CN102861446A - Internal-circulation heating device - Google Patents
Internal-circulation heating device Download PDFInfo
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- CN102861446A CN102861446A CN2012103645254A CN201210364525A CN102861446A CN 102861446 A CN102861446 A CN 102861446A CN 2012103645254 A CN2012103645254 A CN 2012103645254A CN 201210364525 A CN201210364525 A CN 201210364525A CN 102861446 A CN102861446 A CN 102861446A
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Abstract
The invention relates to an internal-circulation heating device which is characterized by comprising a shell. An opening is arranged at one end of the shell, the shell is hermetically connected with a tank, a sealed heating chamber and a sealed medium circulating chamber are arranged in the shell, a plurality of heating tubes arranged annularly and at least one circulating tube are arranged in the heating chamber, two ends of each heating tube and two ends of each circulating tube are respectively communicated with the opening of the shell and the circulating chamber, the section of the inner diameter of each heating tube accounts for 10%-16% of the section of the inner diameter of each circulating tube, and a heating medium inlet and a heating medium outlet which are communicated with the heating chamber are arranged on side walls of the shell. The internal-circulation heating device has the advantages that heat conduction efficiency of the heating tubes is improved by controlling the ratio of the section of the inner diameter of each heating tube to the section of the inner diameter of each circulating tube, so that evaporation speed of materials in the heating tubes is increased; after the materials in the heating tubes are evaporated, materials in the tank are fed into the circulating chamber via the circulating tubes and are compensated into the heating tubes, so that circular heating is realized; and disturbance can be formed by the materials during heating, and the technical problem that materials are not thoroughly cooked or extracted due to uneven heating is effectively solved.
Description
Technical field
The present invention relates to a kind of heater, relate in particular a kind of interior circulating heater that can be used for extractor or inspissator, be applicable to extraction or the concentrator of the industries such as medicine, chemical industry, food, cosmetics.
Background technology
At present, medicine, chemical industry, food, the extractor that the industries such as cosmetics are used, the mode of heating of inspissator or heater mainly contains the jacket type heating, the shell and tube heating, the jacket type heating refers to add the chuck layer outside the tank body of extractor or inspissator, thermal medium is transported in the chuck tank body is heated, conduct heat in the tank body by tank body material is heated, adopt this mode of heating, owing to be subjected to the impact of the long-pending size of tank surface, heat conduction benefit is longer heat time heating time lower and material in tank, heat inhomogeneous, easily cause tank body middle and lower part material to have boiling thoroughly or put forward clean phenomenon and for guaranteeing the strength and stiffness requirement of tank body, the tank body wall thickness is thicker, and cost is relatively high; And the shell and tube mode of heating is thermal medium to be transported to utilize be independent of in the container of tank body, coil pipe is set in container, material carries out heat exchange through the thermal medium in coil pipe and the container to be realized the material evaporation enrichment and receives the cream operation, because the coil pipe of tube still heater is fixed in the container, be subjected to cleaning that structure is limit difficulty and coil pipe two ends weld corrosion-vulnerable crack, extremely difficult maintenance can cause complete machine to be scrapped after leaking.
Summary of the invention
Existing jacket type mode of heating heat conduction benefit is low, heating is inhomogeneous and the shell and tube mode of heating is unfavorable for the technical problems such as clean and maintenance in order to solve; The invention provides a kind of interior circulating heater, the heat conduction benefit that this heater not only can solve the jacket type mode of heating is low, heats inhomogeneous technical problem, simultaneously, also is convenient to clean and safeguard.
For solving above technical problem, the technical scheme that the present invention takes is a kind of interior circulating heater, it is characterized in that including housing, and this housing one end is opening and is tightly connected with tank body; In housing, establish Packed heating clamber and medium circulation chamber, in heating clamber, be provided with some heating tubes and at least one circulation pipe of circular array, heating tube is connected with opening and the circular chamber of housing respectively with the two ends of circulation pipe, and the internal diameter cross section of heating tube accounts for 10%～60% of circulation pipe internal diameter cross section; Sidewall at housing is provided with the heat medium import and export that is communicated with heating clamber.
Further, described heating tube and circulation pipe two ends are separately fixed on upper perforated plate and the lower perforated plate and the two ends port of heating tube and circulation pipe places respectively outside the upper and lower tube sheet, and upper and lower tube sheet is fixed on to make in the housing and forms described heating clamber between the upper and lower tube sheet.
Further, described housing bottom is provided with dismountable bottom, and bottom is connected by flange seal with housing makes the described circular chamber of formation between bottom and the lower perforated plate, is provided with the leakage fluid dram that connects circular chamber at bottom.
Further, described heating tube is that straight tube or screwed pipe and its internal diameter are 30% of circulation pipe internal diameter, and heating tube circular array and interval are covered with heating clamber.
Further, described tank body can be extractor or inspissator tank body.
The invention has the beneficial effects as follows the heating clamber of in housing, establishing sealing, some heating tubes and at least one circulation pipe are set in heating clamber, and the internal diameter section ratio of control heating tube and circulation pipe, the heat conduction benefit that improves heating tube is evaporated the material in the heating tube faster, behind the material evaporation in the heating tube, the impact of liquid body liquid level pressure reduction, material in the tank body can be in circulation pipe enters circular chamber, material in the circular chamber is compensated into the interior circulating-heating of realizing of heating tube, and also can make material form disturbance in the heating process, make not have the heating dead angle in the tank body, it is inhomogeneous effectively to solve heating material, causes material to boil thoroughly or put forward unclean technical problem.
Description of drawings
Fig. 1 is the plan structure figure of a kind of interior circulating heater of the embodiment of the invention
Fig. 2 is A--A place sectional structure chart
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present invention is described further:
As shown in Figure 1 and Figure 2, the present invention is a kind of interior circulating heater, include housing 1, these housing 1 one ends are opening and are tightly connected with tank body, in housing 1, establish Packed heating clamber 11 and medium circulation chamber 12, be provided with some heating tubes 2 and at least one circulation pipe 3 of circular array in heating clamber 11, heating tube 2 is connected with opening and the circular chamber 12 of housing 1 respectively with the two ends of circulation pipe 3, and the internal diameter cross section of heating tube 2 accounts for 30%～60% of circulation pipe 3 internal diameter cross sections; Being provided with the heat medium that is communicated with heating clamber 11 at the sidewall of housing 1 advances, outlet 4,5, in use, housing 1 can adopt welding or flange connection to be fixed on the bottom of tank body, then material is poured in the tank body, material can enter circular chamber 12 by heating tube 2 and circulation pipe 3, simultaneously, opening the thermal source valve makes thermal medium (such as saturated vapor, conduction oil or hot water etc.) to enter heating clamber 11 through medium import 4 interior to heating tube 2 and circulation pipe 3 heating, cooling medium or condensing gas are discharged through media outlet 5, and material and the thermal medium in the heating clamber 11 in heating tube 2 and the circulation pipe 3 carry out heat exchange and evaporation; Because the internal diameter of heating tube 2 is less than the internal diameter of circulation pipe 3, only account for 10%～60% of circulation pipe 3 internal diameter cross sections, therefore, better results in the heat conduction of heating tube 2, the evaporation time that is in heating tube 2 interior materials is faster than the evaporation time of circulation pipe 3 interior materials, behind the material evaporation in the heating tube 2, the impact of liquid body liquid level pressure reduction, material in the tank body can be in circulation pipe 3 enters circular chamber 12, material in the circular chamber 12 is compensated into heating tube 2 interior realization circulating-heatings, and also can make material form disturbance in the heating process, thereby liquid-solid boundary accelerate to upgrade raising extraction benefit, adopts this structure, heating material is more even, make not have the heating dead angle in the tank body, and heat conduction better results, avoid occuring material and boil thoroughly or put forward unclean phenomenon.
In the present embodiment, for ease of installing and fixing of heating tube 2 and circulation pipe 3, described heating tube 2 and circulation pipe 3 two ends are separately fixed on upper perforated plate 6 and the lower perforated plate 7 and the two ends port of heating tube 2 and circulation pipe 3 places respectively outside the upper and lower tube sheet 6,7, upper and lower tube sheet 6,7 is fixed on to make in the housing 1 between the upper and lower tube sheet 6,7 and forms described heating clamber 11, and upper and lower tube sheet 6,7 is welded and fixed with housing 1 and heating clamber 11 is formed seal; Certainly, also upper and lower tube sheet 6,7 can be adopted and be bolted on housing 1 sidewall, utilize packing ring or O shape circle to realize the sealing of heating clamber 11, and adopt dismountable structure also to be beneficial to the maintenance of heating tube 2 and circulation pipe 3, but owing to utilize packing ring or O shape circle to seal easy the leakage, therefore, adopting welding manner is the optimal way of present embodiment.
In the present embodiment, for ease of after evaporation or concentration extraction are finished, discharging the defective material in the circular chamber 12 and make things convenient for heating tube 2 and circulation pipe 3 are carried out cleaning, described housing 1 bottom is provided with dismountable bottom 8, bottom 8 is connected by flange seal with housing 1 makes the described circular chamber 12 of formation between bottom 8 and the lower perforated plate 7, is provided with the leakage fluid dram 9 that connects circular chamber 12 at bottom 8; By adding bottom 8 in housing 1 bottom, when needs carry out cleaning to heating tube 2 and circulation pipe 3, can open bottom 8 and just can clean maintenance to heating tube 2 and circulation pipe 3 like this; And be provided with leakage fluid dram 9 at bottom 8, after vaporize draw is finished, can open like this leakage fluid dram 9 and get rid of defective material in the tank; For guaranteeing the sealing of circular chamber 12, bottom 8 is provided with sealing ring with the flange connections of housing 1; Certainly, also bottom 8 one ends and housing 1 can be hinged, the other end adopts bolted, can reach identical purpose equally, but because tank body when installing, its bottom is nearer apart from ground, as adopt articulated manner to fix, be unfavorable for opening of bottom 8, therefore, adopting flange connection is the preferred embodiment of present embodiment.
In the present embodiment, described heating tube 2 is 30% of circulation pipe internal diameter for straight tube or screwed pipe and its internal diameter, heating tube 2 circular array and interval are covered with heating clamber 11, heating tube 2 is spaced is covered with heating clamber 11, can guarantee so not exist in the tank body heating dead angle, guarantee the heating uniformity of material, can effectively shorten and extract or concentration time, avoid material to boil thoroughly or carry unclean; And the internal diameter of heating tube 2 is made as circulation pipe 3 internal diameter 30%, can farthest shorten like this evaporation or receipts cream activity duration, and heating tube 2 adopts straight tube structure, can be convenient to greatly the production and assembly of heater, as adopt the screwed pipe structure, and just can farthest strengthen the heat-conducting area of heating tube 2, improve heat utilization rate, but present embodiment is for ease of production and processing, and it is preferred embodiment that heating tube 2 adopts straight tube structure.
In the present embodiment, described tank body can be the tank body of extractor or inspissator, the heating material demand of the applicable extractor of this heater or concentration tank.
Above-described embodiment should not be considered as limitation of the present invention, but any improvement of doing based on spirit of the present invention, all should be within protection scope of the present invention.
Claims (5)
1. circulating heater in a kind is characterized in that including housing, and this housing one end is opening and is tightly connected with tank body; In housing, establish Packed heating clamber and medium circulation chamber, in heating clamber, be provided with some heating tubes and at least one circulation pipe of circular array, heating tube is connected with opening and the circular chamber of housing respectively with the two ends of circulation pipe, and the internal diameter cross section of heating tube accounts for 10%～60% of circulation pipe internal diameter cross section; Sidewall at housing is provided with the heat medium import and export that is communicated with heating clamber.
2. a kind of interior circulating heater according to claim 1, it is characterized in that described heating tube and circulation pipe two ends are separately fixed on upper perforated plate and the lower perforated plate and the two ends port of heating tube and circulation pipe places respectively outside the upper and lower tube sheet, upper and lower tube sheet is fixed on to make in the housing and forms described heating clamber between the upper and lower tube sheet.
3. a kind of interior circulating heater according to claim 1 and 2, it is characterized in that described housing bottom is provided with dismountable bottom, bottom is connected by flange seal with housing makes the described circular chamber of formation between bottom and the lower perforated plate, is provided with the leakage fluid dram that connects circular chamber at bottom.
4. a kind of interior circulating heater according to claim 3 is characterized in that described heating tube is that straight tube or screwed pipe and its internal diameter are 30% of circulation pipe internal diameter, and heating tube circular array and interval are covered with heating clamber.
5. a kind of interior circulating heater according to claim 4 is characterized in that described tank body can be the tank body of extractor or inspissator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103645254A CN102861446A (en) | 2012-09-18 | 2012-09-18 | Internal-circulation heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103645254A CN102861446A (en) | 2012-09-18 | 2012-09-18 | Internal-circulation heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102861446A true CN102861446A (en) | 2013-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103645254A Pending CN102861446A (en) | 2012-09-18 | 2012-09-18 | Internal-circulation heating device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114682196A (en) * | 2020-12-31 | 2022-07-01 | 中国石油化工集团公司 | Esterification reaction kettle and application thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6054702A (en) * | 1983-09-05 | 1985-03-29 | Toyo Eng Corp | Evaporator |
| CN1381294A (en) * | 2001-01-30 | 2002-11-27 | 俄罗斯国家铝镁研究所 | Method for evaporating solution and salt crystallizing at the same time |
| CN201379985Y (en) * | 2009-03-27 | 2010-01-13 | 山东福田药业有限公司 | Sugar alcohol hang drum circulatory evaporative crystallization device |
| CN202006030U (en) * | 2010-12-13 | 2011-10-12 | 郭德豪 | Vacuum spray decompression evaporator |
| CN202762114U (en) * | 2012-09-18 | 2013-03-06 | 浙江温兄机械阀业有限公司 | Inner circulation heating device |
-
2012
- 2012-09-18 CN CN2012103645254A patent/CN102861446A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6054702A (en) * | 1983-09-05 | 1985-03-29 | Toyo Eng Corp | Evaporator |
| CN1381294A (en) * | 2001-01-30 | 2002-11-27 | 俄罗斯国家铝镁研究所 | Method for evaporating solution and salt crystallizing at the same time |
| CN201379985Y (en) * | 2009-03-27 | 2010-01-13 | 山东福田药业有限公司 | Sugar alcohol hang drum circulatory evaporative crystallization device |
| CN202006030U (en) * | 2010-12-13 | 2011-10-12 | 郭德豪 | Vacuum spray decompression evaporator |
| CN202762114U (en) * | 2012-09-18 | 2013-03-06 | 浙江温兄机械阀业有限公司 | Inner circulation heating device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114682196A (en) * | 2020-12-31 | 2022-07-01 | 中国石油化工集团公司 | Esterification reaction kettle and application thereof |
| CN114682196B (en) * | 2020-12-31 | 2024-06-07 | 中国石油化工集团公司 | Esterification reaction kettle and application thereof |
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Application publication date: 20130109 |