CN102042928B - Multilayer assembled anti-explosion sample thermostat - Google Patents
Multilayer assembled anti-explosion sample thermostat Download PDFInfo
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- CN102042928B CN102042928B CN2010105290799A CN201010529079A CN102042928B CN 102042928 B CN102042928 B CN 102042928B CN 2010105290799 A CN2010105290799 A CN 2010105290799A CN 201010529079 A CN201010529079 A CN 201010529079A CN 102042928 B CN102042928 B CN 102042928B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The invention discloses a multilayer assembled anti-explosion sample thermostat, applied to the heating of petrochemical samples at the constant temperature. A constant-temperature base plate, a sample tube constant-temperature plate, a heating belt constant-temperature plate and a constant-temperature panel are arranged oppositely in sequence and are fixed together by fastening bolts. A right electric heating belt is arranged between the constant-temperature base plate and the sample tube constant-temperature plate, a sample constant-temperature tube is arranged between the sample tube constant-temperature plate and the heating belt constant-temperature plate, and a left electric heating belt is arranged between the heating belt constant-temperature plate and the constant-temperature panel. The right electric heating belt, the sample constant-temperature tube and the left electric heating belt are embedded in grooves of metal plates at two sides. Two ends of the right electric heating belt, two ends of the sample constant-temperature tube and two ends of the left electric heating belt are arranged outside the metal plates. The invention has the following effects of increasing heating area and improving heat efficiency by taking metal plates as heat transfer media and taking the anti-explosion electric heating belts as heat sources and embedding the metal plates and the anti-explosion electric heating belts in the grooves of the constant-temperature plates. In comparison with a liquid heat transfer medium, the multilayer assembled anti-explosion sampler thermostat does not need special seal and does not have the problem of the leakage of the liquid heat transfer medium.
Description
Technical field
The present invention relates to the petrochemical technology field, relate to the equipment of a kind of petrochemical complex sample (like gasoline, naphtha, cracking of ethylene liquid charging stock etc.) temperature constant, relate in particular to a kind of constant equipment of petrochemical complex sample temperature with explosion prevention function.Be mainly used in the sampling analysis of all kinds of on-line analysis instrument, be installed on the occasion of requirement of explosion proof.
Background technology
Some on-line analysis instrument (like near-infrared analyzer, viscosity analyser etc.) is when carrying out sampling analysis; Need be to the constant requirement (as ± 1 ℃) that strictness is arranged of sample temperature; And because on-the-spot requirement of explosion, need these analysis meters with and auxiliary equipment must meet corresponding explosion-proof criteria.The sample constant temperature of on-line analysis instrument generally adopts dual mode, and a kind of is to adopt heat interchanger, uses a kind of medium (like steam, water etc.) that sample is carried out heat exchange, realizes the constant temperature effect, the restive temperature of this method; A kind of in addition method is for adopting electric constant-temp equipment (like electrically heated rod, semiconductor chilling plate etc.); Power through control electric constant-temp equipment is realized thermostatic control, and is explosion-proof for realizing, these electric heating equipments be heated sample and all be installed in the special explosion-resistant enclosure; Explosion-resistant enclosure generally adopts isolates explosion-proof or positive-pressure explosion-proof; This blast resistance construction volume is comparatively huge, apparatus processing is required high, and needs the equipment break-off during daily patrolling and examining.
Chinese patent publication number: CN201034872 provides a kind of " eliminating the thermostatically-controlled equipment of solution steam bubble, foam ".Comprise temperature control equipment and constant temperature oven, constant temperature oven comprises the casing that is formed by heat-insulation layer and zone of heating, is provided with cooling tube and the steam bubble that is communicated with cooling tube, bubble elimination device in the casing; Liquid coolant is housed in the casing, and bottom half is provided with air hose, and temperature control equipment is electrically connected with zone of heating, and steam bubble, bubble elimination device are connected with temperature control equipment through RTD.Ability realizes detecting steam bubble in solution temperature, the elimination solution, foam is integrated, effectively removes steam bubble, foam in the liquid, is applicable to explosion-proof area.
Summary of the invention
The objective of the invention is: provide a kind of multilayer pin-connected panel explosion-proof sample thermostat, adopt sheet metal as heat transfer medium, explosion-proof heat tape is as thermal source, and is embedded within the temperature-constant plate groove, increases heating surface area, improves the thermal efficiency.
The technical scheme that the present invention adopts is: the explosion-proof sample thermostat of multilayer pin-connected panel; Mainly form by constant temperature base plate, right heat tape, sample hose temperature-constant plate, sample constant warm tube, heating tape temperature-constant plate, left heat tape, constant temperature panel and fastening bolt; It is characterized in that: constant temperature base plate, sample hose temperature-constant plate, heating tape temperature-constant plate and constant temperature panel are sheet metals; The metal heat transfer performance is good, and metal comprises silver, copper, aluminium, steel, stainless steel etc.Constant temperature base plate, sample hose temperature-constant plate, heating tape temperature-constant plate and constant temperature panel plane successively are fixed together relatively and with fastening bolt; Between constant temperature base plate and sample hose temperature-constant plate, right heat tape is arranged, between sample hose temperature-constant plate and heating tape temperature-constant plate, the sample constant warm tube is arranged, between heating tape temperature-constant plate and constant temperature panel, left heat tape is arranged; Right heat tape, sample constant warm tube and left heat tape are embedded in the groove of a both sides sheet metal or a side sheet metal; The two ends of right heat tape, sample constant warm tube and left heat tape conveniently connect in the outside of sheet metal.
Described fastening bolt vertically passes constant temperature panel, heating tape temperature-constant plate and sample hose temperature-constant plate, is fixed on the threaded hole of constant temperature base plate.
In order to increase heat transfer area and uniformly transfer heat, described right heat tape, sample constant warm tube and left heat tape are curved shape.
Described sample constant warm tube is a stainless-steel tube, and wall thickness is 1mm, and internal diameter is 6mm.Sample flows through in the sample constant warm tube, relies on heat transmission to carry out heat interchange.
In outlet of sample constant warm tube and inlet a temperature sensor is installed respectively.When temperature sensor is used for real-time test sample and gets into and the temperature behind the constant temperature.
For guaranteeing sample at the uniform velocity mobile in the sample constant warm tube, be connected with pressure limiting valve or counterbalance valve in the outlet of sample constant warm tube, carry out pressure and limit measure.
In order to reduce the delay of the fashionable air of sample flow, the direction of the endpiece of described sample constant warm tube upwards.
The use of the explosion-proof sample thermostat of summary multilayer pin-connected panel.Consult Fig. 1.At first.Use sample that sample constant warm tube 4 is washed and discharge air; Then the start-up control circuit is right heat tape 2 and left heat tape 6 power supplies.The detected sample inlet temperature of temperature sensor and the sample export temperature that are installed in sample constant warm tube 4 gateways are all as temperature controlled feedback signal; And be the electrical heating power that benchmark is regulated right heat tape 2 and left heat tape 6 with this numerical value, realize that finally the outlet sample temperature of sample constant warm tube 4 is constant.For guaranteeing the constant temperature effect, generally require sample flow to be no more than 200ml/m.
Beneficial effect of the present invention: the explosion-proof sample thermostat of multilayer pin-connected panel of the present invention effect is following:
1, adopts sheet metal as heat transfer medium, compare, do not need special sealing, the problem that does not also exist liquid heat-transfer medium to reveal with liquid heat-transfer medium.
2, sheet metal also as heat-storage medium, when getting into sample temperature generation bust, can have enough hot amount of redundancys to promote sample temperature not only as heat transfer medium.
3, adopt the multilayer splicing construction, process and assemble is simple, and is easy to maintenance.
4, adopt explosion-proof heat tape as thermal source, and be embedded within the temperature-constant plate groove, increase heating surface area, improve the thermal efficiency.
5, the sample constant warm tube is upwards angular bend, and is installed in the temperature-constant plate groove, reduces the delay of the fashionable air of sample flow on the one hand, increases heating surface area on the other hand, improves the thermal efficiency
6, adopt explosion-proof electrical heating, remove the needed bulky explosion-proof casing of conventional electrical heating from, daily patrolling and examining need not outage.
Description of drawings
Fig. 1 is the structural representation of the explosion-proof sample thermostat of multilayer pin-connected panel of the present invention.
Fig. 2 is the edge-on body profile figure of axle of the explosion-proof sample thermostat of multilayer pin-connected panel of the present invention.
Among the figure, 1. constant temperature base plate, 2. right heat tape, 3. sample hose temperature-constant plate, 4. sample constant warm tube, 5. heating tape temperature-constant plate, 6. left heat tape, 7. constant temperature panel, 8. fastening bolt.
Embodiment
Embodiment 1: with an explosion-proof sample thermostat of multilayer pin-connected panel is example, and the present invention is done further explain.
Consult Fig. 1.The explosion-proof sample thermostat of multilayer pin-connected panel mainly is made up of constant temperature base plate 1, right heat tape 2, sample hose temperature-constant plate 3, sample constant warm tube 4, heating tape temperature-constant plate 5, left heat tape 6, constant temperature panel 7 and fastening bolt 8.
Constant temperature base plate 1, sample hose temperature-constant plate 3, heating tape temperature-constant plate 5 and constant temperature panel 7 are that thickness is the copper coin of 12mm, length 300mm, width 200mm.Consult Fig. 2.Constant temperature base plate 1, sample hose temperature-constant plate 3, heating tape temperature-constant plate 5 and constant temperature panel 7 plane successively are fixed together relatively and with four fastening bolts 8.A flat board that can hang on the wall is arranged at the top of constant temperature base plate 1.Four fastening bolts 8 vertically pass constant temperature panel 7, heating tape temperature-constant plate 5 and sample hose temperature-constant plate 3, are fixed on the threaded hole of constant temperature base plate 1.Consult Fig. 1.Right heat tape 2 is arranged between constant temperature base plate 1 and sample hose temperature-constant plate 3, between sample hose temperature-constant plate 3 and heating tape temperature-constant plate 5, sample constant warm tube 4 is arranged, left heat tape 6 is arranged between heating tape temperature-constant plate 5 and constant temperature panel 7; Right heat tape 2 is embedded in the groove of sample hose temperature-constant plate 3; Sample constant warm tube 4 is embedded in the groove of both sides sheet metal with left heat tape 6.Right heat tape 2, sample constant warm tube 4 and left heat tape 6 are curved shape.Sample constant warm tube 4 is a stainless pipe, and wall thickness is 1mm, and internal diameter is 6mm.In 4 outlets of sample constant warm tube and inlet a temperature sensor is installed respectively.Outlet at sample constant warm tube 4 is connected with a pressure limiting valve.The direction of the endpiece of sample constant warm tube 4 upwards, being directed downwards of the inlet end of sample constant warm tube 4.Draw from the side of sheet metal at the two ends of right heat tape 2 and left heat tape 6.The two ends of right heat tape 2, sample constant warm tube 4 and left heat tape 6 are in the outside of sheet metal.
Claims (7)
1. explosion-proof sample thermostat of multilayer pin-connected panel; Mainly form by constant temperature base plate (1), right heat tape (2), sample hose temperature-constant plate (3), sample constant warm tube (4), heating tape temperature-constant plate (5), left heat tape (6), constant temperature panel (7) and fastening bolt (8); It is characterized in that: constant temperature base plate (1), sample hose temperature-constant plate (3), heating tape temperature-constant plate (5) and constant temperature panel (7) are sheet metals, and constant temperature base plate (1), sample hose temperature-constant plate (3), heating tape temperature-constant plate (5) and constant temperature panel (7) plane successively are fixed together relatively and with fastening bolt (8); Between constant temperature base plate (1) and sample hose temperature-constant plate (3), right heat tape (2) is arranged, between sample hose temperature-constant plate (3) and heating tape temperature-constant plate (5), sample constant warm tube (4) is arranged, between heating tape temperature-constant plate (5) and constant temperature panel (7), left heat tape (6) is arranged; Right heat tape (2), sample constant warm tube (4) and left heat tape (6) are embedded in the groove of a both sides sheet metal or a side sheet metal; The two ends of right heat tape (2), sample constant warm tube (4) and left heat tape (6) are in the outside of sheet metal.
2. the explosion-proof sample thermostat of multilayer pin-connected panel according to claim 1 is characterized in that: described fastening bolt (8) vertically passes constant temperature panel (7), heating tape temperature-constant plate (5) and sample hose temperature-constant plate (3), is fixed on the threaded hole of constant temperature base plate (1).
3. the explosion-proof sample thermostat of multilayer pin-connected panel according to claim 1 is characterized in that: described right heat tape (2), sample constant warm tube (4) and left heat tape (6) are curved shape.
4. according to claim 1, the explosion-proof sample thermostat of 2 or 3 described multilayer pin-connected panels, it is characterized in that: a temperature sensor respectively is installed in sample constant warm tube (4) outlet and inlet.
5. according to claim 1, the explosion-proof sample thermostat of 2 or 3 described multilayer pin-connected panels, it is characterized in that: described sample constant warm tube (4) is a stainless-steel tube, and wall thickness is 1mm, and internal diameter is 6mm.
6. according to claim 1, the explosion-proof sample thermostat of 2 or 3 described multilayer pin-connected panels, it is characterized in that: the outlet at sample constant warm tube (4) is connected with pressure limiting valve or counterbalance valve.
7. according to claim 1, the explosion-proof sample thermostat of 2 or 3 described multilayer pin-connected panels, it is characterized in that: the direction of described sample constant warm tube (4) endpiece upwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105290799A CN102042928B (en) | 2010-10-28 | 2010-10-28 | Multilayer assembled anti-explosion sample thermostat |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105290799A CN102042928B (en) | 2010-10-28 | 2010-10-28 | Multilayer assembled anti-explosion sample thermostat |
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| CN102042928A CN102042928A (en) | 2011-05-04 |
| CN102042928B true CN102042928B (en) | 2012-03-07 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102589964B (en) * | 2012-02-15 | 2013-08-28 | 中国科学院上海应用物理研究所 | Heating device |
| CN103506172A (en) * | 2013-11-18 | 2014-01-15 | 哈尔滨东方报警设备开发有限公司 | Thermotank used for explosion-proof analyzer |
| CN104406621A (en) * | 2014-12-11 | 2015-03-11 | 哈尔滨东方报警设备开发有限公司 | Anti-explosion wireless analyzer |
| CN115107137A (en) * | 2021-03-23 | 2022-09-27 | 徐州伊宝诺家居科技有限公司 | Preheating constant temperature device for edge sealing strip |
| CN113993229A (en) * | 2021-11-04 | 2022-01-28 | 南昌三瑞智能科技有限公司 | Electronic speed regulator integrating capacitor temperature control, temperature control method and unmanned aerial vehicle |
| CN116518439B (en) * | 2023-06-30 | 2023-09-08 | 深圳市虎一科技有限公司 | Multistage filtration purification system of indoor circulation kitchen oil smoke of no emission |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1378072A (en) * | 2001-03-30 | 2002-11-06 | 袁建波 | Anti-corrosive heat sampling composite tube |
| DE102007035362A1 (en) * | 2007-03-06 | 2008-09-25 | GMBU Gesellschaft zur Förderung von Medizin-, Bio- und Umwelttechnologien e.V. | Volatile material e.g. water, content determining method for thermally fragile material, involves directly heating samples by microwaves without delay, and guiding released analytes into measuring cell using carrier gas stream |
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2010
- 2010-10-28 CN CN2010105290799A patent/CN102042928B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1378072A (en) * | 2001-03-30 | 2002-11-06 | 袁建波 | Anti-corrosive heat sampling composite tube |
| DE102007035362A1 (en) * | 2007-03-06 | 2008-09-25 | GMBU Gesellschaft zur Förderung von Medizin-, Bio- und Umwelttechnologien e.V. | Volatile material e.g. water, content determining method for thermally fragile material, involves directly heating samples by microwaves without delay, and guiding released analytes into measuring cell using carrier gas stream |
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| CN102042928A (en) | 2011-05-04 |
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