CN213020346U - Low-nitrogen condensation wall-mounted furnace - Google Patents

Low-nitrogen condensation wall-mounted furnace Download PDF

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Publication number
CN213020346U
CN213020346U CN202021233048.4U CN202021233048U CN213020346U CN 213020346 U CN213020346 U CN 213020346U CN 202021233048 U CN202021233048 U CN 202021233048U CN 213020346 U CN213020346 U CN 213020346U
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low
shell
nitrogen
condenser
water
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CN202021233048.4U
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Chinese (zh)
Inventor
伍仲恩
梁友志
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Foshan City Shunde District Manli Electrical Co ltd
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Foshan City Shunde District Manli Electrical Co ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/30Technologies for a more efficient combustion or heat usage

Abstract

A low-nitrogen condensation wall-mounted furnace comprises an expansion water tank and a condenser which are positioned in a shell, wherein a front installation space and a rear installation space are arranged in the shell, and the expansion water tank and the condenser are arranged in the rear installation space in an up-and-down manner; the condenser comprises a shell, a plurality of heat exchange tubes connected with each other are arranged in the shell, a water inlet joint and a water outlet joint which are communicated with the plurality of heat exchange tubes are arranged on the surface of the shell, a smoke inlet and a smoke outlet are also arranged on the surface of the shell, and a water outlet is arranged on one side of the shell; a low-nitrogen burner is arranged in the shell; the low-nitrogen combustor includes that the low-nitrogen fire of water-cooling is arranged, and the low-nitrogen fire of water-cooling is arranged the top and is equipped with the combustion chamber, and combustion chamber one side is equipped with the heat exchanger rather than the intercommunication, and the fan is installed to the top of combustion chamber, and the mouth and the fan intercommunication of advancing of condenser to carry the high temperature flue gas to the condenser in through advancing the mouth. The utility model discloses a condenser and expansion tank are rearmounted, and the condenser space can be designed into big space, satisfies high-power design demand.

Description

Low-nitrogen condensation wall-mounted furnace
Technical Field
The utility model relates to a hanging stove specifically is a low nitrogen condensation hanging stove.
Background
Chinese patent document No. CN207094991U discloses a sectional water-cooled low-nitrogen condensation wall-mounted furnace in 2018.03.13, which comprises an intelligent sectional control device, a bottom plate, a water-cooled low-nitrogen fire grate, a combustion chamber, a main heat exchanger, a condensation heat exchanger, and a plate heat exchanger, wherein the intelligent sectional control device is installed at the lower end of the bottom plate, and is connected with the vertically placed water-cooled low-nitrogen fire grate in two ways, the combustion chamber with a sheet metal structure is installed at the upper end of the water-cooled low-nitrogen fire grate, the main heat exchanger communicated with the combustion chamber is installed at the upper end of the combustion chamber, a smoke hood device is arranged on the main heat exchanger, a condenser heat exchanger is installed at the upper right side of the main heat exchanger, a fan is installed at one side of the condenser heat exchanger, the fan is respectively communicated with the condenser heat exchanger and the smoke hood, high-temperature flue gas, the water-cooling low-nitrogen fire row is by ventilating joint, sectional type air distribution chamber, the division board, gas nozzle, mix the chamber in advance, water-cooling copper pipe, fire hole board constitute, the joint of ventilating is installed in water-cooling low-nitrogen fire row bottom, the fire hole board is installed in water-cooling low-nitrogen fire row upper end, it installs sectional type air distribution chamber to be located the joint upper end of ventilating, divide by the division board, be connected with equidistant small-bore gas nozzle who distributes with air distribution chamber upper end, it is the chamber in advance to be located between fire hole board and the gas nozzle, it installs the water-cooling copper pipe and the water path connection of U type to be.
The condensation heat exchanger of this structure is installed in narrow and small space, and its cooling space is not big, can not satisfy the demand of high-power design. And thus, is in need of further improvement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a structural installation is reasonable, the installation is nimble swift, effectively solves current condenser and installs in narrow and small space, leads to the cooling space not big, can not satisfy the problem of the demand of high-power design, improves the low nitrogen condensation hanging stove of condenser cooling space in the hanging stove to overcome the weak point among the prior art.
According to the low nitrogen condensation hanging stove of this purpose design, including expansion tank, the condenser that is located the casing, be equipped with preceding installation space, back installation space in the casing, expansion tank, condenser arrange from top to bottom and set up in the installation space of back.
The condenser comprises a shell, a plurality of heat exchange tubes connected with each other are arranged in the shell, a water inlet joint and a water outlet joint communicated with the plurality of heat exchange tubes are arranged on the surface of the shell, a smoke inlet and a smoke outlet are also arranged on the surface of the shell, and a water outlet is arranged on one side of the shell.
The heat exchange tube is a stainless steel corrugated tube.
A low-nitrogen burner is arranged in the front mounting space of the shell; the low-nitrogen combustor includes that the low-nitrogen fire of water-cooling is arranged, and the low-nitrogen fire of water-cooling is arranged the top and is equipped with the combustion chamber, and combustion chamber one side is equipped with the heat exchanger rather than the intercommunication, and the fan is installed to the top of combustion chamber, and the mouth and the fan intercommunication of advancing of condenser to carry the high temperature flue gas to the condenser in through advancing the mouth.
A wind pressure sensor for detecting the wind pressure of the fan is arranged in the shell.
The shell is internally provided with a water pump, and the water pump, the low-nitrogen combustor, the condenser and the heat exchanger are sequentially communicated through pipelines.
And a gas proportional valve for conveying gas to the low-nitrogen combustor is also arranged in the shell.
The low-nitrogen combustor is provided with a cooling pipe for cooling the water-cooling low-nitrogen fire row.
The shell is also internally provided with a water inlet and outlet valve and a plate heat exchanger which are communicated with the heat exchanger.
The top of the shell is provided with a smoke exhaust seat.
The utility model has the advantages as follows:
a. a front mounting space and a rear mounting space are arranged in the shell, the expansion water tank and the condenser are arranged in the rear mounting space in an up-and-down manner, the condenser and the expansion water tank are arranged in a rear manner, and the space of the condenser can be designed into a large space to meet the design requirement of high power;
b. the low-nitrogen burner and the water-cooling combustion technology are adopted, so that the effects of energy conservation and emission reduction are achieved;
in conclusion, the utility model discloses a contrast of low nitrogen condensation hanging stove and ordinary hanging stove is as follows: the smoke exhaust temperature of a common wall-hanging furnace is 110-160 ℃, the heat efficiency is about 90%, the nitride emission is about 130mg/kw.h, the three-level emission is realized, and the two-level energy efficiency is realized; the low-nitrogen condenser has the exhaust gas temperature of about 70 ℃, the thermal efficiency of about 102 percent and the nitride emission of about 30mg/kw.h, and achieves the first-level energy efficiency.
Drawings
Fig. 1 is a schematic structural view of an expansion tank and a condenser of a low-nitrogen condensation wall-mounted boiler according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a condenser according to an embodiment of the present invention.
Fig. 3 is a schematic view of an internal structure of a low-nitrogen condensation wall-mounted boiler according to an embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
Referring to fig. 1-3, a low-nitrogen condensation wall-mounted boiler comprises an expansion tank 14 and a condenser 13 which are positioned in a shell 1, wherein a front installation space 1.1 and a rear installation space 1.2 are arranged in the shell 1, and the expansion tank 14 and the condenser 13 are arranged in the rear installation space 1.2 in an up-and-down manner.
The condenser 13 comprises a shell 13.1, a plurality of heat exchange tubes 13.2 connected with each other are arranged in the shell 13.1, a water inlet joint 13.4 and a water outlet joint 13.3 which are communicated with the plurality of heat exchange tubes 13.2 are arranged on the surface of the shell 13.1, a smoke inlet 13.5 and a smoke outlet 13.6 are also arranged on the surface of the shell 13.1, and a water outlet 13.7 is arranged on one side of the shell 13.1.
Two of the heat exchange tubes 13.2 are respectively connected with a water inlet joint 13.4 and a water outlet joint 13.3.
The inside of the condenser 13 is provided with a stainless steel corrugated pipe (a heat exchange pipe 13.2) for condensation, and the corrugated pipe is connected to a water inlet and a water outlet (a water inlet connector 13.4 and a water outlet connector 13.3). The heating water enters from the water inlet and exits from the water outlet to form circulation. High-temperature flue gas enters from the flue gas inlet 13.5 and flows through the stainless steel pipe for condensation, the high-temperature flue gas is cooled and condensed by the condensation corrugated pipe at the moment, the released latent heat heats heating water to complete the recovery of flue gas heat, and the low-temperature flue gas is discharged from the flue gas outlet 13.6. The formed condensate water is drained away by the drain opening 13.7.
The heat exchange tube 13.2 is a stainless steel corrugated tube.
A low-nitrogen burner 8 is arranged in the front mounting space 1.1 of the shell 1; low nitrogen combustor 8 includes that the low nitrogen fire of water-cooling is arranged, and the low nitrogen fire of water-cooling is arranged the top and is equipped with combustion chamber 3, and 3 one side of combustion chamber is equipped with the heat exchanger 9 rather than the intercommunication, and fan 2 is installed to the top of combustion chamber 3, and the mouth 13.5 that advances of condenser 13 communicates with fan 2 to carry the high temperature flue gas to condenser 13 in through advancing mouth 13.5.
A wind pressure sensor 11 for detecting the wind pressure of the fan 2 is arranged in the casing 1.
A water pump 7 is arranged in the shell 1, and the water pump 7, the low-nitrogen combustor 8, the condenser 13 and the heat exchanger 9 are communicated in sequence through pipelines.
A gas proportional valve 6 for delivering gas to a low-nitrogen burner 8 is also arranged in the shell 1.
The gas passes through gas proportional valve 6 and reaches low nitrogen combustor 8, and low nitrogen combustor 8 burns with being close full premix state, and the high temperature flue gas of production carries out the heat exchange in heat exchanger 9 department, and the high temperature flue gas is sent condenser 13 through fan 2 and is carried out the heat exchange, because the temperature degree through condenser 13 is lower, makes the vapor condensation water in the high temperature flue gas to release a large amount of latent heats, reach heat recovery's purpose.
The smoke exhaust temperature of a common wall-hanging furnace is 110-160 ℃, the heat efficiency is about 90%, the nitride emission is about 130mg/kw.h, the three-level emission is realized, and the two-level energy efficiency is realized; the low-nitrogen condenser has the exhaust gas temperature of about 70 ℃, the thermal efficiency of about 102 percent and the nitride emission of about 30mg/kw.h, and achieves the first-level energy efficiency.
The low-nitrogen burner 8 is provided with a cooling pipe for cooling the water-cooled low-nitrogen fire row.
And a water inlet and outlet valve 4 and a plate heat exchanger 5 which are communicated with the heat exchanger 9 are also arranged in the shell 1, and the water inlet and outlet valve 4 and the plate heat exchanger 5 are respectively communicated with the heat exchanger 9 through pipelines.
During the working process of the wall-hanging furnace, heating water passes through the water pump 7 and reaches the low-nitrogen combustor 8, the water-cooling low-nitrogen fire of the low-nitrogen combustor 8 is cooled through the cooling pipe, the emission temperature is prevented from being high, the heating water reaches the condenser 13 through the pipeline and then reaches the heat exchanger 9 to exchange heat with flue gas, and finally, the heating water flows out of the device through the valve body and reaches the heat dissipation device of the user terminal.
The top of the shell 1 is provided with a smoke exhaust seat 12.
The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and the scope of the invention is to be protected. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides a low nitrogen condensation hanging stove, is including expansion tank (14), condenser (13) that are located casing (1), its characterized in that: a front mounting space (1.1) and a rear mounting space (1.2) are arranged in the shell (1), and the expansion water tank (14) and the condenser (13) are arranged in the rear mounting space (1.2) in an up-and-down manner.
2. The low-nitrogen condensation wall-hanging stove according to claim 1, characterized in that: the condenser (13) comprises a shell (13.1), a plurality of heat exchange tubes (13.2) connected with each other are arranged in the shell (13.1), a water inlet joint (13.4) and a water outlet joint (13.3) which are communicated with the plurality of heat exchange tubes (13.2) are arranged on the surface of the shell (13.1), a smoke inlet (13.5) and a smoke outlet (13.6) are also arranged on the surface of the shell (13.1), and a water outlet (13.7) is arranged on one side of the shell (13.1).
3. The low-nitrogen condensation wall-hanging stove according to claim 2, characterized in that: the heat exchange tube (13.2) is a stainless steel corrugated tube.
4. The low-nitrogen condensation wall-hanging stove according to claim 2, characterized in that: a low-nitrogen burner (8) is arranged in the front mounting space (1.1) of the shell (1); low nitrogen combustor (8) are arranged including the low nitrogen fire of water-cooling, and the low nitrogen fire of water-cooling is arranged the top and is equipped with combustion chamber (3), and combustion chamber (3) one side is equipped with heat exchanger (9) rather than the intercommunication, and fan (2) are installed to the top of combustion chamber (3), and the mouth of admitting smoke (13.5) and fan (2) intercommunication of condenser (13) to carry the high temperature flue gas to condenser (13) in through admitting smoke mouth (13.5).
5. The low-nitrogen condensation wall-hanging stove according to claim 4, characterized in that: a wind pressure sensor (11) for detecting the wind pressure of the fan (2) is arranged in the shell (1).
6. The low-nitrogen condensation wall-hanging stove according to claim 4, characterized in that: a water pump (7) is arranged in the shell (1), and the water pump (7), the low-nitrogen combustor (8), the condenser (13) and the heat exchanger (9) are communicated in sequence through pipelines.
7. The low-nitrogen condensation wall-hanging stove according to claim 6, characterized in that: and a gas proportional valve (6) for conveying gas to the low-nitrogen combustor (8) is also arranged in the shell (1).
8. The low-nitrogen condensation wall-hanging stove according to claim 7, characterized in that: the low-nitrogen combustor (8) is provided with a cooling pipe for cooling the water-cooling low-nitrogen fire row.
9. The low-nitrogen condensation wall-hanging stove according to any one of claims 4 to 8, characterized in that: the shell (1) is also internally provided with a water inlet and outlet valve (4) and a plate heat exchanger (5) which are communicated with the heat exchanger (9).
10. The low-nitrogen condensation wall-hanging stove according to claim 9, characterized in that: the top of the shell (1) is provided with a smoke exhaust seat (12).
CN202021233048.4U 2020-06-29 2020-06-29 Low-nitrogen condensation wall-mounted furnace Active CN213020346U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021233048.4U CN213020346U (en) 2020-06-29 2020-06-29 Low-nitrogen condensation wall-mounted furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021233048.4U CN213020346U (en) 2020-06-29 2020-06-29 Low-nitrogen condensation wall-mounted furnace

Publications (1)

Publication Number Publication Date
CN213020346U true CN213020346U (en) 2021-04-20

Family

ID=75498847

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021233048.4U Active CN213020346U (en) 2020-06-29 2020-06-29 Low-nitrogen condensation wall-mounted furnace

Country Status (1)

Country Link
CN (1) CN213020346U (en)

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