CN203997596U - The automatic temp controller of storage tank - Google Patents
The automatic temp controller of storage tank Download PDFInfo
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- CN203997596U CN203997596U CN201420473894.1U CN201420473894U CN203997596U CN 203997596 U CN203997596 U CN 203997596U CN 201420473894 U CN201420473894 U CN 201420473894U CN 203997596 U CN203997596 U CN 203997596U
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- storage tank
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- electric heater
- crude oil
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Abstract
The utility model belongs to crude oil storage facilities technical field, relate to a kind of crude oil storage tank, be specifically related to a kind of automatic temp controller of storage tank, comprise electric heater, mixing device, electric contact thermometer, power circuit and control circuit, electromotor control circuit is controlled the start and stop of mixing device, electric heater control circuit can be controlled heating crude oil, be divided into manual and automatic transmission, when debug circuit, need to open manual, use under normal circumstances automatic transmission, automatic transmission remains within the scope of 50～55 ℃ crude oil automatically.The utility model can make crude oil temperature very even, avoids localized hyperthermia, and heat is fully utilized, and automatically regulates temperature, does not need manual intervention, saves labour power.
Description
Technical field
The utility model belongs to crude oil storage facilities technical field, relates to a kind of crude oil storage tank, is specifically related to a kind of automatic temp controller of storage tank.
Background technology
In oilfield exploitation unit, after crude oil is exploited up, need in storage tank, temporarily store, wait to save bit by bit and can fill a transfer cask, then pump into transfer cask and transport.
Crude oil is very thickness, the particularly more crude oil of content of wax composition at normal temperatures, and normal temperature current downflow is very poor, so need heating when temporary transient storage, generally will be heated to 50 ℃ and could keep good flowing power above, could use pump to be transported in transfer cask.
Have researchist to try every means to storage tank heat, comprise heated by natural gas, electro heat etc., but great majority not A.T.Cs, the temperature that needs manual observation heat indicator to show, artificial start and stop heating arrangement, degree of automation is not high, causes labor waste.
Seldom there is researchist to add mixing device in storage tank the inside, heating arrangement just heats local crude oil, the flowing power of crude oil is poor, in tank, can not form convection current, can only be between adjacent two parts, to carry out heat conduction, crude oil is hot bad conductor, heat transfer efficiency is lower, heat very inhomogeneous, some local temperature is very high, some is local also terribly cold, thickness very also, in order to make everywhere crude oil temperature all more than 50 ℃, can only continue heating, near crude oil heating arrangement has surpassed 50 ℃ a lot, crude oil at a distance just rises to 50 ℃, heat energy is not fully utilized, heat inhomogeneous, cause energy dissipation.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, adapts to reality needs, and the automatic temp controller of the storage tank of a kind of A.T.C, homogeneous heating is provided.
The utility model is achieved through the following technical solutions, it is a kind of automatic temp controller of storage tank, comprise storage tank, on storage tank, have oil inlet and oil outlet, it is characterized by and also comprise electric heater, mixing device, electric contact thermometer, power circuit and control circuit; Electric heater be arranged on storage tank bottom, be immersed in crude oil, the attachment face of electric heater and storage tank is tightly oil tight; Mixing device comprises electrical motor, transmission shaft and helicallobe, electrical motor and storage tank fixed installation, transmission shaft and electrical motor spindle nose are fixedly connected, and transmission shaft end evenly fixedly mounts 3～8 helicallobes at circumferencial direction, and helicallobe is positioned at storage tank middle and lower part, is immersed in crude oil; Electric contact thermometer is arranged on storage tank sidewall, the position from electric heater away from, its temperature sensor section extend into crude oil the inside by mounting hole, fully contact with crude oil, gauge outfit is exposed at outside storage tank sidewall, and the attachment face of electric contact thermometer and sidewall is tightly oil tight; Power circuit, except comprising electrical motor and electric heater, also comprises three groups of main contacts of three groups of main contacts of contactless switch of circuit breaker, control electrical motor and the contactless switch of control electric heater; Three input ends of circuit breaker connect three phase line lead-in wires from three-phase four-wire system Industrial Transport electric line; Three groups of main contact input ends controlling the contactless switch of electrical motor connect respectively three mouths of circuit breaker, and mouth is connected to respectively three input ends of electrical motor; Three groups of main contact input ends controlling the contactless switch of electric heater connect respectively three mouths of circuit breaker, and mouth connects respectively three input ends of electric heater; Control circuit comprises electromotor control circuit and electric heater control circuit; Electromotor control circuit comprises that the coil of the contactless switch of controlling electrical motor and one group often open auxiliary contact, one and often drive button, a normally closed button, often open button and Chang Kai auxiliary contact in parallel, the circuit obtaining and coil, the series connection of normally closed button, the zero line of circuit one termination power obtaining, another any mouth of termination circuit breaker; Electric heater control circuit is except comprising electric contact thermometer, also comprise coil and two groups of coils of often driving auxiliary contact, an intermediate relay and the one group normally closed interlock often opening button, normally closed button, double-throw switch, control the contactless switch of electric heater, electric contact thermometer comprises common port, low-temperature end and temperature end, double-throw switch comprises common port, manual and automatic transmission, electric heater control circuit can be divided into manual and two loops of automatic transmission, and the common port of double-throw switch is connected to any mouth of circuit breaker; Manual coupling method is: often open button and contactless switch wherein one group often open auxiliary contact parallel connection, the circuit one end obtaining connects normally closed button, the other end connects contactless coil, three forms circuit series, the normally closed turret terminal of circuit series obtaining connects the manual of double-throw switch, and that one end of coil connects zero line; Automatic transmission and manual shared same contactless coil, automatic transmission circuit coupling method is: the common port of electric contact thermometer connects the automatic transmission of double-throw switch, remaining one group of contactless switch is often opened auxiliary contact one end and is connected double-throw switch automatic transmission, the other end connects the low-temperature end of electric contact thermometer, normally closed interlock one end of intermediate relay connects the low-temperature end of electric contact thermometer, the other end connects one end of contactless coil, this one end of coil is not zero line side, intermediate relay coil one end connects electric contact thermometer temperature end, another terminal connecting zero line.
In use, close circuit breaker first.
Open electromotor control circuit, helicallobe is rotated.The order of three phase line wiring will make helicallobe promote crude oil downwards, makes crude oil flow to electric heater, and the crude oil after heating flows downward, running into tank bottom can flow to surrounding, along sidewall, flow to upper strata, flow to the crude oil that helicallobe upper supplementary is pushed away away, force to form convection current.Press and often drive button, it and normally closed button, the contactless coil three who controls electrical motor form path and are connected to wherein mutually and between zero line of circuit breaker output, generation current, contactless coil obtains electric, corresponding three groups of main contacts and one group are often opened auxiliary contact closure, electrical motor must be established by cable and begin to rotate, drive helicallobe rotates, start working, decontrol and often drive button, the coil of contactless switch and Chang Kai auxiliary contact have formed self-locking state, and often opening auxiliary contact can be kept closed automatically, control circuit continues to keep mode of operation, and electrical motor keeps mode of operation.If want to quit work, press normally closed button, coil losing electricity, all normally open contacts of its correspondence reset to off-state, and electromotor control circuit becomes off state, and electrical motor dead electricity quits work, and helicallobe stops operating.
Opening electric heater control circuit.When debug circuit, need to open manually, use under normal circumstances automatic transmission.
The using method of the moving shelves of hand is first described, double-throw switch is thrown manual.Press and often drive button in this loop, double-throw switch, normally closed button, often drive button, the coil of the contactless switch of control heater forms C/LOOP, be connected between a phase line and zero line of circuit breaker output, the coil of contactless switch obtains electric, three groups of main contacts and two groups of auxiliary contacts of its correspondence are closed, electric heater obtains electric starting working, one group of auxiliary contact and the coil of often opening button parallel connection have formed self-locking state, at this moment decontrol and often drive button, auxiliary contact can be kept closed, double-throw switch, normally closed button, auxiliary contact, coil is held in C/LOOP, control circuit continues to keep mode of operation, electric heater keeps mode of operation.If want to stop manual control circuit, press normally closed button, coil losing electricity, all normally open contacts of its correspondence reset to off-state, and electric heater control circuit becomes off state, and electric heater dead electricity quits work.The reading of manual observation electric contact thermometer is pressed normally closed button and is quit work when higher than 55 ℃, presses often to drive button and start working when lower than 50 ℃.
Then the using method of automatic transmission is once described, double-throw switch is thrown to automatic transmission, the range of temperatures of electric contact thermometer is located to 50～55 ℃, then control circuit is with regard to energy automatic detection for temperature height, result according to detecting, quits work during higher than 55 ℃, during lower than 50 ℃, starts working.When crude oil temperature is during lower than 50 ℃ of lower limits, the common port of electric contact thermometer and low-temperature end are from being dynamically connected, double-throw switch, electric contact thermometer, the normally closed interlock of intermediate relay, the coil of controlling the contactless switch of electric heater forms path, be connected between a wherein phase line and zero line of circuit breaker output, the coil of contactless switch obtains electric, corresponding three groups of main contacts and two groups of auxiliary contacts are closed, electric heater obtains electric starting working, in heat process Crude Oil temperature, raise, the observed reading of electric contact thermometer equals then higher than 50 ℃, common port and low-temperature end disconnect automatically, at this moment the auxiliary contact that the coil of contactless switch and that group are connected between double-throw switch and electric contact thermometer forms self-locking, double-throw switch, contactless switch auxiliary contact, the normally closed interlock of intermediate relay, the coil of contactless switch keeps channel status, so electric heater can keep mode of operation.When crude oil temperature is during higher than 55 ℃ of the upper limits, the common port of electric contact thermometer and temperature end are from being dynamically connected, and intermediate relay obtains electric, its corresponding normally closed interlock disconnects, the coil losing electricity of contactless switch, all normally open contacts of its correspondence reset to off-state, and electric heater quits work.Crude oil is constantly to environment dissipated heat, and equitemperature is during again lower than 50 ℃ of lower limits, and the common port of electric contact thermometer and low-temperature end, from being dynamically connected, repeat again above-mentioned steps; When crude oil temperature is during higher than 55 ℃ of the upper limits, the common port of electric contact thermometer and temperature end, from being dynamically connected, repeat again above-mentioned steps, and control circuit is heavy above step again again and again, thereby reaches temperature automatically controlled object.If while stopping automatic transmission mode of operation, double-throw switch is thrown manual.
As shut down for a long time, cut-off breaker.
The beneficial effects of the utility model:
1. have the help of mixing device, the crude oil that makes whole storage tank constantly flows, and high temperature mutually mixes with crude oil low temperature, can make temperature very even, avoids localized hyperthermia, and heat is fully utilized.
2. have manual and two heating gears of automatic transmission, manual can being used for debugged, and automatic transmission does not need manual intervention, and control circuit makes crude oil remain in the range of temperatures needing automatically, saves labour power.
Accompanying drawing explanation
Shown in figure: 1. storage tank; 2. electrical motor; 3. transmission shaft; 4. oil inlet; 5. helicallobe; 6. electric contact thermometer; 6-1. low-temperature end; 6-2. temperature end; 6-3. common port; 7. oil outlet; 8. electric heater; 9. crude oil; 11, the lead-in wire of 12,13,14. three-phase four-wire system Industrial Transport electric line, wherein 14 is zero lines; 15. circuit breakers; 16. electrical motor contactless switchs; Tri-groups of main contacts of 16-1.; 16-2. coil; 16-3. often opens auxiliary contact; 17. electric heater contactless switchs; Tri-groups of main contacts of 17-1.; 17-2. coil; 17-3. often opens auxiliary contact; 17-4. often opens auxiliary contact; 18. double-throw switchs; 18-1. is manual; 18-2. automatic transmission; 18-3. common port; 19. normally closed buttons; 20. intermediate relays; 20-1. normally closed interlock; 20-2. coil; 21. often drive button; 22. normally closed buttons; 23. often drive button;
Fig. 1 is three-dimensional structure schematic diagram of the present utility model, and for ease of observing inner structure, storage tank hypothetically cuts away 1/4th;
Fig. 2 is front elevation of the present utility model, and for ease of observing inner structure, storage tank hypothetically cuts away 1/2nd;
Fig. 3 is along the cutaway view of A-A line in Fig. 2;
Fig. 4 is the utility model circuit connection schematic diagram.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated:
Embodiment: referring to Fig. 1 to Fig. 4.
An automatic temp controller for storage tank, comprises storage tank 1, has oil inlet 4 and oil outlet 7 on storage tank 1, it is characterized by and also comprises electric heater 8, mixing device, electric contact thermometer 6, power circuit and control circuit, as shown in Figures 1 to 4, electric heater 8 be arranged on storage tank 1 bottom, be immersed in 9 li of crude oil, the attachment face of electric heater 8 and storage tank 1 is tightly oil tight, mixing device comprises electrical motor 2, transmission shaft 3 and helicallobe 5, electrical motor 2 and storage tank 1 fixed installation, transmission shaft 3 and electrical motor 2 spindle noses are fixedly connected, and transmission shaft 3 ends evenly fixedly mount 4 helicallobes 5 at circumferencial direction, and helicallobe 5 is positioned at storage tank 1 middle and lower part, is immersed in 9 li of crude oil, electric contact thermometer 6 is arranged on storage tank 1 sidewall, the position from electric heater 8 away from, its temperature sensor section extend into crude oil 9 the insides by mounting hole, fully contact with crude oil 9, gauge outfit is exposed at outside storage tank 1 sidewall, and the attachment face of electric contact thermometer 6 and sidewall is tightly oil tight, as shown in Figure 4, power circuit is except comprising electrical motor 2 and electric heater 8, also comprises three groups of main contact 16-1 of circuit breaker 15, electrical motor contactless switch 16 and three groups of main contact 17-1 of electric heater contactless switch 17, three input ends of circuit breaker 15 connect three phase line lead-in wires from three-phase four-wire system Industrial Transport electric line, three groups of main contact 16-1 input ends of electrical motor contactless switch connect respectively three mouths of circuit breaker 15, and mouth is connected to respectively three input ends of electrical motor 2, three groups of main contact 17-1 input ends of electric heater contactless switch connect respectively three mouths of circuit breaker 15, and mouth connects respectively three input ends of electric heater, control circuit comprises electromotor control circuit and electric heater control circuit, electromotor control circuit comprises that the coil 16-2 of electrical motor contactless switch and one group often open auxiliary contact 16-3, one and often drive button 21, a normally closed button 22, often open button 21 and Chang Kai auxiliary contact 16-3 in parallel, the circuit obtaining and coil 16-2,22 series connection of normally closed button, the zero line of circuit one termination power obtaining, another termination circuit breaker 15 any mouths, electric heater control circuit is except comprising electric contact thermometer 6, also comprise that is often driven a button 23, a normally closed button 19, a double-throw switch 18, the coil 17-2 of electric heater contactless switch and two groups are often opened auxiliary contact 17-3 and 17-4, the coil 20-2 of an intermediate relay 20 and one group normally closed interlock 20-1, electric contact thermometer 6 comprises common port 6-3, low-temperature end 6-1 and temperature end 6-2, double-throw switch 18 comprises common port 18-3, manual 18-1 and automatic transmission 18-2, electric heater control circuit can be divided into manual and two loops of automatic transmission, the common port 18-3 of double-throw switch is connected to circuit breaker 15 any mouth, manual coupling method is: often open button 23 and contactless switch often to open auxiliary contact 17-3 in parallel, the circuit one end obtaining connects normally closed button 19, the other end connects contactless coil 17-2, three forms circuit series, normally closed button 19 ends of circuit series that obtain connect the manual 18-1 of double-throw switch, and that one end of coil 17-2 connects zero line, automatic transmission and manual shared same contactless coil 17-2, automatic transmission circuit coupling method is: the common port 6-3 of electric contact thermometer connects the automatic transmission 18-2 of double-throw switch, contactless switch often leaves auxiliary contact 17-4 one end and connects double-throw switch automatic transmission 18-2, the other end connects the low-temperature end 6-1 of electric contact thermometer, normally closed interlock 20-1 one end of intermediate relay connects the low-temperature end 6-1 of electric contact thermometer, the other end connects one end of contactless coil 17-2, but not zero line side, intermediate relay coil 20-2 one end connects electric contact thermometer temperature end 6-2, another terminal connecting zero line.
In use, close circuit breaker 15 first.
Open electromotor control circuit, helicallobe 5 is rotated.The order of three phase line wiring will make helicallobe 5 promote crude oil 9 downwards, make crude oil flow to electric heater 8, crude oil 9 after heating flows downward, running into storage tank 1 bottom can flow to surrounding, along sidewall, flow to upper strata, flow to the crude oil 9 that helicallobe 5 upper supplementary are pushed away away, force to form convection current.Press and often drive button 21, it and normally closed button 22, electrical motor contactless coil 16-2 three forms path, be connected between circuit breaker 15 one of them mouth and zero line, generation current, contactless coil 16-2 obtains electric, corresponding three groups of main contact 16-1 and Chang Kai auxiliary contact 16-3 are closed, electrical motor 2 must be established by cable and begin to rotate, drive helicallobe 5 to rotate, start working, decontrol and often drive button 21, the coil 16-2 of contactless switch and Chang Kai auxiliary contact 16-3 have formed self-locking, auxiliary contact 16-3 can be kept closed automatically, control circuit continues to keep mode of operation, electrical motor 2 keeps mode of operation.If want to quit work, press normally closed button 22, coil 16-2 dead electricity, all normally open contacts of its correspondence reset to off-state, and electromotor control circuit becomes off state, and electrical motor 2 dead electricity quit work, and helicallobe stops operating.
Opening electric heater control loop.When debug circuit, need to open manually, use under normal circumstances automatic transmission.
The using method of the moving shelves of hand is first described, double-throw switch 18 is thrown to manual 18-1.Press and often drive button 23 in this loop, double-throw switch 18, normally closed button 19, often drive button 23, the coil 17-2 of temperature booster contactless switch forms C/LOOP, be connected between circuit breaker 15 one of them mouth and zero line, the coil 17-2 of contactless switch obtains electric, three groups of main contact 17-1 of its correspondence and two groups of auxiliary contact 17-3 and 17-4 are closed, electric heater 8 obtains electric starting working, often open auxiliary contact 17-3 and coil 17-2 has formed self-locking state, at this moment decontrol and often drive button 23, auxiliary contact 17-3 can be kept closed, double-throw switch 18, normally closed button 19, auxiliary contact 17-3, coil 17-2 is held in C/LOOP, control circuit continues to keep mode of operation, electric heater 8 keeps mode of operation.If want to stop manual control circuit, press normally closed button 19, coil 17-2 dead electricity, all normally open contacts of its correspondence reset to off-state, and electric heater control circuit becomes off state, and electric heater 8 dead electricity quit work.The reading of manual observation electric contact thermometer 6 is pressed normally closed button 19 and is quit work when higher than 55 ℃, presses often to drive button 23 and start working when lower than 50 ℃.
Then the using method of automatic transmission is once described, double-throw switch 18 is thrown to automatic transmission 18-2, the range of temperatures of electric contact thermometer 6 is located to 50～55 ℃, then control circuit is with regard to energy automatic detection for temperature height, according to the result detecting, during higher than 55 ℃, quit work, during lower than 50 ℃, start working.When crude oil 9 temperature are during lower than 50 ℃ of lower limits, the common port 6-3 of electric contact thermometer and low-temperature end 6-1 are from being dynamically connected, double-throw switch 18, electric contact thermometer 6, normally closed interlock 20-1, the coil 17-2 of electric heater contactless switch forms path, be connected between circuit breaker 15 one of them mouth and zero line 14, the coil 17-2 of contactless switch obtains electric, corresponding three groups of main contact 17-1 and two groups of auxiliary contact 17-3, 17-4 is closed, electric heater 8 obtains electric starting working, in heat process Crude Oil 9 temperature, raise, the observed reading of electric contact thermometer 6 equals then higher than 50 ℃, common port 6-3 and low-temperature end 6-1 disconnect automatically, at this moment the coil 17-2 of contactless switch with often open auxiliary contact 17-4 and form self-locking, double-throw switch 18, contactless switch auxiliary contact 17-4, the normally closed interlock 20-1 of intermediate relay, the coil 17-2 of contactless switch keeps channel status, so electric heater 8 can keep mode of operation.When crude oil temperature is during higher than 55 ℃ of the upper limits, the common port 6-3 of electric contact thermometer and temperature end 6-2 are from being dynamically connected, intermediate relay 20 obtains electric, its corresponding normally closed interlock 20-1 disconnects, the coil 17-2 dead electricity of contactless switch, all normally open contacts of its correspondence reset to off-state, and electric heater 8 quits work.Crude oil 9 is constantly to environment dissipated heat, and equitemperature is during again lower than 50 ℃ of lower limits, and the common port 6-3 of electric contact thermometer and low-temperature end 6-1, from being dynamically connected, repeat again above-mentioned steps; When crude oil 9 temperature are during higher than 55 ℃ of the upper limits, the common port 6-3 of electric contact thermometer and temperature end 6-2, from being dynamically connected, repeat again above-mentioned steps, and control circuit is heavy above step again again and again, thereby reaches temperature automatically controlled object.If stop automatic transmission mode of operation, double-throw switch 18 is thrown to manual 18-1.
As shut down for a long time, cut-off breaker 15.
The beneficial effect of the present embodiment:
1. have the help of mixing device, the crude oil 9 that makes whole storage tank constantly flows, and high temperature mutually mixes with crude oil low temperature, can make temperature very even, avoids localized hyperthermia, and heat is fully utilized.
2. have manual and two heating gears of automatic transmission, manual can being used for debugged, and automatic transmission does not need manual intervention, and control circuit makes crude oil remain in the range of temperatures needing automatically, saves labour power.
Claims (3)
1. an automatic temp controller for storage tank, comprises storage tank, has oil inlet and oil outlet on storage tank, it is characterized by:
Also comprise electric heater, mixing device, electric contact thermometer, power circuit and control circuit;
Electric heater be arranged on storage tank bottom, be immersed in crude oil;
Mixing device comprises electrical motor, transmission shaft and helicallobe, electrical motor and storage tank fixed installation, transmission shaft and electrical motor spindle nose are fixedly connected, and transmission shaft end evenly fixedly mounts helicallobe at circumferencial direction, and helicallobe is positioned at storage tank middle and lower part, is immersed in crude oil;
Electric contact thermometer is arranged on storage tank sidewall, and its temperature sensor section extend into crude oil the inside by mounting hole, contacts with crude oil, and gauge outfit is exposed at outside storage tank sidewall;
Power circuit also comprises circuit breaker, control electrical motor contactless switch three groups of main contacts and control three groups of main contacts of the contactless switch of electric heater;
Three input ends of circuit breaker connect three phase line lead-in wires from three-phase four-wire system Industrial Transport electric line;
Three groups of main contact input ends controlling the contactless switch of electrical motor connect respectively three mouths of circuit breaker, and mouth connects respectively three input ends of electrical motor;
Three groups of main contact input ends controlling the contactless switch of electric heater connect respectively three mouths of circuit breaker, and mouth connects respectively three input ends of electric heater;
Control circuit comprises electromotor control circuit and electric heater control circuit;
Electromotor control circuit comprises that the coil of the contactless switch of controlling electrical motor and one group often open auxiliary contact, one and often drive button, a normally closed button, often open button and Chang Kai auxiliary contact in parallel, the circuit obtaining and coil, the series connection of normally closed button, the zero line of circuit one termination power obtaining, another any mouth of termination circuit breaker;
Electric heater control circuit is except comprising electric contact thermometer, also comprise coil and two groups of coils of often driving auxiliary contact, an intermediate relay and the one group normally closed interlock often opening button, normally closed button, double-throw switch, control the contactless switch of electric heater, electric contact thermometer comprises common port, low-temperature end and temperature end, double-throw switch comprises common port, manual and automatic transmission, electric heater control circuit can be divided into manual and two loops of automatic transmission, and the common port of double-throw switch is connected to any mouth of circuit breaker;
Manual coupling method is: often open button and contactless switch wherein one group often open auxiliary contact parallel connection, the circuit one end obtaining connects normally closed button, the other end connects contactless coil, three forms circuit series, the normally closed turret terminal of circuit series obtaining connects the manual of double-throw switch, and that one end of coil connects zero line;
Automatic transmission and manual shared same contactless coil, automatic transmission circuit coupling method is: the common port of electric contact thermometer connects the automatic transmission of double-throw switch, remaining one group of contactless switch is often opened auxiliary contact one end and is connected double-throw switch automatic transmission, the other end connects the low-temperature end of electric contact thermometer, normally closed interlock one end of intermediate relay connects the low-temperature end of electric contact thermometer, the other end connects one end of contactless coil, this one end of coil is not zero line side, intermediate relay coil one end connects electric contact thermometer temperature end, another terminal connecting zero line.
2. the automatic temp controller of storage tank according to claim 1, it is characterized by temperature regulating range is 50～55 ℃.
3. the automatic temp controller of storage tank according to claim 1 and 2, the quantity that it is characterized by helicallobe is 3～8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420473894.1U CN203997596U (en) | 2014-08-21 | 2014-08-21 | The automatic temp controller of storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420473894.1U CN203997596U (en) | 2014-08-21 | 2014-08-21 | The automatic temp controller of storage tank |
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| Publication Number | Publication Date |
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| CN203997596U true CN203997596U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420473894.1U Expired - Fee Related CN203997596U (en) | 2014-08-21 | 2014-08-21 | The automatic temp controller of storage tank |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105197446A (en) * | 2015-09-18 | 2015-12-30 | 常州市艾森塑料科技有限公司 | Automatic stirring material storage tower |
| CN109335322A (en) * | 2018-10-27 | 2019-02-15 | 临泉县赛莱斯农用车有限公司 | One kind can self-cleaning heating device of bottled beverage |
| CN111114700A (en) * | 2019-12-17 | 2020-05-08 | 武汉理工大学 | Crude oil tank |
| CN113071819A (en) * | 2020-01-03 | 2021-07-06 | 中国石油天然气股份有限公司 | Automatic control device and control method for electric heating of oil storage tank |
-
2014
- 2014-08-21 CN CN201420473894.1U patent/CN203997596U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105197446A (en) * | 2015-09-18 | 2015-12-30 | 常州市艾森塑料科技有限公司 | Automatic stirring material storage tower |
| CN109335322A (en) * | 2018-10-27 | 2019-02-15 | 临泉县赛莱斯农用车有限公司 | One kind can self-cleaning heating device of bottled beverage |
| CN111114700A (en) * | 2019-12-17 | 2020-05-08 | 武汉理工大学 | Crude oil tank |
| CN113071819A (en) * | 2020-01-03 | 2021-07-06 | 中国石油天然气股份有限公司 | Automatic control device and control method for electric heating of oil storage tank |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20150821 |
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| EXPY | Termination of patent right or utility model |