CN209445337U - Shell-and-tube steam electric boiler - Google Patents
Shell-and-tube steam electric boiler Download PDFInfo
- Publication number
- CN209445337U CN209445337U CN201920146925.5U CN201920146925U CN209445337U CN 209445337 U CN209445337 U CN 209445337U CN 201920146925 U CN201920146925 U CN 201920146925U CN 209445337 U CN209445337 U CN 209445337U
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- China
- Prior art keywords
- tube
- furnace body
- shell
- electric boiler
- grill pan
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- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of shell-and-tube steam electric boilers, belong to boiler technology field.Which solve the defects for lacking a steam electric boiler with drum in the prior art.It mainly includes grill pan furnace body, drum, power control cabinet, and the drum is on the upside of grill pan furnace body, and grill pan furnace body passes through tedge respectively and down-comer is connect with drum, and more electrothermal tubes are installed in the grill pan furnace body, and electrothermal tube is connect with power control cabinet.The utility model is for generating saturated vapor.
Description
Technical field
The utility model belongs to boiler technology field, specifically, more particularly to a kind of shell-and-tube steam electric boiler.
Background technique
In recent years, country increasingly paid attention to environmental issue.Currently, coal-fired and Methods of Oil-Gas Fired Boiler is still in boiler industry
It is main body, the flue gas of discharge is the important sources of environmental pollution.Come in, country widelys popularize Methods of Oil-Gas Fired Boiler, fuel oil steam pot
Although furnace can reduce haze particle to a certain degree, the exhaust gas such as nitrogen oxides can be all generated as coal-burning boiler.In electric boiler
Aspect, since electric boiler is reliable for operation simple, there are no waste discharge problems, meet current national requirements for environmental protection, gradually by user
Approve.But the steam electric boiler in Vehicles Collected from Market is integrated steam electric boiler mostly, and lack a steaming with drum
Vapour electric boiler.
Summary of the invention
The utility model aim is to provide a kind of shell-and-tube steam electric boiler, lacks a have in the prior art to overcome
The defect of the steam electric boiler of drum.
The utility model adopts the following technical solutions realization: a kind of shell-and-tube steam electric boiler, including electric boiler sheet
Body, drum, power control cabinet, for the drum on the upside of grill pan furnace body, grill pan furnace body passes through tedge and down-comer and vapour respectively
Packet connection, the grill pan furnace body is interior to be fixedly mounted more electrothermal tubes, and the electrothermal tube is connect with power control cabinet.
Further, the more electrothermal tubes are divided into multiple groups, and every group of electrothermal tube is separately connected power control cabinet, every group of electrothermal tube packet
One or more electrothermal tube is included, power control cabinet carries out individually control to every group of electrothermal tube.
Further, the electrothermal tube includes resistance wire, and the resistance wire presents wavy in length direction.
Further, the electrothermal tube further includes eduction rod, insulator, and insulator is fixedly connected with electric heating inside pipe wall, is drawn
Stick passes through insulator and connect with resistance wire out.
Further, it is fixedly mounted in the electrothermal tube to middle ring, it is described to be passed through for resistance wire to being opened up in middle ring
Location hole.
Further, the grill pan furnace body be horizontal tube shell type structure, the grill pan furnace body include cylinder, tube sheet and
Tube sheet is installed at drainpipe, cylinder both ends respectively, opens up multiple perforation on tube sheet, the electrothermal tube pass through the perforation on tube sheet and with
Tube-sheet Welding, the electric boiler body bottom portion install drainpipe.
Further, the tube sheet is flexible tubesheet.
Further, the tedge is straight pipe, and down-comer is bend pipe.
Further, diversion pipe is fixedly mounted in the grill pan furnace body, the diversion pipe both ends are respectively in electric boiler sheet
The top and bottom of body, diversion pipe top are connect with the bottom of down-comer.
Further, saddle is fixedly mounted in the electric boiler body bottom portion.
Compared with prior art, the utility model has the beneficial effects that by installing drum simultaneously on the upside of grill pan furnace body
It is connect by tedge and down-comer with drum, more electrothermal tubes is fixedly mounted in grill pan furnace body, changed Vehicles Collected from Market and lack
The defect of a electric boiler with drum, compared with integrated steam electric boiler, the utility model can be added by installing drum
Strong working medium circulation, operation is more stable, and the steam quality of generation is more preferable；Electrothermal tube control is simple, and electrothermal tube connects electricity using grouping, often
Group electrothermal tube includes one or more electrothermal tube, and when work, we can determine the quantity of every group of electrothermal tube according to load requirement,
Every group of electrothermal tube is separately connected power control cabinet, and power control cabinet carries out individually control to every group of electrothermal tube, i.e., power control cabinet can control often respectively
Group electrothermal tube is powered or power-off.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the A--A cross-sectional view of Fig. 1；
Fig. 3 is the structural schematic diagram of electrothermal tube described in the utility model.
In figure: 1, grill pan furnace body；2, drum；3, electrothermal tube；4, tedge；5, down-comer；6, wiring chest；7, automatically controlled
Cabinet；8, saddle；1.1, tube sheet；1.2, cylinder；1.3, diversion pipe；1.4, drainpipe；2.1, vapour device is led；2.2, steam-water separation fills
It sets；2.3, sparge pipe；2.4, continuous blowdown pipe；3.1, eduction rod；3.2, insulator；3.3, resistance wire；3.4, to middle ring.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
Embodiment 1:
A kind of shell-and-tube steam electric boiler, including grill pan furnace body 1, drum 2, power control cabinet 7, the drum 2 is in electric boiler
1 upside of ontology, grill pan furnace body 1 is connect by tedge 4 and down-comer 5 with drum 2 respectively, solid in the grill pan furnace body 1
Dingan County fills more electrothermal tubes 3, and the electrothermal tube 3 is connect with power control cabinet 7.
Drum 2 described in the utility model passes through tedge 4 and decline in 1 upside of grill pan furnace body, grill pan furnace body 1 respectively
Pipe 5 is connect with drum 2, and at work, the electrothermal tube 3 in grill pan furnace body 1 heats the working medium in grill pan furnace body 1, is formed and is steamed
The mixture of vapour and water, mixture can enter drum 2 because its density is lower by tedge 4, and the drum 2 includes steam-water separation
Device 2.2 leads vapour device 2.1, sparge pipe 2.3 and continuous blowdown pipe 2.4, steam and aqueous mixtures by leading vapour device 2.1, on
It rises to ordinary water level liquid level, carbonated drink in drum 2 to be separated, the vapour device 2.1 of leading in drum 2 is upflowing vapor and aqueous mixtures
Designated lane, rising resistance of the steam in drum 2 can be reduced, steam is avoided to exchange heat with the hot water in drum 2,
Then water separator 2.2 of the steam again through 2 top of drum separates and exports steam.At the same time, water supply passes through in drum 2
The sparge pipe 2.3 in portion enters drum 2 and mixes with hot water in drum 2, forms the biggish hot water of density and flows into electricity through down-comer 5
Delivery to 1 bottom of grill pan furnace body, hot water are reabsorbed electrothermal tube 3 and produced by diversion pipe 1.3 in boiler body 1, diversion pipe 1.3
Raw heat, realizes the Natural Circulation of working medium, and the high concentration pot water in drum 2 can be discharged for the continuous blowdown pipe 2.4.With one
Body formula steam electric boiler is compared, and the utility model structure can reinforce working medium circulation, and operation is more stable, and it is more preferable to generate steam quality.
The more electrothermal tubes 3 divide for multiple groups, and every group of electrothermal tube 3 is separately connected power control cabinet 7, and every group of electrothermal tube 3 may include
One or more electrothermal tube 3, power control cabinet 7 carry out independent control to every group of electrothermal tube 3.
Electrothermal tube 3 described in the utility model carries out grouping and connects electricity, i.e., more electrothermal tubes 3 is divided into multiple groups, every group includes
One or more electrothermal tube 3, when work, we can determine the quantity of every group of electrothermal tube 3, the power control cabinet according to load requirement
7 include PLC controller and multiple relays, and every group of electrothermal tube 3 is separately connected a relay in power control cabinet 7, and power control cabinet 7 is right
Every group of electrothermal tube 3 carries out independent control, i.e., power control cabinet 7 can be controlled by PLC controller and relay every group of electrothermal tube 3 be powered or
Person's power-off.The electrothermal tube 3 is connect by conducting wire with power control cabinet 7, and 3 both ends of electrothermal tube can be according to connecing electric mode installation wiring
The electric mode that connects of case, every group of electrothermal tube 3 can be single electrothermal tube 3 and connect electric mode or two electrothermal tube 3 series connections electricity
Mode.When connecing electric mode using single electrothermal tube 3,3 both ends of electrothermal tube connect power control cabinet 7 by conducting wire, and 3 both ends of electrothermal tube are equal
Wiring chest 6 is set；When using two 3 series connection electricity modes of electrothermal tube, one end of two electrothermal tubes 3 is linked together with conducting wire,
The other end of two electrothermal tubes 3 passes through conducting wire respectively and connect with power control cabinet 7, when in this way, can only electrothermal tube 3 with
Power control cabinet 7 connects one end and a wiring chest 6 is arranged.The power control cabinet 7 is mainly with PLC controller automatic control at runtime
It is main, it can also manually control.
The electrothermal tube 3 includes resistance wire 3.3, and the resistance wire 3.3 presents wavy in length direction.
Wavy, wavy resistance wire and traditional is presented in length direction in resistance wire 3.3 described in the utility model
Spiral resistance wire is compared, the anti-damage to electric elements of inductance when can reduce energization or power-off, in the every electrothermal tube 3
A plurality of resistance wire 3.3 can be simutaneously arranged.
The electrothermal tube 3 further includes eduction rod 3.1, insulator 3.2, and insulator 3.2 is fixedly connected with 3 inner wall of electrothermal tube,
Eduction rod 3.1 passes through insulator 3.2 and connect with resistance wire 3.3.
Electrothermal tube 3 described in the utility model include bringing-up section and non-heated section, the bringing-up section be two sides insulator 3.2 it
Between 3 part of electrothermal tube, non-heated section be the outside of insulator 3.2 3 part of electrothermal tube, non-heated section of avoidable electrothermal tube is set
The welding point of 3 both ends overheat, protection electrothermal tube 3 and tube sheet 1.1 will not deform or crack because heated.
It is fixedly mounted in the electrothermal tube 3 to middle ring 3.4, it is described to be passed through for resistance wire 3.3 to being opened up in middle ring 3.4
Location hole.
Described in the utility model to connect to middle ring 3.4 with 3 inner wall of electrothermal tube, resistance wire 3.3, which is passed through, to be determined in middle ring 3.4
Position hole, can make resistance wire 3.3 remain at the center in electrothermal tube 3 middle ring 3.4.
The grill pan furnace body 1 is horizontal tube shell type structure, and the grill pan furnace body 1 includes cylinder 1.2,1.1 and of tube sheet
Tube sheet 1.1 is installed at drainpipe 1.4,1.2 both ends of cylinder respectively, and multiple perforation are opened up on tube sheet 1.1, and the electrothermal tube 3 passes through pipe
Perforation on plate 1.1 is simultaneously welded and fixed with tube sheet 1.1, and drainpipe 1.4 is installed in 1 bottom of grill pan furnace body.
Two sides tube sheet 1.1 described in the utility model realizes connection, electrothermal tube by docking complete penetraction and fusion in welding structure with cylinder 1.2
3 both ends are each passed through two sides tube sheet 1.1 and are welded and fixed with tube sheet 1.1.
The tube sheet 1.1 is flexible tubesheet.
Tube sheet 1.1 described in the utility model is flexible tubesheet, and it is good that the flexible tubesheet compares rigid tube plate structure continuity,
Equal thickness butt welding can be carried out with cylinder 1.2, and flexible tubesheet is thinner, saves material and production cost.
The tedge 4 is straight pipe, and down-comer 5 is bend pipe.
The quantity of tedge 4 and down-comer 5 described in the utility model is two, and down-comer 5 is in the outer of tedge 4
Side, the lower end of tedge 4 is in 1 upside of grill pan furnace body, and the upper end of tedge 4 is connect with 2.1 bottom of vapour device is led, down-comer 5
Bottom connects the diversion pipe 1.3 in grill pan furnace body 1.
Diversion pipe 1.3 is fixedly mounted in the grill pan furnace body 1,1.3 both ends of diversion pipe are respectively in grill pan furnace body 1
Top and bottom, 1.3 upper end of diversion pipe is connect with the bottom of down-comer 5.
Diversion pipe 1.3 described in the utility model is by the delivery flowed out in down-comer 5 to 1 bottom of grill pan furnace body
Saddle 8 is fixedly mounted in 1 bottom of grill pan furnace body.
The grill pan furnace body 1 is placed on saddle 8 and is fixed by saddle 8 with working face.
Claims (10)
1. a kind of shell-and-tube steam electric boiler, including grill pan furnace body (1), drum (2), power control cabinet (7), it is characterised in that: institute
Drum (2) is stated on the upside of grill pan furnace body (1), grill pan furnace body (1) passes through tedge (4) and down-comer (5) and drum respectively
(2) it connects, more electrothermal tubes (3) is fixedly mounted in the grill pan furnace body (1), electrothermal tube (3) is connect with power control cabinet (7).
2. shell-and-tube steam electric boiler according to claim 1, it is characterised in that: the more electrothermal tubes (3) are divided into more
Group, every group of electrothermal tube (3) are separately connected power control cabinet (7), and every group of electrothermal tube (3) includes one or more electrothermal tube (3), power control cabinet
(7) individually control is carried out to every group of electrothermal tube (3).
3. shell-and-tube steam electric boiler according to claim 1, it is characterised in that: the electrothermal tube (3) includes resistance wire
(3.3), the resistance wire (3.3) is presented wavy in length direction.
4. shell-and-tube steam electric boiler according to claim 3, it is characterised in that: the electrothermal tube (3) further includes drawing
Stick (3.1), insulator (3.2), insulator (3.2) are fixedly connected with electrothermal tube (3) inner wall, and eduction rod (3.1) passes through insulator
(3.2) and with resistance wire (3.3) it connect.
5. shell-and-tube steam electric boiler according to claim 4, it is characterised in that: be fixedly mounted in the electrothermal tube (3)
It is described to opening up the location hole passed through for resistance wire (3.3) on middle ring (3.4) to middle ring (3.4).
6. shell-and-tube steam electric boiler according to claim 1, it is characterised in that: the grill pan furnace body (1) is horizontal
Tube shell type structure, the grill pan furnace body (1) include cylinder (1.2), tube sheet (1.1) and drainpipe (1.4), cylinder (1.2) two
Tube sheet (1.1) are installed respectively in end, and multiple perforation are opened up on tube sheet (1.1), and the electrothermal tube (3) passes through wearing on tube sheet (1.1)
Kong Bingyu tube sheet (1.1) is welded and fixed, and drainpipe (1.4) are installed in grill pan furnace body (1) bottom.
7. shell-and-tube steam electric boiler according to claim 6, it is characterised in that: the tube sheet (1.1) is flexible tubesheet.
8. shell-and-tube steam electric boiler according to claim 1, it is characterised in that: the tedge (4) is straight pipe, under
Drop pipe (5) is bend pipe.
9. shell-and-tube steam electric boiler according to claim 8, it is characterised in that: fixed in the grill pan furnace body (1)
It installs diversion pipe (1.3), diversion pipe (1.3) both ends are respectively in the top and bottom of grill pan furnace body (1), diversion pipe
(1.3) top is connect with the bottom of down-comer (5).
10. shell-and-tube steam electric boiler described in any one of -9 according to claim 1, it is characterised in that: the electric boiler
Saddle (8) are fixedly mounted in ontology (1) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920146925.5U CN209445337U (en) | 2019-01-25 | 2019-01-25 | Shell-and-tube steam electric boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920146925.5U CN209445337U (en) | 2019-01-25 | 2019-01-25 | Shell-and-tube steam electric boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209445337U true CN209445337U (en) | 2019-09-27 |
Family
ID=68019190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920146925.5U Expired - Fee Related CN209445337U (en) | 2019-01-25 | 2019-01-25 | Shell-and-tube steam electric boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209445337U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657413A (en) * | 2019-10-10 | 2020-01-07 | 河南恒诺锅炉有限公司 | Electric heating steam generator |
-
2019
- 2019-01-25 CN CN201920146925.5U patent/CN209445337U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657413A (en) * | 2019-10-10 | 2020-01-07 | 河南恒诺锅炉有限公司 | Electric heating steam generator |
| CN110657413B (en) * | 2019-10-10 | 2020-11-24 | 河南恒诺锅炉有限公司 | Electric heating steam generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190927 Termination date: 20220125 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |