CN111623516A - Self-cleaning system for heat exchanger of condensing wall-hanging furnace - Google Patents
Self-cleaning system for heat exchanger of condensing wall-hanging furnace Download PDFInfo
- Publication number
- CN111623516A CN111623516A CN202010601439.5A CN202010601439A CN111623516A CN 111623516 A CN111623516 A CN 111623516A CN 202010601439 A CN202010601439 A CN 202010601439A CN 111623516 A CN111623516 A CN 111623516A
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- condensing
- box
- pipe
- electromagnetic valve
- 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
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H8/00—Fluid heaters characterised by means for extracting latent heat from flue gases by means of condensation
- F24H8/006—Means for removing condensate from the heater
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
- F24H9/0036—Dispositions against condensation of combustion products
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
- F24H9/0042—Cleaning arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G9/00—Cleaning by flushing or washing, e.g. with chemical solvents
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention relates to the related technical field of condensing wall-hanging furnaces, in particular to a self-cleaning system of a heat exchanger of a condensing wall-hanging furnace, which comprises the condensing wall-hanging furnace and the heat exchanger arranged on the front side surface of the condensing wall-hanging furnace, wherein the condensing wall-hanging furnace is arranged in a liquid accumulating box, and the liquid accumulating box is of a box body structure formed by combining an inverted rectangular pyramid at the upper end and an inverted rectangular pyramid at the lower end; through the below at condensing hanging stove set up the hydrops case, thereby collect the sour comdenstion water that contains that contacts formation with acid flue gas in with condensing hanging stove through the hydrops case, thereby in the exchange tube of collecting sour comdenstion water pump income heat exchanger in with the hydrops case, thereby react with the alkaline dirt thing of using formation in the exchange tube for a long time through the acid comdenstion water, and the effect through the circulating water is taken away heat exchanger, thereby the completion forms the self-cleaning to heat exchanger's inside, thereby effectively prolong its actual life.
Description
Technical Field
The invention relates to the technical field of condensation type wall-hanging furnaces, in particular to a self-cleaning system of a heat exchanger of a condensation type wall-hanging furnace.
Background
In recent years, environmental protection policies such as energy conservation and emission reduction are promoted, and the coal-to-gas heating market is popular in the north, wherein the market of engineering machines of gas heating water heaters is widely expanded; maintenance of wall-hanging furnace systems is a common problem in engineering. Due to different water quality in different parts of the country, particularly in high-chlorine hard water regions, and the parts of the heat exchanger of the wall-hanging furnace system, calcium-based substances such as calcium carbonate and the like begin to be separated out along with the solubility characteristic of the calcium-based substances after internal water is heated to more than 60 ℃ in the use process of combustion heat exchange, and the inner wall surface of the water side of the heat exchanger usually forms flaky scales. After calcium-based dirt is attached to the inner wall surface of the heat exchanger, crevice corrosion, pitting corrosion and intergranular corrosion can be generated under the dirt, stress corrosion can also be generated in the combustion process or the cold and hot impact process, the heat exchanger is corroded by the superposition of various corrosions, and the problem of cracking and water leakage of the heat exchanger becomes a difficult problem.
Disclosure of Invention
The invention aims to provide a self-cleaning system of a heat exchanger of a condensing wall-hanging stove, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a self-cleaning system of a heat exchanger of a condensing wall-hanging furnace comprises the condensing wall-hanging furnace and the heat exchanger arranged on the surface of the front side of the condensing wall-hanging furnace, the condensing wall-mounted furnace is arranged in a liquid accumulating box, the upper end of the liquid accumulating box is rectangular, the lower end of the box body is a box body structure formed by combining inverted rectangular pyramids, a supporting plate is fixedly welded between the front side wall and the rear side wall of the box body, a plurality of supporting plates are arranged at equal intervals, the condensing wall-mounted furnace is fixedly supported on the plate body of the supporting plate through the supporting rod, the front surface and the rear surface of the box body of the liquid accumulating box are provided with two groups of supporting legs which are symmetrically arranged, a water outlet is arranged at the tip part of the rectangular pyramid at the lower end of the liquid accumulation box, a drain pipe is arranged at the position of the water outlet, and the end part of the drain pipe is provided with a drain pipe valve, and the front side surface of the box body of the liquid accumulating box is fixedly provided with a control panel and a PLC control module.
Preferably, a water inlet and a water outlet are respectively arranged on two side walls of the heat exchanger, the end portion of the water inlet is fixedly connected with a first-stage three-way pipe, the other two pipe orifices of the first-stage three-way pipe are respectively connected with a first electromagnetic valve and a second electromagnetic valve, the other ends of the first electromagnetic valve and the second electromagnetic valve are respectively connected with a water inlet pipe and a circulating water pipe, a second-stage three-way valve is installed at the position of the water outlet, the other two end orifices of the second-stage three-way valve are respectively connected with a third electromagnetic valve and a fourth electromagnetic valve, the other ends of the third electromagnetic valve and the fourth electromagnetic valve are respectively connected with a water outlet pipe and a water return pipe, the first section.
Preferably, the other end of circulating water pipe and wet return all communicates with the box internal portion of hydrops case, and the right side wall of the box of hydrops case lean on the fixed welding of low side to have the circulating water pump mounting panel, the circulating water pump mounting panel is a rectangle flat board, and has circulating water pump through clamp structure fixed mounting on its plate body, circulating water pump's drainage end is connected with circulating water pipe's lower extreme, the position department parcel of circulating water pump's the end of intaking has the protection network, and circulating water pump's the end of intaking highly is higher than the lower surface of the inside rectangle part of hydrops case box.
Preferably, a water level switch is arranged inside the box body of the liquid accumulating box, a signal output end of the water level switch is in electrical signal connection with a signal receiving end of the PLC control module, an alarm is arranged on the right side wall of the liquid accumulating box, and the alarm controls the switch through the PLC control module.
Furthermore, the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve and the fourth electromagnetic valve are all in electrical signal connection with an electrical signal output end of the PLC control module, and an electrical signal input end of the PLC control module is in electrical signal connection with an output end of the control panel;
furthermore, a filter screen is laid on the upper surface of the supporting plate, the filter screen is a high-density mesh screen body, the supporting rod is positioned right above the plate body of the supporting plate, and the lower surface of the supporting rod and the plate body of the supporting plate are positioned and fixed through a positioning bolt;
furthermore, the supporting leg is of a rod-shaped structure with a rectangular cross section, the supporting leg and the liquid storage tank are fixedly welded, and mounting holes are formed in two rod bodies on the rear side of the supporting leg structure;
compared with the prior art, the invention has the beneficial effects that:
1. the liquid accumulation box is arranged below the condensing wall-mounted furnace, so that acid-containing condensate water formed by the condensing wall-mounted furnace and acid flue gas in contact is collected through the liquid accumulation box, the circulating water pump is arranged inside the box body of the liquid accumulation box, the acid-containing condensate water collected in the liquid accumulation box is pumped into the exchange tube of the heat exchanger through the circulating water pump, the acid condensate water reacts with alkaline dirt formed by long-term use in the exchange tube, and the alkaline dirt is taken out of the heat exchanger through the action of the circulating water, so that self-cleaning of the interior of the heat exchanger is completed, and the actual service life of the heat exchanger is effectively prolonged;
2. the three-way pipe is respectively arranged at the water inlet and the water outlet of the heat exchanger, and the electromagnetic valves are respectively arranged at the other two ports of the three-way pipe, so that the flow direction of liquid in the three-way pipe can be conveniently controlled by a worker through the control panel, and the whole device can be rapidly and conveniently switched between a self-cleaning mode and a normal working mode.
3. One deck filter screen is laid through the upper surface at the backup pad to through the filtering action of filter screen, in order to avoid some great foreign matters to drop in the hydrops case and influence the holistic normal work of device.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a half sectional view of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
fig. 4 is an enlarged schematic view of the structure at B in fig. 2.
In the figure: condensing hanging stove 1, heat exchanger 2, hydrops case 3, supporting leg 4, drain pipe 5, drain pipe valve 6, control panel 7, PLC control module 8, backup pad 9, filter screen 10, bracing piece 11, circulating water pump mounting panel 12, circulating water pump 13, water inlet 14, delivery port 15, one-level three-way pipe 16, first solenoid valve 17, second solenoid valve 18, inlet tube 19, circulating water pipe 20, outlet pipe 21, wet return 22.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a self-cleaning system of a condensing wall-hanging furnace heat exchanger comprises a condensing wall-hanging furnace 1 and a heat exchanger 2 arranged on the front side surface of the condensing wall-hanging furnace 1, wherein the condensing wall-hanging furnace 1 is arranged in a liquid accumulating tank 3, the upper end of the liquid accumulating tank 3 is rectangular, the lower end of the box body is a box body structure formed by combining inverted rectangular pyramids, a supporting plate 9 is fixedly welded between the front side wall and the rear side wall of the box body, a plurality of supporting plates 9 are arranged at equal intervals, the condensing wall-mounted furnace 1 is fixedly supported on the plate body of the supporting plate 9 through a supporting rod 11, the front surface and the rear surface of the box body of the effusion box 3 are provided with two groups of supporting legs 4, the two groups of supporting legs 4 are symmetrically arranged, a water outlet is arranged at the tip part of the rectangular pyramid at the lower end of the liquid accumulation box 3, a drain pipe 5 is arranged at the position of the water outlet, and the end of the drain pipe 5 is provided with a drain pipe valve 6, and the front side surface of the box body of the effusion box 3 is fixedly provided with a control panel 7 and a PLC control module 8.
Further, a water inlet 14 and a water outlet 15 are respectively arranged on two side walls of the heat exchanger 2, the end of the water inlet 14 is fixedly connected with a first-stage three-way pipe 16, the other two pipe orifices of the first-stage three-way pipe 16 are respectively connected with a first electromagnetic valve 17 and a second electromagnetic valve 18, the other ends of the first electromagnetic valve 17 and the second electromagnetic valve 18 are respectively connected with a water inlet pipe 19 and a circulating water pipe 20, a second-stage three-way valve is arranged at the position of the water outlet 15, the other two end orifices of the second-stage three-way valve are respectively connected with a third electromagnetic valve and a fourth electromagnetic valve, the other ends of the third electromagnetic valve and the fourth electromagnetic valve are respectively connected with a water outlet pipe 21 and a water return pipe 22, the first section of the water inlet pipe 19 is connected with a water supply mechanism, the tail end of the water outlet pipe 21 is connected with a water utilization mechanism, and a liquid accumulation tank 3 is arranged below the condensing wall, the circulating water pump 13 is arranged in the box body of the liquid accumulation box 3, so that the acid-containing condensate water collected in the liquid accumulation box 3 is pumped into the exchange tube in the heat exchanger 2 through the circulating water pump, the acid condensate water reacts with alkaline dirt formed in the exchange tube after long-term use, and the alkaline dirt is taken out of the heat exchanger 2 through the action of the circulating water, so that self-cleaning of the interior of the heat exchanger 2 is completed, and the actual service life of the heat exchanger is effectively prolonged;
furthermore, the other ends of the circulating water pipe 20 and the return water pipe 22 are both communicated with the interior of the box body of the effusion box 3, a circulating water pump mounting plate 12 is fixedly welded near the lower end of the right side wall of the box body of the effusion box 3, the circulating water pump mounting plate 12 is a rectangular flat plate, a circulating water pump 13 is fixedly mounted on the plate body through a hoop structure, the drainage end of the circulating water pump 13 is connected with the lower end of the circulating water pipe 20, a protective net is wrapped at the position of the water inlet end of the circulating water pump 13, the height of the water inlet end of the circulating water pump 13 is higher than the lower surface of the rectangular part in the box body of the effusion box 3, a three-way pipe is respectively mounted at the positions of the water inlet 14 and the water outlet 15 of the heat exchanger 2, and electromagnetic valves are respectively mounted at the other two ports of the three-way pipe, so that a worker can, so as to quickly and conveniently switch the whole device between a self-cleaning mode and a normal working mode;
furthermore, a water level switch is arranged in the box body of the liquid accumulation box 3, the signal output end of the water level switch is in electric signal connection with the signal receiving end of the PLC control module 8, an alarm is arranged on the right side wall of the liquid accumulation box 3, and the alarm is controlled to be switched on and off through the PLC control module;
further, the first electromagnetic valve 17, the second electromagnetic valve 18, the third electromagnetic valve and the fourth electromagnetic valve are all in electrical signal connection with the electrical signal output end of the PLC control module 8, and the electrical signal input end of the PLC control module 8 is in electrical signal connection with the output end of the control panel 7;
furthermore, a filter screen 10 is laid on the upper surface of the support plate 9, the filter screen 10 is a high-density mesh screen body, the support rod 11 is positioned right above the plate body of the support plate 9, the lower surface of the support rod 11 and the plate body of the support plate 9 are positioned and fixed through a positioning bolt, and a layer of filter screen 10 is laid on the upper surface of the support plate 9, so that the filter effect of the filter screen 10 is utilized to prevent some large foreign matters from falling into the liquid collecting tank 3 to influence the normal operation of the whole device;
furthermore, the supporting legs 4 are rod-shaped structures with rectangular sections, the supporting legs and the liquid accumulation box 3 are fixedly welded, and mounting holes are formed in two rod bodies on the rear sides of the supporting leg structures, so that the liquid accumulation box 3 can be mounted on the ground and on a wall, and the actual use is more flexible;
the working principle is as follows: in practical use, when heat in the condensing wall-mounted furnace 1 is exchanged through the heat exchanger 2, condensed water generated in the condensing wall-mounted furnace 1 is wholly acidic due to contact with acidic flue gas, the part of condensed water drops into the liquid accumulation tank 3 for collection, when a certain amount of condensed water in the liquid accumulation tank 3 is collected, the condensed water can control the alarm to give an alarm under the action of the liquid level switch, at the moment, a worker can operate the control panel 7 according to actual conditions, when the device is in a work-stoppable state, the worker can switch off the first electromagnetic valve 17 by operating the control panel 7, empty the water in the heat exchanger 2, switch off the third electromagnetic valve, switch on the second electromagnetic valve 18 and the fourth electromagnetic valve, switch on the circulating water pump 13, and continuously pump the condensed water containing acid into the heat exchange tube in the heat exchanger 2 through the circulating water pump 13, thereby react with the alkaline incrustation scale in the heat exchange tube through the acid in the condensate water to wash the inner wall of heat exchange tube through the continuous circulation of condensate water, thereby reach the self-cleaning effect of going on to its inside, thereby avoid the incrustation scale accumulation in the heat exchanger too much and influence the holistic normal work of device.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a condensing hanging stove heat exchanger is from cleaning system, includes condensing hanging stove (1) and installs heat exchanger (2) at condensing hanging stove (1) front side surface, its characterized in that: the condensing wall-mounted furnace (1) is arranged in the liquid accumulating box (3), the upper end of the liquid accumulating box (3) is rectangular, the lower end of the box body is of a box body structure formed by combining inverted rectangular pyramids, a supporting plate (9) is fixedly welded between the front side wall and the rear side wall of the box body, a plurality of supporting plates (9) are arranged at equal intervals, and the condensing wall-hanging furnace (1) is fixedly supported on the plate body of the supporting plate (9) through a supporting rod (11), the front and back surfaces of the box body of the liquid accumulating box (3) are provided with supporting legs (4), two groups of the supporting legs (4) are symmetrically arranged, a water outlet is arranged at the tip part of the rectangular pyramid at the lower end of the liquid accumulating box (3), a drain pipe (5) is arranged at the position of the water outlet, and the end part of the drain pipe (5) is provided with a drain pipe valve (6), and the front side surface of the box body of the liquid accumulating box (3) is fixedly provided with a control panel (7) and a PLC control module (8).
2. A condensing fireplace heat exchanger self-cleaning system as recited in claim 1, wherein: a water inlet (14) and a water outlet (15) are respectively arranged on the two side walls of the heat exchanger (2), the end part of the water inlet (14) is fixedly connected with a first-stage three-way pipe (16), the other two pipe orifices of the first-stage three-way pipe (16) are respectively connected with a first electromagnetic valve (17) and a second electromagnetic valve (18), and the other ends of the first electromagnetic valve (17) and the second electromagnetic valve (18) are respectively connected with a water inlet pipe (19) and a circulating water pipe (20), a second-stage three-way valve is arranged at the position of the water outlet (15), the other two ports of the second-stage three-way valve are respectively connected with a third electromagnetic valve and a fourth electromagnetic valve, and the other ends of the third electromagnetic valve and the fourth electromagnetic valve are respectively connected with a water outlet pipe (21) and a water return pipe (22), the first section of inlet tube (19) is connected with water supply mechanism, and the end of outlet pipe (21) is connected with water supply mechanism.
3. A condensing fireplace heat exchanger self-cleaning system as recited in claim 2, wherein: the other end of circulating water pipe (20) and wet return (22) all communicates with the box internal portion of hydrops case (3), and the right side wall of the box of hydrops case (3) lean on the fixed welding of low end to have circulating water pump mounting panel (12), circulating water pump mounting panel (12) are a rectangle flat board, and have circulating water pump (13) through clamp structure fixed mounting on its plate body, the drainage end of circulating water pump (13) is connected with the lower extreme of circulating water pipe (20), the position department parcel of the end of intaking of circulating water pump (13) has the protection network, and the end of intaking of circulating water pump (13) highly is higher than the lower surface of the inside rectangle part of hydrops case (3) box.
4. A condensing fireplace heat exchanger self-cleaning system as recited in claim 3, wherein: the water level switch is arranged inside the box body of the liquid accumulation box (3), the signal output end of the water level switch is in electrical signal connection with the signal receiving end of the PLC control module (8), the alarm is arranged on the right side wall of the liquid accumulation box (3), and the alarm is controlled to be switched on and off through the PLC control module.
5. A condensing fireplace heat exchanger self-cleaning system as recited in claim 2, wherein: first solenoid valve (17), second solenoid valve (18), third solenoid valve and fourth solenoid valve all carry out signal of telecommunication connection with PLC control module (8)'s signal of telecommunication output, and carry out signal of telecommunication connection between PLC control module (8)'s the signal of telecommunication input and control panel (7)'s output.
6. A condensing fireplace heat exchanger self-cleaning system as recited in claim 1, wherein: the upper surface of backup pad (9) has laid filter screen (10), filter screen (10) are high density mesh net body, and bracing piece (11) are located backup pad (9) plate body directly over, and fix a position fixedly through positioning bolt between the lower surface of bracing piece (11) and the plate body of backup pad (9).
7. A condensing fireplace heat exchanger self-cleaning system as recited in claim 1, wherein: the supporting legs (4) are rod-shaped structures with rectangular sections, the rod-shaped structures and the liquid accumulation box (3) are fixedly welded, and mounting holes are formed in two rod bodies of the supporting leg structures close to the rear side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010601439.5A CN111623516A (en) | 2020-06-29 | 2020-06-29 | Self-cleaning system for heat exchanger of condensing wall-hanging furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010601439.5A CN111623516A (en) | 2020-06-29 | 2020-06-29 | Self-cleaning system for heat exchanger of condensing wall-hanging furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111623516A true CN111623516A (en) | 2020-09-04 |
Family
ID=72270604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010601439.5A Pending CN111623516A (en) | 2020-06-29 | 2020-06-29 | Self-cleaning system for heat exchanger of condensing wall-hanging furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111623516A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112629008A (en) * | 2020-11-25 | 2021-04-09 | 晏翠波 | Hanging stove with flue gas is handled |
-
2020
- 2020-06-29 CN CN202010601439.5A patent/CN111623516A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112629008A (en) * | 2020-11-25 | 2021-04-09 | 晏翠波 | Hanging stove with flue gas is handled |
| CN112629008B (en) * | 2020-11-25 | 2022-07-15 | 佛山市航烨热能科技有限公司 | Hanging stove with flue gas is handled |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106195970B (en) | A kind of flue gas waste heat recovery apparatus | |
| CN105993722B (en) | Solar heating and warming system for vegetable and fruit greenhouse | |
| CN111623516A (en) | Self-cleaning system for heat exchanger of condensing wall-hanging furnace | |
| CN203737053U (en) | Waste heat-recovery condensation water saving device | |
| CN212409077U (en) | Self-cleaning system for heat exchanger of condensing wall-hanging furnace | |
| CN102242958A (en) | Closed type evaporating refrigeration cold water unit | |
| CN105485915B (en) | A kind of flue gas waste heat recovery apparatus for oil-burning gas-fired boiler | |
| CN208671767U (en) | A kind of device for utilizing waste of boiler | |
| CN213178896U (en) | Low-temperature heat pump equipment | |
| CN208398690U (en) | A kind of electrolytic aluminum smoke UTILIZATION OF VESIDUAL HEAT IN desulfurization disappears white device | |
| CN208139555U (en) | Throw slot type water heater | |
| CN210951367U (en) | Boiler flue gas waste heat recovery device | |
| CN215489978U (en) | Steam condensate water waste heat recovery heating system | |
| CN217058462U (en) | Rubber ball cleaning type sewage heat exchanger | |
| CN217431313U (en) | Chimney rain treatment device | |
| CN219956271U (en) | Online flushing device for GGH heat exchanger | |
| CN216346354U (en) | Degree of depth waste heat recovery system based on fluoroplastics gas heater | |
| CN205580248U (en) | Pinpoint and easily anti deposition, heat exchanger that acidproof dew corrodes of edge leakage | |
| CN211823269U (en) | Novel hot air waste heat recovery device | |
| CN219494992U (en) | Online descaling system suitable for plate heat exchanger of MBR sewage treatment system | |
| CN207196613U (en) | A kind of circulating HVAC system | |
| CN220489132U (en) | Low-pressure high-temperature steam boiler | |
| CN219510828U (en) | Tail gas recovery device for tablet corn feed boiler | |
| CN218764004U (en) | Hot water module furnace with novel structure | |
| CN219121175U (en) | Boiler flue gas waste heat recovery device with desulfurizing tower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |