CN108980804A - A kind of heat recovery steam generator device - Google Patents
A kind of heat recovery steam generator device Download PDFInfo
- Publication number
- CN108980804A CN108980804A CN201810764813.6A CN201810764813A CN108980804A CN 108980804 A CN108980804 A CN 108980804A CN 201810764813 A CN201810764813 A CN 201810764813A CN 108980804 A CN108980804 A CN 108980804A
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- sliding
- cavity
- sliding block
- screw rod
- chamber
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/28—Methods of steam generation characterised by form of heating method in boilers heated electrically
- F22B1/284—Methods of steam generation characterised by form of heating method in boilers heated electrically with water in reservoirs
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a kind of heat recovery steam generator devices, including installation frame body and the main body being fixed in the installation frame body left end face, water storage cavity is equipped in the main body, the smoke exhaust pipe that front and back extends and runs through the water storage cavity is additionally provided in the main body, equidistantly arrangement is equipped with multiple groups thermally conductive sheet on the smoke exhaust pipe in the water storage cavity, electric heater is installed on the water storage cavity bottom wall, intake chamber in the roof of the water storage cavity equipped with top with the escape pipe of the extraneous setting that is connected and positioned at the escape pipe right positions and top and the extraneous setting that is connected, it is connected in the intake chamber and is equipped with the left and right is extended first sliding chamber, it is connected in the main body on the right side of described first sliding chamber equipped with the first cavity, first cunning is intracavitary to be slidably connected with the first sliding block, on the left of first sliding block Described first sliding intracavitary press is connected with the first spring, is equipped with through slot in first sliding block.
Description
Technical field
The present invention relates to steam generator technical field, specially a kind of heat recovery steam generator device.
Background technique
Steam generator is the mechanical equipment for water being heated as using the thermal energy of fuel or other energy hot water or steam,
Steam generator body is widely used in various industries, such as food processing, food and drink restaurant, existing steam generator body one
As use gas heating, high-temperature flue gas can be generated during heating, and in the environment that these high-temperature flue gas can be directly discharged
It goes, causes the loss of heat to waste, add thermogenetic flue gas not recycle, waste the energy significantly, be unfavorable for steam production
Come into force rate, and traditional general volume of heat recovery steam generator device is all more huge, occupied space, and installation is also not easy, cost
Also relatively high, waste heat recycling heating is undesirable, to influence the operation of steam generator in actual operation.
Summary of the invention
The purpose of the present invention is to provide a kind of heat recovery steam generator devices, in the prior art above-mentioned scarce for overcoming
It falls into.
A kind of heat recovery steam generator device according to the present invention, including installation frame body and it is fixed on the installation frame body
Main body in left end face, the main body is interior to be equipped with water storage cavity, and front and back is additionally provided in the main body and is extended and through institute
The smoke exhaust pipe for stating water storage cavity, equidistantly arrangement is equipped with multiple groups thermally conductive sheet, the storage on the smoke exhaust pipe in the water storage cavity
Be installed with electric heater on water cavity bottom wall, in the roof of the water storage cavity equipped with top and the escape pipe of the extraneous setting that is connected with
And positioned at the escape pipe right positions and the intake chamber at top and the extraneous setting that is connected, it is connected in the intake chamber and is equipped with
The sliding chamber of first be extended is controlled, is connected in the main body on the right side of the described first sliding chamber equipped with the first cavity, it is described
First cunning is intracavitary to be slidably connected with the first sliding block, and the sliding intracavitary press of described first on the left of first sliding block is cooperatively connected
There is the first spring, through slot is equipped in first sliding block, is equipped with self-locking transmission mechanism, the water storage cavity in first cavity
It is equipped with drive cavity in the main body of downside, the second sliding chamber is equipped in the main body on the right side of the drive cavity, it is described
Second sliding chamber is located at the bottom relative position of first cavity, and first cavity and described second are slided in the part between chamber
It is rotatably assorted and is connected with first rotating shaft, the first rotating shaft bottom end, which is installed with, protrudes into described second sliding the first intracavitary tooth
It takes turns, second cunning on rear side of the first gear is intracavitary to be slidably connected with rack slide, the rack slide internal screw thread
It is connected with the first extended screw rod of left and right, the sliding chamber of third, institute are equipped in the main body on the left of the drive cavity
It states to be connected in the sliding chamber roof of third and is equipped with first sliding groove extended to the right, be connected in the roof of the first sliding groove
Equipped with second sliding slot extended to the left, on the left of the second sliding slot extending end be connected be equipped with it is extended up and down
Rhone, the rhone top end are connected setting with the water storage cavity, and the rhone bottom end is connected with the external world
Logical setting, be rotatably assorted the second shaft being connected with through the drive cavity between the sliding chamber of the third and the second sliding chamber,
Second gear is circumferentially installed in second shaft in the drive cavity, the second gear bottom engagement is connected with third
Gear, the third gear right end face are connected by power the driving motor admittedly in the drive cavity right side wall, and described the
Three sliding intracavitary the second sliding blocks for being slidably connected with top end and protruding into the first sliding groove, the second sliding block internal screw thread
It is connected with the second extended screw rod of left and right, is slidably connected with third sliding block in the second sliding slot, described the
Press is connected with second spring in the second sliding slot on the right side of three sliding blocks, and described the on the right side of second sliding block
The convex sliding block that top end is connect with the third sliding block secure fit, the driving motor are slidably connected in one sliding slot
Electronic control unit is installed on outer wall, the electronic control unit and the driving motor are electrically connected, the electronic control
Velocity of rotation of the device to control the driving motor, and then realize that controlling the third gear by the driving motor drives
The velocity of rotation of second gear.
Further technical solution, the left distal end of first screw rod and the right end power of second shaft are matched
Connection is closed, the right end of first screw rod is rotatably assorted with the right side wall of the described second sliding chamber and connect, second screw rod
Right end and the left distal end power of second shaft be cooperatively connected, the left distal end of second screw rod and described the
The left side walls of three sliding chambers are rotatably assorted connection, and first screw rod and second screw flight direction are oppositely arranged.
Further technical solution, the self-locking transmission mechanism include that sliding connection is arranged in first cavity
The first lifting slider and be slidably matched in first cavity being arranged on the right side of first lifting slider second liter
Drop sliding block, be slidably connected with slide guide bar extended up and down in first lifting slider, the slide guide bar up and down
Both-side ends are connect with the upper lower wall secure fit of first cavity respectively, on the downside of first lifting slider described in
Slide guide rod outer surface is equipped with third spring, and the left end face of first lifting slider is slided close to top position and described first
Transmission arm is hingedly connected between the right end of block, the right end face of first lifting slider is close to bottom position
It is installed with the first convex block, the second lifting slider screw-internal thread fit is connected with third screw rod extended up and down, and described the
The top end power of the bottom end of three screw rods and the first rotating shaft is cooperatively connected, the top end of the third screw rod with
The first cavity roof is rotatably assorted connection, is equipped in first cavity on the upside of first convex block and described second liter
Second convex block of the left end face secure fit connection of sliding block drops.
Detailed description of the invention
Fig. 1 is a kind of heat recovery steam generator device outside overall structure diagram in the present invention；
Fig. 2 is a kind of heat recovery steam generator device inside overall structure diagram in the present invention.
Specific embodiment
Below with reference to Fig. 1-2, the present invention is described in detail.
Referring to Fig.1-2, a kind of heat recovery steam generator device of embodiment according to the present invention, including installation frame body 5 with
And it is fixed on the main body 6 in 5 left end face of installation frame body, water storage cavity 61, the main body are equipped in the main body 6
The smoke exhaust pipe 7 that front and back extends and runs through the water storage cavity 61, the smoke exhaust pipe 7 in the water storage cavity 61 are additionally provided in 6
Upper equidistant arrangement is equipped with multiple groups thermally conductive sheet 71, is installed with electric heater 612 on 61 bottom wall of water storage cavity, the water storage cavity 61
Equipped with top with the escape pipe 611 of the extraneous setting that is connected and positioned at 611 right positions of escape pipe and top in roof
Be connected the intake chamber 613 of setting with the external world, is connected in the intake chamber 613 and is equipped with the left and right is extended first sliding chamber
63, it is connected in the main body 6 on first sliding 63 right side of chamber equipped with the first cavity 62, sliding in the described first sliding chamber 63
It is connected with the first sliding block 631, press is connected with first in the described first sliding chamber 63 in 631 left side of the first sliding block
Spring 632, first sliding block 631 is interior to be equipped with through slot 633, and self-locking transmission mechanism is equipped in first cavity 62, described
It is equipped with drive cavity 65 in the main body 6 of 61 downside of water storage cavity, is equipped in the main body 6 on 65 right side of drive cavity
Second sliding chamber 64, the described second sliding chamber 64 are located at the bottom relative position of first cavity 62, first cavity 62 and institute
It states to be rotatably assorted in the part between the second sliding chamber 64 and is connected with first rotating shaft 642,642 bottom end of first rotating shaft is fixed
There are the first gear 643 protruded into the described second sliding chamber 64, sliding in the described second sliding chamber 64 of 643 rear side of first gear
It is connected with rack slide 641,641 screw-internal thread fit of rack slide is connected with the first extended screw rod of left and right
644, the main body 6 in 65 left side of drive cavity is interior to be equipped with the sliding chamber 66 of third, is connected in sliding 66 roof of chamber of the third
Equipped with first sliding groove 68 extended to the right, be connected to be equipped in the roof of the first sliding groove 68 is extended to the left
Second sliding slot 67, the 67 left side extending end of second sliding slot, which is connected, is equipped with rhone 614 extended up and down, described
614 top end of rhone is connected setting with the water storage cavity 61, and 614 bottom end of rhone is connected with the external world to be set
It sets, be rotatably assorted the second shaft being connected with through the drive cavity 65 between the sliding chamber 66 of the third and the second sliding chamber 64
651, second gear 652,652 bottom of second gear are circumferentially installed in second shaft 651 in the drive cavity 65
Portion's engagement is connected with third gear 654, and 654 right end face of third gear has been connected by power admittedly right embedded in the drive cavity 65
Driving motor 653 in side wall is slidably connected with top end in the sliding chamber 66 of the third and protrudes into the first sliding groove 68
The second interior sliding block 661,661 screw-internal thread fit of the second sliding block is connected with the second extended screw rod 662 of left and right, described
Third sliding block 671, top in the second sliding slot 67 on 671 right side of third sliding block are slidably connected in second sliding slot 67
Press-fit is connected with second spring 672, is slidably connected in the first sliding groove 68 on 661 right side of the second sliding block
The convex sliding block 681 for thering is top end to connect with 671 secure fit of third sliding block, it is fixed on 653 outer wall of driving motor
There is electronic control unit 6531, the electronic control unit 6531 is electrically connected with the driving motor 653, the electronic control
Velocity of rotation of the device 6531 to control the driving motor 653, and then realize and control described the by the driving motor 653
The velocity of rotation of three gears 654 drive second gear 652.
Valuably or illustratively, the right end of the left distal end of first screw rod 644 and second shaft 651
Power is cooperatively connected, and the right end of first screw rod 644 is rotatably assorted with the right side wall of the described second sliding chamber 64 and connect, institute
The left distal end power of the right end and second shaft 651 of stating the second screw rod 662 is cooperatively connected, second screw rod
662 left distal end is rotatably assorted with the left side wall of the sliding chamber 66 of the third and connect, first screw rod 644 and second spiral shell
The hand of spiral of bar 662 is oppositely arranged, to realize the reverse movement work of the second sliding block 661 and rack slide 641, Jin Ershi
Work is opened in the switching for now automatically controlling intake chamber 613 and rhone 614, is substantially increased automatic control rate, is improved work
Efficiency.
Valuably or illustratively, the self-locking transmission mechanism includes that sliding connection is arranged in first cavity 62
Interior the first lifting slider 621 and first cavity 62 being arranged on the right side of first lifting slider 621 that is slidably matched
The second interior lifting slider 626 is slidably connected with slide guide bar extended up and down in first lifting slider 621
623, the both-side ends up and down of the slide guide bar 623 are connect with the upper lower wall secure fit of first cavity 62 respectively, are located at
623 outer surface of slide guide bar of first lifting slider, 621 downside is equipped with third spring 624, and first lifting is slided
The left end face of block 621 is hingedly connected with linkage between top position and the right end of first sliding block 631
Arm 622, the right end face of first lifting slider 621 are installed with the first convex block 625 close to bottom position, and described second liter
Drop 626 screw-internal thread fit of sliding block is connected with third screw rod 627 extended up and down, the bottom end of the third screw rod 627
It is cooperatively connected with the top end power of the first rotating shaft 642, the top end of the third screw rod 626 and first sky
62 roof of chamber is rotatably assorted connection, is equipped in first cavity 62 of 625 upside of the first convex block and second lifting
Second convex block 628 of the left end face secure fit connection of sliding block 626, automatically controls first rotating shaft 642 and first to realize
The transmission of sliding block 631 controls work, substantially increases.
When original state, the second sliding block 661 is set to be located at the middle position in the sliding chamber 66 of third, at this point, making third sliding block 671
671 left distal end of third sliding block that the pressure on top surface for the second spring 672 being subject to makes utmostly protrudes into rhone 614 and makes third
The left end face of sliding block 671 abuts against completely with 614 left side wall of rhone, meanwhile, so that the right side section of rack slide 641 is located at the
The rearward position of one gear 643, at this point, being located at the first sliding block 631 in first sliding chamber 63 by the pressure on top surface of the first spring 632
Right-most position, meanwhile, make the through slot 633 in the first sliding block 631 utmostly far from intake chamber 613, at this point, making first
Pressure on top surface of the lifting slider 621 by third spring 624 makes the first lifting slider 621 be located at the top in the first cavity 62
Position, meanwhile, so that the second lifting slider 626 is located at the middle position in the first cavity 62, at this point, making the second lifting slider 626
On the second convex block 628 bottom end face and the first convex block 625 top end surface be in abut against state；
It when needing to intake, drives third gear 654 to rotate by driving motor 653, second gear is driven by third gear 654
652 and second shaft 651 rotate, at this point, driving the second screw rod 662 and the first screw rod 644 to turn simultaneously by the second shaft 651
It is dynamic, and then drive the second sliding block 661 to slide towards the left direction in the sliding chamber 66 of third by the second screw rod 662, due to third sliding block
671 left distal end of third sliding block that the pressure on top surface of 671 second springs 672 being subject to makes utmostly protrudes into rhone 614 and makes
The left end face of third sliding block 671 abuts against completely with 614 left side wall of rhone, and then remains stationary third sliding block 671, and
Drive rack slide 641 towards the right direction sliding in the second sliding chamber 64 by the first screw rod 644, at this point, by 641 band of rack slide
Dynamic first gear 643 and first rotating shaft 642 rotate, and drive third screw rod 627 to rotate by first rotating shaft 642, meanwhile, by third spiral shell
Bar 627 drives the second lifting slider 626 towards the bottom direction sliding in the first cavity 62, at this point, making on the second lifting slider 626
The second convex block 628 and the first convex block 625 press cooperate, make the first convex block 625 drive the first lifting slider 621 overcome third
The bottom direction of the pressure on top surface of spring 624 towards slide guide bar 623 is slided, and then is realized and passed through transmission arm by the first lifting slider 621
622 the first sliding blocks 631 of drive overcome the pressure on top surface of the first spring 632 and towards the left direction slidings in the first sliding chamber 63, until
Through slot 633 is connected completely with intake chamber 613, controls driving motor 653 at this time and stops operating；When needing to drain,
It is rotated backward by controlling driving motor 653, and then drives the second sliding block 661 to slide in chamber 66 towards third by the second screw rod 662
Right direction slides and drives rack slide 641 to slide towards the left direction in the second sliding chamber 64 by the first screw rod 644, until
The third sliding block 671 at convex 681 top of sliding block is driven to overcome the pressure on top surface of second spring 672 towards second sliding slot by the second sliding block 661
Right direction sliding in 67, meanwhile, so that the left distal end of third sliding block 671 is slipped away in rhone 614, when the first lifting slider
When 621 recoveries to initial position, the second lifting slider 626 is driven to continue towards in the first cavity 62 by third screw rod 627 at this time
Top-direction sliding, until controlling driving motor at this time when the left distal end of third sliding block 671 is sliding completely off in rhone 614
653 stop operating, when draining after the completion of by driving motor 653 control the second lifting slider 626, third sliding block 671 with
And rack slide 641 restores to initial position, the heat by smoke exhaust pipe 7 will heat in water storage cavity 61, then can be added by electricity
The unlatching of hot device 612 further increases heating effect.
The beneficial effects of the present invention are: the configuration of the present invention is simple, easy to operate, by driving third tooth by driving motor
Wheel rotation drives second gear and the second shaft to rotate by third gear, at this point, driving the second screw rod and the by the second shaft
One screw rod rotates simultaneously, and then drives the second sliding block to slide towards the sliding intracavitary left direction of third by the second screw rod, due to third
The third sliding block left distal end that the pressure on top surface for the second spring that sliding block is subject to makes utmostly protrudes into rhone and makes third sliding block
Left end face abutted against completely with rhone left side wall, and then remain stationary third sliding block, and by the first screw rod band movable tooth
Sliding block is towards the second sliding intracavitary right direction sliding, at this point, drive first gear and first rotating shaft to rotate by rack slide, by
First rotating shaft drives the rotation of third screw rod, meanwhile, drive the second lifting slider towards the bottom side in the first cavity by third screw rod
To sliding, at this point, cooperating the press of the second convex block and the first convex block on the second lifting slider, the first convex block is made to drive first
The bottom direction that lifting slider overcomes the pressure on top surface of third spring towards slide guide bar is slided, and then is realized and passed through by the first lifting slider
Transmission arm drives the first sliding block to overcome the pressure on top surface of the first spring and towards the first sliding intracavitary left direction sliding, until through slot
It is connected completely with intake chamber, controls driving motor at this time and stop operating, to realizes the unlatching for automatically controlling intake chamber
Add water conservancy project to make, significantly reduce worker's amount of labour, the heat by smoke exhaust pipe will heat in water storage cavity, then can pass through electric heating
The unlatching of device further increases heating effect, allows plus thermogenetic flue gas recycles, greatly reduce energy waste.
Those skilled in the art can define, can in the case of not departing from overall spirit of the invention and design
To make the various modifications for above embodiments.It falls within the scope of protection of the present invention.Protection scheme of the invention
It is subject to claims appended hereto.
Claims (3)
1. a kind of heat recovery steam generator device, including installation frame body and the master being fixed in the installation frame body left end face
Body, it is characterised in that: be equipped with water storage cavity in the main body, front and back is additionally provided in the main body and is extended and through the storage
The smoke exhaust pipe of water cavity, equidistantly arrangement is equipped with multiple groups thermally conductive sheet, the water storage cavity on the smoke exhaust pipe in the water storage cavity
It is installed with electric heater on bottom wall, escape pipe and the position at top and the extraneous setting that is connected are equipped in the roof of the water storage cavity
In the escape pipe right positions and the intake chamber at top and the extraneous setting that is connected, it is connected in the intake chamber and is equipped with left and right
Extended first sliding chamber is connected in the main body on the right side of the described first sliding chamber equipped with the first cavity, and described first
It is sliding it is intracavitary is slidably connected with the first sliding block, the sliding intracavitary press of described first on the left of first sliding block is connected with the
One spring, first sliding block is interior to be equipped with through slot, and self-locking transmission mechanism, the water storage cavity downside are equipped in first cavity
The main body in be equipped with drive cavity, be equipped with the second sliding chamber in the main body on the right side of the drive cavity, described second
Sliding chamber is located at the bottom relative position of first cavity, rotates in the part between first cavity and the second sliding chamber
It is connected with first rotating shaft, the first rotating shaft bottom end, which is installed with, protrudes into the described second sliding intracavitary first gear, institute
State described second on rear side of first gear it is sliding it is intracavitary be slidably connected with rack slide, the rack slide screw-internal thread fit connects
It is connected to the first extended screw rod of left and right, the sliding chamber of third, the third are equipped in the main body on the left of the drive cavity
Be connected in sliding chamber roof and be equipped with first sliding groove extended to the right, be connected in the roof of the first sliding groove be equipped with to
The extended second sliding slot in left side, second sliding slot left side extending end, which is connected, is equipped with draining extended up and down
Slot, the rhone top end are connected setting with the water storage cavity, and the rhone bottom end is connected with the external world to be set
It sets, be rotatably assorted the second shaft being connected with through the drive cavity between the sliding chamber of the third and the second sliding chamber, described
Second gear is circumferentially installed in second shaft in drive cavity, the second gear bottom engagement is connected with third tooth
Wheel, the third gear right end face are connected by power the driving motor admittedly in the drive cavity right side wall, the third
Sliding intracavitary the second sliding block for being slidably connected with top end and protruding into the first sliding groove, the second sliding block internal screw thread are matched
It closes and is connected with the second extended screw rod of left and right, be slidably connected with third sliding block, the third in the second sliding slot
Press is connected with second spring in the second sliding slot on the right side of sliding block, described first on the right side of second sliding block
The convex sliding block that top end is connect with the third sliding block secure fit is slidably connected in sliding slot, outside the driving motor
Electronic control unit is installed on wall, the electronic control unit and the driving motor are electrically connected, the electronic control dress
It sets the velocity of rotation to control the driving motor, and then realizes that controlling the third gear by the driving motor drives the
The velocity of rotation of two gears.
2. a kind of heat recovery steam generator device according to claim 1, it is characterised in that: the left side of first screw rod
The right end power of end and second shaft is cooperatively connected, the right end of first screw rod and the second sliding chamber
Right side wall be rotatably assorted connection, the left distal end power of the right end of second screw rod and second shaft, which cooperates, to be connected
It connects, the left distal end of second screw rod is rotatably assorted with the left side wall of the sliding chamber of the third to be connect, first screw rod and institute
It is oppositely arranged to state the second screw flight direction.
3. a kind of heat recovery steam generator device according to claim 1, it is characterised in that: self-locking transmission mechanism packet
It includes to be slidably connected the first lifting slider being arranged in first cavity and be slidably matched and be arranged at described first liter
The second lifting slider in first cavity on the right side of sliding block is dropped, is slidably connected in first lifting slider up and down
Extended slide guide bar, the both-side ends up and down of the slide guide bar connect with the upper lower wall secure fit of first cavity respectively
It connects, the slide guide rod outer surface on the downside of first lifting slider is equipped with third spring, first lifting slider
Left end face be hingedly connected with transmission arm between top position and the right end of first sliding block, described
The right end face of one lifting slider is installed with the first convex block close to bottom position, and the second lifting slider screw-internal thread fit connects
It is connected to third screw rod extended up and down, the bottom end of the third screw rod and the top end power of the first rotating shaft
It is cooperatively connected, the top end of the third screw rod is rotatably assorted with the first cavity roof and connect, on first convex block
The second convex block connecting with the left end face secure fit of second lifting slider is equipped in first cavity of side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810764813.6A CN108980804A (en) | 2018-07-12 | 2018-07-12 | A kind of heat recovery steam generator device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810764813.6A CN108980804A (en) | 2018-07-12 | 2018-07-12 | A kind of heat recovery steam generator device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108980804A true CN108980804A (en) | 2018-12-11 |
Family
ID=64537932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810764813.6A Withdrawn CN108980804A (en) | 2018-07-12 | 2018-07-12 | A kind of heat recovery steam generator device |
Country Status (1)
| Country | Link |
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| CN (1) | CN108980804A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110260286A (en) * | 2019-06-19 | 2019-09-20 | 嘉兴济铭商贸有限公司 | A kind of waste heat recovering energy conserving boiler |
-
2018
- 2018-07-12 CN CN201810764813.6A patent/CN108980804A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110260286A (en) * | 2019-06-19 | 2019-09-20 | 嘉兴济铭商贸有限公司 | A kind of waste heat recovering energy conserving boiler |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181211 |