CN208671045U - A kind of flue gas overtemperature chain control device - Google Patents
A kind of flue gas overtemperature chain control device Download PDFInfo
- Publication number
- CN208671045U CN208671045U CN201821208995.0U CN201821208995U CN208671045U CN 208671045 U CN208671045 U CN 208671045U CN 201821208995 U CN201821208995 U CN 201821208995U CN 208671045 U CN208671045 U CN 208671045U
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- Prior art keywords
- flue
- way valve
- water tank
- group
- heat exchange
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Abstract
The utility model relates to Flue Gas Control Technology fields, disclose a kind of flue gas overtemperature chain control device, including gas flue, the gas flue sets multiple groups, the output end of gas flue described in each group is fixedly connected to the first three-way valve, and connection flue is fixedly connected at two groups of valve ports of the first three-way valve described in each group, pass through the first three-way valve and the second three-way valve, and connection flue and heat exchange fume pipe are all connected between two groups of valve ports of the first three-way valve and the second three-way valve, so that one group of flue inner cavity due to impurity adheres to it is more influence with water tank in water carry out heat exchange when, single-chip microcontroller controls the first three-way valve and open valve port is closed in the work of the second three-way valve, the valve port of closing is opened, so that flue gas enters another group of heat exchange fume pipe and carries out heat exchange, the solid for effectively preventing flue surrounding side wall is miscellaneous The problem of matter is thicker, and a large amount of fume afterheats are not utilized effectively.
Description
Technical field
The utility model relates to flue-gas temperature control technology field, specially a kind of flue gas overtemperature chain control device.
Background technique
Nearly ten years, due to energy shortage, as energy conservation is further carried out.It is various novel, energy conservation advanced type of furnace day
Become perfect, and after using the high-quality thermal insulation materials such as refractory fibre stove radiation loss is decreased obviously.Using advanced
Burner enhances burning, reduces imperfect combustion amount, and air-fuel ratio also tends to be reasonable.It becomes estranged however, reducing exhaust gas heat loss
The technology of Mist heat recovering is still in progress unhappy.In order to further increase the thermal efficiency of kiln, achieve the purpose that energy-saving, returns
Receiving fume afterheat is also an important energy saving way.Utilization rate in order to improve fume afterheat factory more next at present is all in cigarette
Water tank is arranged in the outside in road, is exchanged heat using flue gas to it, to realize the effect heated to water, the water after heating not only may be used
It to provide industrial hot water for production in factory, while may be worker's offer domestic hot-water in factory, be effectively utilized fume afterheat,
But due to often containing solid impurity in industrial smoke, fraction solids impurity can be attached to the surrounding side wall of flue when flue gas is discharged
On, after long-time, the solid impurity of flue surrounding side wall can be increasingly thicker, so that the water influenced in flue and water tank carries out hot friendship
It changes, so that the flue-gas temperature of chimney discharge is higher, so that a large amount of fume afterheats be caused not to be utilized effectively.For this purpose, we mention
Go out a kind of flue gas overtemperature chain control device to come into operation, to solve the above problems.
Utility model content
The purpose of this utility model is to provide a kind of flue gas overtemperature chain control devices, to solve in above-mentioned background technique
It is proposed due to often containing solid impurity in industrial smoke, fraction solids impurity can be attached to four sides of flue when flue gas is discharged
On wall, after long-time, the solid impurity of flue surrounding side wall can be increasingly thicker, thus influence water in flue sidewall and water tank into
Row heat exchange, so that the flue-gas temperature of chimney discharge is higher, thus the problem of causing a large amount of fume afterheats not to be utilized effectively.
To achieve the above object, the utility model provides the following technical solutions: a kind of spraying device of desulfurizing tower, including flue gas
Road, the gas flue set multiple groups, and the output end of gas flue described in each group is fixedly connected to the first three-way valve, and each group institute
It states and is fixedly connected to connection flue at two groups of valve ports of the first three-way valve, the right end that flue is connected described in each group is equipped with water
Case, the water tank cavity is uniformly equidistantly equipped with heat exchanger tube, and the inner cavity of heat exchanger tube described in each group is arranged with heat exchange fume pipe,
And the left end for the fume pipe that exchanges heat described in each group connect flue with each group respectively and is fixedly connected, the right end of the water tank is equipped with and each group
One-to-one second three-way valve of first three-way valve, the two of the close water tank side of the second three-way valve described in each group
Group valve port is fixedly connected with heat exchange fume pipe, and the top of second three-way valve is equipped with discharge flue, the described in each group
Valve port of two three-way valves far from water tank side is connected with discharge flue, and the outer layer top of the discharge flue is equipped with cigarette
Chimney, the inner cavity of the discharge flue are fixedly installed with temperature sensor, and the top of the discharge flue is in series with third triple valve
Door, the left side of the chimney are equipped with the second water tank, and the inner cavity of second water tank is equipped with heat exchange identical with water tank cavity structure
Pipe and heat exchange fume pipe, the right end and third three-way valve of the heat exchange fume pipe of second water tank cavity are close to the right side of chimney
Valve port be fixedly connected, the left end nozzle of the heat exchange fume pipe of second water tank cavity is fixedly connected with reflux flue, and institute
The outlet end for stating reflux flue is connected with chimney.
Further, water pipe is connected between the bottom end of second water tank and the top of water tank, and the water pipe is connected
There is water pump.
Further, first three-way valve, the second three-way valve and third three-way valve are electric three passes valve,
First three-way valve, the second three-way valve and third three-way valve and temperature sensor are electrically connected with single-chip microcontroller, institute
State the model AT89C52 of single-chip microcontroller.
Further, the lateral wall of the heat exchanger tube is uniformly equidistantly equipped with integrally formed fin, and exchange heat fume pipe
The intracavity sidewall of lateral wall and heat exchanger tube fits.
Further, the temperature sensor selects pt100 temperature sensor, the heat exchange fume pipe with connect flue and
Second three-way valve is fixedly connected by flange.
Part is not directed in the device to be the same as those in the prior art or can be realized by using the prior art.
The utility model has the beneficial effects that by the first three-way valve and the second three-way valve, and in the first three-way valve
Be all connected between two groups of valve ports of the second three-way valve connection flue and heat exchange fume pipe so that one group of flue inner cavity due to
When the water that impurity adheres in more influence and water tank carries out heat exchange, single-chip microcontroller controls the first three-way valve and the second three-way valve
Open valve port is closed in work, and the valve port of closing is opened, so that flue gas enters another group of heat exchange fume pipe and carries out heat exchange, is had
The solid impurity that effect avoids flue surrounding side wall is thicker, and the water influenced in flue sidewall and water tank carries out heat exchange, so that cigarette
The flue-gas temperature of chimney discharge is higher, thus the problem of causing a large amount of fume afterheats not to be utilized effectively.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon.
Fig. 1 is the utility model structure diagram；
Fig. 2 is the utility model heat transfer tube structure diagram；
Fig. 3 is the utility model principle block diagram.
Figure label explanation: 1 gas flue, 2 first three-way valves, 3 water tanks, 31 heat exchanger tubes, 311 fins, 4 heat exchange flue gases
Pipe, 41 connection flues, 5 second three-way valves, 51 discharge flues, 6 temperature sensors, 7 third three-way valves, 8 chimneys, 9 second
Water tank, 10 water pipes, 11 water pumps, 12 reflux flues.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment, based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of flue gas overtemperature chain control device, including
Gas flue 1, the gas flue 1 set multiple groups, and the output end of gas flue 1 described in each group is fixedly connected to the first three-way valve 2,
And connection flue 41 is fixedly connected at two groups of valve ports of the first three-way valve 2 described in each group, connection flue 41 described in each group
Right end be equipped with water tank 3,3 inner cavity of water tank is uniformly equidistantly equipped with heat exchanger tube 31, and the inner cavity of heat exchanger tube 31 described in each group
It is arranged with heat exchange fume pipe 4, and the left end for the fume pipe 4 that exchanges heat described in each group connect flue 41 with each group respectively and is fixedly connected,
The right end of the water tank 3 be equipped with one-to-one second three-way valve 5 of the first three-way valve 2 described in each group, the described in each group
Two groups of valve ports of the close water tank side of two three-way valves 5 are fixedly connected with heat exchange fume pipe 4, second three-way valve 5
Top be equipped with discharge flue 51, the second valve port of the three-way valve 5 far from water tank side described in each group with discharge flue 51
It is connected, the outer layer top of the discharge flue 51 is equipped with chimney 8, and the inner cavity of the discharge flue 51 is fixedly installed with temperature biography
Sensor 6, the top of the discharge flue 51 are in series with third three-way valve 7, and the left side of the chimney 8 is equipped with the second water tank 9, institute
The inner cavity for stating the second water tank 9 is equipped with heat exchanger tube 31 identical with 3 inner-cavity structure of water tank and heat exchange fume pipe 4, second water tank 9
Valve port of the right end of the heat exchange fume pipe 4 of inner cavity with third three-way valve 7 close to the right side of chimney 8 is fixedly connected, and described second
The left end nozzle of the heat exchange fume pipe 4 of 9 inner cavity of water tank is fixedly connected with reflux flue 12, and the outlet end of the reflux flue 12
It is connected with chimney 8.
Wherein, water pipe 10 is connected between the bottom end of second water tank 9 and the top of water tank 3, and the water pipe 10 is gone here and there
It is associated with water pump 11, first three-way valve 2, the second three-way valve 5 and third three-way valve 7 are electric three passes valve, institute
It states the first three-way valve 2, the second three-way valve 5 and third three-way valve 7 and temperature sensor 6 is electrically connected with single-chip microcontroller,
The model AT89C52 of the single-chip microcontroller, the lateral wall of the heat exchanger tube 31 are uniformly equidistantly equipped with integrally formed fin
311, the intracavity sidewall of the lateral wall and heat exchanger tube 31 of the heat exchange fume pipe 4 fits, and the temperature sensor 6 is selected
Pt100 temperature sensor, the heat exchange fume pipe 4 with connect flue 41 and the second three-way valve 5 and connect by the way that flange is fixed
It connects.
Working principle of the utility model is: the water heated needed for water tank 3 and the second water tank 9 are injected, by what is be discharged in factory
Flue gas is discharged into the first three-way valve 2 by gas flue 1, is then discharged into one group of connection cigarette by one group of valve port of the first three-way valve 2
Road 41, then enters heat exchange fume pipe 4 through connection flue 41, and the heat of flue gas is transmitted to by the 4 surrounding side wall of fume pipe that exchanges heat
The surrounding side wall of heat exchanger tube 31 is finally transmitted to the water in water tank 3 from the fin 311 in the outside of heat exchanger tube 31, thus to water tank 3
Interior water is heated, while also flue gas cooling down, and then the flue gas after exchanging heat enters the second three-way valve 5, finally
It is discharged into discharge flue 51 from the top nozzle of the second three-way valve 5, by third three-way valve 7 finally from the top of discharge flue 51
End is discharged into the inner cavity of chimney 8, most right to be discharged from the top of chimney 8, and when flue gas passes through temperature sensor 6, temperature sensor 6 can
To incude the flue-gas temperature passed through, then the temperature of induction is transmitted in single-chip microcontroller by temperature sensor 6, and single-chip microcontroller will incude
Temperature compared with preset temperature, when being more than preset temperature, single-chip microcontroller controls the first three-way valve 2 and the second triple valve
Door 5 works, so that the valve port closed is opened, the valve port of opening is closed, so that flue gas enters another group of connection flue 41 and heat exchange
Fume pipe 4, to guarantee to avoid to the water continuous heating in water tank 3 and often contain solid impurity in industrial smoke, flue gas row
Fraction solids impurity can be attached on the surrounding side wall of flue when out, and after long-time, the solid impurity of flue surrounding side wall can be got over
Come it is thicker, so that the water influenced in flue sidewall and water tank 3 carries out heat exchange so that the flue-gas temperature that chimney 8 is discharged is higher, from
And the problem of causing a large amount of fume afterheats not to be utilized effectively, while the heat exchange fume pipe that maintenance personal can will stop working
4 disassemble, to clear up the intracavity sidewall of the heat exchange fume pipe 4 disassembled, when the intracavity sidewall of chimney 8 adsorbs
Impurity it is more when, single-chip microcontroller controls third three-way valve 7 and works so that the top valve port of third three-way valve 7 is closed, a left side
Side valve mouth is opened, so that flue gas enters the heat exchange fume pipe 4 of 9 inner cavity of the second water tank, so that the water with 9 inner cavity of the second water tank carries out
Further cooling to flue gas is realized in heat exchange, while the flue gas to cool down enters the top of chimney 8 by return pipe, finally from
The top of chimney 8 is discharged, then can the surrounding side wall to chimney 8 carry out decontamination, avoid tradition from removing 8 side wall of chimney
Entire smoke evacuation system when impurity in factory all needs to stop working, thus the problem of influencing the production of factory, while heated water
It can be extracted by water pump 11 into water tank 3, effectively increase the utilization efficiency of heat.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, for
For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this
In the case where the spirit or essential attributes of utility model, the utility model can be realized in other specific forms；Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute
Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent elements of the claims
All changes are embraced therein, and should not treat any reference in the claims as limiting related right
It is required that.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (5)
1. a kind of flue gas overtemperature chain control device, it is characterised in that: including gas flue (1), gas flue (1) setting is more
The output end of group, gas flue (1) described in each group is fixedly connected to the first three-way valve (2), and the first triple valve described in each group
Connection flue (41) is fixedly connected at two groups of valve ports of door (2), the right end of connection flue (41) described in each group is equipped with water tank
(3), water tank (3) inner cavity is uniformly equidistantly equipped with heat exchanger tube (31), and the inner cavity of heat exchanger tube described in each group (31) is arranged
There are heat exchange fume pipe (4), and the left end of heat exchange fume pipe (4) described in each group connect flue (41) with each group respectively and is fixedly connected,
The right end of the water tank (3) is equipped with and one-to-one second three-way valve (5) of the first three-way valve (2) described in each group, each group
Two groups of valve ports of the close water tank side of second three-way valve (5) are fixedly connected with heat exchange fume pipe (4), and described second
The top of three-way valve (5) is equipped with discharge flue (51), valve port of the second three-way valve (5) described in each group far from water tank side
It is connected with discharge flue (51), the outer layer top of discharge flue (51) is equipped with chimney (8), the discharge flue (51)
Inner cavity be fixedly installed with temperature sensor (6), it is described discharge flue (51) top be in series with third three-way valve (7), institute
The left side for stating chimney (8) is equipped with the second water tank (9), and the inner cavity of second water tank (9) is equipped with identical as water tank (3) inner-cavity structure
Heat exchanger tube (31) and heat exchange fume pipe (4), the right end and the three or three of the heat exchange fume pipe (4) of the second water tank (9) inner cavity
Valve port of the port valve door (7) close to the right side of chimney (8) is fixedly connected, the heat exchange fume pipe (4) of the second water tank (9) inner cavity
Left end nozzle is fixedly connected with reflux flue (12), and the outlet end of reflux flue (12) is connected with chimney (8).
2. a kind of flue gas overtemperature chain control device according to claim 1, it is characterised in that: second water tank (9)
Bottom end and water tank (3) top between be connected with water pipe (10), and the water pipe (10) is in series with water pump (11).
3. a kind of flue gas overtemperature chain control device according to claim 1, it is characterised in that: first three-way valve
(2), the second three-way valve (5) and third three-way valve (7) are electric three passes valve, first three-way valve (2), second
Three-way valve (5) and third three-way valve (7) and temperature sensor (6) are electrically connected with single-chip microcontroller, the type of the single-chip microcontroller
Number be AT89C52.
4. a kind of flue gas overtemperature chain control device according to claim 1, it is characterised in that: the heat exchanger tube (31)
Lateral wall is uniformly equidistantly equipped with integrally formed fin (311), the lateral wall of heat exchange fume pipe (4) and heat exchanger tube (31)
Intracavity sidewall fit.
5. a kind of flue gas overtemperature chain control device according to claim 1, it is characterised in that: the temperature sensor
(6) select pt100 temperature sensor, the heat exchange fume pipe (4) with connect flue (41) and the second three-way valve (5) passes through
Flange is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821208995.0U CN208671045U (en) | 2018-07-28 | 2018-07-28 | A kind of flue gas overtemperature chain control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821208995.0U CN208671045U (en) | 2018-07-28 | 2018-07-28 | A kind of flue gas overtemperature chain control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208671045U true CN208671045U (en) | 2019-03-29 |
Family
ID=65832045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821208995.0U Active CN208671045U (en) | 2018-07-28 | 2018-07-28 | A kind of flue gas overtemperature chain control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208671045U (en) |
-
2018
- 2018-07-28 CN CN201821208995.0U patent/CN208671045U/en active Active
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