisture condenses and forms condensation. The condensed moisture promotes corrosion within the cylinder suction valve chamber and impedes the operation of the suction valve. Furthermore, when the condensed water is sucked into the cylinder, it accelerates wear of the cylinder, piston, piston ring, etc., leading to loss of discharge pressure, discharge capacity, etc. of the compressor.
本発明は、ガス圧縮機の吸入行程での被圧縮ガ
スの水分凝縮を防止して上記問題点を解決するこ
とができる往復動ガス圧縮機におけるシリンダ吸
入弁室の結露防止装置を提供するものである。 The present invention provides a dew condensation prevention device for a cylinder suction valve chamber in a reciprocating gas compressor, which can solve the above problem by preventing moisture condensation in compressed gas during the suction stroke of the gas compressor. be.
問題点を解決するための手段
すなわち、本発明は、第１発明と第２発明から
なり、第１発明は、第１図に示すように、被圧縮
ガスをガス冷却器１０を通じシリンダ吸入弁室２
０１を介してシリンダ２０内に吸入する往復動式
ガス圧縮機において、前記ガス冷却器１０から前
記シリンダ吸入弁室２０１に流入する被圧縮ガス
の温度を検出して、前記ガス温度が水分飽和温度
以上になるように、前記ガス冷却器１０の冷却水
量を加減すると共に、シリンダ２０の冷却水の出
口温度を検出して、前記冷却水温度が前記ガス温
度より高くなるように、前記シリンダ２０の冷却
水量を加減できるようにしてなるものである。Means for Solving the Problems That is, the present invention consists of a first invention and a second invention, and the first invention, as shown in FIG. 2
In a reciprocating gas compressor that sucks air into a cylinder 20 through a gas cooler 10, the temperature of the compressed gas flowing into the cylinder suction valve chamber 201 from the gas cooler 10 is detected, and the gas temperature is determined to be the moisture saturation temperature. As described above, the amount of cooling water in the gas cooler 10 is adjusted, and the outlet temperature of the cooling water in the cylinder 20 is detected so that the temperature of the cooling water becomes higher than the gas temperature. This allows the amount of cooling water to be adjusted.
第２発明は、被圧縮ガス冷却器１０Ｂ及び水分
分離器１０１Ｂを通じシリンダ吸入弁室２０１Ｂ
を介してシリンダ２０Ｂ内に吸入する往復動ガス
圧縮機において、前記水分分離器１０１Ｂから前
記シリンダ吸入弁室２０１Ｂに流入する被圧縮ガ
スの温度を検出すると共に、シリンダ２０Ｂ冷却
水の出口温度を検出して前記冷却水温度が前記ガ
ス温度より高くなるように、前記シリンダ２０Ｂ
の冷却水量を加減できるようにしてなるものであ
る。 The second invention provides a cylinder suction valve chamber 201B through a compressed gas cooler 10B and a moisture separator 101B.
In a reciprocating gas compressor that sucks into the cylinder 20B via the water separator 101B, the temperature of the compressed gas flowing into the cylinder suction valve chamber 201B is detected, and the outlet temperature of the cooling water of the cylinder 20B is detected. the cylinder 20B so that the cooling water temperature is higher than the gas temperature.
The amount of cooling water can be adjusted.
本発明の第１発明及び第２発明において、ガス
冷却器１０，１０Ｂは、流入する被圧縮ガスを冷
却水により冷却して水分分離器１０１Ｂ又はシリ
ンダ吸入弁室２０１に流出させるもので、サクシ
ヨンガス冷却器のほか中間ガス冷却器（インター
クーラ）を含むものである。水分分離器１０１Ｂ
は、流入する被圧縮ガスの中から水滴状水分を除
去できるようにしたものである。 In the first and second inventions of the present invention, the gas coolers 10 and 10B cool the inflowing compressed gas with cooling water and cause it to flow out into the moisture separator 101B or the cylinder suction valve chamber 201, and are used for cooling In addition to the gas cooler, it also includes an intermediate gas cooler (intercooler). Moisture separator 101B
The compressor is designed to remove water droplets from the inflowing compressed gas.
本発明装置が使用される往復動ガス圧縮機は、
１段圧縮機のほか２段以上の多段圧縮機に適用さ
れる。 The reciprocating gas compressor in which the device of the present invention is used is:
Applicable to single-stage compressors as well as multi-stage compressors with two or more stages.
実施例
本発明の第１発明を第１図に基いて以下説明す
る。EXAMPLES The first invention of the present invention will be explained below based on FIG.
１０はガス冷却器、１１はガス冷却器から出て
後記シリンダ吸入弁室２０１に吸入される被圧縮
ガスのガス温度検出器、１２はガス冷却器１０の
冷却水入口側に設けられた自動水量調節弁でガス
温度検出器１１で検出されたガス温度の高低によ
りガス冷却器１０の冷却水量を加減できるように
したもの、２０は冷却水により冷却されるように
したシリンダ、２０１はシリンダ吸入弁室、２１
はシリンダ冷却水出口側に設けられた冷却水の温
度検出器、２２はシリンダ冷却水入口側に設けら
れた自動水量調節弁で、冷却水温度検出器２１で
検出された冷却水出口温度の高低によりシリンダ
２０の冷却水量を加減できるようにしたものであ
る。 10 is a gas cooler, 11 is a gas temperature detector for the compressed gas that comes out of the gas cooler and is sucked into the cylinder suction valve chamber 201 (described later), and 12 is an automatic water volume installed on the cooling water inlet side of the gas cooler 10. A control valve that can adjust the amount of cooling water in the gas cooler 10 depending on the level of gas temperature detected by the gas temperature detector 11, 20 is a cylinder that is cooled by cooling water, and 201 is a cylinder suction valve. room, 21
22 is a cooling water temperature sensor installed on the cylinder cooling water outlet side, and 22 is an automatic water flow control valve installed on the cylinder cooling water inlet side. This allows the amount of cooling water in the cylinder 20 to be adjusted.
今、ガス冷却器１０から流出した被圧縮ガスの
圧力（Kg／cm2）をＰ、温度（℃）をTG、被圧縮
ガスが圧力Ｐ下で水分が飽和となる温度（℃）を
tg、シリンダ吸入弁室２１の内部壁温度（℃）
tc、シリンダ冷却水出口温度（℃）TWとすれ
ば、
TG＝〔tg＋（15〜20）〕
tc≒TW＝〔TG＋（０〜５）〕
TW≒tc
上記の温度関係が保持できるように、各自動水
量調節弁を設定し、自動水量調節弁１２はTG＞
tgの場合にはガス冷却器１０の冷却水量を増水
し、TG＜tgの場合には前記冷却水量を減水す
る。また、自動水量調節弁２２はtc≒TW＞TG
の場合にはガス冷却器の冷却水量を増水し、tc≒
TW＜TGの場合には、前記冷却水量を減水でき
るようにする。 Now, the pressure (Kg/cm 2 ) of the compressed gas flowing out from the gas cooler 10 is P, the temperature (°C) is TG, and the temperature (°C) at which the compressed gas becomes saturated with water under pressure P is
tg, internal wall temperature of cylinder suction valve chamber 21 (℃)
tc, cylinder cooling water outlet temperature (℃) TW, then TG = [tg + (15 to 20)] tc≒TW = [TG + (0 to 5)] TW≒tc In order to maintain the above temperature relationship, Set each automatic water volume control valve, and set the automatic water volume control valve 12 to TG>
In the case of tg, the amount of cooling water in the gas cooler 10 is increased, and in the case of TG<tg, the amount of cooling water is decreased. In addition, the automatic water flow control valve 22 is tc≒TW>TG
In this case, increase the amount of cooling water in the gas cooler until tc≒
When TW<TG, the amount of cooling water can be reduced.
本発明の第２発明を第２図に基いて以下説明す
る。 The second invention of the present invention will be explained below based on FIG.
１０Ｂはガス冷却器で冷却水により充分に冷却
できるようにしたもの、１０１Ｂは水分分離器、
１１Ｂは水分分離器１０１Ｂから出て後記シリン
ダ吸入弁室２０１Ｂに吸入される被圧縮ガスのガ
ス温度検出器、２０Ｂは冷却水により冷却される
ようにしたシリンダ、２０１Ｂはシリンダ吸入弁
室、２１Ｂはシリンダ冷却水出口側に設けられた
冷却水の温度検出器、２２Ｂはシリンダ冷却水入
口側に設けられた自動水量調節弁で、ガス温度検
出器１１Ｂで検出されたガス温度と冷却水温度検
出器２１Ｂで検出された冷却水出口温度の温度差
の高低によりシリンダ２０Ｂの冷却水量を加減で
きるようにしたものである。 10B is a gas cooler that can be sufficiently cooled with cooling water, 101B is a moisture separator,
11B is a gas temperature sensor for the compressed gas that exits the water separator 101B and is sucked into a cylinder suction valve chamber 201B (described later); 20B is a cylinder cooled by cooling water; 201B is a cylinder suction valve chamber; A cooling water temperature detector provided on the cylinder cooling water outlet side, 22B is an automatic water flow control valve provided on the cylinder cooling water inlet side, and a gas temperature detected by the gas temperature detector 11B and a cooling water temperature detector. The amount of cooling water in the cylinder 20B can be adjusted depending on the temperature difference between the cooling water outlet temperatures detected at the cylinder 21B.
今、水分分離器１０１Ｂから流出した被圧縮ガ
スの温度（℃）をTG、シリンダ吸入弁室２０１
Ｂの内部壁温度（℃）tc、シリンダ冷却水出口温
度（℃）TWとすれば、
tc≒TW＝〔TG＋（０〜５）〕
TW≒tc
２３ＢはTWとTGとの温度差発信器である。
２４Ｂは、温度差発信器２３Ｂからの電気信号を
受信し空気圧信号に変換調節し水量調節弁２２Ｂ
に動作指令を出すものである。ここで温度差
〔TW―TG〕＞2.5℃の場合には、シリンダ冷却水
量を増水し、温度差〔TW―TG〕＜2.5℃の場合
には、シリンダ冷却水量を減水できるように、自
動水量調節弁２２Ｂを動作できるようにする。 Now, the temperature (°C) of the compressed gas flowing out from the moisture separator 101B is TG, and the cylinder suction valve chamber 201
If B's internal wall temperature (℃) tc and cylinder cooling water outlet temperature (℃) TW, then tc≒TW=[TG+(0~5)] TW≒tc 23B is a temperature difference transmitter between TW and TG. be.
24B is a water flow control valve 22B that receives the electric signal from the temperature difference transmitter 23B, converts it into an air pressure signal, and adjusts it.
It issues operation commands to the If the temperature difference [TW - TG] > 2.5℃, the cylinder cooling water amount is increased, and if the temperature difference [TW - TG] < 2.5℃, the cylinder cooling water amount is automatically reduced. The control valve 22B is made operable.
作用及び発明の効果
従つて、本発明の第１発明装置では、ガス冷却
器１０には水分分離器が付属していないが、ガス
冷却器１０で冷却後の被圧縮ガスのガス温度を、
ガス冷却器１０の冷却水量の増減により常に水分
飽和温度以上に維持するので、被圧縮ガスはガス
冷却器１０を出てシリンダ吸入弁室２０１に入る
までは水分が結露することはなく、シリンダ吸入
弁室２０１では、被圧縮ガスは、シリンダ２０の
冷却水量の増減により、シリンダ吸入弁室２０１
の内部壁温度（シリンダ冷却水出口温度）が被圧
縮ガスの前記ガス温度以上に維持されるので、被
圧縮ガスはシリンダ吸入弁室２０１では結露する
ことがない。Operation and Effects of the Invention Therefore, in the first inventive device of the present invention, although the gas cooler 10 does not include a moisture separator, the gas temperature of the compressed gas after being cooled by the gas cooler 10 can be adjusted to
Since the temperature is always maintained above the moisture saturation temperature by increasing or decreasing the amount of cooling water in the gas cooler 10, moisture does not condense in the compressed gas until it leaves the gas cooler 10 and enters the cylinder suction valve chamber 201, and the gas does not reach the cylinder suction. In the valve chamber 201, the compressed gas flows into the cylinder suction valve chamber 201 depending on the amount of cooling water in the cylinder 20.
Since the internal wall temperature (cylinder cooling water outlet temperature) is maintained above the gas temperature of the compressed gas, the compressed gas does not condense in the cylinder suction valve chamber 201.
また、本発明の第２発明装置では、被圧縮ガス
はガス冷却器１０Ｂで充分冷却され水分分離器１
０１Ｂで水滴状水分が除去されたのち、シリンダ
吸入弁室２０１Ｂに吸入され、シリンダ吸入弁室
２０１Ｂでは、被圧縮ガスは、シリンダ２０Ｂの
冷却水量の増減により、シリンダ吸入弁室２０１
Ｂの内部壁温度（シリンダ冷却水出口温度）が吸
入されたときのガス温度以上に維持されるので、
被圧縮ガスはシリンダ吸入弁室２０１Ｂでは結露
することはない。 Further, in the second invention device of the present invention, the compressed gas is sufficiently cooled by the gas cooler 10B and the moisture separator 1
After water droplets are removed in step 01B, the compressed gas is sucked into the cylinder suction valve chamber 201B.
Since the internal wall temperature of B (cylinder cooling water outlet temperature) is maintained above the gas temperature when it is sucked in,
The compressed gas does not condense in the cylinder suction valve chamber 201B.
以上のように、本発明装置は、被圧縮ガスのガ
ス温度とガス冷却器又は（及び）シリンダの冷却
水温度を検出して、シリンダ吸入弁室に入る被圧
縮ガス温度を常に水分凝縮の起らない温度域に維
持されるように前記冷却水量を加減して、圧縮機
の吸入行程での水分凝縮による前述の弊害を防止
できるようにしたもので、簡単容易に装置できる
利点を有するものである。 As described above, the device of the present invention detects the gas temperature of the compressed gas and the cooling water temperature of the gas cooler or/and cylinder, and constantly adjusts the temperature of the compressed gas entering the cylinder suction valve chamber to cause water condensation. The amount of cooling water is adjusted so that the temperature is maintained within a temperature range that is not high, thereby preventing the above-mentioned adverse effects caused by moisture condensation during the suction stroke of the compressor, and it has the advantage of being easy to install. be.
第１図は本発明の第１発明装置を示した原理説
明図、第２図は本発明の第２発明装置を示した原
理説明図である。
１０，１０Ｂ…ガス冷却器、１０１Ｂ…水分分
離器、２０，２０Ｂ…シリンダ、２０１，２０１
Ｂ…シリンダ吸入弁室。
FIG. 1 is a principle explanatory diagram showing a first inventive device of the present invention, and FIG. 2 is a principle explanatory diagram showing a second inventive device of the present invention. 10, 10B... Gas cooler, 101B... Moisture separator, 20, 20B... Cylinder, 201, 201
B...Cylinder suction valve chamber.
Claims (1)
弁室を介してシリンダ内に吸入する往復動式ガス
圧縮機において、前記ガス冷却器から前記シリン
ダ吸入弁室に流入する被圧縮ガスの温度を検出し
て、前記ガス温度が水分飽和温度以上になるよう
に、前記ガス冷却器の冷却水量を加減すると共
に、シリンダの冷却水の出口温度を検出して、前
記冷却水温度が前記ガス温度より高くなるよう
に、前記シリンダの冷却水量を加減できるように
したことを特徴とした往復動ガス圧縮機における
シリンダ吸入弁室の結露防止装置。 ２ 被圧縮ガスをガス冷却器及び水分分離器を通
じシリンダ吸入弁室を介してシリンダ内に吸入す
る往復動ガス圧縮機において、前記水分分離器か
ら前記シリンダ吸入弁室に流入する被圧縮ガスの
温度を検出すると共に、シリンダ冷却水の出口温
度を検出して、前記冷却水温度が前記ガス温度よ
り高くなるように、前記シリンダの冷却水量を加
減できるようにしたことを特徴とした往復動ガス
圧縮機におけるシリンダ吸入弁室の結露防止装
置。[Scope of Claims] 1. In a reciprocating gas compressor that sucks compressed gas into a cylinder through a gas cooler and through a cylinder suction valve chamber, the compressed gas flows from the gas cooler into the cylinder suction valve chamber. The temperature of the gas is detected, and the amount of cooling water in the gas cooler is adjusted so that the gas temperature becomes equal to or higher than the moisture saturation temperature, and the outlet temperature of the cooling water of the cylinder is detected, and the temperature of the cooling water is adjusted. A dew condensation prevention device in a cylinder suction valve chamber in a reciprocating gas compressor, characterized in that the amount of cooling water in the cylinder can be adjusted so that the temperature becomes higher than the gas temperature. 2. In a reciprocating gas compressor that sucks compressed gas into a cylinder through a gas cooler and a moisture separator through a cylinder suction valve chamber, the temperature of the compressed gas flowing from the moisture separator into the cylinder suction valve chamber. The reciprocating gas compression system is characterized in that the outlet temperature of the cylinder cooling water is detected, and the amount of cooling water in the cylinder can be adjusted so that the temperature of the cooling water becomes higher than the gas temperature. A device to prevent condensation in the cylinder suction valve chamber of a machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3411086A JPS62191678A (en) | 1986-02-18 | 1986-02-18 | Dew preventive device for cylinder suction valve chest of reciprocative gas compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3411086A JPS62191678A (en) | 1986-02-18 | 1986-02-18 | Dew preventive device for cylinder suction valve chest of reciprocative gas compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62191678A JPS62191678A (en) | 1987-08-22 |
| JPH0144907B2 true JPH0144907B2 (en) | 1989-10-02 |
Family
ID=12405134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3411086A Granted JPS62191678A (en) | 1986-02-18 | 1986-02-18 | Dew preventive device for cylinder suction valve chest of reciprocative gas compressor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62191678A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8849604B2 (en) | 2011-05-24 | 2014-09-30 | Clark Equipment Company | Method for calculating the probability of moisture build-up in a compressor |
| CN103216410A (en) * | 2013-04-26 | 2013-07-24 | 宁波力丰机电科技有限公司 | Double-cylinder coaxial direct-acting oilless air compressor |
-
1986
- 1986-02-18 JP JP3411086A patent/JPS62191678A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62191678A (en) | 1987-08-22 |
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