CN209588743U - A kind of vapour system - Google Patents
A kind of vapour system Download PDFInfo
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- CN209588743U CN209588743U CN201822038081.0U CN201822038081U CN209588743U CN 209588743 U CN209588743 U CN 209588743U CN 201822038081 U CN201822038081 U CN 201822038081U CN 209588743 U CN209588743 U CN 209588743U
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- water tank
- heat exchanger
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- drain valve
- gas
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Abstract
The utility model relates to arrive gas-liquid heat exchange technical field, disclose a kind of vapour system, including heat exchanger, drainage pipeline, water tank and several exhaust pipes, heat exchanger is connected with water tank by drainage pipeline, and drainage pipeline is equipped with drain valve, the fixed gas valve that uncondensable gas is discharged is equipped on several exhaust pipes, water tank connects first exhaust pipeline.Exhaust pipe is set by the utilization of drain valve, and to water tank, ensure that the differential pressure of atmospheric pressure of heat exchanger and water tank will not be gradually reduced with system operation, make the condensed water in heat exchanger that water tank be smoothly discharged.
Description
Technical field
The utility model relates to gas-liquid heat exchange technical field more particularly to a kind of vapour systems.
Background technique
Heat exchange refers to the heat transfer carried out between cold and hot two fluid, is a kind of unit operation for belonging to diabatic process.Heat exchange
Purpose mainly have: 1. heating, cooling, vaporization or the condensation of material, with reach or keep temperature required by production technology or
Phase；2. the comprehensive utilization of heat, with hot fluid to be cooled to cold fluid heat supply to be heated, to improve heat utilization ratio.
In evaporation technology, heat transfer process is essential step, such as the heat transfer process of steam and solution in evaporating and concentrating process,
That is steam exothermic condensation Cheng Shui, solution heat absorption cause solvent evaporation to realize condensing crystallizing.In steam cycle, work
Only steam, and be by the generation of the subsidiary condensed water of steam in the prior art it is inevitable, in entire steam cycle, condensed water
It is a kind of harmful fluid, if condensed water is present in system for a long time without being discharged, easily causes equipment and generate failure
With reduction performance.In addition to this, vapour system can be mingled with uncondensable gas in the discharge to condensed water, the sky such as mixed
Gas ingredient etc..
And the presence of incondensable gas, so that equipment is generated the partial pressure drop of steam near the condensation surface of condensed water
It is low, so that vapo(u)rous temperature reduces, reduce the heat transfer driving force i.e. temperature difference (ts-tw)；Another aspect condensing vapour passes through not
What condensed gas layer reached wall surface dependence is diffusion, to increase resistance.Based on above-mentioned both sides reason, incondensable gas
In the presence of surface coefficient of heat transfer is greatly reduced, reduce heat exchange amount.So to reduce and exclude not cold as far as possible in practical condenser
Solidifying gas.Therefore, it is necessary to a kind of vapour systems that condensed water and incondensable gas in heat exchanger can quickly be discharged, and the system is answered
When guarantee heat exchanger and water storage apparatus will not make condensed water discharge be affected because differential pressure of atmospheric pressure reduces.
Utility model content
A kind of vapour system that in order to overcome the deficiencies of the prior art, the utility model provides, while solving existing skill
The problem of condensed water and incondensable gas quickly cannot be discharged and keep heat exchanger and water storage apparatus differential pressure of atmospheric pressure in art.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of vapour system, including heat exchanger, drainage pipeline, water tank and first exhaust pipeline, heat exchanger and water tank
It is connected by drainage pipeline, and drainage pipeline is equipped with drain valve, uncondensable gas can be discharged by being equipped on first exhaust pipeline
The fixed gas valve of body, water tank are connected to first exhaust pipeline.
As a further improvement of the above technical scheme, heat exchanger is also connected with second exhaust pipeline, first exhaust pipeline
Collaborate with second exhaust pipeline and passes through same outlet discharge.
As a further improvement of the above technical scheme, drainage pipeline is located at the bottom of heat exchanger, first exhaust pipeline position
In the top of water tank, second exhaust pipeline is located at the top of heat exchanger.
As a further improvement of the above technical scheme, drain valve is Inverted bottle type drain valve, and fixed gas valve is regulating valve.
As a further improvement of the above technical scheme, the bottom of heat exchanger has feed inlet, and the top of heat exchanger has
Discharge port.
As a further improvement of the above technical scheme, the interface of drainage pipeline and water tank is close to the top of water tank,
And the interface height of drainage pipeline and water tank is lower than the interface height of drainage pipeline and heat exchanger.
The beneficial effects of the utility model are: providing a kind of vapour system, set by the utilization of drain valve, and to water tank
Exhaust pipe is set, ensure that the differential pressure of atmospheric pressure of heat exchanger and water tank will not be gradually reduced with system operation, make in heat exchanger
Water tank is smoothly discharged in condensed water.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural schematic diagram of the utility model one embodiment.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment and attached drawing to the design of the utility model, specific structure and generation
Clear, complete description, to be completely understood by the purpose of this utility model, scheme and effect.It should be noted that not conflicting
In the case where, the features in the embodiments and the embodiments of the present application can be combined with each other.
It should be noted that unless otherwise specified, when a certain feature referred to as " fixation ", " connection " are in another feature,
It can directly fix, be connected to another feature, and can also fix, be connected to another feature indirectly.In addition, this
The descriptions such as up, down, left, right, before and after used in utility model are only relative to each composition portion of the utility model in attached drawing
For the mutual alignment relation divided.
In addition, unless otherwise defined, the technology of all technical and scientific terms used herein and the art
The normally understood meaning of personnel is identical.Term used in the description is intended merely to description specific embodiment herein, without
It is to limit the utility model.Term " and or " used herein includes appointing for one or more relevant listed items
The combination of meaning.
Referring to Fig.1, the structural schematic diagram of the utility model one embodiment is shown, in the present embodiment, heat exchanger 1 is to object
Material carries out temperature exchange, and steam inlet 11 is located at the side of heat exchanger 1, and the pipeline that material is wrapped up by one by heat exchanger 1 is transported
Defeated, material inlet 12 is located at the bottom of heat exchanger 1, and material outlet 13 is located at the top of heat exchanger 1, i.e. material is from material inlet
12 enter, and carry out heat exchange to material via heat exchanger 11, go out to obtain the material of required temperature in material outlet 13, in this implementation
In example, material is fluid, which is that the heat in steam is quickly transferred in the fluid in transport pipeline, i.e., popular next
Say it is the process quickly heated to material, in the process, condensed water and not condensable gas are to reduce heat exchange
Efficiency causes equipment fault and reduces the major reason of performance.
In order to which condensed water and incoagulable gas is quickly discharged, drain valve 3 is selected quickly to be discharged in the present embodiment
Condensed water 31,3 place pipeline of drain valve are the drainage pipeline of heat exchanger 1, and the effect of drain valve 3 is will be solidifying in vapour system
Bear water, air and carbon dioxide gas are discharged as early as possible, while being automatically prevented from the leakage of steam to the maximum extent.And pass through drain valve
3 on-condensible gas and condensed water is all discharged into water tank 2.
In practice, when drain valve 3 is just started to work, the condensed water 31 of bottom pours in drain valve 3 and is quickly discharged into
Water tank 2, and with the gradually discharge of condensed water, some vapor also enters drain valve 3, and drain valve 3 closes valve, steam at this time
It is condensed in drain valve 3, continues to drain until the intracorporal steam of valve condenses valve when becoming water and can just reopen, on-condensible gas
The top of drain valve 3 it has been deposited in valve closed stage, on-condensible gas and condensed water are all discharged when valve opening.It is logical
The effect for crossing drain valve 3 is expelled directly out steam phase ratio with not set valve, reduces steam as far as possible in valve closed stage
Loss,
In the present embodiment, since 1 internal high temperature steam of heat exchanger causes its internal pressure larger, the left and right two of drain valve 3
Side pressure is different by force, can be discharged into water tank 2 automatically by the condensed water and on-condensible gas of drain valve 3, the condensation into water tank 2
Water can fall in bottom, and can be accumulated on the top of water tank 2 by the on-condensible gas of drain valve 3, illustrate the right side of drain valve 3,
Namely drain valve 3 connects air pressure in the pipe section of water tank 2 and will increase, and as time goes by, the right side of drain valve 3 is managed
Road air pressure is gradually increased, and the pressure difference of 3 two sides of drain valve becomes smaller, when drain valve 3 being caused to open valve, condensed water and incondensable gas
The trend discharged automatically toward water tank 2 along pressure difference is smaller and smaller, and drain valve 3 realizes the function of discharge condensed water and incondensable gas
Can be more and more difficult, therefore, in the present invention, it ensure that the differential pressure of atmospheric pressure of heat exchanger 1 and water tank 3 will not be due to water storage
Air pressure increases and reduces in tank, makes the condensed water in heat exchanger that water tank be smoothly discharged.
Fixed gas valve 41 and fixed gas valve 42 are located at the top of heat exchanger 1 and the top of water tank 2 in figure, in this reality
Apply in example, the effect of fixed gas valve is: the steam of vapour system is condensed in fixed gas valve position, and condensed water flows back to heat exchange
Device bottom, and uncondensable gas just passes through fixed gas valve and is discharged, therefore in fact, enters water storage whether through drain valve 3
The incondensable gas of tank 2, or directly pass through the incondensable gas of fixed gas valve 41, incondensable gas is all by fixed gas valve
Complete the final step of discharge whole system.By the water tank where the exhaust pipe and fixed gas valve 42 where fixed gas valve 41
Exhaust pipe is collaborated, from same 4 discharge of outlet.Fixed gas inside water tank 2 passes through with the inflow of condensed water
Fixed gas valve 42 is discharged, and has passed through drain valve 3 by the gas of fixed gas valve 42 and had screened, condensable gas does not almost have
Have；By fixed gas valve 41, uncondensable gas is normally discharged the steam at the top of heat exchanger 1, and the condensed water for condensing formation can be
The bottom of inflow heat exchanger 1 under gravity, is discharged by drain valve 3.So passing through fixed gas valve 41 and fixed gas valve 42
Molecular weight gas is different.
Therefore, the on-condensible gas in heat exchanger 1 is discharged by the fixed gas valve 41 at top, and another part on-condensible gas passes through
The drain valve 3 of bottom is discharged together with condensed water, and the purpose being arranged in this way is, the drain valve 3 of bottom is so that condensed water is discharged
Main, the condensed water that top fixed gas valve 41 is formed about can directly be flowed down into drain valve 3.
Further, fixed gas valve 41 and fixed gas valve 42 are that by automatic adjustment fixed gas can be effectively controlled in regulating valve
Mass rate of emission, maintain system stablize.
It is worth noting that, condensed water obtained in the present embodiment vapour system water tank 2 is close to distilled water, in order to recycle
It uses, which should be as far as possible with contacting external air, therefore water tank should not be set using the opening that directly contacts with air
Meter.
In the present embodiment, drain valve 3 can select various hydrophobic valve on the market, select Inverted bottle type hydrophobic herein
Valve, Inverted bottle type drain valve are common drain valve, inside there is an inverted bucket to be connected with lever, when bucket is sunk to the bottom, valve is complete
It opens, drives lever to progressively close off valve when bucket floats, its working principles are as follows:
1, drain valve is mounted between steam-heating apparatus and coagulation hydroenergy backwater collector (pipeline for leading to water tank).It opens
When the beginning, inverted bucket is buckled in drain valve interior bottom portion, valve wide open.Condensed water flows to a barrel bottom after entering drain valve, is full of staving
And staving is all submerged, then, condensed water drains into return water collector by standard-sized sheet valve.
2, steam also enters drain valve from staving bottom, occupies the intracorporal top of bucket, generates buoyancy.Staving slowly rises,
Gradually to valve seat direction shift lever, until completely closing valve.Air and carbon dioxide gas by the exhaust hole of staving,
It is gathered in the top of drain valve.The steam being discharged from gas vent, can all condense because of the heat dissipation of drain valve.
3, when the condensed water come in begins to fill with staving, staving decline starts to generate a pulling force to lever.With condensation
Water level constantly increases, and the buoyancy in bucket gradually decreases, and bucket gradually sinks, until bucket sink position reach certain position, drive
Lever is detached from valve, starts to open valve.
4, valve starts to open, and the pressure difference acted on flap will reduce.Staving will fall rapidly upon, and make valve wide open.
The incoagulable gas accumulated at the top of drain valve is first discharged, and then condensed water is discharged.While condensed water discharges, steam is opened again
Begin to enter drain valve, new a cycle starts again.
It is illustrating for progress to be implemented to the preferable of the utility model, but the invention is not limited to the reality above
Example is applied, those skilled in the art can also make various equivalent variations without departing from the spirit of the present invention
Or replacement, these equivalent deformations or replacement are all included in the scope defined by the claims of the present application.
Claims (6)
1. a kind of vapour system, which is characterized in that described to change including heat exchanger, drainage pipeline, water tank and first exhaust pipeline
Hot device is connected with the water tank by the drainage pipeline, and the drainage pipeline is equipped with drain valve, the downtake pipe
The fixed gas valve that uncondensable gas can be discharged is equipped on road, the water tank is connected to the first exhaust pipeline.
2. vapour system according to claim 1, which is characterized in that the heat exchanger is also connected with second exhaust pipeline,
The first exhaust pipeline and the second exhaust pipeline collaborate and pass through same outlet discharge.
3. vapour system according to claim 2, which is characterized in that the drainage pipeline is located at the bottom of the heat exchanger
Portion, the first exhaust pipeline are located at the top of the water tank, and the second exhaust pipeline is located at the top of the heat exchanger.
4. vapour system according to claim 1-3, which is characterized in that the drain valve is that Inverted bottle type is hydrophobic
Valve, the fixed gas valve are regulating valve.
5. vapour system according to claim 1-3, which is characterized in that the bottom of the heat exchanger has charging
Mouthful, the top of the heat exchanger has discharge port.
6. vapour system according to claim 1-3, which is characterized in that the drainage pipeline and the water tank
Interface close to the top of the water tank, and the interface height of the drainage pipeline and the water tank is lower than the drainpipe
The interface height in road and the heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822038081.0U CN209588743U (en) | 2018-12-05 | 2018-12-05 | A kind of vapour system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822038081.0U CN209588743U (en) | 2018-12-05 | 2018-12-05 | A kind of vapour system |
Publications (1)
| Publication Number | Publication Date |
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| CN209588743U true CN209588743U (en) | 2019-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822038081.0U Active CN209588743U (en) | 2018-12-05 | 2018-12-05 | A kind of vapour system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112998305A (en) * | 2021-04-07 | 2021-06-22 | 河北白沙烟草有限责任公司 | Tobacco throwing line steam quality hoisting device |
-
2018
- 2018-12-05 CN CN201822038081.0U patent/CN209588743U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112998305A (en) * | 2021-04-07 | 2021-06-22 | 河北白沙烟草有限责任公司 | Tobacco throwing line steam quality hoisting device |
| CN112998305B (en) * | 2021-04-07 | 2022-10-18 | 河北白沙烟草有限责任公司 | Tobacco throwing line steam quality hoisting device |
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Address after: A1701-1707, building 12, shenzhenwan science and technology ecological park, No.18, South Keji Road, high tech community, Yuehai street, Nanshan District, Shenzhen, Guangdong 518000 Patentee after: Shenzhen Jiejing Technology Co.,Ltd. Address before: 518000 zone B, floor 2, building A3, Shenzhen digital technology park, Gaoxin South 7th Road, high tech Zone South, Nanshan District, Shenzhen, Guangdong Province Patentee before: SHENZHEN CRYSTAL ENERGY TECH Co.,Ltd. |