CN2224955Y - Constant temperature electric heating asphalt valve - Google Patents
Constant temperature electric heating asphalt valve Download PDFInfo
- Publication number
- CN2224955Y CN2224955Y CN 95236660 CN95236660U CN2224955Y CN 2224955 Y CN2224955 Y CN 2224955Y CN 95236660 CN95236660 CN 95236660 CN 95236660 U CN95236660 U CN 95236660U CN 2224955 Y CN2224955 Y CN 2224955Y
- Authority
- CN
- China
- Prior art keywords
- electric heating
- constant temperature
- insulation
- asphalt
- valve
- 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
Links
- 238000005485 electric heating Methods 0.000 title claims abstract description 48
- 239000010426 asphalt Substances 0.000 title claims abstract description 13
- 238000009413 insulation Methods 0.000 claims description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract description 2
- 230000008018 melting Effects 0.000 abstract 2
- 238000002844 melting Methods 0.000 abstract 2
- 238000009835 boiling Methods 0.000 abstract 1
- 230000006866 deterioration Effects 0.000 abstract 1
- 238000007599 discharging Methods 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 abstract 1
- 238000004321 preservation Methods 0.000 abstract 1
- 230000036760 body temperature Effects 0.000 description 4
- 230000005494 condensation Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 2
- 206010000369 Accident Diseases 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000011280 coal tar Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 208000030208 low-grade fever Diseases 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Landscapes
- Temperature-Responsive Valves (AREA)
Abstract
The utility model discloses a constant temperature electric heating valve for discharging asphalt liquid, which is characterized in that a constant temperature electric heating device is arranged at the bottom of a valve body. The constant temperature electric heating device consists of a temperature-limiting electric heater and an automatic thermostat, the limited temperature is below 105 ℃, the heat preservation is between 60 ℃ and 100 ℃, and the constant temperature electric heating device has the characteristics of safe and convenient use, reduction of the labor intensity of workers, improvement of the production efficiency of asphalt transportation and boiling, and maintenance of no pollution to the working environment and no deterioration of the asphalt. The asphalt melting device is suitable for asphalt storage, transportation, melting and other equipment of highway and urban construction departments, and has use and development values.
Description
The utility model relates to a kind of constant temperature electric heating valve that is used to discharge asphaltic liquid.
At present, the valve that adopted of highway in China and coal tar field that urban construction department had jurisdiction over and enduring workshop generally is plain cast iron stop valve or gate valve.This valve arrangement is simple, low price, but, thereby usually when enduring or conveying asphalt, need heat valve body with firewood or fuel lance, institute heeltap green grass or young crops in the softener valve, the interior oil discharge passage of unimpeded valve because pitch condensation below 40 ℃ the time can not be flowed.Like this, not only labor intensity is big, and work efficiency is low, and pollutes working environment, influences the healthy of workman, also causes fire accident easily simultaneously, is unfavorable for safety in production.
The purpose of this utility model provides a kind of constant temperature electric heating asphalt valve of safe and sanitary easy to use.
The purpose of this utility model is achieved in that it is provided with the constant temperature electric heating device in the bottom of common valve body.This constant temperature electric heating device mainly is made up of warm electric heating apparatus of limit and automatic thermostat parallel circuit.Limit warm electric heating apparatus to be made up of the magnetic steel temperature limiter and the series circuit of heating electric heating tube, automatic thermostat then is made up of the bimetal insulation switch and the series circuit of insulation electric heating tube.
For example, when the needs bi tumenf orr oad flows out, connect power supply from valve body, limit the heating electric heating tube of warm electric heating apparatus just to begin valve body is heated, make the interior condensation pitch of valve softening.When the valve body temperature rises to 45 ℃-60 ℃, open valve and can discharge pitch.When the valve body temperature reached 101 ℃-105 ℃, magnetic steel temperature limiter auto power off, electric heating apparatus stopped heating, and the valve body temperature then begins to descend.When temperature was reduced to 60 ℃, the bimetal release auto-closing was connected power supply, and the heating of insulation electric heating tube is carried out the low-grade fever insulation to valve body, flowed thereby make the interior pitch of valve not agglutinate and continue.
The utility model compared with prior art has following advantage:
Because electric heater directly closely contacts with valve body, heat leakage is few, and thermal efficiency height can improve the valve body temperature in a short period of time rapidly and flow out to pitch is softening.The cooperation control of magnetic steel temperature limiter and automatic heat preserving device is arranged again, guaranteeing to flow through valve body pitch non-ageing again while of condensation neither, fundamentally eliminated owing to use the artificial heating outside valve of firewood or fuel lance, temperature is difficult for grasping the pitch evaporation that causes even burns and the poison gas of generation and the hidden danger of fire, not only economize on electricity is saved trouble, alleviated working strength of workers, improved working efficiency, reduced cost of production, and reduced environmental pollution, help the healthy of workman and safety in production.The utility model is not only applicable to many facilities of highway and urban construction department pitch smelter, also can be used for pitch storage tank, train, automobile pitch transfer cask, equipment such as pitch oil sump and enduring workshop, its applied range has excellent development use value and prospect.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is a constant temperature electric heating apparatus structure schematic representation of the present utility model.
Fig. 3 is an electrical schematic diagram of the present utility model.
Describe concrete structure of the present utility model in detail below in conjunction with drawings and Examples.
Referring to Fig. 1-3, it comprises valve body 1, and the bottom of valve body 1 is a concave curved surface shape, to increase hot area.Connect the constant temperature electric heating device 2 that a profile is a disk stove sample at the concave surface place of valve body 1 bottom.Constant temperature electric heating device 2 mainly is made up of the parallel circuit of warm electric heating apparatus of limit and automatic thermostat.Limit warm electric heating apparatus to be made up of the magnetic steel temperature limiter 10 and the series circuit of heating electric heating tube, automatic thermostat then is made up of the bimetal insulation switch 11 and the series circuit of insulation electric heating tube 9.It also comprises the metal shell 3 that is connected with valve body bottom and the insulated thermal insulating layer 4 in the shell, and shell 3 is provided with power socket hole 5, burner on light 6 and be incubated tutorial light 6 ' and temperature limit switch 12, burner on light 6 and resistance R
1Be connected in parallel on after the series connection on the bimetal insulation switch 11, and insulation tutorial light 6 ' and resistance R
2Be connected in parallel on after the series connection on the temperature limit switch 12.Being provided with the top in metal shell 3 is the electric-heating plate 7 of sealed type, the concave surface that the top of electric-heating plate is at the bottom of convex-shaped and the valve matches, in electric-heating plate 7, lay heating electric heating tube 8 and insulation electric heating tube 9 respectively, and settle magnetic steel temperature limiter 10 in the central authorities of electric-heating plate 7, the inductive head of magnetic steel temperature limiter should be close to the valve body bottom, is provided with bimetal insulation switch 11 below magnetic steel temperature limiter 10.Heating electric heating tube 8 and insulation electric heating tube 9 together are cast in the middle of the disk body when casting electric-heating plate 7, have so not only strengthened mechanical strength, but also have had corrosion resistance preferably, thermal conductivity and good insulation performance.The power of electric heating tube 8 is decided by the size of valve body model, is generally 50W-2000W, also can be as required greater than 2000W.Temperature that the utility model is limit is between 103 ± 2 ℃, and insulation is generally between 60 ℃-100 ℃.But also can adjust bimetal insulation switch and control minimum holding temperature according to the pitch kind.
Claims (4)
1, a kind of constant temperature electric heating asphalt valve, it comprises valve body (1), it is characterized in that in the bottom of valve body (1) a constant temperature electric heating device (2) being set, this constant temperature electric heating device (2) mainly is made up of the parallel circuit of warm electric heating apparatus of limit and automatic thermostat.
2, asphalt valve according to claim 1, it is characterized in that the constant temperature electric heating device also comprises metal shell (3) and the interior insulated thermal insulating layer (4) of shell that is connected with the valve body bottom, shell (3) is provided with power socket hole (5), burner on light (6) and insulation tutorial light (6 ') and temperature limit switch (12), in metal shell (3), be provided with electric-heating plate (7), in electric-heating plate (7), lay heating electric heating tube (8) and insulation electric heating tube (9) respectively, and magnetic steel temperature limiter (10) is set in the central authorities of electric-heating plate (7) and at the bottom of being close to valve, be arranged with bimetal insulation switch (11) again.
3, asphalt valve according to claim 1 and 2, it is characterized in that limitting warm electric heating apparatus to be made up of the magnetic steel temperature limiter (10) and the series circuit of electric heating tube (8), automatic thermostat then is made up of the bimetal insulation switch (11) and the series circuit of insulation electric heating tube (9).
4, asphalt valve according to claim 2 is characterized in that burner on light (6) and resistance R
1Be connected in parallel on after the series connection on the bimetal insulation switch (11), and insulation tutorial light (6 ') and resistance R
2Be attempted by after the series connection on the temperature limit switch (12).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 95236660 CN2224955Y (en) | 1995-04-21 | 1995-04-21 | Constant temperature electric heating asphalt valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 95236660 CN2224955Y (en) | 1995-04-21 | 1995-04-21 | Constant temperature electric heating asphalt valve |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2224955Y true CN2224955Y (en) | 1996-04-17 |
Family
ID=33879603
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 95236660 Expired - Fee Related CN2224955Y (en) | 1995-04-21 | 1995-04-21 | Constant temperature electric heating asphalt valve |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2224955Y (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106475002A (en) * | 2016-11-21 | 2017-03-08 | 成都精密光学工程研究中心 | Polishing glue preparation facilitiess |
CN108603618A (en) * | 2016-01-29 | 2018-09-28 | 日本恒温装置株式会社 | Wire insulation construction in flow control valve assembly |
-
1995
- 1995-04-21 CN CN 95236660 patent/CN2224955Y/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108603618A (en) * | 2016-01-29 | 2018-09-28 | 日本恒温装置株式会社 | Wire insulation construction in flow control valve assembly |
CN108603618B (en) * | 2016-01-29 | 2020-08-11 | 日本恒温装置株式会社 | Wire insulation structure in flow control valve device |
CN106475002A (en) * | 2016-11-21 | 2017-03-08 | 成都精密光学工程研究中心 | Polishing glue preparation facilitiess |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
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 |