CN211177433U - Hearth offset type ultra-low nitrogen vacuum boiler - Google Patents
Hearth offset type ultra-low nitrogen vacuum boiler Download PDFInfo
- Publication number
- CN211177433U CN211177433U CN201921762492.2U CN201921762492U CN211177433U CN 211177433 U CN211177433 U CN 211177433U CN 201921762492 U CN201921762492 U CN 201921762492U CN 211177433 U CN211177433 U CN 211177433U
- Authority
- CN
- China
- Prior art keywords
- heat exchange
- water
- boiler
- box
- hearth
- 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.)
- Expired - Fee Related
Links
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 78
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 111
- 239000000779 smoke Substances 0.000 claims abstract description 31
- 230000000149 penetrating effect Effects 0.000 claims abstract description 10
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 15
- 239000003546 flue gas Substances 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 11
- 238000005086 pumping Methods 0.000 claims description 6
- 239000002918 waste heat Substances 0.000 claims description 5
- 241000270295 Serpentes Species 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 3
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 238000010285 flame spraying Methods 0.000 abstract 1
- 238000002485 combustion reaction Methods 0.000 description 6
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000001771 impaired effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a furnace offset type ultra-low nitrogen vacuum boiler, which comprises a boiler body, wherein the upper part of the boiler body is communicated with a heat exchange box, a detachable heat exchange component is arranged inside the heat exchange box in a penetrating way, and two ends of the heat exchange component are respectively connected with a water inlet pipe and a water outlet pipe; the boiler comprises a boiler body, and is characterized in that a hearth is installed inside the boiler body in a biased mode, the axis of the hearth is located below the axis of the boiler body, an ultra-low nitrogen burner is installed on the outer side of the boiler body, and the flame-spraying end of the ultra-low nitrogen burner extends into the inside of the hearth. Has the advantages that: the hearth adopts an offset structure, namely the center line of the hearth is positioned below the center line of the boiler body, so that the inside of the heat exchange box is ensured to be filled with steam, steam-water heat exchange is facilitated, and the heat efficiency of the boiler is improved; the inner diameter of the hearth can be increased so as to meet the use requirement of an ultra-low nitrogen burner and ensure that the smoke emission reaches the standard; the heat exchange assembly is convenient to disassemble and assemble, so that the heat exchange assembly is convenient to clean and maintain, and the corrosion damage is avoided.
Description
Technical Field
The utility model relates to a vacuum boiler technical field, concretely relates to furnace offset type ultralow nitrogen vacuum boiler.
Background
The vacuum boiler is called vacuum phase change boiler, and two terms, one is vacuum and the other is phase change, are noted. The vacuum boiler forms a negative pressure vacuum environment in a closed furnace body, heat medium water is filled in the machine body, the heat medium water is heated through combustion or other modes, then the heat medium water is evaporated and condensed to a heat exchanger, and then the heat exchanger is used for heating water to be heated. However, the hearth of the existing vacuum boiler is positioned in the horizontal center of the boiler body, and the highest fire range is higher, so that the overall water level of the boiler is also high, and the steam space above the water level is compressed, thereby being not beneficial to steam-water heat exchange, reducing the heat exchange efficiency and being not beneficial to the energy-saving operation of the boiler; the diameter of the hearth is small, so that the use requirement of the ultra-low nitrogen combustor can not be met, and the emission of nitrogen oxides can not meet the new standard requirement; meanwhile, the heat exchanger cannot be disassembled and assembled, is inconvenient to clean and replace, is easy to corrode and damage after being used for a long time, and affects the whole service life.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems, the utility model provides an ultralow nitrogen vacuum boiler with an offset furnace hearth to solve the problems that the furnace hearth of the existing vacuum boiler is positioned in the horizontal center of the boiler body in the prior art, the highest fire boundary is higher, so the whole water level of the boiler is also high, the steam space above the water level is compressed, the steam-water heat exchange is not facilitated, the heat exchange efficiency is reduced, and the energy-saving operation of the boiler is not facilitated; the diameter of the hearth is small, so that the use requirement of the ultra-low nitrogen combustor can not be met, and the emission of nitrogen oxides can not meet the new standard requirement; meanwhile, the heat exchanger cannot be disassembled and assembled, is inconvenient to clean and replace, is easy to corrode and damage after being used for a long time, and has the influence on the technical problems of the whole service life and the like. The furnace chamber of the optimized technical scheme in the technical schemes provided by the utility model adopts an offset structure, the central line of the furnace chamber is positioned below the central line of the boiler body, the water level line can be positioned in the boiler body, the steam is fully filled in the heat exchange box, the steam-water heat exchange is facilitated, and the heat efficiency of the boiler is improved; the inner diameter of the hearth can be increased so as to meet the use requirement of an ultra-low nitrogen burner and ensure that the smoke emission reaches the standard; the heat exchange assembly is convenient to disassemble and assemble, so that the heat exchange assembly is convenient to clean and maintain, is prevented from being corroded and damaged, is beneficial to improving the technical effects of service life and the like, and is elaborated in the following.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a furnace offset type ultra-low nitrogen vacuum boiler, which comprises a boiler body, wherein the upper part of the boiler body is communicated with a heat exchange box, a detachable heat exchange component is arranged inside the heat exchange box in a penetrating way, and two ends of the heat exchange component are respectively connected with a water inlet pipe and a water outlet pipe;
the boiler comprises a boiler body, and is characterized in that a hearth is installed in the boiler body in a biased mode, the axis of the hearth is located below the axis of the boiler body, an ultra-low nitrogen burner is installed on the outer side of the boiler body, the flame-throwing end of the ultra-low nitrogen burner extends into the interior of the hearth, the end portion, far away from the ultra-low nitrogen burner, of the hearth is connected with a flue gas guide box, the outer side of the flue gas guide box is connected with a smoke return pipe, and the smoke return pipe penetrates out of the boiler body.
When the ultra-low nitrogen vacuum boiler with the offset hearth is used, combustion flame is sprayed into the hearth by the ultra-low nitrogen burner, heat medium water in the boiler body is heated by the flame temperature through the hearth, heat exchange is carried out between generated steam and water in the heat exchange assembly, so that hot water supply is realized, flue gas generated by combustion is discharged out of the boiler body through the flue gas guide box and the smoke return pipe, and when the flue gas flows in the smoke return pipe, the heat medium water is heated secondarily through the smoke return pipe, so that the heat of the flue gas is fully utilized; because the hearth adopts an offset structure, the center line of the hearth is positioned below the center line of the boiler body, so that a water level line can be positioned inside the boiler body, the steam is fully filled inside the heat exchange box, the steam-water heat exchange is facilitated, and the heat efficiency of the boiler is improved; meanwhile, the inner diameter of the hearth can be increased so as to meet the use requirement of the ultra-low nitrogen combustor and ensure that the smoke emission reaches the standard; because heat exchange assembly is convenient for the dismouting to be convenient for right heat exchange assembly clears up the maintenance, avoids corroding impaired, helps improving life.
Preferably, the outer walls of two sides of the heat exchange box are provided with mounting through holes in a penetrating manner, the heat exchange assembly comprises a water distribution box, a water collection box and a heat exchange tube, the water distribution box and the water collection box are both of a box body structure with an opening, the water distribution box and the water collection box are respectively fixedly mounted on two sides of the heat exchange box, the opening surfaces of the water distribution box and the water collection box are both far away from the heat exchange box and are connected with a connecting flange plate, a sealing plate is mounted on the outer side of the connecting flange plate through bolts and used for sealing the water distribution box or the water collection box, the water distribution box is connected with the water inlet tube, the water collection box is connected with the water outlet tube, a plugging hole is arranged on the sealing surface of the water distribution box far away from the opening in a penetrating manner, the plugging hole is coaxial with the mounting through holes, the water distribution box is characterized in that a water guide hole penetrates through the inner bottom surface of the positioning hole, the water guide hole is communicated with the interior of the water collection box, one end of the heat exchange tube is connected with a limiting ring, the end part, far away from the limiting ring, of the heat exchange tube is inserted into the positioning hole, and the limiting ring is connected with the inner wall of the water distribution box through a screw.
Preferably, the inner wall of the water distribution box is provided with a limiting groove, the limiting groove is coaxial with the plug hole, and the limiting groove is in clearance fit with the limiting ring.
Preferably, the surface of the limit ring is provided with a through hole in a penetrating manner, and the inner wall of the limit groove is provided with a threaded hole corresponding to the through hole.
Preferably, the outer side of the hearth is in a wave-shaped structure.
Preferably, the smoke return pipes are distributed in a serpentine shape inside the boiler body.
Preferably, the outlet end of the smoke return pipe is connected with a fin pipe type waste heat recoverer through a smoke guide pipe.
Preferably, a vacuum pumping pump is installed on the upper surface of the heat exchange box and communicated with the heat exchange box.
Preferably, the upper surface of the heat exchange box is provided with a hoisting ring.
Preferably, a base is installed on the bottom surface of the boiler body.
Has the advantages that: 1. the hearth adopts an offset structure, namely the center line of the hearth is positioned below the center line of the boiler body, so that a water level line can be positioned inside the boiler body, the steam is fully filled inside the heat exchange box, the steam-water heat exchange is facilitated, and the heat efficiency of the boiler is improved;
2. the inner diameter of the hearth can be increased so as to meet the use requirement of an ultra-low nitrogen burner and ensure that the smoke emission reaches the standard;
3. the heat exchange assembly is convenient to disassemble and assemble, so that the heat exchange assembly is convenient to clean and maintain, corrosion damage is avoided, and the service life is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is an enlarged schematic view of the heat exchange assembly structure of the present invention;
FIG. 3 is an enlarged schematic view of portion A of FIG. 2;
fig. 4 is an enlarged schematic view of part B of fig. 2.
The reference numerals are explained below:
1. a boiler body; 2. a flue gas diversion box; 3. a base; 4. a hearth; 5. an ultra-low nitrogen combustor; 6. a smoke returning pipe; 7. a water inlet pipe; 8. hoisting a ring; 9. a heat exchange assembly; 901. a sealing plate; 902. connecting a flange plate; 903. a water distribution box; 904. a heat exchange pipe; 905. a water collection tank; 906. a limiting ring; 907. a limiting groove; 908. inserting holes; 909. positioning holes; 910. a water guide hole; 10. a vacuum pump is pumped; 11. a heat exchange box; 1101. mounting a through hole; 12. a water outlet pipe; 13. a smoke guide pipe; 14. finned tube type waste heat recoverer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, the utility model provides a furnace offset type ultra-low nitrogen vacuum boiler, which comprises a boiler body 1, wherein the upper part of the boiler body 1 is communicated with a heat exchange box 11, a detachable heat exchange component 9 is arranged inside the heat exchange box 11 in a penetrating way, and two ends of the heat exchange component 9 are respectively connected with a water inlet pipe 7 and a water outlet pipe 12;
As an optional embodiment, the outer walls of both sides of the heat exchange box 11 are provided with mounting through holes 1101 in a penetrating manner, the heat exchange assembly 9 includes a water diversion box 903, a water collection box 905 and a heat exchange tube 904, the water diversion box 903 and the water collection box 905 are both box structures with one open side, the water diversion box 903 and the water collection box 905 are respectively and fixedly mounted on both sides of the heat exchange box 11, the open sides of the water diversion box 903 and the water collection box 905 are both away from the heat exchange box 11 and are connected with a connecting flange plate 902, a sealing plate 901 is mounted on the outer side of the connecting flange plate 902 through bolts for sealing the water diversion box 903 or the water collection box 905, the water diversion box 903 is connected with the water inlet tube 7, the water collection box 905 is connected with the water outlet tube 12, the sealing surface of the water diversion box 903 away from the opening is provided with an insertion hole, the water guide holes 910 penetrate through the inner bottom surfaces of the positioning holes 909, the water guide holes 910 are communicated with the interior of the water collecting box 905, one end of the heat exchange tube 904 is connected with the limiting ring 906, the end portion, far away from the limiting ring 906, of the heat exchange tube 904 is inserted into the positioning holes 909, the limiting ring 906 is connected with the inner wall of the water distribution box 903 through screws, in this way, when the heat exchange assembly 9 needs to be cleaned and maintained, the bolt connection between the sealing plate 901 and the connecting flange plate 902 is released, the water distribution box 903 and the water collecting box 905 are opened, cleaning and maintenance of the interior of the water distribution box 903 and the water collecting box 905 are facilitated, the screw connection between the limiting ring 906 and the inner wall of the water distribution box 903 is released, the heat exchange tube 904 is drawn.
The inner wall of the water diversion box 903 is provided with a limiting groove 907, the limiting groove 907 is coaxial with the plug hole 908, the limiting groove 907 is in clearance fit with the limiting ring 906, and the arrangement is favorable for improving the sealing effect of the heat exchange tube 904 and the inner wall of the water diversion box 903 through the matching of the limiting ring 906 and the limiting groove 907.
The surface of the limiting ring 906 is provided with a through hole in a penetrating manner, and the inner wall of the limiting groove 907 is provided with a threaded hole corresponding to the through hole, so that the limiting ring 906 is fixedly arranged inside the limiting groove 907 through a screw.
The furnace 4 outside is the wave structure, sets up like this and can increase furnace 4 and the area of contact of the inside heat medium water of boiler body 1, helps improving heating effect and the efficiency to heat medium water.
The smoke returning pipe 6 is distributed in a snake shape inside the boiler body 1, so that the contact area between the smoke returning pipe 6 and the heat medium water inside the boiler body 1 can be increased, the heat of combustion smoke is favorably fully utilized, and energy is saved.
The outlet end of the smoke returning pipe 6 is connected with a finned tube type waste heat recoverer 14 through a smoke guide pipe 13, so that the heat of the discharged smoke can be recovered through the finned tube type waste heat recoverer 14, and energy is saved.
The vacuum pumping pump 10 is installed on the upper surface of the heat exchange box 11, the vacuum pumping pump 10 is communicated with the heat exchange box 11, and the vacuum pumping pump 10 can ensure that the interior of the boiler body 1 and the heat exchange box 11 is in a vacuum environment.
The upper surface of the heat exchange box 11 is provided with a hoisting ring 8, so that the whole transportation of the device can be realized through the hoisting ring 8.
The base 3 is installed to 1 bottom surface of boiler body, sets up like this and can guarantee the stability of boiler body 1 through base 3.
By adopting the structure, when in use, the ultra-low nitrogen burner 5 sprays combustion flame into the hearth 4, the flame temperature is utilized to heat the heat medium water in the boiler body 1 through the hearth 4, the generated steam is utilized to exchange heat with the water in the heat exchange assembly 9, so that hot water supply is realized, the flue gas generated by combustion is discharged out of the boiler body 1 through the flue gas guide box 2 and the smoke return pipe 6, and when the flue gas flows in the smoke return pipe 6, the heat medium water is secondarily heated through the smoke return pipe 6, so that the heat of the flue gas is fully utilized; because the hearth 4 adopts an offset structure, the central line of the hearth 4 is positioned below the central line of the boiler body 1, so that the water level line can be positioned inside the boiler body 1, the steam is fully filled inside the heat exchange box 11, the steam-water heat exchange is facilitated, and the heat efficiency of the boiler is improved; meanwhile, the inner diameter of the hearth 4 can be increased to meet the use requirement of the ultra-low nitrogen combustor 5 and ensure that the smoke emission reaches the standard; because heat exchange assembly 9 is convenient for the dismouting to be convenient for clear up heat exchange assembly 9 and maintain, avoid corroding impaired, help improving life.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a furnace offset type ultralow nitrogen vacuum boiler which characterized in that: the boiler comprises a boiler body (1), wherein the upper part of the boiler body (1) is communicated with a heat exchange box (11), a detachable heat exchange assembly (9) penetrates through the heat exchange box (11), and two ends of the heat exchange assembly (9) are respectively connected with a water inlet pipe (7) and a water outlet pipe (12);
furnace (4) are installed to the inside biasing of boiler body (1), the axis of furnace (4) is located the below of the axis of boiler body (1), ultralow nitrogen combustor (5) is installed in boiler body (1) outside, the flame projecting end of ultralow nitrogen combustor (5) stretches into inside furnace (4), furnace (4) are kept away from the end connection of ultralow nitrogen combustor (5) has flue gas water conservancy diversion case (2), flue gas water conservancy diversion case (2) outside is connected with smoke return pipe (6), smoke return pipe (6) are worn out boiler body (1).
2. The ultra-low nitrogen vacuum boiler with offset hearth according to claim 1, characterized in that: the heat exchange assembly comprises a heat exchange box (11), wherein installation through holes (1101) are formed in the outer walls of two sides of the heat exchange box (11) in a penetrating mode, the heat exchange assembly (9) comprises a water distribution box (903), a water collection box (905) and a heat exchange tube (904), the water distribution box (903) and the water collection box (905) are box structures with one side open, the water distribution box (903) and the water collection box (905) are fixedly installed on two sides of the heat exchange box (11) respectively, the opening surfaces of the water distribution box (903) and the water collection box (905) are far away from the heat exchange box (11) and are connected with a connecting flange plate (902), a sealing plate (901) is installed on the outer side of the connecting flange plate (902) through bolts and used for sealing the water distribution box (903) or the water collection box (905), the water distribution box (903) is connected with the water inlet tube (7), the utility model discloses a water diversion tank, including water diversion tank (903), locating hole (909), heat exchange tube (904), locating ring (906), and locating hole (909), locating hole (908) and installation through hole (1101) are coaxial, the sealed face outside of keeping away from the open-ended of water collection tank (905) is provided with locating hole (909), locating hole (909) with installation through hole (1101) are coaxial, the bottom surface runs through in locating hole (909) is provided with water guide hole (910), water guide hole (910) with water collection tank (905) is inside to be linked together, heat exchange tube (904) one end is connected with spacing ring (906), heat exchange tube (904) are kept away from the tip of spacing ring (906) is inserted inside locating hole (909), spacing ring (906) through the screw with water diversion tank (903) inner wall is.
3. The ultra-low nitrogen vacuum boiler with offset hearth according to claim 2, characterized in that: the inner wall of the water distribution box (903) is provided with a limiting groove (907), the limiting groove (907) is coaxial with the plug hole (908), and the limiting groove (907) is in clearance fit with the limiting ring (906).
4. The ultra-low nitrogen vacuum boiler with offset hearth according to claim 3, characterized in that: the surface of the limiting ring (906) is provided with a through hole in a penetrating manner, and the inner wall of the limiting groove (907) is provided with a threaded hole corresponding to the through hole.
5. The ultra-low nitrogen vacuum boiler with offset hearth according to claim 1, characterized in that: the outer side of the hearth (4) is of a wave-shaped structure.
6. The ultra-low nitrogen vacuum boiler with offset hearth according to claim 1, characterized in that: the smoke returning pipes (6) are distributed in a snake shape in the boiler body (1).
7. The ultra-low nitrogen vacuum boiler with offset hearth according to claim 6, characterized in that: the outlet end of the smoke return pipe (6) is connected with a finned tube type waste heat recoverer (14) through a smoke guide pipe (13).
8. The ultra-low nitrogen vacuum boiler with offset hearth according to claim 1, characterized in that: the vacuum pumping pump (10) is installed on the upper surface of the heat exchange box (11), and the vacuum pumping pump (10) is communicated with the heat exchange box (11).
9. The ultra-low nitrogen vacuum boiler with offset hearth according to claim 1, characterized in that: and a hoisting ring (8) is arranged on the upper surface of the heat exchange box (11).
10. The ultra-low nitrogen vacuum boiler with offset hearth according to claim 1, characterized in that: the boiler is characterized in that a base (3) is installed on the bottom surface of the boiler body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921762492.2U CN211177433U (en) | 2019-10-21 | 2019-10-21 | Hearth offset type ultra-low nitrogen vacuum boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921762492.2U CN211177433U (en) | 2019-10-21 | 2019-10-21 | Hearth offset type ultra-low nitrogen vacuum boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211177433U true CN211177433U (en) | 2020-08-04 |
Family
ID=71799764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921762492.2U Expired - Fee Related CN211177433U (en) | 2019-10-21 | 2019-10-21 | Hearth offset type ultra-low nitrogen vacuum boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211177433U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107781805A (en) * | 2016-08-29 | 2018-03-09 | 兰州明康热能环保设备有限公司 | A kind of novel environment friendly denitrogenates boiler |
-
2019
- 2019-10-21 CN CN201921762492.2U patent/CN211177433U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107781805A (en) * | 2016-08-29 | 2018-03-09 | 兰州明康热能环保设备有限公司 | A kind of novel environment friendly denitrogenates boiler |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211177433U (en) | Hearth offset type ultra-low nitrogen vacuum boiler | |
| CN105157228A (en) | Water-tube type central-reverse-flame and condensation integrated boiler | |
| CN101726094B (en) | Stainless steel heat exchanger | |
| CN107795978B (en) | Alcohol-based fuel boiler | |
| CN206803098U (en) | A kind of abundant combustion-type boiler of alcohol-based fuel | |
| CN211926124U (en) | Energy-saving boiler | |
| CN105180421A (en) | Central back combustion boiler with water pipes being transversely scoured | |
| CN204388690U (en) | Stainless steel heat exchanger tube sheet unit | |
| CN208365813U (en) | A kind of condensate vacuum hot-water boiler | |
| CN111879153A (en) | Corrugated pipe energy saver suitable for smoking furnace | |
| CN110630995A (en) | Positive pressure horizontal water pipe waste heat boiler | |
| CN204880727U (en) | Water pipe wherein heart integrative stove of condensation that strile -backs | |
| CN104913498A (en) | High-efficiency energy-saving normal-pressure horizontal super-conducting gas boiler | |
| CN216790137U (en) | High-efficiency steam generator | |
| CN220083342U (en) | Anti-corrosion gas wall-mounted furnace | |
| CN216079894U (en) | Heat exchange energy-saving stove chamber | |
| CN219389687U (en) | Front wall heating surface structure of dry quenching waste heat boiler | |
| CN210345862U (en) | Novel energy-saving efficient gas boiler | |
| CN212692125U (en) | Tube group type vacuum hot water boiler | |
| CN220303688U (en) | Novel energy-saving device structure | |
| CN215113253U (en) | Energy-saving environment-friendly gas boiler | |
| CN210441191U (en) | Novel corrosion-resistant stainless steel evaporator convenient to disassemble and assemble | |
| CN220552110U (en) | Vertical premixed combustion type direct-current hot water boiler | |
| CN220338426U (en) | Conduction oil steam generator | |
| CN216845836U (en) | High-thermal-conductivity spiral heat conduction pipe for hydrochloric acid synthesis furnace |
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: 20200804 |