CN208295521U - A kind of adjustable constant temperature drain valve - Google Patents
A kind of adjustable constant temperature drain valve Download PDFInfo
- Publication number
- CN208295521U CN208295521U CN201820684746.2U CN201820684746U CN208295521U CN 208295521 U CN208295521 U CN 208295521U CN 201820684746 U CN201820684746 U CN 201820684746U CN 208295521 U CN208295521 U CN 208295521U
- Authority
- CN
- China
- Prior art keywords
- flap
- valve
- wax element
- temperature sensitive
- valve seat
- 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
A kind of adjustable constant temperature drain valve, including valve body, valve seat, adjustment spring, temperature sensitive wax element, flap, adjusting rod, gasket seal, adjusting nut；Wherein valve body is equipped with import and outlet, it is equipped with valve seat and flap in the runner center of import and outlet, the lower end of columnar flap is sitting on valve seat, and adjustment spring covers on flap, insertion is equipped with temperature sensitive wax element on flap, and the lower end of temperature sensitive wax element executes bar and resists valve seat in end；The upper end of temperature sensitive wax element resists the first end of adjusting rod, and columnar flap is in a cylinder；Columnar flap piston-like movement is limited by the cylinder；The second end of adjusting rod is in contact with an adjusting nut and offsets.
Description
Technical field:
The utility model relates to a kind of drain valve, imperial its is to be suitable for the industrial departments such as petroleum, chemical industry, power station to steam pipe
Road system carries out special valve, the i.e. adjustable constant temperature drain valve of protection and drain discharge control.
Background technique:
With the high speed development of the national economy in China, in industrial departments such as China's oil, chemical industry, power stations to steam pipework
System carries out the special valve of protection and drain discharge control, the especially control system of steam-heating pipe road indispensability, due to steaming
The presence of condensed water in vapour heating system, lowers the efficiency of heat transfer, flashes etc. and destroys to the formation impact of pipe-line system, burn into.
Petroleum, chemical industry, chemical fertilizer, pesticide, chemical fibre, papermaking, sugaring, food, power station etc. be each to need steam heating cycle enterprise, especially right
Pressure is low, displacement is big and temperature stability requires high, the unsuitable stagnant device systems for depositing condensed water, specially designed by steaming
Condensed water, air and carbon dioxide gas in vapour system are discharged as early as possible, while being automatically prevented from the leakage of steam to the maximum extent
Valve.
The special valve controlled using drain discharge, what the special valve of drain discharge control needed is used to control slurry stream
The valve on siphunculus road is more and more, new hydrophobic exhaust-control valve temperature sensitive wax element, this element have simultaneously temperature-sensitive and
Control function (reaches the expansion of a timing temperature sensitive wax element and stretches out execution unit), but the prior art be by main valve with lead
Valve dual structure, temperature sensitive wax element expansion drive main valve after driving pilot valve with recovery again, and the deficiency of existing product is: cannot
It adjusts steady temperature adjusting inconvenience and structure is complex.
Utility model content:
The utility model aim is to propose a kind of to be adjustable the dedicated of operating temperature and drain discharge easy to adjust control
Valve can be adjustable constant temperature drain valve；It is simple for the valve control system of steam-heating pipe road indispensability, especially structure.
The technical solution of the utility model is a kind of adjustable constant temperature drain valve, including valve body, valve seat, adjustment spring, temperature
Quick wax element, flap, adjusting rod, gasket seal, adjusting nut；Wherein valve body is equipped with import and outlet, in import and goes out
The runner center of mouth is equipped with valve seat and flap, and the lower end of columnar flap is sitting on valve seat, and adjustment spring covers on flap, valve
Insertion, which is embedded in and fixes, on valve is equipped with temperature sensitive wax element, and the lower end of temperature sensitive wax element executes bar and resists valve seat in end；Temperature
The upper end of quick wax element resists the first end of adjusting rod, and columnar flap is in a cylinder；It is limited by the cylinder
Columnar flap makees piston-like movement；The second end of adjusting rod is in contact with an adjusting nut and offsets.Temperature sensitive wax element is
Cylindrical member is preferably.
The adjustment spring is the recovery spring after elongation.
The course of work: temperature sensitive wax element is vaporized in the case where reaching steady temperature, and original temperature sensitive wax element is full of in flap
Space just have the gap of lifting, the lower end of temperature sensitive wax element executes bar and stretches out, and flap rises, and opens channel, discharge condensation
Water, when temperature drops to certain value, temperature sensitive wax element is solidified, when entire temperature sensitive wax element is fully cured
When, under the action of adjustment spring 2, just very close to each other in flap 4, flap is just fully sealed with sealing surface, to close entire
Valve.Certain temperature sensor that temperature sensitive wax element is adjusted by the height that 7 adjusting rods 7 can adjust flap at any time, from
And adjust the initial temperature for opening drain valve.
The utility model has the advantages that the utility model proposes a kind of be adjustable operating temperature and drain discharge easy to adjust control
Special valve can be adjustable constant temperature drain valve；In particular for the valve control system of steam-heating pipe road indispensability.Execution machine
The structural reduction of structure and valve is reasonable, easy to adjust, is conducive to the reliable use of valve and cost is relatively low.Valve seal is reliable.
Flashboard uses wear-resistant and corrosion-resistant austenitic stainless steel, and wear-resistant and corrosion resistance is strong；It is applied widely.
Novel temperature sensitive wax element is taken, the vaporization of wax element, guarantees condensed water under the conditions of guaranteeing at a constant temperature
Discharge at a constant temperature, reliable performance, no water hammer, noiseless can be installed in any direction.Using adjustment spring and adjust
Bar is mutually adjusted, and guarantees the accuracy adjusted.Flap uses wear-resistant and corrosion-resistant austenitic stainless steel, wear-resistant and corrosion-resistant
Performance is strong；It is applied widely.Keep sealing surface corrosion-resistant using different types of carbide reactor welding technology, impact resistance guarantees valve
The service life of door.
Detailed description of the invention:
FIG. 1 is a schematic structural view of the utility model.
Specific embodiment:
It is as shown in the figure: 1, valve body, 2, adjustment spring, 3, temperature sensitive wax element, 4, flap, 5, spelling cap, 6, stabiliser bar, 7, tune
Pole, 8, gasket seal, 9, gasket seal, 10, adjusting nut.
As shown, adjustable constant temperature drain valve, including valve body, adjustment spring, temperature sensitive wax element, flap, adjusting rod,
Gasket seal, adjusting nut；Wherein valve body is equipped with import and outlet, is equipped with valve seat and valve in the runner center of import and outlet
The lower end of valve, columnar flap is sitting on valve seat, and adjustment spring covers on flap, and flap center is equipped with temperature sensitive wax element,
The lower end of temperature sensitive wax element executes bar and resists valve seat from flap stretching in end；The upper end of temperature sensitive wax element resists adjusting rod
(adjusting rod can first connect a stabiliser bar, and stabiliser bar one end fixes upper-end contact or the fixation of temperature sensitive wax element by spelling cap, surely
The fixed pole other end is connect with adjusting rod again) first end, columnar flap is in cylinder；It is limited by the cylinder
Piston-like movement；The second end of adjusting rod is in contact with an adjusting nut and offsets.Adjusting nut is in a spiral shell fixed with valve seat
Rotation in set, to adjust adjusting rod at a distance from temperature sensitive wax element.The lower end of temperature sensitive wax element executes band after bar elongation
Dynamic adjustment spring more extends, and after the lower end of temperature sensitive wax element executes bar and shrinks, the recovery spring after elongation will be cylinder-shaped
Flap drop-down, the lower end and valve seat for restoring spring fix, flap and valve seat closure.
Temperature rises, and the lower end of temperature sensitive wax element executes bar and stretches out, and flap rises, and valve opening opens channel, valve
Outlet discharge condensed water, when temperature drops to certain value, temperature-sensitive media cures in temperature sensitive wax element, when entire temperature sensitive wax
When element is fully cured, under the action of adjustment spring, flap 4 is pulled down into, and flap and valve seat are with regard to very close to each other, and flap is just
It is fully sealed with sealing surface, to close entire valve.Flap can be adjusted at any time by adjusting adjusting of the nut to adjusting rod 7
Height, that is, temperature sensitive wax element execute bar operating distance be varied with temperature-sensitive temperature, so as to adjust open drain valve at the beginning of
Beginning temperature.
Novel temperature sensitive wax element is taken, and is mutually adjusted using adjustment spring with adjusting rod, the adjustment spring is
The recovery spring of recovery raw footage after elongation.Being adjusted downwards using adjusting rod, which makes temperature sensitive wax element lower end execute bar, makes downwards
When adjustment spring extends, then the tension of the utility model spring effect is big, and lesser lower end is needed to execute the strength of bar, temperature sensitive wax
As long as matter element has lower pressure pressure (lower temperature can make to execute bar movement)；Otherwise need higher pressure pressure
(higher temperature can make to execute bar movement), the utility model can guarantee the accuracy adjusted in certain temperature range.Flap is adopted
With wear-resistant and corrosion-resistant austenitic stainless steel.It (is needed using the valve seat that different types of carbide reactor welding technology prepares flap
Want accurate metalworking).
The foregoing is merely an embodiment of the present invention, are not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc. within the spirit and principle of utility model, to be included in the utility model
Protection scope within.
Claims (3)
1. a kind of adjustable constant temperature drain valve, characterized in that including valve body, valve seat, adjustment spring, temperature sensitive wax element, flap,
Adjusting rod, gasket seal, adjusting nut；Wherein valve body is equipped with import and outlet, is equipped in the runner center of import and outlet
The lower end of valve seat and flap, columnar flap is sitting on valve seat, and adjustment spring covers on flap, is embedded on flap and fixed warm
Quick wax element, the lower end of temperature sensitive wax element execute bar and resist valve seat in end；The upper end of temperature sensitive wax element resists adjusting
The first end of bar, columnar flap is in a cylinder；Columnar flap is limited by the cylinder and makees piston-like movement；
The second end of adjusting rod is in contact with an adjusting nut and offsets.
2. adjustable constant temperature drain valve according to claim 1, characterized in that the adjustment spring is the recovery after elongation
The spring of raw footage.
3. adjustable constant temperature drain valve according to claim 1, characterized in that adjusting nut was fixed at one with valve seat
Rotation in swivel nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820684746.2U CN208295521U (en) | 2018-05-09 | 2018-05-09 | A kind of adjustable constant temperature drain valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820684746.2U CN208295521U (en) | 2018-05-09 | 2018-05-09 | A kind of adjustable constant temperature drain valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208295521U true CN208295521U (en) | 2018-12-28 |
Family
ID=64703526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820684746.2U Expired - Fee Related CN208295521U (en) | 2018-05-09 | 2018-05-09 | A kind of adjustable constant temperature drain valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208295521U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108397685A (en) * | 2018-05-09 | 2018-08-14 | 盐城市大昌石化设备有限公司 | A kind of adjustable constant temperature drain valve |
-
2018
- 2018-05-09 CN CN201820684746.2U patent/CN208295521U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108397685A (en) * | 2018-05-09 | 2018-08-14 | 盐城市大昌石化设备有限公司 | A kind of adjustable constant temperature drain valve |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181228 Termination date: 20210509 |