JPH05319814A - Liquid ammonia vaporizer - Google Patents
Liquid ammonia vaporizerInfo
- Publication number
- JPH05319814A JPH05319814A JP14993392A JP14993392A JPH05319814A JP H05319814 A JPH05319814 A JP H05319814A JP 14993392 A JP14993392 A JP 14993392A JP 14993392 A JP14993392 A JP 14993392A JP H05319814 A JPH05319814 A JP H05319814A
- Authority
- JP
- Japan
- Prior art keywords
- liquid ammonia
- pump
- ammonia
- vaporizer
- flow rate
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
- Treating Waste Gases (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、液体アンモニアの気化
装置、特に流量を調整しながら気化してアンモニアガス
の濃度を制御する気化装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vaporizer for liquid ammonia, and more particularly to a vaporizer for controlling the concentration of ammonia gas by vaporizing while adjusting the flow rate.
【０００２】[0002]
【従来の技術】一般に、燃焼装置から排出される排気ガ
スを処理する集塵装置や、硫酸ガス（ＳＯ3）の吸収装
置等では、この排気ガスの煙道中に液体アンモニアをガ
ス化して注入し、有害ガスの除去や、硫酸による腐食の
防止等を行っていた。2. Description of the Related Art Generally, in a dust collector for treating exhaust gas discharged from a combustion device, a sulfuric acid gas (SO3) absorber, etc., liquid ammonia is gasified and injected into the flue of the exhaust gas, They were removing harmful gases and preventing corrosion by sulfuric acid.
【０００３】従来、この種の液体アンモニアの気化装置
としては、図２に示すように、液体アンモニアを収容す
る貯蔵タンク１と、排気ガスの煙道２に設けた空気希釈
混合器１２に臨ませたアンモニアガスの注入口３′の間
に、エバポレータ４と調圧タンク５を配置し、温度調節
装置６により加熱温度を調節しながらエバポレータ４内
で液体アンモニアを加熱蒸発せしめ、その後、圧力調整
器７により調圧貯蔵タンク５内でアンモニアガスの圧力
を調整し、最後に、流量調整器８により流量を制御しな
がら、上記注入口３′から空気希釈混合器１２内にアン
モニアガスを注入せしめていた。Conventionally, as a vaporizer of this type of liquid ammonia, as shown in FIG. 2, a storage tank 1 for containing liquid ammonia and an air dilution mixer 12 provided in an exhaust gas flue 2 are provided. The evaporator 4 and the pressure regulating tank 5 are arranged between the ammonia gas inlets 3 ', and the liquid ammonia is heated and evaporated in the evaporator 4 while the heating temperature is adjusted by the temperature adjusting device 6, and then the pressure adjusting device is used. The pressure of the ammonia gas is adjusted in the pressure-controlled storage tank 5 by 7, and finally, while controlling the flow rate by the flow rate regulator 8, the ammonia gas is injected into the air dilution mixer 12 from the inlet 3 '. It was
【０００４】しかしながら、上記従来の装置では、上述
のような各種の装置や熱源を設ける必要があり、装置が
大型で高価となり、また、流量制御をガス状態で行うた
め操作や調整が煩雑である等の問題点があった。However, in the above-mentioned conventional device, it is necessary to provide various devices and heat sources as described above, the device is large and expensive, and the operation and adjustment are complicated because the flow rate control is performed in a gas state. There were problems such as.
【０００５】[0005]
【発明が解決しようとする課題】本発明は、上記従来の
問題点を解決するためになされたもので、その目的とす
るところは、従来のようなエバポレータ等を用いること
なく、液体アンモニアを大気に近い圧力（常圧）の気体
中に開放して蒸発させることができ、流量制御を液体ア
ンモニアの状態で行なうことにより、装置が簡単で確実
なガス濃度の制御を行なうことができる液体アンモニア
の気化装置を提供することにある。SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned conventional problems. The purpose of the present invention is to remove liquid ammonia into the atmosphere without using an evaporator or the like as in the prior art. It can be vaporized by opening it in a gas at a pressure (normal pressure) close to that of liquid ammonia, and by controlling the flow rate in the state of liquid ammonia, the device can perform simple and reliable gas concentration control. It is to provide a vaporizer.
【０００６】[0006]
【課題を解決するための手段】本発明の液体アンモニア
の気化装置は、液体アンモニアを収容する貯蔵タンク
と；該貯蔵タンクに接続されて、上記液体アンモニアを
排出する管路と；該管路の途中に配置され、液体アンモ
ニアを所定流量ずつ切り出す定量切出しポンプと；上記
管路の終端部に取り付けられ、上記定量切出しポンプに
より切り出された液体アンモニアを常圧気体中に注入し
てガス化する注入ノズルと；から構成されていることを
特徴とする。定量切出しポンプにより流量を調整し、こ
れをその上流側の管路中に設けた流量計により測定して
ガス濃度を制御することも特徴とする。The liquid ammonia vaporizer of the present invention comprises a storage tank for containing liquid ammonia; a pipe connected to the storage tank for discharging the liquid ammonia; A fixed-quantity cut-out pump which is arranged on the way and cuts out liquid ammonia at a predetermined flow rate; an injection which is attached to the terminal end of the above-mentioned pipe line and injects liquid ammonia cut out by the above-mentioned fixed-quantity cut-out pump into atmospheric pressure gas to be gasified It is characterized by comprising a nozzle and a nozzle. It is also characterized in that the flow rate is adjusted by a constant amount cut-out pump, and this is measured by a flow meter provided in a pipe line on the upstream side to control the gas concentration.
【０００７】[0007]
【実施例】以下、本発明の一実施例について図面を参照
しながら説明する。図１において、１は液体アンモニア
を収容する貯蔵タンク、２は燃焼装置等から排出される
排気ガスの煙道であって、上記従来例のものと同一の構
成および機能を有する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. In FIG. 1, reference numeral 1 is a storage tank for storing liquid ammonia, and 2 is a flue of exhaust gas discharged from a combustion device or the like, which has the same configuration and function as those of the conventional example.
【０００８】上記貯蔵タンク１と煙道２との間には、管
路９が接続されている。該管路９の終端部には注入ノズ
ル３が取り付けられていて、該注入ノズル３は上記煙道
２に取り付けられている空気希釈混合器１２内に臨んで
いる。A pipe line 9 is connected between the storage tank 1 and the flue 2. An injection nozzle 3 is attached to the terminal end of the pipe line 9, and the injection nozzle 3 faces the air dilution mixer 12 attached to the flue 2.
【０００９】該管路９中の適宜位置には、定量切出しポ
ンプ１０が設けられている。該定量切出しポンプ１０
は、例えば、ギヤーポンプ、プランジャーポンプ、シリ
ンダーのような確実な切り出しが行える装置であり、定
量切出しポンプ１０の回転数等を変えることにより流量
を調整することができる。A metering pump 10 is provided at an appropriate position in the conduit 9. The fixed amount cut-out pump 10
Is a device such as a gear pump, a plunger pump, and a cylinder that can reliably cut out, and the flow rate can be adjusted by changing the number of revolutions of the fixed amount cutting pump 10 and the like.
【００１０】上記定量切出しポンプ１０の上流側の管路
９には、流量計１１が配置されていて、上記定量切出し
ポンプ１０により切り出される液体アンモニアの流量を
測定し、その結果、ガス化されるアンモニアのガス濃度
を計測するようになっている。A flow meter 11 is arranged in the pipe line 9 on the upstream side of the fixed quantity cut-out pump 10 to measure the flow rate of the liquid ammonia cut out by the fixed quantity cut-out pump 10 and, as a result, is gasified. It is designed to measure the gas concentration of ammonia.
【００１１】定量切出しポンプ１０により切り出された
液体アンモニアは、注入ノズル３から空気希釈混合器１
２中の常圧高温の排ガス中に開放され気化される。The liquid ammonia cut out by the fixed amount cutting pump 10 is injected from the injection nozzle 3 into the air dilution mixer 1.
It is opened and vaporized in the normal temperature and high temperature exhaust gas in 2.
【００１２】[0012]
１）液体アンモニアを貯蔵タンクから注入ノズルに直接
送り、該注入ノズルから開放されて気化させるため、エ
バポレータ等の気化器や調圧装置等が不要である。 ２）アンモニアを液体の状態で定量切出しポンプにより
切り出すので、流量調整が容易となり、ガスの濃度制御
を確実に行なうことができる。1) Liquid ammonia is directly sent from the storage tank to the injection nozzle and is released from the injection nozzle to be vaporized, so that a vaporizer such as an evaporator and a pressure adjusting device are unnecessary. 2) Ammonia is cut out in a liquid state by a fixed amount cutting pump, so that the flow rate can be easily adjusted and the gas concentration can be surely controlled.
【図面の簡単な説明】[Brief description of drawings]
【図１】本発明装置の概略説明図である。FIG. 1 is a schematic explanatory view of a device of the present invention.
【図２】従来装置の概略説明図である。FIG. 2 is a schematic explanatory view of a conventional device.
１ 貯蔵タンク ２ 煙道 ３ 注入ノズル ３′ 注入口 ４ エバポレータ ５ 調圧タンク ６ 温度調節装置 ７ 圧力調整器 ８ 流量調整器 ９ 管路 １０ 定量切出しポンプ １１ 流量計 １２ 空気希釈混合器 1 Storage Tank 2 Flue 3 Injection Nozzle 3'Injection Port 4 Evaporator 5 Pressure Control Tank 6 Temperature Control Device 7 Pressure Regulator 8 Flow Regulator 9 Pipeline 10 Constant Discharge Pump 11 Flowmeter 12 Air Dilution Mixer
Claims (4)
と；該貯蔵タンクに接続されて、上記液体アンモニアを
排出する管路と；該管路の途中に配置され、液体アンモ
ニアを所定流量ずつ切り出す定量切出しポンプと；上記
管路の終端部に取り付けられ、上記定量切出しポンプに
より切り出された液体アンモニアを常圧気体中に注入し
てガス化する注入ノズルと；から構成されていることを
特徴とする液体アンモニアの気化装置。1. A storage tank for containing liquid ammonia; a pipe connected to the storage tank for discharging the liquid ammonia; a fixed cutout for cutting out liquid ammonia at a predetermined flow rate, the pipe being arranged in the middle of the pipe. A liquid comprising: a pump; and an injection nozzle attached to the terminal end of the conduit for injecting the liquid ammonia cut out by the fixed amount cutting pump into atmospheric gas to gasify it. Ammonia vaporizer.
することを特徴とする請求項１に記載の液体アンモニア
の気化装置。2. The vaporizer for liquid ammonia according to claim 1, wherein the flow rate is adjusted by the fixed amount cut-out pump.
に流量計を配置したことを特徴とする請求項１または２
に記載の液体アンモニアの気化装置。3. A flow meter is arranged in a pipe line on the upstream side of the fixed amount cut-out pump.
The vaporizer for liquid ammonia according to 1.
ガスの煙道中に設けた空気希釈混合器に臨ませたことを
特徴とする請求項１、２または３に記載の液体アンモニ
アの気化装置。4. A liquid ammonia vaporizer according to claim 1, 2 or 3, wherein said ammonia gas injection nozzle faces an air dilution mixer provided in the exhaust gas flue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14993392A JPH05319814A (en) | 1992-05-18 | 1992-05-18 | Liquid ammonia vaporizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14993392A JPH05319814A (en) | 1992-05-18 | 1992-05-18 | Liquid ammonia vaporizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05319814A true JPH05319814A (en) | 1993-12-03 |
Family
ID=15485744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14993392A Pending JPH05319814A (en) | 1992-05-18 | 1992-05-18 | Liquid ammonia vaporizer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05319814A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112901339A (en) * | 2021-01-15 | 2021-06-04 | 河北工业大学 | Direct injection natural gas engine system based on ammonia pyrolysis device and control method thereof |
-
1992
- 1992-05-18 JP JP14993392A patent/JPH05319814A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112901339A (en) * | 2021-01-15 | 2021-06-04 | 河北工业大学 | Direct injection natural gas engine system based on ammonia pyrolysis device and control method thereof |
| CN112901339B (en) * | 2021-01-15 | 2022-04-26 | 河北工业大学 | Direct injection natural gas engine system based on ammonia pyrolysis device and control method thereof |
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