CN215196210U - Low-nitrogen back-combustion flue gas moisture eliminating device of boiler burner - Google Patents
Low-nitrogen back-combustion flue gas moisture eliminating device of boiler burner Download PDFInfo
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- CN215196210U CN215196210U CN202121085733.1U CN202121085733U CN215196210U CN 215196210 U CN215196210 U CN 215196210U CN 202121085733 U CN202121085733 U CN 202121085733U CN 215196210 U CN215196210 U CN 215196210U
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Abstract
The utility model provides a boiler burner low-nitrogen back-burning flue gas moisture eliminating device, which comprises a box body, an air inlet pipe, an air outlet pipe and a condensation pipe, wherein the air inlet pipe is arranged between the first end of the box body and a first pipeline, and the air outlet pipe is arranged between the second end of the box body and a second pipeline; the condenser pipe is arranged in the box body and is coaxial with the air inlet pipe, a condensed water channel is arranged on the condenser pipe, one end of the condenser pipe is provided with an inlet pipe communicated with a water inlet of the condensed water channel, the other end of the condenser pipe is provided with an outlet pipe communicated with a water outlet of the condensed water channel, and the inlet pipe and the outlet pipe are respectively connected with a cooling water supply system; the bottom of box is provided with the water catch bowl, the water catch bowl with be provided with the baffle between the condenser pipe, be provided with the hole that leaks on the baffle, the one end of water catch bowl is provided with the drain pipe. The utility model discloses can make the moisture in the back-fire flue gas reduce widely, avoid the phenomenon that the comdenstion water spills over to appear around the combustor betterly.
Description
Technical Field
The utility model belongs to the technical field of flue gas moisture elimination equipment, concretely relates to low nitrogen of boiler burner backflash flue gas moisture elimination equipment.
Background
In the prior art, a water discharging hole is formed in the lower end of a return flue gas pipeline to supply flue gas condensed water to discharge, however, the effect is poor in practical application, the condensed water still overflows, especially in winter, a boiler with a buried air supply pipeline is adopted for some split type burners, and the condensed water overflows even from the periphery of the burners, so that potential harm is brought to equipment. Therefore, how to design a low-nitrogen back-combustion flue gas moisture eliminating device of a boiler burner to reduce moisture in flue gas so as to avoid the technical problem that condensate water overflows and is urgently needed to be solved by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model provides a low nitrogen of boiler combustion machine is fired flue gas moisture remove device back to solve the above-mentioned technical problem among the prior art.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a water elimination device for low-nitrogen back-combustion flue gas of a boiler burner comprises a box body, an air inlet pipe, an air outlet pipe and a condensation pipe, wherein one end of the air inlet pipe is connected with a first end of the box body, the other end of the air inlet pipe is connected with one end of a first pipeline, and one end, far away from the air inlet pipe, of the first pipeline is used for being connected with a chimney; one end of the air outlet pipe is connected with the second end of the box body, the other end of the air outlet pipe is connected with one end of a second pipeline, and one end, far away from the air outlet pipe, of the second pipeline is used for being connected with a burner; the condenser pipe is arranged in the box body and is coaxial with the air inlet pipe, a condensed water channel is arranged on the condenser pipe, one end of the condenser pipe is provided with an inlet pipe communicated with a water inlet of the condensed water channel, the other end of the condenser pipe is provided with an outlet pipe communicated with a water outlet of the condensed water channel, and the inlet pipe and the outlet pipe are respectively connected with a cooling water supply system; the bottom of box is provided with the water catch bowl, the water catch bowl with be provided with the baffle between the condenser pipe, be provided with the hole that leaks on the baffle, the one end of water catch bowl is provided with the drain pipe.
Preferably, the condenser further comprises a condensation plate, and a plurality of baffling pipes are vertically arranged on the condensation plate; the condensing plate is obliquely arranged on the inner wall of the upper part of the air outlet pipe rightwards.
Preferably, the baffle pipes are uniformly distributed on the condensing plate.
Preferably, the outlet pipe is obliquely arranged on the second end of the box body.
Preferably, the cyclone separator further comprises a conical cyclone tube arranged in the air inlet pipe, and the conical cyclone tube is coaxially arranged with the air inlet pipe; the end with larger diameter on the conical cyclone tube is far away from the box body.
Preferably, the conical cyclone tube is a conical cyclone tube with adjustable diameter.
Preferably, an electric regulating valve is arranged on the water inlet pipe, a temperature and humidity sensor is arranged on the air outlet pipe, and the electric regulating valve and the temperature and humidity sensor are respectively and electrically connected with the controller.
Preferably, the drain pipe is provided with a switch valve.
Preferably, a liquid level sensor is arranged in the water collecting tank, the switch valve is an electromagnetic valve, and the liquid level sensor and the switch valve are respectively and electrically connected with the controller.
Preferably, the partition plate is a V-shaped plate, and the water leakage holes are located at the tip end part of the partition plate.
The beneficial effects of the utility model reside in that:
the utility model discloses a low nitrogen of boiler burner backfire flue gas moisture remove device, it is when using, make the backfire flue gas through first pipeline, the box, the second pipeline reachs the combustor, when the backfire flue gas passes through the box, utilize the condenser pipe in the box to cool off the backfire flue gas, make the moisture in the backfire flue gas condense into the water droplet and flow into the water catch bowl through the hole that leaks on the baffle, then discharge by the drain pipe, thereby make the moisture in the backfire flue gas reduced widely, and then the phenomenon that the comdenstion water spills over has appeared around having avoided the combustor betterly.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for the embodiments are briefly introduced below, and the detailed description of the embodiments of the present invention is further described with reference to the drawings, wherein
FIG. 1 is a schematic view of a boiler burner low-nitrogen flashback flue gas moisture elimination apparatus provided in an embodiment of the present invention in use;
FIG. 2 is a schematic view of a boiler burner low-nitrogen flashback flue gas moisture elimination apparatus provided by an embodiment of the present invention;
FIG. 3 is a schematic view of a cyclone tube according to an embodiment of the present invention;
fig. 4 is a schematic view of a condensation plate according to an embodiment of the present invention;
fig. 5 is a side view of a condensation plate according to an embodiment of the present invention.
In the drawings, the reference numbers:
1. first pipeline 2, box 3, inlet tube 4, condenser pipe 5, second pipeline
6. Water outlet pipe 7, water collecting tank 7', liquid level sensor 8, drain pipe 9 and switch valve
10. Electric regulating valve 11, temperature and humidity sensor 12, conical cyclone tube 13, condensation plate 13', baffling tube 14, air inlet tube 15, burner 16, air duct 17 and blower
18. Boiler 19, smoke exhaust pipeline 20, chimney 30 and air outlet pipe
31. The back-burning flue gas moisture eliminating device 32, the partition plate 33 and the spiral air guide groove
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to specific embodiments.
As shown in fig. 1 to 5, an embodiment of the present invention provides a low-nitrogen back-combustion flue gas moisture eliminating device for a boiler combustion engine, which includes a box body 2, an air inlet pipe 14, an air outlet pipe 30, and a condenser pipe 4, wherein one end of the air inlet pipe 14 is connected to a first end of the box body 2, the other end of the air inlet pipe 14 is connected to one end of a first pipeline 1, and one end of the first pipeline 1, which is far away from the air inlet pipe, is used for connecting to a chimney 20; one end of the air outlet pipe 30 is connected with the second end of the box body 2, the other end of the air outlet pipe 30 is connected with one end of a second pipeline 5, and one end, far away from the air outlet pipe, of the second pipeline 5 is used for being connected with a burner; the condenser pipe 4 is arranged in the box body 2 and is coaxial with the air inlet pipe, a condensation water channel is arranged on the condenser pipe 4, one end of the condenser pipe is provided with an inlet pipe 3 communicated with a water inlet of the condensation water channel, the other end of the condenser pipe is provided with an outlet pipe 6 communicated with a water outlet of the condensation water channel, and the inlet pipe and the outlet pipe are respectively connected with a cooling water supply system; the bottom of box is provided with water catch bowl 7, the water catch bowl with be provided with baffle 32 between the condenser pipe, be provided with the hole that leaks on the baffle 32, the one end of water catch bowl 7 is provided with drain pipe 8.
The embodiment of the utility model provides a low nitrogen of boiler combustor back-fire flue gas moisture remove device, it is when using, make the back-fire flue gas through first pipeline 1, box 2, second pipeline 5 reachs the combustor, when the back-fire flue gas passes through box 2, utilize condenser pipe 4 in box 2 to cool off the back-fire flue gas, make the moisture in the back-fire flue gas condense into the water droplet and flow into in water catch bowl 7 through the hole that leaks on baffle 32, then discharge by the drain pipe, thereby make the moisture in the back-fire flue gas reduced widely, and then the phenomenon that the comdenstion water spills over around having avoided the combustor betterly.
In another embodiment provided by the embodiment of the present invention, the device for eliminating moisture in low-nitrogen flashback flue gas of a boiler burner further comprises a condensation plate 13, wherein a plurality of baffling pipes 13' are vertically arranged on the condensation plate 13; the condensation plate 13 is obliquely arranged on the inner wall of the upper part of the outlet pipe rightwards. By adopting the scheme, the baffling pipe 13' on the condensing plate 13 can effectively increase the contact area with the flue gas, thereby achieving better cooling effect and enabling the moisture in the flue gas to be condensed into water drops; simultaneously, when the flue gas flows out the box, can assault on the condensing panel for the moisture analysis in the flue gas goes out, and because the condensing panel slope sets up, when the flue gas flows through from the baffling pipe, moisture in the flue gas will strike on the inner wall of baffling pipe and separate and then condense into the water droplet with the flue gas, thereby can reduce the moisture in the flue gas more effectively. It will be appreciated that the baffle tubes are disposed through the condensing plate as shown in fig. 5.
It may be preferred that the baffle pipes 13' are evenly distributed on the condensation plate 13. The outside air can link to each other with the outlet duct through the pipeline, and the gas outlet of this pipeline is towards the condensing panel to strike the condensing panel through the outside air, so that the condensing panel keeps the cooling, thereby make the condensing panel have better cooling effect to the flue gas that backflows always.
Specifically, the outlet pipe is obliquely arranged on the second end of the box body upwards, so that condensed water drops can conveniently flow the lower inner wall of the outlet pipe into the water collecting tank of the box body.
Further, the device for eliminating moisture in low-nitrogen flashback flue gas of the boiler burner provided by the embodiment of the invention further comprises a conical cyclone tube 12 arranged in the air inlet pipe, wherein the conical cyclone tube 12 and the air inlet pipe 14 are coaxially arranged; the end of the conical cyclone tube 12 with larger diameter is far away from the box body. By adopting the scheme, the flow velocity of the backflash smoke before entering the box body can be increased by utilizing the conical cyclone tube. As shown in fig. 3, it is preferable that three spiral wind-guiding grooves 33 are uniformly distributed on the inner wall of the cyclone tube.
Specifically, the conical cyclone tube 12 is a conical cyclone tube with an adjustable diameter, so that the increase of the flow speed of the back-burning flue gas can be conveniently adjusted, and the condensation tube and the condensation plate 13 can better exert a cooling effect. It can be understood that, at this time, only the conical cyclone tube has the function of adjusting the diameter, and the specific structure of the conical cyclone tube is not limited; when the diameter of one end of the conical cyclone tube close to the box body is reduced, the increase of the flow speed of the back-burning flue gas is large; when the diameter of one end of the conical cyclone pipe close to the box body is increased, the increase of the flow speed of the back-burning flue gas is smaller.
Further, an electric regulating valve 10 is arranged on the water inlet pipe 3, a temperature and humidity sensor 11 is arranged on the air outlet pipe 30, and the electric regulating valve 10 and the temperature and humidity sensor 11 are respectively and electrically connected with a controller. By adopting the scheme, the temperature and humidity information of the cooled back-burning flue gas is transmitted to the controller by the temperature and humidity sensor 11, and the controller controls the opening size of the electric regulating valve 10 according to the information, so that the cooling effect of the condensing pipe is adjusted, and the temperature and humidity of the back-burning flue gas meet the requirement. It will be appreciated that the temperature and humidity sensor 11 is located to the right of the cold plate.
Preferably, the water discharge pipe 8 is provided with a switch valve 9.
Further, a liquid level sensor 7 'is arranged in the water collection tank 7, the switch valve 9 is an electromagnetic valve, the liquid level sensor 7' and the switch valve 9 are respectively and electrically connected with the controller, so that water level information in the water collection tank is transmitted to the controller through the liquid level sensor, and when the water level in the water collection tank reaches a set liquid level, the controller controls the electromagnetic valve to be opened, so that condensed water collected in the water collection tank 7 is discharged through a drain pipe or is collected in a collector in a concentrated mode.
Specifically, the partition plate 32 is a V-shaped plate, and the water leakage holes are located at the tip end of the partition plate 32, so that water drops condensed from the flashback flue gas can conveniently flow into the water collection tank 7 through the partition plate. It may be preferred that the tank, the cold plate and the baffle be made of stainless steel.
The embodiment of the utility model provides a boiler burner low-nitrogen back-burning flue gas moisture eliminating device's simple structure, in winter gas boiler low-nitrogen transformation use, 15% back-burning flue gas mixes with outside cold air and forms the gas mixture, can make the gas mixture temperature remain throughout between 19 ℃ to 25 ℃, thereby solved the back-burning flue gas and easily produced the problem of comdenstion water overflow because of the difference in temperature, make gas boiler eliminate the comdenstion water and spill over the potential harm that brings for boiler and control electricity when reducing nitrogen oxide, let the user safer; moreover, the surrounding environment of the boiler is clean, tidy and beautiful, the working efficiency of the boiler can be improved, and the safety problem existing in the operation process of the boiler can be effectively solved. The utility model discloses can play the prevention and cure effect better to the influence that produced comdenstion water caused to equipment in the boiler field low-nitrogen boiler transformation such as mill, power plant, central heating.
The above are only preferred embodiments of the present invention, and it should be noted that these examples are only used for illustrating the present invention and not for limiting the scope of the present invention, and after reading the content of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalents also fall within the scope defined by the claims attached to the present application.
Claims (10)
1. A low-nitrogen back-combustion flue gas moisture eliminating device of a boiler burner is characterized by comprising a box body, an air inlet pipe, an air outlet pipe and a condensing pipe, wherein one end of the air inlet pipe is connected with a first end of the box body, the other end of the air inlet pipe is connected with one end of a first pipeline, and one end, far away from the air inlet pipe, of the first pipeline is used for being connected with a chimney; one end of the air outlet pipe is connected with the second end of the box body, the other end of the air outlet pipe is connected with one end of a second pipeline, and one end, far away from the air outlet pipe, of the second pipeline is used for being connected with a burner; the condenser pipe is arranged in the box body and is coaxial with the air inlet pipe, a condensed water channel is arranged on the condenser pipe, one end of the condenser pipe is provided with an inlet pipe communicated with a water inlet of the condensed water channel, the other end of the condenser pipe is provided with an outlet pipe communicated with a water outlet of the condensed water channel, and the inlet pipe and the outlet pipe are respectively connected with a cooling water supply system; the bottom of box is provided with the water catch bowl, the water catch bowl with be provided with the baffle between the condenser pipe, be provided with the hole that leaks on the baffle, the one end of water catch bowl is provided with the drain pipe.
2. The boiler burner low-nitrogen flashback flue gas moisture eliminating device according to claim 1, further comprising a condensing plate, wherein a plurality of baffling pipes are vertically arranged on the condensing plate; the condensing plate is obliquely arranged on the inner wall of the upper part of the air outlet pipe rightwards.
3. The boiler burner low-nitrogen flashback flue gas moisture elimination device as set forth in claim 2, wherein each of the baffling tubes is evenly distributed on the condensation plate.
4. The boiler burner low-nitrogen flashback flue gas moisture eliminating apparatus as set forth in claim 2, wherein the outlet duct is provided obliquely upward on the second end of the box.
5. The boiler burner low-nitrogen flashback flue gas moisture eliminating device according to claim 1, further comprising a conical cyclone tube disposed in the inlet duct, the conical cyclone tube being disposed coaxially with the inlet duct; the end with larger diameter on the conical cyclone tube is far away from the box body.
6. The boiler burner low-nitrogen flashback flue gas moisture eliminating apparatus as claimed in claim 5, wherein the conical cyclone tube is a conical cyclone tube with adjustable diameter.
7. The low-nitrogen back-combustion flue gas moisture eliminating device of the boiler burner as recited in claim 1, wherein an electric regulating valve is arranged on the water inlet pipe, a temperature and humidity sensor is arranged on the air outlet pipe, and the electric regulating valve and the temperature and humidity sensor are respectively and electrically connected with the controller.
8. The boiler burner low-nitrogen flashback flue gas moisture eliminating device according to claim 1, wherein a switch valve is arranged on the drain pipe.
9. The boiler burner low-nitrogen flashback flue gas moisture eliminating device according to claim 8, wherein a liquid level sensor is arranged in the water collecting tank, the switch valve is an electromagnetic valve, and the liquid level sensor and the switch valve are respectively and electrically connected with a controller.
10. The boiler burner low-nitrogen flashback flue gas moisture eliminating device according to any one of claims 1 to 9, wherein the partition plate is a V-shaped plate, and the water leakage holes are located at the tip end of the partition plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121085733.1U CN215196210U (en) | 2021-05-17 | 2021-05-17 | Low-nitrogen back-combustion flue gas moisture eliminating device of boiler burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121085733.1U CN215196210U (en) | 2021-05-17 | 2021-05-17 | Low-nitrogen back-combustion flue gas moisture eliminating device of boiler burner |
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| Publication Number | Publication Date |
|---|---|
| CN215196210U true CN215196210U (en) | 2021-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121085733.1U Active CN215196210U (en) | 2021-05-17 | 2021-05-17 | Low-nitrogen back-combustion flue gas moisture eliminating device of boiler burner |
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| CN (1) | CN215196210U (en) |
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2021
- 2021-05-17 CN CN202121085733.1U patent/CN215196210U/en active Active
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