CN212080395U - Flue gas on-off device, discharge flue and smoke exhaust system - Google Patents
Flue gas on-off device, discharge flue and smoke exhaust system Download PDFInfo
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- CN212080395U CN212080395U CN202020765829.1U CN202020765829U CN212080395U CN 212080395 U CN212080395 U CN 212080395U CN 202020765829 U CN202020765829 U CN 202020765829U CN 212080395 U CN212080395 U CN 212080395U
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Abstract
The utility model discloses a flue gas break-make device, discharge flue and system of discharging fume, include: the liquid seal part (1), the liquid seal part (1) is communicated with the flue (2), and the highest liquid level of sealing liquid in the liquid seal part (1) is lower than the bottom end of the flue (2); the baffle (3) is arranged in the flue (2), extends into the liquid seal part (1), and forms a liquid seal structure with liquid in the liquid seal part (1); wherein the liquid seal (1) comprises: the water outlet pipe (11), the water outlet pipe (11) is arranged at the bottom end of the liquid seal part (1); the height that intake pipe (12) set up is less than the height of flue (2) bottom. The utility model discloses a flue gas on-off device can keep apart flue gas and comdenstion water, the simple flue gas of control completely, prevents that the flue gas from backward irritating, and the device also does not worry the corruption flue and other equipment of flue gas comdenstion water simultaneously.
Description
Technical Field
The utility model relates to a fume emission technical field, in particular to flue gas on-off device, discharge flue and system of discharging fume.
Background
In many situations, a plurality of flues are collected into one flue, such as flues in a plurality of boilers and heat pump waste heat recovery systems and flues of original boilers. In this case, a state in which a part of the flues is started and a part of the flues is stopped may occur, and at this time, a flue gas valve needs to be installed on each flue to close the stopped flue, thereby preventing the flue gas of other flues from entering. The conventional valve can cause a small amount of flue gas to enter the stopped flue and spread to the combustion chamber, and along with the reduction of the temperature of the flue gas, water vapor in the flue gas can be condensed, and condensed water absorbs acidic substances in the flue gas to form acidic water which can damage the flue, the combustion chamber and the combustor. Conventional smoke valves are therefore not perfect in protecting such multi-duct systems. In addition, in order to prevent corrosion of condensed water, the conventional valve also needs to adopt materials resistant to acid corrosion, and the overall price of the valve is high.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
The utility model aims at providing a flue gas on-off device, discharge flue and smoke exhaust system are in order to solve the flue gas and irritate, corrode the technical problem of equipment.
(II) technical scheme
In order to solve the above problem, a first aspect of the present invention provides a flue gas on-off device, including: the liquid seal part is communicated with the flue, and the highest liquid level of sealing liquid in the liquid seal part is lower than the bottom end of the flue; the baffle is arranged in the flue, extends into the liquid seal part and forms a liquid seal structure with liquid in the liquid seal part; wherein the liquid seal portion includes: the water outlet pipe is arranged at the bottom end of the liquid seal part; the height that the oral siphon set up is less than the height of flue bottom.
Further, still include: the water condensing pipe is arranged in the liquid seal part, and the height of the water condensing pipe is higher than that of the bottom end of the baffle.
Further, the water condensation pipe is provided with a trap for preventing the smoke from being discharged from the water condensation pipe.
Furthermore, a plurality of drain pipes are arranged at different heights of the liquid seal box, the height of each drain pipe is lower than that of the bottom end of the baffle, and a valve is arranged on each drain pipe; the water discharge pipe is connected to the water condensation pipe and used for adjusting the circulation area of the smoke channel.
Further, the water inlet pipe is provided with a valve for controlling the water injection amount and preventing sealing liquid or smoke from being discharged through the water inlet pipe.
Furthermore, the water outlet pipe is communicated with the water condensing pipe and used for discharging the liquid seal water from the water outlet pipe when the flue is completely communicated.
Furthermore, a valve is arranged on the water outlet pipe and used for controlling the liquid seal water to be discharged from the water outlet pipe.
Further, still include: the water tank is communicated with the water inlet pipe and the water outlet pipe respectively; and a water pump is arranged between the water tank and the water inlet pipe.
According to another aspect of the utility model, a discharge flue is provided, including the flue gas on-off device of any one of above-mentioned scheme.
According to another aspect of the present invention, there is provided a smoke discharging system comprising the smoke on-off device of any one of the above aspects.
(III) advantageous effects
The above technical scheme of the utility model has following profitable technological effect:
the utility model discloses a flue gas on-off device can keep apart flue gas and comdenstion water, the simple flue gas of control completely, prevents that the flue gas from backward irritating, and the device also does not worry the corruption flue and other equipment of flue gas comdenstion water simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of a flue gas on-off device according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of a smoke on-off device according to another embodiment of the present invention.
Fig. 3 is a schematic structural view of a smoke on-off device according to still another embodiment of the present invention.
Reference numerals:
1: a liquid seal section; 11: a water outlet pipe; 12: a water inlet pipe; 13: a drain pipe; 2: a flue; 3: a baffle plate; 4: a water condensation pipe; 41: a water trap; 5: a valve; 6: a water tank; 7: and (4) a water pump.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
A schematic diagram of a layer structure according to an embodiment of the invention is shown in the drawing. The figures are not drawn to scale, wherein certain details are exaggerated and possibly omitted for clarity. The shapes of various regions, layers, and relative sizes and positional relationships therebetween shown in the drawings are merely exemplary, and deviations may occur in practice due to manufacturing tolerances or technical limitations, and a person skilled in the art may additionally design regions/layers having different shapes, sizes, relative positions, as actually required.
It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
The invention will be described in more detail below with reference to the accompanying drawings. Like elements in the various figures are denoted by like reference numerals. For purposes of clarity, the various features in the drawings are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of a flue gas on-off device according to an embodiment of the present invention.
As shown in fig. 1, in an embodiment of the present invention, a smoke on-off device is provided, including: the liquid seal part 1 is communicated with the flue 2, and the highest liquid level of sealing liquid in the liquid seal part 1 is lower than the bottom end of the flue 2; the baffle 3 is arranged in the flue 2, extends into the liquid seal part 1 and forms a liquid seal structure with liquid in the liquid seal part 1; wherein, liquid seal portion 1 includes: the water outlet pipe 11 is arranged at the bottom end of the liquid seal part 1; the height of the water inlet pipe 12 is lower than that of the bottom end of the flue 2. The utility model discloses a flue gas on-off device can keep apart flue gas and comdenstion water, the simple flue gas of control completely, prevents that the flue gas from backward irritating, and the device also does not worry the corruption flue and other equipment of flue gas comdenstion water simultaneously. A liquid seal part 1 is arranged below the flue 2, a baffle 3 is arranged in the middle, the upper part and two sides of the baffle are completely welded with the flue 2, and the lower part of the baffle extends into the liquid seal part 1. The size of the liquid seal part 1 is determined by the flow rate of flue gas, the length of the baffle 3 is determined by the front-back pressure difference of the flue 2, the depth of the lower edge of the baffle 3, which is lower than the bottom of the flue 2, is at least higher than the liquid level difference formed by the pressure difference of the front-back flue 2, and sealing liquid in the liquid seal box is prevented from entering the flue 2.
In an optional embodiment, the method may further include: and the water condensation pipe 4 is arranged in the liquid seal part 1, and the height of the water condensation pipe 4 is higher than that of the bottom end of the baffle 3. Set up a condenser pipe 4, a outlet pipe 11 and a oral siphon 12 in the liquid seal portion 1, wherein install the liquid seal on the condenser pipe 4, can set up in the liquid seal portion 1, also can set up outside the liquid seal portion 1, prevent that the flue gas can directly flow out from condenser pipe 4. And the water outlet pipe 11 and the water inlet pipe 12 are provided with valves 5 for controlling the starting and stopping of the flue gas channel.
In an alternative embodiment, the water condensation tube 4 is provided with a trap 41 for preventing the discharge of flue gases from the water condensation tube 4.
Fig. 2 is a schematic structural view of a smoke on-off device according to another embodiment of the present invention.
As shown in fig. 2, in an alternative embodiment, a plurality of drainage pipes 13 are arranged at different heights of the liquid seal part 1, the heights of the drainage pipes 13 are all lower than the height of the bottom end of the baffle 3, a valve 5 is arranged on each drainage pipe 13, and the drainage pipes 13 are connected to the water condensation pipe 4 and used for adjusting the flowing area of the flue gas channel. The valves 5 are arranged at different positions of the liquid seal part 1, and the flow area of the flue gas channel can be controlled by opening and closing the valves 5, so that the flow of the flue gas can be controlled, and an adjustable device is formed.
In an alternative embodiment, the water inlet pipe 12 is provided with a valve 5 for controlling the amount of water to be injected and preventing the sealing liquid or the smoke from being discharged through the water inlet pipe 12. The valve 5 on the water inlet pipe 12 is opened when the sealing liquid is injected, and is closed after the sealing liquid is enough
In an alternative embodiment, the water outlet pipe 11 is communicated with the water condensation pipe 4, and the liquid seal water is discharged from the water outlet pipe 11 when the flue 2 is completely communicated.
In an alternative embodiment, a valve 5 is disposed on the water outlet pipe 11 for controlling the discharge of the liquid seal water from the water outlet pipe 11. When the valve 5 on the water outlet pipe 11 is opened, no liquid level exists in the liquid seal part 1, and the smoke can flow through the liquid seal part 1; when the valve 5 on the water inlet pipe 12 is opened to the position of the water condensation pipe 4, the flues 2 at the two sides of the flue 2 are isolated, and the flue gas can not flow. When the flue 2 is closed, the water vapor in the flue gas is condensed in the liquid seal part 1, and the excessive water is discharged through the water condensation pipe 4. Thus, the device can completely isolate the smoke and is not influenced by condensed water.
Fig. 3 is a schematic structural view of a smoke on-off device according to still another embodiment of the present invention.
As shown in fig. 3, in an alternative embodiment, the method may further include: the water tank 6 is communicated with the water outlet pipe 11 through the water inlet pipe 12, and the water pump 7 is arranged between the water tank 6 and the water inlet pipe 12. Water for shutting off the flue 2 comes from the water tank and is pumped into the liquid seal part 1 by the water pump 7; the redundant condensed water is discharged through a condensed water pipe 4; the water released when opening the flue 2 is returned to the water tank 6. This system prevents water waste during opening and closing of the flue 2.
In another embodiment of the present invention, there is provided a discharge flue, comprising the flue gas on-off device according to any one of the above aspects.
In another embodiment of the present invention, a smoke discharging system is provided, which comprises the smoke on-off device according to any one of the above aspects.
The utility model aims at protecting a flue gas break-make device, include: the liquid seal part 1 is communicated with the flue 2, and the highest liquid level of sealing liquid in the liquid seal part 1 is lower than the bottom end of the flue 2; the baffle 3 is arranged in the flue 2, extends into the liquid seal part 1 and forms a liquid seal structure with liquid in the liquid seal part 1; wherein, liquid seal portion 1 includes: the water outlet pipe 11 is arranged at the bottom end of the liquid seal part 1; the height of the water inlet pipe 12 is lower than that of the bottom end of the flue 2. The utility model discloses a flue gas on-off device can keep apart flue gas and comdenstion water, the simple flue gas of control completely, prevents that the flue gas from backward irritating, and the device also does not worry the corruption flue and other equipment of flue gas comdenstion water simultaneously.
The above description refers to the embodiments of the present invention. However, these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof. Various alternatives and modifications can be devised by those skilled in the art without departing from the scope of the invention, and these alternatives and modifications are intended to be within the scope of the invention.
Claims (10)
1. A flue gas on-off device, characterized by comprising:
the liquid seal part (1), the liquid seal part (1) is communicated with the flue (2), and the highest liquid level of sealing liquid in the liquid seal part (1) is lower than the bottom end of the flue (2);
the baffle (3) is arranged in the flue (2), extends into the liquid seal part (1), and forms a liquid seal structure with liquid in the liquid seal part (1);
wherein the liquid seal (1) comprises:
the water outlet pipe (11), the water outlet pipe (11) is arranged at the bottom end of the liquid seal part (1);
the height that intake pipe (12) set up is less than the height of flue (2) bottom.
2. The smoke on-off device as claimed in claim 1, further comprising:
the water condensing pipe (4), the water condensing pipe (4) is arranged in the liquid sealing part (1), and the water condensing pipe (4) is arranged at a height higher than that of the bottom end of the baffle (3).
3. The smoke on-off device as claimed in claim 2,
the water condensation pipe (4) is provided with a trap (41) for preventing smoke from being discharged from the water condensation pipe (4).
4. The smoke on-off device as claimed in claim 3,
a plurality of drain pipes (13) are arranged at different heights of the liquid seal part (1), the height of each drain pipe (13) is lower than that of the bottom end of the baffle (3), and a valve (5) is arranged on each drain pipe (13);
the water discharge pipe (13) is connected to the water condensation pipe (4) and used for adjusting the circulation area of the smoke channel.
5. The smoke on-off device according to claim 3 or 4,
and a valve (5) is arranged on the water inlet pipe (12) and used for controlling the water injection amount and preventing sealing liquid or smoke from being discharged through the water inlet pipe (12).
6. The smoke on-off device as claimed in claim 5,
the water outlet pipe (11) is communicated with the water condensing pipe (4) and used for discharging liquid seal water from the water outlet pipe (11) when the flue (2) is completely communicated.
7. The smoke on-off device as claimed in claim 5,
and a valve (5) is arranged on the water outlet pipe (11) and used for controlling the liquid seal water to be discharged from the water outlet pipe (11).
8. The smoke on-off device as claimed in claim 7, further comprising:
the water tank (6), the said water tank (6) is communicated with said inlet pipe (12) and said outlet pipe (11) separately;
a water pump (7) is arranged between the water tank (6) and the water inlet pipe (12).
9. An exhaust flue comprising a flue gas on-off device according to any of claims 1 to 8.
10. A smoke evacuation system comprising a smoke on-off device as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020765829.1U CN212080395U (en) | 2020-05-11 | 2020-05-11 | Flue gas on-off device, discharge flue and smoke exhaust system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020765829.1U CN212080395U (en) | 2020-05-11 | 2020-05-11 | Flue gas on-off device, discharge flue and smoke exhaust system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212080395U true CN212080395U (en) | 2020-12-04 |
Family
ID=73568220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020765829.1U Active CN212080395U (en) | 2020-05-11 | 2020-05-11 | Flue gas on-off device, discharge flue and smoke exhaust system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212080395U (en) |
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2020
- 2020-05-11 CN CN202020765829.1U patent/CN212080395U/en active Active
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