CN105042555A - Circulation type steam generator and implementation method thereof - Google Patents
Circulation type steam generator and implementation method thereof Download PDFInfo
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- CN105042555A CN105042555A CN201510554234.5A CN201510554234A CN105042555A CN 105042555 A CN105042555 A CN 105042555A CN 201510554234 A CN201510554234 A CN 201510554234A CN 105042555 A CN105042555 A CN 105042555A
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Abstract
The invention discloses a circulation type steam generator. The steam generator comprises a vaporizer, a water inlet pipe of which one end penetrates into the vaporizer through the top of the vaporizer, a steam exhausting pipe of which one end penetrates into the vaporizer through the bottom of the vaporizer, and an electrothermal temperature control device which sleeves the outer side wall of the vaporizer, wherein each flow distribution plate comprises a plate body, and steam-liquid flow holes symmetrically formed in two sides of the inner part of each plate body, at least two flow distribution plates which are stacked in a layered manner from top to bottom are arranged in the vaporizer, and the steam-liquid flow holes in the two adjacent flow distribution plates are crisscross distributed to form 90 degrees; in addition, a space between the flow distribution plates and the top of the vaporizer, a space between every two adjacent flow distribution plates, and a space between the flow distribution plates and the bottom of the vaporizer are all completely filled with stainless steel theta-ring fillings. Compared with a traditional steam generator, the steam generator disclosed by the invention can realize the on-line real-time vaporization of liquid water, and the residues of the liquid water do not exist in pipelines; in addition, the production rate of steam can be conveniently controlled by controlling the injection rate of the liquid water; besides, water steam with required temperature can be obtained under constant pressure.
Description
Technical field
The present invention relates to a kind of steam generator, what be specifically related to is a kind of flow type steam generator and its implementation.
Background technology
Steam generator is a kind of firing equipment applied widely, can be used as the steam supply facility that multiple industries such as hospital, bathroom, dining room, hotel, hotel, weaving, metallurgy, food are supporting.The inside of existing steam generator is all provided with heating chamber and heater usually, and heating chamber is connected with water inlet and steam (vapor) outlet, and cold water is heated to be steam by heater after entering inner chamber, and steam can spray from steam (vapor) outlet.Heater is generally positioned at the bottom of heating chamber, and have electrical heating and gas heating two kinds of modes, electrical heating is immersed in aqueous water by electrothermal tube, is all heated to boiling to the water in inner chamber, and then produces water vapour; Gas heating is then adopt the fuel gas such as natural gas, at heating chamber base burning, to water heating, thus produces steam.
Current steam generator, in order to ensure security of operation, all needs in heating chamber to keep a certain amount of aqueous water, to avoid dry combustion method.But, so, need the aqueous water to Installed System Memory stays repeatedly to heat on the one hand, cause energy waste; Accurate quantitative analysis cannot be carried out on the other hand to the output quantity of steam.In addition, the steam that current steam generator exports is generally 100 DEG C, in order to obtain the water vapour of higher temperature, just must increase system pressure, but this is in the risk objectively too increasing high steam leakage.
Summary of the invention
Waste energy in order to what overcome that existing steam generator exists, easily occur the deficiency that high steam leaks, the invention provides a kind of flow type steam generator, compact conformation, simple to operate, operating flexibility is large, water vapour can be produced by real-time online, required flow and temperature required water vapour can be obtained at ambient pressure.
To achieve these goals, the technical solution used in the present invention is as follows:
A kind of flow type steam generator, comprise vaporizer, one end penetrates to the water inlet pipe in it through vaporizer top, and one end penetrates to the vapour-discharge tube in it bottom vaporizer, and to be enclosed within vaporizer lateral wall, for heating vaporizer and the electric heating temperature control device of temperature control; Described flow distribution plate comprises plate body, and symmetry is opened in the vapour-liquid flow orifice of the inner both sides of this plate body; Described vaporizer inside is provided with the flow distribution plate that at least two layerings from top to bottom stack, and the vapour-liquid flow orifice on adjacent two flow distribution plates is 90 ° and is interspersed, and shunts to make aqueous water; Further, stainless steel θ ring filler has been filled up in the space between bottom flow distribution plate and vaporizer top, adjacent two flow distribution plates, flow distribution plate and vaporizers all completely.
Further, the present invention also comprises the support bar be arranged on bottom vaporizer.
Again further, described water inlet pipe is right-angle elbow pipe, and this water inlet pipe other end shape is pagoda mouth shape.
Equally, described vapour-discharge tube is right-angle elbow pipe, and this vapour-discharge tube other end shape is also pagoda mouth shape.
Specifically, described electric heating temperature control device comprises and adopts stacked system to be sleeved on annular electro hot plate on vaporizer lateral wall, and is connected the PID temperature controller be placed on vapour-discharge tube and its temperature-control heat couple is popped one's head in by solid-state relay with this annular electro hot plate.
Further, the heat-insulation layer being wrapped in annular electro hot plate outside completely is also comprised.
As preferably, described heat-insulation layer is the aluminosilicate fiber cotton layer of 2cm thickness.
Based on above-mentioned basis, the present invention also provides the implementation method of this steam generator, comprises the following steps:
(1) electric heating temperature control device is utilized vaporizer to be heated to the temperature of electric heating temperature control device setting;
(2) in water inlet pipe, inject aqueous water, aqueous water instills in vaporizer under gravity;
(3) aqueous water continues under gravity, successively through vaporizer inner tip, all flow distribution plates, vaporizer inner bottom, realize all vaporizations, meanwhile, the water vapour that aqueous water produces in vaporescence then continues to flow to vapour-discharge tube direction under the driving of inside and outside differential pressure;
(4) water vapour that aqueous water is formed after all vaporizing enters into steam exhaust pipe, then outwards stable output.
Compared with prior art, the present invention has following beneficial effect:
(1) the present invention replaces closed assembly multilayer flow distribution plate and stainless steel θ ring filler in vaporizer inside, and make the vapour-liquid flow orifice on adjacent two layers flow distribution plate be 90 ° to be interspersed, thus under the heating of outside electric heating temperature control device, vaporizer internal temperature not only can be made to reach the temperature of setting, on-line heating is carried out to the aqueous water injected, and the liquid film utilizing stainless steel θ ring filler surface to be formed, and the shunting of flow distribution plate, can make aqueous water under gravity by vaporizer top to flows, and constantly absorb heat in the process of flowing, whole formation water vapour, final water vapour reaches heat balance, and via the output that vapour-discharge tube is stable under the driving of inside and outside differential pressure.The present invention compares traditional steam generator, remain because inside does not exist any aqueous water, aqueous water all converts water vapour to and exports, therefore, it heats repeatedly without the need to liquid towards water, and thus, the present invention not only avoids the waste of the energy well, and it can also control the generation speed of steam by the charge velocity of aqueous water, thus realize the accurate control of steam flow.
(2) pagoda mouth structure is all arranged in one end of water inlet pipe and vapour-discharge tube by the present invention, and the two is right-angle elbow pipe, the benefit of design like this is: a) pagoda mouth structure is convenient to the connection of water inlet pipe and liquid injection pump discharge pipeline, is also convenient to vapour-discharge tube simultaneously and is connected with extraneous jet chimney; B) structural design of right-angle elbow pipe makes water inlet pipe arrival end and the vapour-discharge tube port of export all be the level of state, and is convenient to be connected with external pipe; And aqueous water can be made at the uniform velocity to flow along water inlet pipe tube wall under gravity, and be slowly added dropwise in vaporizer, the stable input of aqueous water can be ensured, ensure vaporization completely and the stable output of water vapour of aqueous water simultaneously.
(3) the present invention adopts PID temperature controller, solid-state relay and electric hot plate as electric heating temperature control device, vaporizer is heated and temperature control, not only thermal-stable, heating effect are good, and accuracy of temperature control is high, the temperature of steam can be controlled easily by heating power adjustment, thus under the condition of normal pressure, temperature required high-temperature water vapor can be obtained, avoid occurring that Conventional steam generators causes the risk of leakage owing to adopting pressuring method to produce high-temperature water vapor.
(4) the present invention is also provided with the heat-insulation layer that can play heat-blocking action, to convert in the process of water vapour at aqueous water for preventing vaporizer further and occur thermal loss, affect the conversion effect of liquid-vapour, and this heat-insulation layer preferably have employed aluminosilicate fiber cotton, thus can not only be heat insulation, but also there is excellent chemical stability, heat endurance, be applicable to very much being applied to real-time online and produce water vapour aspect.
(5) the present invention designs ingenious, compact conformation, simple operation, operating flexibility are large, solve the technical problem existing for prior art well, therefore, its technological progress is fairly obvious, there is outstanding substantive distinguishing features and significant progress, be highly suitable in each large relevant industries and apply.
Accompanying drawing explanation
Fig. 1 is the structural representation of steam generator of the present invention.
Fig. 2 is the front view of flow distribution plate in the present invention.
Fig. 3 is the top view of flow distribution plate in the present invention.
Wherein, the parts name that Reference numeral is corresponding is called:
1-water inlet pipe, 2-vaporizer, 3-annular electro hot plate, 4-heat-insulation layer, 5-flow distribution plate, 6-plate body, 7-vapour-liquid flow orifice, 8-tapered blind hole, 9-backstay, 10-stainless steel θ filler, 11-vapour-discharge tube, 12-support bar.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described, and embodiments of the present invention include but not limited to the following example.
Embodiment
As shown in Figure 1, the invention provides a kind of firing equipment producing water vapour for real-time online, it comprises water inlet pipe 1, vaporizer 2, electric heating temperature control device 3 and vapour-discharge tube 11.Described water inlet pipe 1 one end penetrates to it inner through vaporizer 2 top, vapour-discharge tube 11 one end then penetrates to it inner bottom vaporizer 2, in the present embodiment, vaporizer is stainless steel cylindrical tube, water inlet pipe 1 penetrates one end of vaporizer 2 and vaporizer top end cover is welded as a whole, and this end port exceeds about 5mm than end cap plane; One end that vapour-discharge tube 11 penetrates vaporizer 2 is welded as a whole with vaporizer bottom head covers too, and this end port is concordant with the upper surface of bottom head covers.Water inlet pipe 1 is for injecting aqueous water, vaporizer 2 for realizing the conversion of aqueous water and water vapour, vapour-discharge tube 11 for exporting water vapour, in the present embodiment, water inlet pipe 1 and vapour-discharge tube 11 all adopt the stainless steel tube of external diameter Φ 10, wall thickness 1.5mm, and are processed as right-angle elbow pipe.The arrival end steel pipe of water inlet pipe 1 adopts removal MATERIALS METHODS to be processed as pagoda mouth shape, is conveniently connected with liquid injection delivery side of pump flexible pipe, to inject aqueous water; The port of export steel pipe of vapour-discharge tube 11 also adopts removal MATERIALS METHODS to be processed as pagoda mouth shape, is conveniently connected with steam output pipe, exports water vapour so that stable.
Multiple flow distribution plate 5 is provided with in described vaporizer 2, these flow distribution plates evenly overlay in vaporizer 2 from top to bottom in a layered fashion, and bottom flow distribution plate and vaporizer top, adjacent two flow distribution plates, flow distribution plate and vaporizers between space be filled with stainless steel θ ring filler 10 all completely.In the present embodiment, described flow distribution plate 5 comprises plate body 6, vapour-liquid flow orifice 7, tapered blind hole 8, locating hole and backstay 9, as shown in Figure 2,3.Vapour-liquid flow orifice 7 is provided with two, and symmetry is opened in the inner both sides of plate body 6, and tapered blind hole 8 and locating hole are equipped with four, and is evenly opened in the side, front, rear, left and right of the inner upper and lower surface of plate body 6, and backstay 9 is connected by threaded engagement with locating hole.
Flow distribution plate 5 and stainless steel θ ring filler 10 are vitals that vaporizer 2 realizes aqueous water vaporization and shunting, the main installation process of the two is: according to the packing volume of the diameter of flow distribution plate 5 plate body and the height determination individual layer stainless steel θ ring filler 10 of backstay, then the stainless steel θ ring filler measuring this volume size is poured in vaporizer 2, and loads the flow distribution plate of the bottom; Then, second layer stainless steel θ ring filler and flow distribution plate, third layer stainless steel θ ring filler and flow distribution plate is loaded successively Successively load according to this pattern, require that the tapered blind hole of lower one deck flow distribution plate upper surface put into by the backstay of last layer flow distribution plate.It should be noted that vapour-liquid flow orifice in adjacent two layers flow distribution plate needs to distribute in 90 ° of staggered modes, to guarantee the shunting realizing aqueous water.After having loaded, guarantee that the superiors' flow distribution plate upper surface is 2cm ~ 4cm apart from vaporizer barrel port distance, then remaining space is all filled stainless steel θ ring filler.
Described electric heating temperature control device 3 for heated vaporizer 2, and controls its temperature.This electric heating temperature control device 3 comprises and adopts stacked system to be sleeved on annular electro hot plate on vaporizer 2 lateral wall, and by PID temperature controller that solid-state relay is connected with this annular electro hot plate; The temperature-control heat couple probe of PID temperature controller is placed on vapour-discharge tube, and the structure of PID temperature controller+solid-state relay can control the temperature that vaporizer exports water vapour.In the present embodiment, annular electro hot plate adopts cast iron electric heating plate, and rated temperature can reach 800 DEG C, and adopts two symmetrical semicircle circuluses, and two parts adopt loose-leaf mode to connect, and are convenient to dismounting.
In addition, for preventing vaporizer 2 heat from occurring loss, described annular electro hot plate outside is also enclosed with heat-insulation layer 4 completely, can play heat insulation effect, and in the present embodiment, this heat-insulation layer preferably adopts thickness to be the aluminosilicate fiber cotton layer of 2cm.
In addition, the present invention is also provided with four support bars 12, and support bar 12 is welded on vaporizer 2 bottom head covers circumference place, for supporting whole steam generator, steam generator in the vertical direction is laid reposefully, thus ensures aqueous water uniform divided flows effect under gravity further.
According to said structure, below the realization flow that the present invention produces steam is introduced.
First, open electric heating temperature control device, make vaporizer 2 reach design temperature (the present embodiment sets 100 DEG C ~ 500 DEG C).Then, syringe pump is adopted to inject aqueous water in water inlet pipe 1, aqueous water instills in vaporizer 2 under gravity, aqueous water infiltrates on stainless steel θ ring filler surface and forms liquid film continuous to adjacent area diverging flow, thus aqueous water is uniformly distributed on vaporizer cross section, the aqueous water heat absorption of θ ring surface simultaneously also components vaporize is water vapour, the aqueous water of not vaporizing flows downward along the space between filler, when aqueous water touches the flow distribution plate of ground floor, flow downward via vapour-liquid flow orifice; Then aqueous water continues to enter second layer stainless steel θ ring filler under gravity, the also components vaporize of heat absorption simultaneously, and the vapour-liquid flow orifice then through second layer flow distribution plate continues to flow downward; The process lasts that aqueous water flows downward and vaporizes carries out, until bottom vaporizer, now, aqueous water is all vaporizated into water vapour.
In said process, the water vapour that aqueous water vaporization produces will flow to steam exhaust pipe direction under the driving of inside and outside differential pressure, will constantly absorb heat in flow process, until reach heat balance, water vapour continues to export via vapour-discharge tube 11.After reaching steady-state operation, the temperature that steam temperature and electric heating temperature control device set is basically identical.
Above-described embodiment is only the preferred embodiments of the present invention; be not construed as limiting the scope of the present invention; in every case design principle of the present invention being adopted, and the change carried out non-creativeness work on this basis and make, all should belong within protection scope of the present invention.
Claims (8)
1. a flow type steam generator, it is characterized in that, comprise vaporizer (2), one end penetrates through vaporizer (2) top to the water inlet pipe (1) in it, one end penetrates to the vapour-discharge tube (11) in it through vaporizer (2) bottom, and to be enclosed within vaporizer (2) lateral wall, for heating vaporizer and the electric heating temperature control device (3) of temperature control; Described flow distribution plate (5) comprises plate body (6), and symmetry is opened in the vapour-liquid flow orifice (7) of this plate body (6) inner both sides; Described vaporizer (2) inside is provided with the flow distribution plate (5) that at least two layerings from top to bottom stack, and the vapour-liquid flow orifice on adjacent two flow distribution plates is 90 ° and is interspersed, and shunts to make aqueous water; Further, stainless steel θ ring filler (10) has been filled up in the space between bottom flow distribution plate and vaporizer top, adjacent two flow distribution plates, flow distribution plate and vaporizers all completely.
2. a kind of flow type steam generator according to claim 1, is characterized in that, also comprises the support bar (12) being arranged on vaporizer (2) bottom.
3. a kind of flow type steam generator according to claim 2, is characterized in that, described water inlet pipe (1) is right-angle elbow pipe, and this water inlet pipe (1) other end shape is pagoda mouth shape.
4. a kind of flow type steam generator according to claim 3, is characterized in that, described vapour-discharge tube (11) is right-angle elbow pipe, and this vapour-discharge tube (11) other end shape is also pagoda mouth shape.
5. a kind of flow type steam generator according to any one of Claims 1 to 4, it is characterized in that, described electric heating temperature control device (3) comprises and adopts stacked system to be sleeved on annular electro hot plate on vaporizer (2) lateral wall, and is connected the PID temperature controller be placed on vapour-discharge tube and its temperature-control heat couple is popped one's head in by solid-state relay with this annular electro hot plate.
6. a kind of flow type steam generator according to claim 5, is characterized in that, also comprises the heat-insulation layer (4) being wrapped in annular electro hot plate outside completely.
7. a kind of flow type steam generator according to claim 6, is characterized in that, the aluminosilicate fiber cotton layer that described heat-insulation layer (4) is 2cm thickness.
8. an implementation method for flow type steam generator, is characterized in that, comprises the following steps:
(1) electric heating temperature control device is utilized vaporizer to be heated to the temperature of electric heating temperature control device setting;
(2) in water inlet pipe, inject aqueous water, aqueous water instills in vaporizer under gravity;
(3) aqueous water continues under gravity, successively through vaporizer inner tip, all flow distribution plates, vaporizer inner bottom, realize all vaporizations, meanwhile, the water vapour that aqueous water produces in vaporescence then continues to flow to vapour-discharge tube direction under the driving of inside and outside differential pressure;
(4) water vapour that aqueous water is formed after all vaporizing enters into steam exhaust pipe, then outwards stable output.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106765802A (en) * | 2016-12-30 | 2017-05-31 | 中国科学院上海硅酸盐研究所 | A kind of device for flowing vapour concentration control in atmosphere |
| CN109479981A (en) * | 2018-12-21 | 2019-03-19 | 广西武宣农家富食品有限公司 | A kind of boiling soya-bean milk production bean curd stick device |
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| CN204901714U (en) * | 2015-09-02 | 2015-12-23 | 中国工程物理研究院材料研究所 | Circulation formula steam generator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109479981A (en) * | 2018-12-21 | 2019-03-19 | 广西武宣农家富食品有限公司 | A kind of boiling soya-bean milk production bean curd stick device |
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| CN105042555B (en) | 2017-03-29 |
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