CN2086880U - Returning water controller of atmospheric boiler - Google Patents
Returning water controller of atmospheric boiler Download PDFInfo
- Publication number
- CN2086880U CN2086880U CN 91200877 CN91200877U CN2086880U CN 2086880 U CN2086880 U CN 2086880U CN 91200877 CN91200877 CN 91200877 CN 91200877 U CN91200877 U CN 91200877U CN 2086880 U CN2086880 U CN 2086880U
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- CN
- China
- Prior art keywords
- valve
- water
- pressure
- spring
- boiler
- 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
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Abstract
The utility model relates to an automatic controller for the returning water system of the atmospheric hot water boiler, which drives a piston with liquid medium to impel the start and stop of the valve, composed of a pipeline valve and a controller. The structure of the returning water controller of atmospheric boiler comprises a valve body, a valve base, a valve handle door, a cylinder body, a piston and a spring, etc. The returning water controller of atmospheric boiler is equipped in the returning-water pipe line of the atmospheric boiler, and the piston moves downwards and drives the valve handle under the function of the spring when the pressure of the water outlet is reduced because of the machine halt of the water pump so as to close the valve; inversely, the pressure of the drainage pipe is increased when the pump is restarted, and water is injected in the cylinder body; the piston compresses the spring and drives the valve handle to open the valve, which realizes the normal work of the pipe line. The returning water controller of atmospheric boiler has the advantages of simple structure, operational safety, long life time and convenient maintenance, etc.
Description
The utility model relates to a kind of normal-pressure hot-water boiler pipeline return water system automatic opening-closing.
Normal-pressure hot-water boiler is that a kind of medium can free wxpansion, the boiler of uncovered operation, because its operating pressure is identical with atmospheric pressure, so need hot water be sent into system's (as heating system) with water pump, its backwater is then by the hydraulic flow back boiler, this has just formed the working cycles of normal-pressure boiler, and in the return pipe of normal-pressure boiler, need to be provided with a control device, generally in return water system, use the manual opening-closing valve at present, if when meeting left alone without help pump, must close back-water valve (BWV) simultaneously, otherwise can cause backwater to leak into boiler and overflow from lower water box, if unexpected left alone without help pump, it is too late that operating personnel react, and above-mentioned situation is more outstanding, and this is a long-term thorny difficult problem.Solution, what have enters the preceding height (being not less than the building height) of boiler water tank by improving return pipe, make the preceding water seal of backwater vertical tube, this way is not only taken a lot of work but also take material, still can not realize with the keying of pump synchronous, it is a kind of backwater control valve that promotes valve opening and closing by the rubber swelling chamber that " 89216648.7 " provide that application number is arranged by retrieval, because the restriction of capsule volume and stroke, be unsuitable for flashboard type boiler valve body, and rubber easily aged deterioration under the effect of boiler hot-water for a long time, telescopicing performance decreases, sensitive reliability variation.
The purpose of this utility model provide a kind of sensitivity, reliable, the life-span is long, can make with ordinary metallic material, by liquid driven, the mechanical automatic control circuit control device of pipeline output, control in order to the backwater that satisfies pipe-line system.
The technical solution of the utility model is: this device is made up of pipeline valve and controller two parts, its structure: pipeline cuts down partly water inlet, delivery port, valve seat (2) is arranged therebetween, valve (3) is arranged on valve seat (2) top and pass cylinder body (5) lower wall and can move up and down valve rod (4) and link, the shell of controller is by cylinder body (5), pressure regulation housing (14) is formed, establishing notes pipes (15) at cylinder body (5) downside links to each other with the water pump outlet pipe areole, cylinder body (5) inner carrier (6) connects spring (8), conduit (7) and guide rod (9) are arranged in the spring (8), there are pressure regulation double-screw bolt (10) and setscrew nut (11) in guide rod (9) top, between guide rod (9) and pressure regulation double-screw bolt (10) steel ball (13) is housed.Its operation principle is: (comprise unexpected left alone without help pumps such as normal left alone without help pump or left alone without help electricity) when the left alone without help pump of water pump, water out pressure reduces, under spring (8) effect, piston (6) moves down drive valve rod (4) gets back in the valve seat (2) valve (3), thereby sealed backwater channel, pipeline valve closes when having realized left alone without help pump.Otherwise when pump started once more, outlet pipe pressure increased, and water enters cylinder body (5) from annotating pipe (15), and piston (6) compression spring (8) drives valve rod (4) valve (3) is mentioned lift off a seat (2), realizes the normal circulation of heating piping.
The utility model has the advantages that:
1, lean on the medium state of self carrying to change and control, sensitive and accurate, convenient.
2, use the ordinary metallic material manufacturing, boiler hot-water does not have rotten influence to this device, and is very reliable.
3, controller is adjustable, is fit to different pressure of return water requirements, and is provided with steel ball, adjusts laborsaving.
Fig. 1 is a normal-pressure boiler back water controlling apparatus schematic diagram.
Among the figure: 1--valve body, 2--valve seat, 3--valve,
4--valve rod, 5--cylinder body, 6--piston,
7--conduit, 8--spring, 9--guide rod,
10--pressure regulation double-screw bolt, 11--setscrew nut, 12--lid,
13--steel ball, 14--pressure regulation housing, 15--annotate pipe,
16--" O " RunddichtringO.
The concrete structure of embodiment of the present utility model as shown in the figure, with 2 inch water return pipelines is example: its structure is by the water inlet on the valve body (1), delivery port by with the identical isometrical pipe fitting of 2 inch in adapter footpath, pipeline is through type (or elbow type), profile is a T-shaped, the upper end is that the cylinder body (5) of 30mm connects with internal diameter, it is that the valve rod (4) of 12mm connects that piston (8) and following diameter are arranged in cylinder body (5), the bottom that valve rod (4) passes cylinder body (5) connects with valve (3), spring (8) is housed in pressure regulation housing (14), spring is the compression spring, for adding Zhang Wending, be provided with conduit (7) and guide rod (9) in the spring (8), pressure regulation housing (14) connects with cylinder body (5) threadably, the upper end has lid (12) to connect pressure regulation housing (14) with the double-screw bolt of three M6, pressure regulation double-screw bolt (10) passes through from the stud bolt hole of the M12 of lid (12) central authorities, the steel ball (13) that to be lined with a diameter between guide rod (9) and pressure regulation spiral shell (10) be 4mm, screw pressure regulation double-screw bolt (10) and come the deflection of regulating spring (8), realize the pressure regulation effect of controller, and O sealing ring (16) is arranged in cylinder body (5) and valve rod (4) junction, to avoid the mutual seepage of water of cylinder body (5) and pipeline valve.
Claims (3)
1, a kind of normal-pressure boiler back water controlling apparatus of forming by valve body (1), valve seat (2), valve (3), spring (8) etc., it is characterized in that: controller housing is by cylinder body (5), pressure regulation housing (14) and lid (12) are formed, cylinder body (5) downside is provided with notes pipes (15) and links with the water pump outlet pipe areole, cylinder body (5) inner carrier (6) connects spring (8), be provided with conduit (7) and guide rod (9) in the spring (8), pressure regulation double-screw bolt (10) and setscrew nut (11) arranged in guide rod (9) top.
2, normal pressure pot reed back water controlling apparatus as claimed in claim 1 is characterized in that the pressure regulation double-screw bolt can be screwed to make the hoisting capacity of this device adjustable.
3, normal-pressure boiler back water controlling apparatus as claimed in claim 1 is characterized in that between guide rod (9) and the pressure regulation double-screw bolt (10) steel ball (13) being housed, and it is laborsaving flexibly that pressure is regulated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91200877 CN2086880U (en) | 1991-01-15 | 1991-01-15 | Returning water controller of atmospheric boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91200877 CN2086880U (en) | 1991-01-15 | 1991-01-15 | Returning water controller of atmospheric boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2086880U true CN2086880U (en) | 1991-10-16 |
Family
ID=4911732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91200877 Granted CN2086880U (en) | 1991-01-15 | 1991-01-15 | Returning water controller of atmospheric boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2086880U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104456956A (en) * | 2014-11-28 | 2015-03-25 | 江门市凯立信电气科技有限公司 | Water storage tank |
| CN104534662A (en) * | 2014-12-10 | 2015-04-22 | 江门市凯立信电气科技有限公司 | High-temperature water tank |
| CN104566984A (en) * | 2014-11-28 | 2015-04-29 | 江门市凯立信电气科技有限公司 | Water storage tank |
| CN106369812A (en) * | 2016-09-25 | 2017-02-01 | 中山市亲泉电热水器科技有限公司 | Pre-heating and instant heating dual-mode water heater |
-
1991
- 1991-01-15 CN CN 91200877 patent/CN2086880U/en active Granted
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104456956A (en) * | 2014-11-28 | 2015-03-25 | 江门市凯立信电气科技有限公司 | Water storage tank |
| CN104566984A (en) * | 2014-11-28 | 2015-04-29 | 江门市凯立信电气科技有限公司 | Water storage tank |
| CN104456956B (en) * | 2014-11-28 | 2017-02-22 | 江门市凯立信电气科技有限公司 | Water storage tank |
| CN104534662A (en) * | 2014-12-10 | 2015-04-22 | 江门市凯立信电气科技有限公司 | High-temperature water tank |
| CN104534662B (en) * | 2014-12-10 | 2017-02-22 | 江门市凯立信电气科技有限公司 | High-temperature water tank |
| CN106369812A (en) * | 2016-09-25 | 2017-02-01 | 中山市亲泉电热水器科技有限公司 | Pre-heating and instant heating dual-mode water heater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |