JPH0412306U - - Google Patents
Info
- Publication number
- JPH0412306U JPH0412306U JP5184990U JP5184990U JPH0412306U JP H0412306 U JPH0412306 U JP H0412306U JP 5184990 U JP5184990 U JP 5184990U JP 5184990 U JP5184990 U JP 5184990U JP H0412306 U JPH0412306 U JP H0412306U
- Authority
- JP
- Japan
- Prior art keywords
- header
- pipe
- descaling
- nozzle
- attached
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 230000002265 prevention Effects 0.000 claims description 4
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Landscapes
- Nozzles (AREA)
- Cleaning In General (AREA)
Description
図面は本考案に係るウオータハンマ防止付デス
ケーリング装置の実施例を示すもので、第１図は
上部ノズルヘツダと下部ノズルヘツダとの取り付
け部を示す一部破断正面面、第２図は同じくその
配管系統図である。第３図は上部ノズルヘツダの
一部破断正面図、第４図は上部ノズルヘツダを構
成するヘツダパイプに対するデスケーリングノズ
ルの取り付け部を拡大して示す縦断側面図、第５
図は、ヘツダパイプに対するスペーサの取り付け
要領を示す要部の斜視図である。なお、第６図は
高圧水バイパス法によるウオータハンマ防止を行
う従来のデスケーリング装置の配管系統図、第７
図は同じく低圧水注水法をとる配管系統図である
。
Ａ……上部ノズルヘツダ、Ｂ……下部ノズルヘ
ツダ、２０……デスケーリングノズル、２１……
高圧水の送水用ライン、２２……分岐管、２２ａ
……立ち上がり管、２３……逆止弁、２３ａ……
スプリング、２３ｂ……弁体、２３ｃ……スプリ
ングリテーナ、２４……ヘツダパイプ、２４ａ…
…ヘツダパイプの内周壁、２５……インナーパイ
プ、２５ａ……インナーパイプの上端開口部、２
６……三月状のスペーサ。
The drawings show an embodiment of the descaling device with water hammer prevention according to the present invention. Fig. 1 is a partially broken front view showing the attachment part between the upper nozzle header and the lower nozzle header, and Fig. 2 is the same piping system. It is a diagram. Fig. 3 is a partially cutaway front view of the upper nozzle header, Fig. 4 is an enlarged vertical sectional side view showing the attachment part of the descaling nozzle to the header pipe constituting the upper nozzle header, and Fig. 5 is a partially cutaway front view of the upper nozzle header.
The figure is a perspective view of essential parts showing how to attach the spacer to the header pipe. In addition, Figure 6 is a piping system diagram of a conventional descaling device that prevents water hammer using the high-pressure water bypass method.
The figure is a piping system diagram that also uses the low-pressure water injection method. A... Upper nozzle header, B... Lower nozzle header, 20... Descaling nozzle, 21...
High-pressure water supply line, 22...branch pipe, 22a
...Rising pipe, 23...Check valve, 23a...
Spring, 23b... Valve body, 23c... Spring retainer, 24... Header pipe, 24a...
... Inner peripheral wall of header pipe, 25 ... Inner pipe, 25a ... Upper end opening of inner pipe, 2
6...March-shaped spacer.
Claims (1)
り付けた上部ノズルヘツダと下部ノズルヘツダと
を高圧送水ラインに接続し、前記上部ノズルヘツ
ダと下部ノズルヘツダとの間にスラブを挿通し、
そのスラブの通過時に、前記デスケーリングノズ
ルから高圧水を噴射して前記スラブ両面にデスケ
ーリングを施すように構成したデスケーリング装
置において、 前記上部ノズルヘツダに取り付けたデスケーリ
ングノズルは、上部ノズルヘツダを構成するヘツ
ダパイプに対し、ヘツダパイプに内挿されるイン
ナーパイプを介して取り付けるとともに、 前記上部ノズルヘツダと高圧水の送水ラインと
を結ぶ立ち上がり管には、逆止弁を設けたことを
特徴とするウオータハンマ防止付デスケーリング
装置。 (2) 前記ヘツダパイプに内挿されるインナーパ
イプの上端開口部とヘツダパイプの内周壁との間
隙ｌ２は、圧損を考慮して出来るだけ狭く設定し
たことを特徴とする請求項(1)記載のウオータハ
ンマ防止付デスケーリング装置。 (3) 前記ヘツダパイプに、インナーパイプを介
して取り付けたデスケーリングノズルとノズルと
の間のヘツダパイプの内周壁の天井に相当する壁
面には、三月状のスペーサを内張りし、ヘツダパ
イプ内におけるエアースペースを最小に設定した
ことを特徴とする請求項(1)および(2)記載のウオ
ータハンマ防止付デスケーリング装置。[Scope of Claim for Utility Model Registration] (1) Connecting an upper nozzle header and a lower nozzle header to which descaling nozzles are attached at a certain pitch to a high-pressure water supply line, inserting a slab between the upper nozzle header and the lower nozzle header,
In a descaling device configured to descale both sides of the slab by injecting high-pressure water from the descaling nozzle when the slab passes through, the descaling nozzle attached to the upper nozzle header constitutes an upper nozzle header. The water hammer prevention device is attached to the header pipe via an inner pipe inserted into the header pipe, and is equipped with a check valve on the riser pipe connecting the upper nozzle header and the high-pressure water supply line. Scaling device. (2) The water according to claim (1), wherein the gap l2 between the upper end opening of the inner pipe inserted into the header pipe and the inner circumferential wall of the header pipe is set as narrow as possible in consideration of pressure loss. Descaling device with hammer prevention. (3) A crescent-shaped spacer is lined on the wall surface corresponding to the ceiling of the inner peripheral wall of the header pipe between the descaling nozzle attached to the header pipe via the inner pipe and the nozzle to create an air space in the header pipe. 2. The descaling device with water hammer prevention according to claim 1, wherein: is set to a minimum value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5184990U JPH069687Y2 (en) | 1990-05-18 | 1990-05-18 | Descaling device with water hammer prevention |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5184990U JPH069687Y2 (en) | 1990-05-18 | 1990-05-18 | Descaling device with water hammer prevention |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0412306U true JPH0412306U (en) | 1992-01-31 |
| JPH069687Y2 JPH069687Y2 (en) | 1994-03-16 |
Family
ID=31571646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5184990U Expired - Lifetime JPH069687Y2 (en) | 1990-05-18 | 1990-05-18 | Descaling device with water hammer prevention |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH069687Y2 (en) |
-
1990
- 1990-05-18 JP JP5184990U patent/JPH069687Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH069687Y2 (en) | 1994-03-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |