JPH0411639B2 - - Google Patents
Info
- Publication number
- JPH0411639B2 JPH0411639B2 JP18663387A JP18663387A JPH0411639B2 JP H0411639 B2 JPH0411639 B2 JP H0411639B2 JP 18663387 A JP18663387 A JP 18663387A JP 18663387 A JP18663387 A JP 18663387A JP H0411639 B2 JPH0411639 B2 JP H0411639B2
- Authority
- JP
- Japan
- Prior art keywords
- liquid
- tank
- heat medium
- temperature
- pump
- 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
- 239000007788 liquid Substances 0.000 claims description 45
- 238000004070 electrodeposition Methods 0.000 claims description 32
- 239000003973 paint Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 7
- 238000004381 surface treatment Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
Landscapes
- Coating Apparatus (AREA)
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は金属表面処理装置または電着塗装装置
における処理液または電着塗料の温度調整方法に
関する。DETAILED DESCRIPTION OF THE INVENTION (Industrial Field of Application) The present invention relates to a method for adjusting the temperature of a treatment liquid or an electrodeposition paint in a metal surface treatment apparatus or an electrodeposition coating apparatus.
（従来の技術および問題点）
従来の金属表面処理装置または電着塗装装置に
は、第２図および第３図に示すように、処理槽ま
たは電着槽１内の処理液または電着塗料が第１の
送液ポンプ２によつて熱交換器３に送液されたの
ち再び前記処理槽または電着槽１に戻る第１の閉
回路と、熱媒体槽４内の熱媒体が第２の送液ポン
プ５によつて前記熱交換器３に送液されたのち再
び前記熱媒体槽４に戻る第２の閉回路とを有する
ものがあり、それらの装置においては、通常前記
第２の送液ポンプを常時定格負荷で運転し、その
ときの処理液または電着塗料の温度調整方法は熱
交換器３に流れる熱媒体、即ち熱源とする液体
（温水・冷水）の流量を制御することによつて行
われるようになつており、その流量制御の仕方と
しては、前記第２の送液ポンプ５と熱交換器３の
配管経路中で熱交換器３の前後に二方口自動弁９
を２個取付けるか（第２図）、または三方口自動
弁１０を１個取付け（第３図）、一方熱交換器３
への熱媒体流量制御指令を処理液または電着塗料
の温度センサ６と温度調節計７によつて出し、前
記熱媒体流量制御指令によつて前記自動弁９，１
０の開度を変化させるようにしており、何れの場
合も第２の送液ポンプ５で定量的に送液される熱
媒体が熱交換器３に流れる量を制御するためにバ
イパス回路への逃がし量を調節することで行なつ
ている。(Prior Art and Problems) In conventional metal surface treatment equipment or electrodeposition coating equipment, as shown in FIGS. A first closed circuit in which the liquid is sent to the heat exchanger 3 by the first liquid sending pump 2 and then returned to the processing tank or electrodeposition tank 1, and a second closed circuit in which the heat medium in the heat medium tank 4 is Some devices have a second closed circuit in which the liquid is sent to the heat exchanger 3 by the liquid sending pump 5 and then returned to the heat medium tank 4. The liquid pump is always operated at the rated load, and the temperature of the processing liquid or electrodeposited paint is controlled by controlling the flow rate of the heat medium flowing into the heat exchanger 3, that is, the liquid (hot water/cold water) that serves as the heat source. In order to control the flow rate, two-way automatic valves 9 are installed before and after the heat exchanger 3 in the piping route between the second liquid pump 5 and the heat exchanger 3.
(Fig. 2) or one three-way automatic valve 10 (Fig. 3), while the heat exchanger 3
A heating medium flow control command is issued to the processing liquid or electrocoating paint by a temperature sensor 6 and a temperature controller 7, and the automatic valves 9 and 1 are controlled by the heating medium flow control command.
0 opening degree is changed, and in any case, in order to control the amount of the heat medium quantitatively sent by the second liquid sending pump 5 flowing into the heat exchanger 3, the bypass circuit is This is done by adjusting the amount of relief.
ところがバイパス回路へ逃がす流体の送液動力
は何の役にもたたず、全く無駄なエネルギを消費
しているという問題があつた。またそれぞれの自
動弁９，１０には自動弁故障対策としてのバイパ
ス回路配管、手動弁などが付設されているが構造
が複雑であるという問題があつた。 However, there was a problem in that the power for sending the fluid to the bypass circuit was of no use and wasted energy. Further, each automatic valve 9, 10 is provided with bypass circuit piping, a manual valve, etc. as a countermeasure against failure of the automatic valve, but there is a problem in that the structure is complicated.
（問題点を解決するための手段）
本発明は、上述の問題点を解決するために無駄
なエネルギを消費しないこと、並びに自動弁およ
び自動弁故障対策としてのバイパス配管、手動弁
などを不要にすることを可能にする温度調整方法
を提供することを目的とするものであり、その発
明は、処理槽または電着槽内の処理液または電着
塗料が第１の送液ポンプによつて熱交換器に送液
されたのち再び前記処理槽または電着槽に戻る第
１の閉回路と、熱媒体槽内の熱媒体が第２の送液
ポンプによつて前記熱交換器に送液されたのち再
び前記熱媒体槽に戻る第２の閉回路とを有する金
属表面処理装置または電着塗装装置において、前
記熱交換器への熱媒体流量制御指令を処理液また
は電着塗料の温度センサと温度調節計によつて出
し、前記熱媒体流量制御指令によつて前記第２の
送液ポンプの回転数を変化させるための回転数変
化手段を作動させるようにし、それによつて前記
処理液または電着塗料の温度を調整するようにし
たものである。(Means for Solving the Problems) In order to solve the above-mentioned problems, the present invention eliminates wasted energy consumption and eliminates the need for automatic valves and bypass piping, manual valves, etc. as measures against automatic valve failures. It is an object of the present invention to provide a temperature adjustment method that makes it possible to A first closed circuit in which the liquid is sent to the exchanger and then returned to the processing tank or the electrodeposition tank, and a second closed circuit in which the heat medium in the heat medium tank is sent to the heat exchanger by a second liquid sending pump. In a metal surface treatment device or an electrocoating device having a second closed circuit that returns to the heat medium tank again, a heat medium flow rate control command to the heat exchanger is transmitted to a temperature sensor of the processing liquid or the electrocoating paint. A temperature controller is used to operate a rotation speed changing means for changing the rotation speed of the second liquid pump in accordance with the heat medium flow rate control command, thereby causing the processing liquid or electric current to flow. It is designed to adjust the temperature of the applied paint.
（実施例）
以下本発明による金属表面処理装置または電着
塗装装置における処理液または電着塗料の温度調
整方法の実施例について第１図を参照して説明す
る。(Example) Hereinafter, an example of a method for adjusting the temperature of a treatment liquid or an electrodeposition paint in a metal surface treatment apparatus or an electrodeposition coating apparatus according to the present invention will be described with reference to FIG.
第１図は本発明による金属表面処理装置または
電着塗装装置の線図的説明図であり、処理槽また
は電着槽１内の処理液または電着塗料が第１の送
液ポンプ２によつて熱交換器３に送液されたのち
再び前記処理槽または電着槽１にに戻る第１の閉
回路と、熱媒体槽４内の熱媒体が第２の送液ポン
プ５によつて前記熱交換器３に送液されたのち再
び前記熱媒体槽４に戻る第２の閉回路とを有して
いる。 FIG. 1 is a diagrammatic explanatory diagram of a metal surface treatment apparatus or an electrodeposition coating apparatus according to the present invention, in which the treatment liquid or electrodeposition paint in a treatment tank or electrodeposition tank 1 is pumped by a first liquid feeding pump 2. a first closed circuit in which the liquid is sent to the heat exchanger 3 and then returned to the processing tank or the electrodeposition tank 1; It has a second closed circuit in which the liquid is sent to the heat exchanger 3 and then returns to the heat medium tank 4 again.
処理槽または電着槽１内の処理液または電着塗
料は加温または冷却を必要とするが、加温するこ
とが必要の場合には熱媒体槽４は温水槽となつて
熱交換器３では処理液または電着塗料に熱を与
え、一方冷却することが必要の場合には熱媒体槽
４は冷水槽となつて熱交換器３では処理液または
電着塗料から熱を奪う。熱媒体槽内の熱媒体の温
度制御は周知の方法で行う。 The processing liquid or electrodeposition paint in the treatment tank or electrodeposition tank 1 needs to be heated or cooled, and if heating is necessary, the heat medium tank 4 becomes a hot water tank and the heat exchanger 3 In this case, heat is applied to the treatment liquid or electrocoating paint, while when cooling is required, the heat medium tank 4 becomes a cold water tank and the heat exchanger 3 removes heat from the treatment liquid or the electrocoat paint. The temperature of the heat medium in the heat medium tank is controlled by a well-known method.
さて本発明においては、処理槽または電着槽内
の処理液または電着塗料の温度を調整するため
に、熱交換器３への熱媒体流量制御指令を処理液
または電着塗料の温度センサ６と温度調節計７に
よつて出し、前記熱媒体流量制御指令によつて第
２の送液ポンプ５の回転数を変化させるため、温
度調節計７と第２の送液ポンプ５の駆動モータと
の間に介設されたインバータ８を作動させるよう
にしており、必要量のみの熱媒体が熱交換器３に
流れるようになつている。 In the present invention, in order to adjust the temperature of the processing solution or electrodeposition paint in the processing tank or electrodeposition tank, a heat medium flow rate control command to the heat exchanger 3 is sent to the temperature sensor 6 of the processing solution or electrodeposition paint. The temperature controller 7 and the drive motor of the second liquid feed pump 5 are connected to each other in order to change the rotation speed of the second liquid feed pump 5 according to the heat medium flow rate control command. An inverter 8 interposed between the two is operated, so that only the necessary amount of heat medium flows to the heat exchanger 3.
本実施例においては温度調節計７と第２の送液
ポンプ５との間に介設されたインバータ８を回転
数変化手段として例示したが、それ以外の手段と
して第２の送液ポンプ５とその駆動モータとの間
に変速機を介装させたり、第２の送液ポンプ５の
駆動モータをポールチエンジ機構のものにするこ
ともできる。 In this embodiment, the inverter 8 interposed between the temperature controller 7 and the second liquid feeding pump 5 is exemplified as the rotation speed changing means, but other means include the second liquid feeding pump 5 and the second liquid feeding pump 5. A transmission may be interposed between the drive motor and the drive motor of the second liquid feeding pump 5 may be of a pole change mechanism.
（発明の効果）
本発明による処理液または電着塗料の温度調整
方法は、上述のように構成されているので、従来
の自動弁および自動弁故障対策としてのバイパス
回路配管、手動弁などを不要とすることができ、
また省エネを実現させることができた。(Effects of the Invention) Since the method for adjusting the temperature of a processing liquid or electrocoating paint according to the present invention is configured as described above, there is no need for conventional automatic valves, bypass circuit piping, manual valves, etc. as countermeasures against automatic valve failures. can be,
We were also able to achieve energy savings.
第１図は本発明による金属表面処理装置または
電着塗装装置における処理液または電着塗料の温
度調整方法の実施例の線図的説明図、第２図およ
び第３図は従来の処理液または電着塗料の温度調
整方法の線図的説明図である。
１……処理槽または電着槽、２……第１の送液
ポンプ、３……熱交換器、４……熱媒体槽、５…
…第２の送液ポンプ、６……温度センサ、７……
温度調節計、８……インバータ、９……自動弁、
１０……自動弁。
FIG. 1 is a diagrammatic explanatory diagram of an embodiment of a method for adjusting the temperature of a treatment liquid or electrocoat in a metal surface treatment apparatus or an electrodeposition coating apparatus according to the present invention, and FIGS. 2 and 3 are diagrams showing a conventional treatment liquid or FIG. 2 is a diagrammatic explanatory diagram of a method for adjusting the temperature of electrodeposition paint. DESCRIPTION OF SYMBOLS 1... Processing tank or electrodeposition tank, 2... First liquid pump, 3... Heat exchanger, 4... Heat medium tank, 5...
...Second liquid pump, 6...Temperature sensor, 7...
Temperature controller, 8... Inverter, 9... Automatic valve,
10...Automatic valve.
Claims (1)
料が第１の送液ポンプによつて熱交換器に送液さ
れたのち再び前記処理槽または電着槽に戻る第１
の閉回路と、熱媒体槽内の熱媒体が第２の送液ポ
ンプによつて前記熱交換器に送液されたのち再び
前記熱媒体槽に戻る第２の閉回路とを有する金属
表面処理装置または電着塗装装置において、前記
熱交換器への熱媒体流量制御指令を処理液または
電着塗料の温度センサと温度調節計によつて出
し、前記熱媒体流量制御指令によつて前記第２の
送液ポンプの回転数を変化させるための回転数変
化手段を作動させるようにし、それによつて前記
処理液または電着塗料の温度を調整するようにし
たことを特徴とする金属表面処理装置または電着
塗装装置における処理液または電着塗料の温度調
整方法。 ２ 特許請求の範囲第１項記載の温度調整方法に
おいて、前記回転数変化手段は前記温度調節計と
前記第２の送液ポンプの駆動モータとの間に介設
されたインバータである温度調整方法。 ３ 特許請求の範囲第１項記載の温度調整方法に
おいて、前記回転数変化手段は前記第２の送液ポ
ンプとその駆動モータとの間に介装された変速機
である温度調整方法。 ４ 特許請求の範囲第１項に記載の温度調整方法
において、前記回転数変化手段は前記第２の送液
ポンプの駆動モータがポールチエンジ機構のもの
である温度調整方法。[Claims] 1. The processing liquid or electrodeposition paint in the processing tank or electrodeposition tank is sent to the heat exchanger by the first liquid pump and then returned to the processing tank or electrodeposition tank. 1st
and a second closed circuit in which the heat medium in the heat medium tank is sent to the heat exchanger by a second liquid sending pump and then returned to the heat medium tank. In the apparatus or electrocoating apparatus, a heat medium flow control command to the heat exchanger is issued by a temperature sensor and a temperature controller for the processing liquid or electrocoating paint, and the heat medium flow control command is used to control the second heat medium flow rate. A metal surface treatment apparatus, characterized in that the temperature of the treatment liquid or electrodeposition paint is adjusted by operating a rotation speed changing means for changing the rotation speed of the liquid feeding pump, or A method for adjusting the temperature of a treatment liquid or electrocoating paint in an electrocoating device. 2. The temperature adjustment method according to claim 1, wherein the rotation speed changing means is an inverter interposed between the temperature controller and the drive motor of the second liquid pump. . 3. The temperature adjustment method according to claim 1, wherein the rotation speed changing means is a transmission interposed between the second liquid feeding pump and its drive motor. 4. The temperature adjustment method according to claim 1, wherein the rotation speed changing means is a drive motor of the second liquid feeding pump of a pole change mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18663387A JPS6431995A (en) | 1987-07-28 | 1987-07-28 | Method for controlling temperature of processing solution or electrodeposition paint in metal surface treating device or electrodeposition coating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18663387A JPS6431995A (en) | 1987-07-28 | 1987-07-28 | Method for controlling temperature of processing solution or electrodeposition paint in metal surface treating device or electrodeposition coating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6431995A JPS6431995A (en) | 1989-02-02 |
| JPH0411639B2 true JPH0411639B2 (en) | 1992-03-02 |
Family
ID=16191995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18663387A Granted JPS6431995A (en) | 1987-07-28 | 1987-07-28 | Method for controlling temperature of processing solution or electrodeposition paint in metal surface treating device or electrodeposition coating device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6431995A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104195624A (en) * | 2014-08-26 | 2014-12-10 | 东莞市名星太阳能科技有限公司 | Energy-saving heating device for electroplating |
-
1987
- 1987-07-28 JP JP18663387A patent/JPS6431995A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6431995A (en) | 1989-02-02 |
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