CN206094016U - Automatic blowdown flash tank of control liquid level - Google Patents
Automatic blowdown flash tank of control liquid level Download PDFInfo
- Publication number
- CN206094016U CN206094016U CN201621048584.0U CN201621048584U CN206094016U CN 206094016 U CN206094016 U CN 206094016U CN 201621048584 U CN201621048584 U CN 201621048584U CN 206094016 U CN206094016 U CN 206094016U
- Authority
- CN
- China
- Prior art keywords
- liquid level
- flash vessel
- traveller
- vessel body
- gripper shoe
- 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 - Fee Related
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Abstract
The utility model discloses an automatic blowdown flash tank of control liquid level belongs to boiler water treatment equipment technical field, including the flash vessel body, the bottom of flash vessel body is equipped with the drain header way, on saying, the drain header is equipped with the solenoid valve, be equipped with on the flash vessel body lateral wall along the liquid level pipe of flash vessel body axis direction setting, the lower extreme and the flash vessel body lateral wall lower part intercommunication of liquid level pipe, the intraductal controlling means that is equipped with of liquid level, controlling means includes the backup pad, end face centre position department is equipped with the switch seat under the backup pad, be equipped with the magnetic reed switch of opening and close for control solenoid in the switch seat, be connected with the traveller under the switch seat on the terminal surface, the cover is equipped with magnetic floater on the traveller, and the traveller lower extreme is equipped with the separation blade.
Description
Technical field
The utility model belongs to boiler water treatment equipment technical field, and in particular to a kind of blowdown dilatancy of automatic liquid level control
Device.
Background technology
Operating boiler feedwater pressure, temperature are higher, and directly outer row easily causes personnel's scald, therefore effluent from boiler is needed
Want that next stage blowdown apparatus can be entered Jing after dilatation is depressured, be to improve space availability ratio in actual production, often multiple stage
Boiler is equipped with a flash vessel, and boiler blow-off load is unstable, is that liquid level is normally run in effective control flash vessel, traditional
Mostly hydrophobic flow is controlled using float-ball type device in flash vessel, i.e., float-ball type valve system, boiler are installed inside flash vessel
Sewer enters flash vessel Jing after step-down dilatation, and a part of blowdown water sublimate becomes jet chimney of the steam from the top of flash vessel leads
Go out to reuse, another part sewer then directly accumulates in flash vessel bottom, liquid level is risen to after certain altitude, ball float is floating
Power effect is lower to be risen, and drives flash vessel outlet flashboard to open, and flows out sewer, and water level decreasing is returned to normally in device to be expanded
During value, ball float falls, and flashboard is closed, in this kind of flash vessel, because sewer is contained within a large amount of salts substances, to ball float and flashboard
It is corrosive, As time goes on, the problems such as ball float leak source, flashboard corrosion occurs, controlling water level ability is greatly reduced,
Simultaneously because the control device is arranged on inside flash vessel, need to empty flash vessel during maintenance, enter in flash vessel from manhole
Portion is overhauled, and troublesome poeration, economy is not high.
Utility model content
The purpose of this utility model is to provide a kind of blowdown system of automatic liquid level control, the liquid level control of the flash vessel
Device processed is located at outside flash vessel, easy access.
A kind of blowdown system of automatic liquid level control of technical solutions of the utility model, including flash vessel body, the expansion
The bottom of vessel is provided with drain header road, and the drain header road is provided with magnetic valve, on described this body sidewall of flash vessel
The liquid level tube arranged along flash vessel body axis direction is provided with, lower end and the flash vessel body lower sidewall of the liquid level tube connect
It is logical, control device is provided with liquid level tube, the control device includes gripper shoe, and gripper shoe lower surface center position is provided with
Switch base, is provided with the magnetic reed switch for controlling magnetic valve keying in the switch base, be connected with the switch base lower surface
Traveller, is arranged with magnetic float on the traveller, traveller lower end is provided with catch.
Preferably, the blowdown system of a kind of automatic liquid level control described in the utility model, the liquid level tube upper end sets
There is the mounting groove coordinated with gripper shoe, the gripper shoe is located in mounting groove, and seal washer is provided between gripper shoe and mounting groove,
The top of fagging is provided with cover plate, and the cover plate, gripper shoe and seal washer are tightly connected by bolt and liquid level tube upper end.
Preferably, the blowdown system of a kind of automatic liquid level control described in the utility model, the traveller lower sidewall
External screw thread is provided with, the catch is circle, its center position perforate, and hole inwall is provided with internal thread, catch and traveller screw thread
Connection.
Preferably, the blowdown system of a kind of automatic liquid level control described in the utility model, the magnetic valve front end is also
It is provided with regulating valve.
Liquid level tube described in technical solutions of the utility model is connected with flash vessel body lower sidewall, thus in liquid level tube
Liquid level is identical with the internal liquid level of flash vessel sheet, and the control device is arranged on liquid level tube top, when liquid level rises in liquid level tube,
Magnetic float is moved in the presence of buoyancy along traveller, and permanent magnet is provided with magnetic float, in the presence of magnetic float magnetic field,
Magnetic reed switch closure in switch base, control magnetic valve is opened, the draining of drain header road, and liquid level drops to normally in device to be expanded
During water level, magnetic float falls and magnetic reed switch is not affected by magnetic float magnetic field, and now magnetic reed switch disconnects, magnetic valve
Close, the closure of magnetic reed switch is controlled by SEA LEVEL VARIATION in flash vessel and is disconnected, and then control the opening and closing of magnetic valve to reach
To the purpose of automatic control water level so that the flash vessel runs all the time under suitable water level.
The utility model technology beneficial effect：
Technical solutions of the utility model by flash vessel body exterior arrange liquid level tube, on liquid level tube top removably
Control device is set, by the opening and closing of liquid level change regulation and control main drainage pipeline solenoid in flash vessel, so that it is guaranteed that flash vessel
Interior water level keeps normal, and the utility model is rational in infrastructure, and liquid automatic control ability is strong, and control device is arranged on flash vessel body
Outside, easy access.
Description of the drawings
Fig. 1 is the utility model structural representation,
Fig. 2 is the structural representation of control device described in the utility model.
Specific embodiment
For ease of skilled artisan understands that technical solutions of the utility model, new to this practicality in conjunction with Figure of description
Type technical scheme is described further.
As shown in Figures 1 and 2, a kind of blowdown system of automatic liquid level control described in the utility model, including dilatation
Device body 1, the bottom of the flash vessel body 1 is provided with drain header road 2, and the drain header road 2 is provided with magnetic valve 3, institute
State the side wall of flash vessel body 1 be provided with along the axis direction of flash vessel body 1 arrange liquid level tube 4, the lower end of the liquid level tube 4 with
The lower sidewall of flash vessel body 1 is connected, and is provided with control device in liquid level tube 4, and the control device includes gripper shoe 5, described
Fagging 5 is connected with the upper end of liquid level tube 4, and the lower surface center position of gripper shoe 5 is provided with switch base 6, the switch base 6 and is provided with
To the magnetic reed switch 7 for controlling the keying of magnetic valve 3, traveller 8 is connected with the lower surface of the switch base 6, is arranged on the traveller 8
Be magnetic float 9, and the lower end of traveller 8 is provided with catch 10.
The upper end of the liquid level tube 4 is provided with the mounting groove coordinated with gripper shoe 5, and the gripper shoe 5 is located in mounting groove, is supported
Seal washer 11 is provided between plate 5 and mounting groove, the top of gripper shoe 5 is provided with cover plate 12, the cover plate 12, gripper shoe 5 and sealing
Packing ring 11 is tightly connected by bolt 13 with the upper end of liquid level tube 4.
The lower sidewall of the traveller 8 is provided with external screw thread, and the catch 10 is circle, its center position perforate, hole inwall
Internal thread is provided with, catch 10 is threadedly coupled with traveller 8.
The front end of the magnetic valve 3 is additionally provided with regulating valve 14.
In the utility model embodiment, when magnetic float 9 is located at extreme lower position, magnetic reed switch 7 is not by the magnetic of magnetic float 9
Field affects, and the height of water level when extreme lower position of magnetic float 9 is normally run with flash vessel body 1 is consistent, when in use, boiler
Blowdown load is larger, and water level rises above ordinary water level in flash vessel body 1, water level and the water of flash vessel body 1 in liquid level tube 4
Position is identical, and now magnetic float 9 is moved by buoyancy along traveller 8, and the magnetic field of magnetic float 9 affects magnetic reed switch 7 to be allowed to close
Close, and then open magnetic valve 3, the sewer of drain header road 2, with the decline of liquid level in flash vessel body 1, under magnetic float 9
Position is preferably minimized, magnetic reed switch 7 is no longer affected by magnetic fields, then magnetic reed switch 7 disconnects, and magnetic valve 3 is closed, the utility model leads to
Cross the change of liquid level in flash vessel body 1 to control closure or the disconnection of magnetic reed switch 7, and then control the opening and closing of magnetic valve 3, from
And adjust the water yield in flash vessel body 1 so as to keep ordinary water level, it is to avoid full water occur or without water level operation, this practicality is new
Control device in type is arranged on outside flash vessel body 1, and is detachably connected with liquid level tube 4, and dilatation need not be entered during maintenance
It is easy to operate in device body 1, improve overhaul efficiency.
Technical solutions of the utility model are exemplarily described above in conjunction with accompanying drawing to utility model, it is clear that this practicality
New implementing is not subject to the restrictions described above, as long as employ method design of the present utility model and technical scheme carrying out
Various unsubstantialities improve, or it is not improved the design of utility model and technical scheme are directly applied to into other occasions,
Within protection domain of the present utility model.
Claims (4)
1. a kind of blowdown system of automatic liquid level control, including flash vessel body, the bottom of the flash vessel body is provided with row
Water main pipeline, it is characterised in that the drain header road is provided with magnetic valve, described this body sidewall of flash vessel is provided with along dilatation
The liquid level tube that device body axis direction is arranged, the lower end of the liquid level tube connects with flash vessel body lower sidewall, in liquid level tube
Control device is provided with, the control device includes gripper shoe, and gripper shoe lower surface center position is provided with switch base, described
The magnetic reed switch for controlling magnetic valve keying is provided with switch base, traveller, the cunning are connected with the switch base lower surface
Magnetic float is arranged with post, traveller lower end is provided with catch.
2. the blowdown system of a kind of automatic liquid level control according to claim 1, it is characterised in that on the liquid level tube
End is provided with the mounting groove coordinated with gripper shoe, and the gripper shoe is located in mounting groove, and sealing gasket is provided between gripper shoe and mounting groove
Circle, the top of gripper shoe is provided with cover plate, and the cover plate, gripper shoe and seal washer are connected by bolt and the sealing of liquid level tube upper end
Connect.
3. a kind of blowdown system of automatic liquid level control according to claim 1, it is characterised in that traveller side wall
Bottom is provided with external screw thread, and the catch is circle, and its center position perforate, hole inwall is provided with internal thread, catch and traveller
Threaded connection.
4. the blowdown system of a kind of automatic liquid level control according to claim 1, it is characterised in that before the magnetic valve
End is additionally provided with regulating valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621048584.0U CN206094016U (en) | 2016-08-31 | 2016-08-31 | Automatic blowdown flash tank of control liquid level |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621048584.0U CN206094016U (en) | 2016-08-31 | 2016-08-31 | Automatic blowdown flash tank of control liquid level |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206094016U true CN206094016U (en) | 2017-04-12 |
Family
ID=58476426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621048584.0U Expired - Fee Related CN206094016U (en) | 2016-08-31 | 2016-08-31 | Automatic blowdown flash tank of control liquid level |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206094016U (en) |
-
2016
- 2016-08-31 CN CN201621048584.0U patent/CN206094016U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170412 Termination date: 20180831 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |