CN107120992A - A kind of new entrance erosion control heat exchangers for district heating - Google Patents
A kind of new entrance erosion control heat exchangers for district heating Download PDFInfo
- Publication number
- CN107120992A CN107120992A CN201710473129.8A CN201710473129A CN107120992A CN 107120992 A CN107120992 A CN 107120992A CN 201710473129 A CN201710473129 A CN 201710473129A CN 107120992 A CN107120992 A CN 107120992A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- checking motion
- district heating
- erosion control
- steam inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/0008—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one medium being in heat conductive contact with the conduits for the other medium
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F17/00—Removing ice or water from heat-exchange apparatus
- F28F17/005—Means for draining condensates from heat exchangers, e.g. from evaporators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F7/00—Elements not covered by group F28F1/00, F28F3/00 or F28F5/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2250/00—Arrangements for modifying the flow of the heat exchange media, e.g. flow guiding means; Particular flow patterns
- F28F2250/10—Particular pattern of flow of the heat exchange media
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
A kind of new entrance erosion control heat exchangers for district heating, including cylinder, cylinder are provided with steam inlet, and checking motion is provided between the steam inlet and cylinder, and the checking motion is arranged on the outer wall of cylinder.Checking motion is heavy caliber, a small-bore cavity body structure, and heavy caliber one end connector drum outer wall, small-bore one end connects the pipeline of steam inlet.The checking motion of the present invention is arranged on outside heater, the improvement of structure need not be carried out to heater body, i.e. the heater provided with checking motion does not change body construction and heat exchange area, the steam-water pipe arrangement form related to heater is constant, on the pipe arrangement of heat network system without influence, transformation time and improvement cost can not only be saved, will not also cause the reduction of the heat exchanger security performance caused by transformation, and the size of heat exchanger need not be changed.
Description
Technical field
The present invention relates to a kind of heater, more particularly to a kind of entrance erosion control heat exchangers for district heating.
Background technology
Concentrated supply of heating in the city is the trend of development, and the safe and stable operation of heating system determines heating quality.Heater is
The nucleus equipment of heating system, whether safe operation is to influence the key factor of heat stability to heater.
The general steam inlet of traditional heater is directly connected with heater cylinder, and high velocity vapor is directly entered heater sheet
Body is exchanged heat, and the skewness exchange heat pipe of flow velocity is caused to wash away, and the pipe explosion accident of heater is caused when serious, steady to heat supply
It is qualitative to cause to have a strong impact on.And in the existing heater for installing checking motion additional, checking motion is all installed at the interior of heater
Portion, accordingly, it would be desirable to which the structure to heater body is transformed, and the transformation is likely to require increasing heater cylinder size.
Conventional thermal power plant General Spatial is limited, compact arrangement of equipment.Increase heat exchangers for district heating cylinder size on the one hand by sky
Between limit, on the other hand also cause the increase of manufacturing cost.Therefore consider portion's increase scour prevention on the heaters, will not increase
Heater floor space, can reduce investment.
The content of the invention
The present invention provides a kind of heat exchanger for installing checking motion additional outside heat exchanger, to solve asking for prior art presence
Topic.
The present invention uses following technical scheme：
A kind of new entrance erosion control heat exchangers for district heating, including cylinder 101, cylinder 101 are provided with steam inlet 104, the steam
Checking motion is provided between entrance 104 and cylinder 101, the checking motion is arranged on the outer wall of cylinder 101.
The checking motion is outside heavy caliber, a small-bore cavity body structure, heavy caliber one end connector drum 101
Wall, small-bore one end connects the pipeline of steam inlet 104.
The checking motion is the cone structure that one end open is big, one end open is small, and be open small one end and steam inlet
104 pipeline connection, the big one end that is open is connected with the outer wall of cylinder 101 with the hole that opening is engaged.
The checking motion be semicircle volute type structure, the barrel of the big opening connector drum 101 of semicircle volute type structure,
The pipeline of small opening connection steam inlet 104.
The inside of cylinder 101 is set is additionally provided with heat supply network water inlet 106, heat supply network water outlet on heat exchanger tube 102, cylinder 101
Mouth 107 and hydrophobic outlet 105, high-temperature steam enters the cylinder 101 of heater by steam inlet 104, checking motion 103
In, the heat supply network backwater that heat exchanger tube 102 is flowed into from heat supply network water inlet 106 is heated in cylinder 101, the heat supply network after heating is returned
Water is from the outflow tube 101 of heat supply network delivery port 107, and high-temperature steam condensate enters drain water piping from hydrophobic outlet 105.
Emergent drain outlet is additionally provided with the cylinder 101（08.
Beneficial effects of the present invention：The present invention sets checking motion in calorifier inlets, and calorifier inlets condition is carried out
Optimization, effectively reduction high velocity vapor exchange heat pipe washes away, and ensures heater safe operation, improves operation heat-economy；Meanwhile, with
Prior art is compared, and checking motion of the invention is arranged on outside heater, it is not necessary to is carried out structure to heater body and is changed
Enter, i.e., the heater provided with checking motion does not change body construction and heat exchange area, the steam-water pipe arrangement related to heater
Form is constant, on the pipe arrangement of heat network system without influence, can not only save transformation time and improvement cost, will not also cause
The reduction of heat exchanger security performance caused by transformation, and the size of heat exchanger need not be changed.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Fig. 2 is the side view of the structural representation of the present invention.
Wherein, 101- cylinders；102- heat exchanger tubes；103- checking motions；104- steam inlets；The hydrophobic outlets of 105-；106-
Heat supply network backwater import；107- heat supply networks backwater is exported；108- emergent drains are exported.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
As shown in figure 1, a kind of new entrance erosion control heat exchangers for district heating that the present invention is provided, includes the cylinder 101 of heat exchanger,
Cylinder 101 is provided with steam inlet 104, compared with prior art, and maximum distinctive points of the invention are：Steam inlet 104
Checking motion is provided between cylinder 1, checking motion is arranged on the outer wall of cylinder 1.The structure need not be in heater
Portion carries out the improvement of structure, can not only save transformation time and improvement cost, will not also cause the heat exchanger caused by transformation
The reduction of security performance, and the floor space of heat exchanger need not be increased.
Checking motion 103 is outside heavy caliber, a small-bore cavity body structure, heavy caliber one end connector drum 101
Wall, small-bore one end connects the pipeline of steam inlet 104.The structure can optimize steam inlet condition, make flow velocity uniform, reduction
High velocity vapor exchanges washing away for heat pipe.
Specifically, checking motion is the cone structure that one end open is big, one end open is small, the one end for being open small and steam
The pipeline connection of entrance 104, the big one end that is open is connected with the outer wall of cylinder 101 with the perforate that opening is engaged.
Checking motion may be arranged as semicircle volute type structure, i.e., the semicircular structure of both ends open as shown in Figure 2,
The barrel of the big opening connector drum 101 of semicircle volute type structure, small opening connects the pipeline of steam inlet 104.
The inside of cylinder 101 of the present invention is set is additionally provided with heat supply network water inlet 106, heat supply network on heat exchanger tube 102, cylinder 101
Delivery port 107 and hydrophobic outlet 105, high-temperature steam enters the cylinder of heater by steam inlet 104, checking motion 103
In 101, the heat supply network backwater that heat exchanger tube 102 is flowed into from heat supply network water inlet 106 is heated in cylinder 101, the heat after heating
Net backwater is from the outflow tube 101 of heat supply network delivery port 107, and high-temperature steam condensate enters drain water piping from hydrophobic outlet 105.
Emergent drain outlet 108 is additionally provided with cylinder 101.
The heater provided with checking motion of the present invention does not change body construction and heat exchange area, the vapour related to heater
Waterpipe arrangement form is constant, on the pipe arrangement of heat network system without influence.Heat exchangers for district heating entrance checking motion has following
Basic function：Checking motion can improve into vapour condition, and reduction high velocity vapor exchange heat pipe must wash away, and prevent heater booster thing
Therefore, be conducive to improving the safety and stability of heater operation.
Above-described is only the preferred embodiment of the present invention, it is noted that for those skilled in the art,
Under the premise of general idea of the present invention is not departed from, some changes and improvements can also be made, these should also be considered as the present invention's
Protection domain.
Claims (6)
1. a kind of new entrance erosion control heat exchangers for district heating, including cylinder（101）, cylinder（101）It is provided with steam inlet（104）,
It is characterized in that：The steam inlet（104）And cylinder（101）Between be provided with checking motion, the checking motion is arranged on
Cylinder（101）Outer wall on.
2. a kind of new entrance erosion control heat exchangers for district heating according to claim 1, it is characterised in that：The checking motion is
One heavy caliber, a small-bore cavity body structure, heavy caliber one end connector drum（101）Outer wall, small-bore one end connection is steamed
Vapour entrance（104）Pipeline.
3. a kind of new entrance erosion control heat exchangers for district heating according to claim 1, it is characterised in that：The checking motion is
The cone structure that one end open is big, one end open is small, be open small one end and steam inlet（104）Pipeline connection, opening is big
One end and cylinder（101）It is connected on outer wall with the hole that opening is engaged.
4. a kind of new entrance erosion control heat exchangers for district heating according to claim 1, it is characterised in that：The checking motion is
Semicircle volute type structure, the big opening connector drum of semicircle volute type structure（101）Barrel, small opening connects steam inlet
（104）Pipeline.
5. a kind of new entrance erosion control heat exchangers for district heating according to claim 1, it is characterised in that：The cylinder（101）
Inside sets heat exchanger tube（102）, cylinder（101）On be additionally provided with heat supply network water inlet（106）, heat supply network delivery port（107）With it is hydrophobic
Outlet（105）, high-temperature steam passes through steam inlet（104）, checking motion（103）Enter the cylinder of heater（101）In,
Cylinder（101）It is interior to from heat supply network water inlet（106）Flow into heat exchanger tube（102）Heat supply network backwater heated, the heat supply network after heating
Backwater is from heat supply network delivery port（107）Outflow tube（101）, and high-temperature steam condensate is from hydrophobic outlet（105）Into drain pipe
Road.
6. a kind of new entrance erosion control heat exchangers for district heating according to claim 1, it is characterised in that：The cylinder（101）
On be additionally provided with emergent drain outlet（108）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710473129.8A CN107120992A (en) | 2017-06-21 | 2017-06-21 | A kind of new entrance erosion control heat exchangers for district heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710473129.8A CN107120992A (en) | 2017-06-21 | 2017-06-21 | A kind of new entrance erosion control heat exchangers for district heating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107120992A true CN107120992A (en) | 2017-09-01 |
Family
ID=59719285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710473129.8A Pending CN107120992A (en) | 2017-06-21 | 2017-06-21 | A kind of new entrance erosion control heat exchangers for district heating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107120992A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107621179A (en) * | 2017-10-18 | 2018-01-23 | 东方电气集团东方锅炉股份有限公司 | Hydrophobic well heat exchangers for district heating built in one kind |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080190593A1 (en) * | 2007-02-09 | 2008-08-14 | Xi'an Jiaotong University | Single shell-pass or multiple shell-pass shell-and-tube heat exchanger with helical baffles |
| CN201672843U (en) * | 2010-05-21 | 2010-12-15 | 南京德邦金属装备工程有限公司 | Anti-impingement device for steam inlet of shell-and-tube heat exchanger |
| CN202993895U (en) * | 2013-01-06 | 2013-06-12 | 济南市压力容器厂 | Steam exhaust cooler of high-water-side pressure steam-driving induced draft fan steam turbine |
| CN206989754U (en) * | 2017-06-21 | 2018-02-09 | 华电郑州机械设计研究院有限公司 | A kind of new entrance erosion control heat exchangers for district heating |
-
2017
- 2017-06-21 CN CN201710473129.8A patent/CN107120992A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080190593A1 (en) * | 2007-02-09 | 2008-08-14 | Xi'an Jiaotong University | Single shell-pass or multiple shell-pass shell-and-tube heat exchanger with helical baffles |
| CN201672843U (en) * | 2010-05-21 | 2010-12-15 | 南京德邦金属装备工程有限公司 | Anti-impingement device for steam inlet of shell-and-tube heat exchanger |
| CN202993895U (en) * | 2013-01-06 | 2013-06-12 | 济南市压力容器厂 | Steam exhaust cooler of high-water-side pressure steam-driving induced draft fan steam turbine |
| CN206989754U (en) * | 2017-06-21 | 2018-02-09 | 华电郑州机械设计研究院有限公司 | A kind of new entrance erosion control heat exchangers for district heating |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107621179A (en) * | 2017-10-18 | 2018-01-23 | 东方电气集团东方锅炉股份有限公司 | Hydrophobic well heat exchangers for district heating built in one kind |
| CN107621179B (en) * | 2017-10-18 | 2023-10-31 | 东方电气集团东方锅炉股份有限公司 | Built-in drain well heat supply network heater |
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