JPH0776400A - Automatic pressure-feed controller for hydrochloric acid fumes from tank truck - Google Patents
Automatic pressure-feed controller for hydrochloric acid fumes from tank truckInfo
- Publication number
- JPH0776400A JPH0776400A JP24353393A JP24353393A JPH0776400A JP H0776400 A JPH0776400 A JP H0776400A JP 24353393 A JP24353393 A JP 24353393A JP 24353393 A JP24353393 A JP 24353393A JP H0776400 A JPH0776400 A JP H0776400A
- Authority
- JP
- Japan
- Prior art keywords
- hydrochloric acid
- tank
- chamber
- gas
- storage tank
- 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.)
- Granted
Links
Landscapes
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】本発明は、塩酸(濃度35%程度
の濃厚塩酸水溶液)をタンクに充填した輸送用タンクロ
ーリから工場等に設置された貯槽に塩酸を空気加圧圧送
方式により圧送する際にタンク内に残る塩酸ヒュームガ
スの圧送制御装置に関する。BACKGROUND OF THE INVENTION The present invention relates to a case where hydrochloric acid (concentrated hydrochloric acid aqueous solution having a concentration of about 35%) is pumped into a storage tank installed in a factory or the like from a transport tank truck filled with hydrochloric acid by a pneumatic pressurization method. The present invention relates to a pressure feeding control device for fume gas of hydrochloric acid remaining in a tank.
【0002】[0002]
【従来の技術】従来、塩酸輸送用タンクローリ(L)の
タンク(A)内の塩酸を貯槽(B)内に供給する空気加
圧圧送方式として、図4に示すようにタンクローリ
(L)に装備されたエアコンプレッサー(a)によりタ
ンク(A)内に高圧空気を圧入し、該高圧空気によりタ
ンク(A)内の塩酸を供給ホース(b)を通じて貯槽
(B)内に圧送する方式が一般に行われている。しか
し、上記の塩酸圧送終了時にタンク(A)内に多量の加
圧気体が塩酸ヒュームガスとして残り、該塩酸ヒューム
ガスは上記供給ホース(b)を経て一旦貯槽(B)内に
入り、ついで管(c)を通じて貯槽(B)外に流出す
る。この塩酸ヒュームガスを安全に処理するために、該
ヒュームガスを、貯槽(B)外に配置されたスクラバー
(C)に送り、そこで塩酸ヒュームガスに水シャワーを
施して塩酸分は水に溶解させて低濃度の塩酸水溶液とし
て排出すると共に空気は大気中に放出する方法を採って
いる。2. Description of the Related Art Conventionally, as shown in FIG. 4, a tank lorry (L) is equipped with an air pressure and pressure feeding system for supplying hydrochloric acid in a tank (A) of a hydrochloric acid transport tank lorry (L) into a storage tank (B). A high pressure air is forced into the tank (A) by the compressed air compressor (a), and the hydrochloric acid in the tank (A) is pressure-fed into the storage tank (B) through the supply hose (b) by the high pressure air. It is being appreciated. However, a large amount of pressurized gas remains in the tank (A) as hydrochloric acid fume gas at the end of the above-described hydrochloric acid pressure feeding, and the hydrochloric acid fume gas once enters the storage tank (B) via the supply hose (b), and then the pipe. It flows out of the storage tank (B) through (c). In order to safely treat the fume gas of hydrochloric acid, the fume gas is sent to a scrubber (C) arranged outside the storage tank (B), and the fume gas of hydrochloric acid is subjected to a water shower to dissolve the hydrochloric acid content in water. Is discharged as a low-concentration aqueous solution of hydrochloric acid and air is released into the atmosphere.
【0003】しかし、上記の従来方式では、高圧多量の
塩酸ヒュームガスがタンク(A)内から急速に吹き出し
てスクラバー(C)内に送りこまれるから、これを十分
に処理するためには大容量のスクラバーが必要となり、
もしスクラバー(C)の処理能力が十分でない場合は、
処理しきれない塩酸ヒュームガスが大気中に放出されて
環境に重大な影響をおよぼすこととなる。However, in the above-mentioned conventional method, a large amount of high-pressure fume gas of hydrochloric acid is rapidly blown out of the tank (A) and sent into the scrubber (C). You need a scrubber,
If the processing capacity of the scrubber (C) is not sufficient,
Fume gas that cannot be processed is released into the atmosphere and has a serious impact on the environment.
【0004】その対策として、従来は、作業員が、タン
ク(A)内からの塩酸圧送につづく塩酸ヒュームガスの
吹き出し直前をみはからって、上記供給ホース(b)の
供給弁(d)を適宜絞って塩酸ヒュームガスの単位時間
あたりの流量を制限する方法を行っているが、上記供給
弁(d)の絞り操作開始のタイミングが少し遅れたため
に塩酸ヒュームガスを放出させてしまう失敗がしばしば
あり、作業員には細心の注意と熟練が厳しく要求されて
いた。As a countermeasure against this, conventionally, an operator sees the supply valve (d) of the supply hose (b) just before the blowing of the hydrochloric acid fume gas following the hydrochloric acid pressure feeding from the tank (A). Although the method of limiting the flow rate of the fume gas of hydrochloric acid per unit time is performed by appropriately squeezing, the failure to release the fume gas of hydrochloric acid due to a slight delay in the start timing of the throttle operation of the supply valve (d). Often, the workers were required to be extremely careful and skilled.
【0005】[0005]
【発明が解決しようとする課題】本発明は、上記タンク
ローリのタンク内からの塩酸圧送の終了に即応して自動
的に塩酸ヒュームガスの貯槽がわへの吹き出し量を制限
し、それによりスクラバーの小容量化の維持と共に、熟
練を必要とする供給弁操作を省略し、塩酸ヒュームガス
の大気への放出を十分に防止することを課題とする。DISCLOSURE OF THE INVENTION The present invention automatically limits the blowing amount of hydrochloric acid fume gas into a storage tank in response to the completion of the supply of hydrochloric acid from the tank of the tank lorry, whereby the scrubber's An object of the present invention is to maintain a small capacity, omit a supply valve operation that requires skill, and sufficiently prevent release of fume gas of hydrochloric acid to the atmosphere.
【0006】[0006]
【課題を解決するための手段】上記課題解決の手段とし
て、本発明は、タンク内に充填された塩酸を空気加圧圧
送方式により圧送供給すべきタンクローリと、貯槽との
間に接続される装置であって、チャンバーの一側部に上
記タンクローリのタンクと接続される流入口を、上、下
部に上記貯槽とそれぞれ接続される上部流出口および下
部流出口をそれぞれ設け、上記チャンバー内に、上記下
部流出口を開閉すべきフロート弁体を、上記流入口から
上部流出口への連通を常に維持する状態で、昇降自在に
挿入すると共に、該フロート弁体を、チャンバー内が満
液状態のとき上昇して上記下部流出口を開き、気液混合
状態のとき降下して閉じるように形成し、上記上部流出
口からの流出路に気体流量を制限する手段を設けた、塩
酸タンクローリからの塩酸ヒュームガスの自動圧送制御
装置を提案する。As a means for solving the above problems, the present invention is an apparatus connected between a tank lorry and a storage tank to which hydrochloric acid filled in a tank is to be pressure-fed and supplied by an air pressure-pressure feeding method. Where an inlet connected to the tank of the tank lorry is provided on one side of the chamber, and an upper outlet and a lower outlet connected to the storage tank are provided on the upper and lower portions, respectively, and in the chamber, The float valve element for opening and closing the lower outlet is vertically inserted while maintaining the communication from the inlet to the upper outlet, and the float valve element is inserted when the chamber is full of liquid. A hydrochloric acid tank truck provided with means for ascending to open the lower outlet and to lower and close when in a gas-liquid mixed state, and means for limiting the gas flow rate in the outflow passage from the upper outlet. Suggest automatic pumping controller hydrochloric fume gases.
【0007】本発明における上記「チャンバー」は、円
筒状、角筒状、箱状、その他種々の形状のものでよい。
また、上記「気体流量を制限する手段」には、オリフィ
ス、ニードル弁、その他種々の構造のものが用いられ
る。以下図面を参照して本発明の実施例について説明す
る。The "chamber" in the present invention may have a cylindrical shape, a rectangular tube shape, a box shape, or other various shapes.
Further, as the "means for limiting the gas flow rate", an orifice, a needle valve, and various other structures are used. Embodiments of the present invention will be described below with reference to the drawings.
【0008】[0008]
【実施例】図1において、塩酸輸送用タンクローリ
(1)におけるタンク(2)の後部下端部に供給弁
(3)を介してフレキシブル供給ホース(4)を接続す
ると共に、該供給ホース(4)の先端に管継手を構成す
る一方のオス継手(5)を取りつけ、またタンク(2)
内の塩酸の空気加圧圧送手段としてエアコンプレッサー
(6)を車台に装備し、該コンプレッサー(6)の吐出
口に接続されたエア供給管(7)をエア供給弁(8)を
介して上記タンク(2)の上部に接続してある。EXAMPLE In FIG. 1, a flexible supply hose (4) is connected to the lower end of the rear part of a tank (2) of a tank truck (1) for transporting hydrochloric acid via a supply valve (3), and the supply hose (4) is also connected. Attach one male joint (5) that forms a pipe joint to the tip of the
An air compressor (6) is installed in the chassis as a means for air pressure pressurization of hydrochloric acid in the chassis, and an air supply pipe (7) connected to a discharge port of the compressor (6) is connected to the above through an air supply valve (8). It is connected to the top of the tank (2).
【0009】一方、工場等に起立状態に設置された円筒
状貯槽(9)の外部一側に自動圧送制御装置(10)を
設置し、該装置(10)の流入管(11)に流入弁(1
2)を介して上記オス継手(5)を着脱自在に接続され
るべき他方のメス継手(13)を取りつけると共に、該
装置(10)の流出管(14)を上記貯槽(9)の上部
に接続してある。上記貯槽(9)の外部他側には、従来
知られた通常のスクラバー(15)を配置し、該スクラ
バー(15)の流入管(16)を上記貯槽(9)の上部
に接続してある。(17)は水シャワー管、(18)は
水排出管、(19)は空気排出管である。On the other hand, an automatic pressure-feeding control device (10) is installed on one outside of a cylindrical storage tank (9) installed upright in a factory or the like, and an inflow valve is installed in an inflow pipe (11) of the device (10). (1
The other female joint (13) to be detachably connected to the male joint (5) via 2) is attached, and the outflow pipe (14) of the device (10) is attached to the upper part of the storage tank (9). It is connected. A conventionally known ordinary scrubber (15) is arranged on the other side of the storage tank (9), and an inflow pipe (16) of the scrubber (15) is connected to the upper portion of the storage tank (9). . (17) is a water shower pipe, (18) is a water discharge pipe, and (19) is an air discharge pipe.
【0010】上記自動圧送制御装置(10)の詳細は次
のようである。図1、2、3において、両端閉成の円筒
状チャンバー(20)をその閉成端を上下に向けて支持
台(21)上に設置し、該チャンバー(20)の周壁下
部に流入口(22)を、上、下端面に上部流出口(2
3)、下部流出口(24)をそれぞれ開設し、そのうち
下部流出口(24)の開口面にゴムシートを張設して弁
座(28)を形成してあり、そして流入口(22)に上
記流入管(11)を接続し、また上部流出口(23)に
はニードル弁(25)を有する上部流出管(26)を、
下部流出口(24)には下部流出管(27)をそれぞれ
接続すると共に、上記上部および下部流出管(26)、
(27)を図1のように上記流出管(14)に合流接続
してあり、このようなチャンバー(20)内にフロート
弁体(29)を昇降自在に挿入してある。The details of the automatic pressure feeding control device (10) are as follows. 1, 2 and 3, a cylindrical chamber (20) with both ends closed is installed on a support (21) with its closed ends facing up and down, and an inlet ( 22), and the upper outlet (2
3), the lower outlet (24) is opened, and a rubber sheet is stretched on the opening surface of the lower outlet (24) to form a valve seat (28), and the inlet (22) is formed. An upper outlet pipe (26) having the needle valve (25) connected to the inflow pipe (11) and having an upper outlet (23) is provided.
Lower outlet pipes (27) are respectively connected to the lower outlets (24), and the upper and lower outlet pipes (26),
(27) is connected to the outflow pipe (14) as shown in FIG. 1, and the float valve body (29) is vertically movable in such a chamber (20).
【0011】上記フロート弁体(29)は、上記チャン
バー(20)の内径よりも適宜小径で、かつ該チャンバ
ー(20)の約2分の1の縦長を有する中空円筒状フロ
ート(30)の下面中心部に支持部(31)を突設し、
該支持部の下端に上記流出口(24)を開閉すべき円板
状弁体(32)を固定したもので、そのフロート(3
0)の外周面に母線方向に延長するスライダー(33)
…を等間隔をあけて突設すると共に、上面に、中心部を
あけて半径方向に延長するスペーサー(34)…を等角
度をあけて突設し、それによりフロート(30)がスラ
イダー(33)…によってチャンバー(20)の内周面
との間に流路(35)…を形成した状態で昇降自在に保
持されると共に、最上位に上昇したときにはスペーサー
(34)…によってチャンバー(20)の上端内面との
間に流路(36)…を維持し、これら流路(35)…、
(36)…を介して上記流入口(22)と上部流出口
(23)とがチャンバー(20)内において常時連通状
態におかれている。The float valve body (29) has a diameter which is appropriately smaller than the inner diameter of the chamber (20) and has a vertical length which is about one half of the length of the chamber (20). A support part (31) is provided at the center,
A disc-shaped valve body (32) for opening and closing the outlet (24) is fixed to the lower end of the support portion, and the float (3
Slider (33) extending in the direction of the generatrix on the outer peripheral surface of (0)
... are projected at equal intervals, and spacers (34) extending in the radial direction at the center are projected on the upper surface at equal angles, so that the float (30) causes the slider (33) to move. ) ... Is held so as to be able to move up and down in a state where the flow path (35) is formed between the chamber (20) and the inner peripheral surface of the chamber (20), and when the chamber is raised to the uppermost position, it is held by the spacer (34). Maintain the flow paths (36) between the upper end inner surface of the
The inflow port (22) and the upper outflow port (23) are in continuous communication with each other in the chamber (20) via (36).
【0012】この場合、上記フロート弁体(29)は、
チャンバー(20)内が塩酸で満液状態にあるとき浮上
するが、塩酸ヒュームガスと塩酸との気液混合状態(一
例として混合割合6:4)になったとき、チャンバー内
流体の比重が低下するため降下してフロート弁を閉じる
ように設計してある。In this case, the float valve body (29) is
It floats when the chamber (20) is full of hydrochloric acid, but when the gas-liquid mixed state of hydrochloric acid fume gas and hydrochloric acid (mixing ratio 6: 4 as an example), the specific gravity of the fluid in the chamber decreases. In order to do this, it is designed to descend and close the float valve.
【0013】上例の作用を次に説明する。タンクローリ
(1)を貯槽(9)の近くに移動させ、その供給ホース
(4)のオス継手(5)を流入管(11)のメス継手
(13)に接続すると共に、エアコンプレッサー(6)
のエア供給弁(8)を開いて高圧空気をタンク(2)内
に供給する。タンク(2)内が所要圧に至ったら、供給
弁(3)および流入弁(12)をそれぞれ開き、タンク
(2)内の塩酸を供給ホース(4)および流入管(1
1)を経てチャンバー(20)内に圧送する。チャンバ
ー(20)内において塩酸が満杯に近づくと、フロート
弁体(29)が浮上して弁体(32)を弁座(28)か
ら離間させて下部流出口(24)を開き、それによりチ
ャンバー(20)内の塩酸は該下部流出口(24)から
下部流出管(27)および流出管(14)を経て貯槽
(9)内に圧送され、以後この圧送状態を継続する。こ
の場合、上部流出口(23)も流入口(22)と連通状
態にあるが、該上部流出口(23)に付設されたニード
ル弁(25)により、該上部流出口(23)からの流動
抵抗が下部流出口(24)からのそれよりも大きいた
め、チャンバー(20)内に流入した塩酸の大部分は下
部流出口(24)を経て圧送される。The operation of the above example will be described below. The tank truck (1) is moved to the vicinity of the storage tank (9), the male joint (5) of the supply hose (4) is connected to the female joint (13) of the inflow pipe (11), and the air compressor (6) is connected.
The air supply valve (8) is opened to supply high-pressure air into the tank (2). When the pressure in the tank (2) reaches the required pressure, the supply valve (3) and the inflow valve (12) are opened to supply the hydrochloric acid in the tank (2) with the supply hose (4) and the inflow pipe (1).
It is pumped into the chamber (20) via 1). When the hydrochloric acid approaches full in the chamber (20), the float valve body (29) floats to separate the valve body (32) from the valve seat (28) and open the lower outlet (24), whereby the chamber Hydrochloric acid in (20) is pressure-fed from the lower outlet (24) into the storage tank (9) through the lower outflow pipe (27) and the outflow pipe (14), and this pressure feeding state is continued thereafter. In this case, although the upper outlet (23) is also in communication with the inlet (22), the flow from the upper outlet (23) is changed by the needle valve (25) attached to the upper outlet (23). Since the resistance is greater than that from the lower outlet (24), most of the hydrochloric acid that has flowed into the chamber (20) is pumped through the lower outlet (24).
【0014】タンク(2)内の塩酸が残らず圧送される
と、タンク(2)内に高圧空気と塩酸ヒュームの混合し
た多量の高圧塩酸ヒュームガスが残り、これが供給ホー
ス(4)を経て上記チャンバー(20)内に圧送されて
該チャンバー内の塩酸内に吹きこまれて気液混合状態を
つくり、それによりチャンバー(20)内の流体の比重
が低下してフロート弁体(29)が降下し、その弁体
(32)により下部流出口(24)を閉じ、上部流出口
(23)のみを開けた状態になる。なお、このとき供給
ホース(4)内に塩酸が残留している間は、塩酸と高圧
気体とがチャンバー(20)内に同時に流入する状態が
続くが、フロート弁体(29)が浮上している間にチャ
ンバー(20)内に流入した気体は、該チャンバー(2
0)内に留ることなく上記流路(35)…、(36)…
を経て上部流出口(23)からすみやかにチャンバー
(20)外に排出され、それによりフロート弁体(2
9)がひんぱんに昇降を繰返すことはない。かくしてチ
ャンバー(20)内に圧送されてくる高圧の塩酸ヒュー
ムガスは上部流出口(23)を経てニードル弁(25)
により単位時間あたりの流出量を制限されて上部流出管
(26)、流出管(14)を通じて貯槽(9)内に送ら
れ、ついで貯槽(9)からスクラバー流入管(16)を
経てスクラバー(15)内に送られ処理される。When all of the hydrochloric acid in the tank (2) is pumped, a large amount of high-pressure hydrochloric acid fume gas, which is a mixture of high-pressure air and fumes of hydrochloric acid, remains in the tank (2) and passes through the supply hose (4). It is pumped into the chamber (20) and blown into the hydrochloric acid in the chamber to create a gas-liquid mixed state, whereby the specific gravity of the fluid in the chamber (20) decreases and the float valve body (29) descends. Then, the valve body (32) closes the lower outlet port (24) and opens only the upper outlet port (23). At this time, while hydrochloric acid remains in the supply hose (4), hydrochloric acid and high-pressure gas continue to flow into the chamber (20) at the same time, but the float valve body (29) floats. The gas flowing into the chamber (20) during the operation is
0), the flow paths (35) ..., (36) ...
Through the upper outlet port (23) to the outside of the chamber (20) promptly, whereby the float valve body (2
9) does not repeatedly move up and down. Thus, the high-pressure fume gas of hydrochloric acid fed under pressure into the chamber (20) passes through the upper outlet (23) and the needle valve (25).
The amount of outflow per unit time is limited by the upper stream pipe (26) and the outflow pipe (14) to be sent into the storage tank (9), and then from the storage tank (9) through the scrubber inflow pipe (16) to the scrubber (15). ) And is processed.
【0015】上記ニードル弁(25)により制限すべき
流量は、望ましくは上記スクラバー(15)の最大処理
能力に見合った流量である。The flow rate to be limited by the needle valve (25) is preferably a flow rate commensurate with the maximum processing capacity of the scrubber (15).
【0016】タンク(2)内の塩酸ヒュームガスの排出
が完了したら、弁(3)、(12)を閉じてオス、メス
継手(5)、(13)を分離する。When the discharge of the fume gas of hydrochloric acid in the tank (2) is completed, the valves (3) and (12) are closed to separate the male and female joints (5) and (13).
【0017】本発明の塩酸ヒュームガス自動圧送制御装
置はタンクローリに載置しておくこともよい。The automatic fume gas pressure control device of the present invention may be mounted on a tank truck.
【0018】[0018]
【発明の効果】本発明の塩酸タンクローリからの塩酸ヒ
ュームガスの自動圧送制御装置によれば、タンクローリ
のタンク内からの塩酸圧送の終了に即応して自動的に塩
酸ヒュームガスの貯槽がわへの単位時間あたりの圧送流
量を制限することができるようになり、それによりスク
ラバーを小容量のもので十分使用可能にし、設備費の高
騰をおさえると共に、従来のような熟練を必要とする供
給弁操作や塩酸ヒュームガスによる周囲の汚染や腐食等
の問題を十分に解決し、安全確実な塩酸圧送を可能にす
るのである。EFFECTS OF THE INVENTION According to the automatic feeding control device for hydrochloric acid fume gas from the hydrochloric acid tank lorry of the present invention, the fume gas storage tank for the hydrochloric acid fume gas is automatically fed to the tank immediately upon completion of the feeding of hydrochloric acid from the tank of the tank lorry. It becomes possible to limit the flow rate of pumping per unit time, so that the scrubber can be used with a small capacity enough, the rise of equipment cost can be suppressed, and the operation of the supply valve which requires skill like conventional one is required. It is possible to solve problems such as contamination and corrosion by the fumes of hydrochloric acid and fume gas, and to enable safe and reliable pressure feeding of hydrochloric acid.
【図1】タンクローリから貯槽への塩酸圧送方式全体の
略線図である。FIG. 1 is a schematic diagram of an entire hydrochloric acid pressure feed system from a tank truck to a storage tank.
【図2】自動圧送制御装置の拡大縦断正面図である。FIG. 2 is an enlarged vertical front view of the automatic pressure feeding control device.
【図3】図2のIII−III線断面図である。FIG. 3 is a sectional view taken along line III-III in FIG.
【図4】従来の塩酸圧送方式全体の略線図である。FIG. 4 is a schematic diagram of the entire conventional hydrochloric acid pressure feeding system.
1 タンクローリ 2 タンク 9 貯槽 10 塩酸ヒュームガス自動圧送制御装置 20 チャンバー 22 流入口 23 上部流出口 24 下部流出口 25 ニードル弁 29 フロート弁体 1 Tank Roller 2 Tank 9 Storage Tank 10 Automatic Fume Gas Hydrochloric Acid Pressure Control Device 20 Chamber 22 Inlet 23 Upper Upper Outlet 24 Lower Outlet 25 Needle Valve 29 Float Valve Body
Claims (1)
送方式により圧送供給すべきタンクローリと、貯槽との
間に接続される装置であって、 チャンバーの一側部に上記タンクローリのタンクと接続
される流入口を、上、下部に上記貯槽とそれぞれ接続さ
れる上部流出口および下部流出口をそれぞれ設け、 上記チャンバー内に、上記下部流出口を開閉すべきフロ
ート弁体を、上記流入口から上部流出口への連通を常に
維持する状態で、昇降自在に挿入すると共に、該フロー
ト弁体を、チャンバー内が満液状態のとき上昇して上記
下部流出口を開き、気液混合状態のとき降下して閉じる
ように形成し、 上記上部流出口からの流出路に気体流量を制限する手段
を設けた、塩酸タンクローリからの塩酸ヒュームガスの
自動圧送制御装置。1. A device connected between a tank lorry for supplying hydrochloric acid filled in a tank by an air pressure and pressure feeding method and a storage tank, wherein the tank lorry tank is provided on one side of the chamber. The upper and lower outlets connected to the storage tank are respectively provided on the upper and lower sides of the connected inlet, and the float valve body for opening and closing the lower outlet is provided in the chamber. From the upper part to the upper outlet, the float valve body is lifted when the chamber is full and the lower outlet is opened to keep the gas-liquid mixed state. An automatic pressure feeding control device for hydrochloric acid fume gas from a hydrochloric acid tank lorry, which is formed so as to be lowered and closed when a means for limiting a gas flow rate is provided in an outflow passage from the upper outlet.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP24353393A JP2928819B2 (en) | 1993-09-06 | 1993-09-06 | Automatic pumping control device for hydrochloric acid fume gas from hydrochloric acid tank truck |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP24353393A JP2928819B2 (en) | 1993-09-06 | 1993-09-06 | Automatic pumping control device for hydrochloric acid fume gas from hydrochloric acid tank truck |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0776400A true JPH0776400A (en) | 1995-03-20 |
JP2928819B2 JP2928819B2 (en) | 1999-08-03 |
Family
ID=17105311
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP24353393A Expired - Fee Related JP2928819B2 (en) | 1993-09-06 | 1993-09-06 | Automatic pumping control device for hydrochloric acid fume gas from hydrochloric acid tank truck |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2928819B2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011033120A (en) * | 2009-07-31 | 2011-02-17 | Nippon Soda Co Ltd | Joint apparatus for connecting reservoir and lorry |
CN110159925A (en) * | 2019-06-03 | 2019-08-23 | 北京凯瑞英科技有限公司 | Concentrated sulfuric acid air-transport system |
CN110159924A (en) * | 2019-06-03 | 2019-08-23 | 北京凯瑞英科技有限公司 | Concentrated sulfuric acid pneumatic conveying process |
-
1993
- 1993-09-06 JP JP24353393A patent/JP2928819B2/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011033120A (en) * | 2009-07-31 | 2011-02-17 | Nippon Soda Co Ltd | Joint apparatus for connecting reservoir and lorry |
CN110159925A (en) * | 2019-06-03 | 2019-08-23 | 北京凯瑞英科技有限公司 | Concentrated sulfuric acid air-transport system |
CN110159924A (en) * | 2019-06-03 | 2019-08-23 | 北京凯瑞英科技有限公司 | Concentrated sulfuric acid pneumatic conveying process |
Also Published As
Publication number | Publication date |
---|---|
JP2928819B2 (en) | 1999-08-03 |
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