CN201435015Y - Anticorrosion gas heating and temperature-control device - Google Patents

Anticorrosion gas heating and temperature-control device Download PDF

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Publication number
CN201435015Y
CN201435015Y CN2009201520436U CN200920152043U CN201435015Y CN 201435015 Y CN201435015 Y CN 201435015Y CN 2009201520436 U CN2009201520436 U CN 2009201520436U CN 200920152043 U CN200920152043 U CN 200920152043U CN 201435015 Y CN201435015 Y CN 201435015Y
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temperature
heating
container
etch
controlling instruments
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Expired - Fee Related
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CN2009201520436U
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Chinese (zh)
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邱密雄
易峰
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Individual
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Individual
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Abstract

The utility model provides an anticorrosion gas heating and temperature-control device, which comprises an inlet port, an outlet port, a heating container, a heating tube, a temperature sensor, a small container, a temperature-control switch, an automatically controlled cabinet and a PLC, wherein the inlet port is arranged on the upper portion of the heating container, the outlet port is arrangedon the lower portion of the heating container, the heating tube pierces through the middle of the whole heating container, and the temperature sensor and the small container are arranged on one side of the heating container. The anticorrosion gas heating and temperature-control device of the utility model accurately maintains the constant temperature (temperature error about plus/minus 0.5 DEG C),can be reliably used, and is helpful to large-scale popularization.

Description

A kind of etch-proof gas is heated, temperature controlling instruments
Technical field
The utility model relates to gas temperature control technology field, and particularly a kind of etch-proof gas is heated, temperature controlling instruments.
Background technology
Generally speaking, chemical reaction must take place just to have best reaction efficiency within suitable temperature range, therefore, in chemical industry, often need to adopt warming-up device that reaction raw materials is heated and use certain temperature control mechanism to keep suitable steady temperature, continuing to take place under the reaction efficiency preferably to guarantee chemical reaction; Have corrosive reaction raw materials (as corrosive acid, alkali etc.) at part, warming-up device also must possess corresponding Corrosion Protection could operate as normal.
Common temperature control mechanism (as bimetal plate temperature controling switch) adopts simple limit value system, promptly sets temperature required value, and when temperature was lower than this value, the power supply that temperature detect switch (TDS) is connected heating tube (sheet) began heating; When temperature reached or be higher than this value, the power supply that temperature detect switch (TDS) cuts off heating tube (sheet) stopped heating.The major defect of this temperature control mode is that the temperature of heating object is circular wave from low to high within certain scope all the time, and the temperature control error ratio is bigger, and normally used bimetal plate temperature controling switch temperature-controlled precision is ± 5 ℃.And in corrosive atmosphere, the functional reliability of temperature detect switch (TDS) (bimetal plate temperature controling switch) can not effectively be guaranteed.
Summary of the invention
The purpose of this utility model is to overcome the shortcoming of prior art, provides that a kind of etch-proof gas is heated, temperature controlling instruments.
Etch-proof gas of the present utility model is heated, temperature controlling instruments; can accurately control temperature fluctuation; and be the chemical gases raw material warming-up device of safety durable; the technical matters that is solved mainly is to make gas raw material accurately keep steady temperature (temperature error ± 0.5 ℃); be provided with multiple protective mechanism and prevent that the gas raw material superheated from causing accident, under the prerequisite of support equipment Corrosion Protection, effectively reduce the device fabrication cost.
The container of heating of the present utility model is made by metal (as titanium alloy) or nonmetal (as modified polyvinyl chloride CPVC) anticorrosive, in a tubular form container.Container is provided with air intake opening and gas outlet, connects draft tube and escape pipe respectively.Quartz heating-pipe and temperature sensor are set in the container.At internal tank one small container of being made by the homogeneity anticorrosive is arranged, be used to place temperature detect switch (TDS), itself and corrosive gas are isolated.
The PLC (programmable logic controller (PLC)) that the real time temperature data of temperature sensor collection are sent in the automatic control cabinet presses PID (proportional integral derivative) algorithm process, form the voltage up-down of control signal control heating tube, regulating the power of heating tube, the temperature fluctuation range that is heated gas accurately is controlled within the scope of setting value ± 0.5 ℃.
It is overheated that the utility model adopts the triple protection system to prevent.When gas temperature reaches the capping value in temperature sensor detects container, PLC will control the voltage of heating tube and reduce to 0 volt; Gas temperature continued to meet or exceed the capping value in the time of 5 seconds in temperature sensor detects container, will send alerting signal; When gas temperature in the container reaches the setting ultimate value, temperature detect switch (TDS) will cut off the power supply (and power supply of air intake pump) of quartz heating-pipe automatically, and the work that stops heating tube is to guarantee safety.
A kind of etch-proof gas is heated, temperature controlling instruments, etch-proof gas is heated, temperature controlling instruments, form by air intake opening, gas outlet, the container of heating, heating tube, temperature sensor, small container, temperature detect switch (TDS), automatic control cabinet, PLC, air intake opening is positioned at the top of the container of heating, the gas outlet is positioned at the bottom of the container of heating, heating tube is applied in the centre of the whole container of heating, and temperature sensor and small container are positioned at a side of the container of heating.
Described air intake opening and gas outlet connect draft tube and escape pipe respectively.
The described container of heating is made by titanium alloy metal or modified polyvinyl chloride, and shell uses anticorrosion fiberglass FRP to make.
Described heating tube is a quartz heating-pipe, and the surface of heating tube contact gas is quartzy material.
Described temperature sensor surface scribbles polytetrafluoroethylene PTFE anticorrosive coating.
Described placement temperature detect switch (TDS) places in the small container, and small container is made by the homogeneity anticorrosive, and the homogeneity anticorrosive is a polytetrafluoroethylene PTFE anticorrosive coating, the surperficial anticorrosion with painting erosion resisting coating of temperature sensor contact gas.
Described PLC places the automatic control cabinet.
Described PLC connects heating tube, the voltage up-down of the control signal control heating tube of PLC.
Described temperature sensor and small container are positioned at lower end one side of heating tube.
Described gas is heated, temperature controlling instruments is made the tubular shape container.
Beneficial effect
Gas of the present utility model is heated, temperature controlling instruments compared with similar products, accuracy of temperature control has been improved an order of magnitude, reliability and security are better, shell of tank and heater members have all used senior anticorrosive, provide high-grade Corrosion Protection, durable in the chemical corrosion environment.The utility model has ensured the optimum efficiency of safety in production and chemical reaction, and is reliability and durability, is beneficial to large-scale promotion.
Description of drawings
Fig. 1 is that the etch-proof gas of the utility model is heated, the temperature controlling instruments structural representation.
Fig. 2 is that the utility model gas is heated, the temperature changing curve diagram of 26 ℃ of air of temperature controlling instruments heating.
Fig. 3 is that the utility model gas is heated, the temperature changing curve diagram of 15 ℃ of air of temperature controlling instruments heating.
Embodiment
Describe the utility model in detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, the container 3 of heating of the present utility model is made by metal (as titanium alloy) or nonmetal (as modified polyvinyl chloride CPVC) anticorrosive, use anticorrosion fiberglass (FRP) to make shell of tank, apply the senior anticorrosive coating (as polytetrafluoroethylene PTFE) of heatproof excellence at the direct inner surface of container of contact corrosion gas raw material, when reaching good Corrosion Protection, guarantee the overall structure of container and corresponding heatproof, insulation and mechanical shock resistance are provided.The designing and manufacturing technique of container meets CD 130A 8-87, CD 130A 9-87, HG 20520-92, HG/T 21633-91, HG/T 20679-90, HG/T21636-87, the anticorrosion standards of relevant industries such as HG 20536-93, HG/T 20696-99.
Etch-proof gas is heated, temperature controlling instruments, etch-proof gas is heated, temperature controlling instruments, form by air intake opening 1, gas outlet 2, the container 3 of heating, heating tube 4, temperature sensor 5, small container 6, temperature detect switch (TDS) 7, automatic control cabinet 8, PLC9, air intake opening 1 is positioned at the top of the container 3 of heating, gas outlet 2 is positioned at the bottom of the container 3 of heating, heating tube 4 is applied in the centre of the whole container 3 of heating, and temperature sensor 5 and small container 6 are positioned at a side of the container 3 of heating.
Air intake opening 1 and gas outlet 2 connect draft tube and escape pipe respectively.Quartz heating-pipe 4 and temperature sensor 5 are set in the container.Temperature sensor 5 surfaces scribble the senior anticorrosive coating (as polytetrafluoroethylene PTFE) of heatproof excellence.At internal tank one small container of being made by the homogeneity anticorrosive 6 is arranged, be used to place temperature detect switch (TDS) 7, itself and corrosive gas are isolated, guarantee that temperature detect switch (TDS) 7 is in the medium-term and long-term effectively work of corrosive atmosphere.
The container of heating is made by titanium alloy metal or modified polyvinyl chloride, and shell uses anticorrosion fiberglass FRP to make.
Heating tube is a quartz heating-pipe, and the surface of heating tube contact gas is quartzy material.
The temperature sensor surface scribbles polytetrafluoroethylene PTFE anticorrosive coating.
Place temperature detect switch (TDS) and place in the small container, small container is made by the homogeneity anticorrosive, and the homogeneity anticorrosive is a polytetrafluoroethylene PTFE anticorrosive coating, the surperficial anticorrosion with painting erosion resisting coating of temperature sensor contact gas.
PLC places the automatic control cabinet.
PLC connects heating tube, the voltage up-down of the control signal control heating tube of PLC.
Temperature sensor and small container are positioned at lower end one side of heating tube.
Gas is heated, temperature controlling instruments is made the tubular shape container.
During work, gas to be heated is exported by gas outlet 2 by quartz heating-pipe 4 heating backs by in air intake opening 1 input pod; Temperature sensor 5 and temperature detect switch (TDS) 7 were measured the temperature of output gas before the gas outlet.
The real time temperature data that temperature sensor 5 is gathered are sent to PLC 9 in the automatic control cabinet 8 by PID (proportional integral derivative) algorithm process, form the voltage up-down of control signal control heating tube 4, regulating the power of heating tube, the temperature fluctuation range that is heated gas accurately is controlled within the scope of setting value ± 0.5 ℃.
It is overheated that the utility model adopts the triple protection system to prevent.When temperature sensor 5 detects that gas temperature reaches the capping value in the container, PLC9 will control the voltage of heating tube 4 and reduce to 0 volt; Gas temperature continued to meet or exceed the capping value in the time of 5 seconds in the container when temperature sensor 5 detects, and will send the alerting signal alert and handle; When gas temperature in the container reaches the setting ultimate value, temperature detect switch (TDS) 7 will cut off heating tube automatically) power supply, the work that stops heating tube is to guarantee safety.
Accuracy of temperature control of the present utility model is ± 0.5 ℃, and the accuracy of temperature control of firing equipment ± 5 of common bimetal plate temperature controling switch control ℃ has been improved an order of magnitude.
Embodiment 1, the air of 1 standard atmospheric pressure is imported heating tube by admission line, make heating tube in running order, design temperature is 70 ℃, getting gas temperature at the air intake opening before measurement is 26 ℃, sentence per 10 seconds frequency detecting air outlet temperatures once in the gas outlet, draw temperature variation curve (Fig. 2) according to temperature-measuring results, as shown in Figure 2, the temperature variation curve of 26 ℃ of air of heating (setting 70 ℃ of air outlet temperatures), since the 0th minute, air outlet temperature rose rapidly from 26 ℃, reach 70 ℃ of design temperatures in the time of the 2nd minute 50 seconds, temperature curve fluctuates up and down around design temperature afterwards, and along with the heating tube working time increases, the fluctuation up and down of temperature curve exceedes to become gently, be similar to sinusoidal curve, fluctuation range is controlled within 69.5 ℃～70.5 ℃ the interval all the time.
Embodiment 2, the air of 1 standard atmospheric pressure is imported heating tube by admission line, make heating tube in running order, design temperature is 70 ℃, getting gas temperature at the air intake opening before measurement is 15 ℃, sentence per 10 seconds frequency detecting air outlet temperatures once in the gas outlet, draw temperature variation curve (Fig. 3) according to temperature-measuring results, as shown in Figure 3, the temperature variation curve of 15 ℃ of air of heating (setting 70 ℃ of air outlet temperatures), since the 0th minute, air outlet temperature rose rapidly from 26 ℃, reach 70 ℃ of design temperatures in the time of the 3rd minute, temperature curve fluctuates up and down around design temperature afterwards, and along with the heating tube working time increases, the fluctuation up and down of temperature curve exceedes to become gently, be similar to sinusoidal curve, fluctuation range is controlled within 69.5 ℃～70.5 ℃ the interval all the time.

Claims (10)

1, a kind of etch-proof gas is heated, temperature controlling instruments, etch-proof gas is heated, temperature controlling instruments, by air intake opening (1), gas outlet (2), the container (3) of heating, heating tube (4), temperature sensor (5), small container (6), temperature detect switch (TDS) (7), automatic control cabinet (8), PLC (9) forms, it is characterized in that, air intake opening (1) is positioned at the top of the container of heating (3), gas outlet (2) is positioned at the bottom of the container of heating (3), heating tube (4) is applied in the centre of the whole container of heating (3), and temperature sensor (5) and small container (6) are positioned at a side of the container of heating (3).
2, etch-proof gas according to claim 1 heat, temperature controlling instruments, it is characterized in that described air intake opening (1) and gas outlet (2) connect draft tube and escape pipe respectively.
3, etch-proof gas according to claim 1 heat, temperature controlling instruments, it is characterized in that the described container of heating (3) is made by titanium alloy metal or modified polyvinyl chloride, shell uses anticorrosion fiberglass FRP to make.
4, etch-proof gas according to claim 1 heat, temperature controlling instruments, it is characterized in that described heating tube (4) is a quartz heating-pipe, the surface of heating tube (4) contact gas is quartzy material.
5, etch-proof gas according to claim 1 heat, temperature controlling instruments, it is characterized in that described temperature sensor (5) surface scribbles polytetrafluoroethylene PTFE anticorrosive coating.
6, etch-proof gas according to claim 1 heat, temperature controlling instruments, it is characterized in that, described placement temperature detect switch (TDS) (7) places in the small container (6), small container (6) is made by the homogeneity anticorrosive, the homogeneity anticorrosive is a polytetrafluoroethylene PTFE anticorrosive coating, the surperficial anticorrosion with painting erosion resisting coating of temperature sensor (7) contact gas.
7, etch-proof gas according to claim 1 heat, temperature controlling instruments, it is characterized in that described PLC (9) places automatic control cabinet (8).
8, according to claim 1 or 7 described etch-proof gases heat, temperature controlling instruments, it is characterized in that described PLC (9) connects heating tube (4), the voltage up-down of the control signal of PLC (9) control heating tube (4).
9, etch-proof gas according to claim 1 heat, temperature controlling instruments, it is characterized in that described temperature sensor (5) and small container (6) are positioned at lower end one side of heating tube (4).
10, etch-proof gas according to claim 1 heat, temperature controlling instruments, it is characterized in that described gas is heated, temperature controlling instruments is made the tubular shape container.
CN2009201520436U 2009-04-23 2009-04-23 Anticorrosion gas heating and temperature-control device Expired - Fee Related CN201435015Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009201520436U CN201435015Y (en) 2009-04-23 2009-04-23 Anticorrosion gas heating and temperature-control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009201520436U CN201435015Y (en) 2009-04-23 2009-04-23 Anticorrosion gas heating and temperature-control device

Publications (1)

Publication Number Publication Date
CN201435015Y true CN201435015Y (en) 2010-03-31

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102393767A (en) * 2011-10-20 2012-03-28 中国航天科技集团公司第五研究院第五一〇研究所 Temperature control device and method of gas in low pressure vessel
CN105757363A (en) * 2014-12-13 2016-07-13 天津威康医疗用品有限公司 High-temperature resistant quartz container
CN106402830A (en) * 2015-07-28 2017-02-15 江苏吉华化工有限公司 Intelligent pressure boiler for chemical industry production

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102393767A (en) * 2011-10-20 2012-03-28 中国航天科技集团公司第五研究院第五一〇研究所 Temperature control device and method of gas in low pressure vessel
CN102393767B (en) * 2011-10-20 2013-08-14 中国航天科技集团公司第五研究院第五一〇研究所 Temperature control device and method of gas in low pressure vessel
CN105757363A (en) * 2014-12-13 2016-07-13 天津威康医疗用品有限公司 High-temperature resistant quartz container
CN106402830A (en) * 2015-07-28 2017-02-15 江苏吉华化工有限公司 Intelligent pressure boiler for chemical industry production

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GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100331

Termination date: 20110423