CN208476011U - The cooling flue of flue gas - Google Patents
The cooling flue of flue gas Download PDFInfo
- Publication number
- CN208476011U CN208476011U CN201821016990.8U CN201821016990U CN208476011U CN 208476011 U CN208476011 U CN 208476011U CN 201821016990 U CN201821016990 U CN 201821016990U CN 208476011 U CN208476011 U CN 208476011U
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- water
- flue
- flue gas
- cooling
- inlet
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Abstract
The utility model provides a kind of cooling flue of flue gas, it includes at least two water supply devices for setting gradually and can be removably mounted the pipeline section of connection and capable of being sheathed on each pipeline section, the tube wall of pipeline section is made of more compact arranged heat exchanger tubes, water supply device includes at least the water-inlet header being connected to the sealing of the first end of each heat exchanger tube and goes out water manifold with what the sealing of the second end of each heat exchanger tube was connected to, water-inlet header is equipped at least one water inlet, and water manifold is equipped at least one water outlet out.The cooling flue of flue gas provided by the utility model, by the way that the pipeline for being used to be connected to electric furnace and expansion chamber is divided into multiple pipeline sections, and water supply device is arranged on each pipeline section, water supply device forms independent water circulation on pipeline section, cooling effect is improved, efficiently solves because abrasion and cooling effect are bad, flue is caused to generate deformation, the problem of influencing service life, to ensure that the service life of the cooling flue of flue gas.
Description
Technical field
The utility model relates to electric furnace flue gas heat recovery technology field, in particular to a kind of cooling flue of flue gas.
Background technique
Currently, having become mainstream using waste heat recycling to flue gas of electric furnace.After electric furnace flue gas is drawn by four holes, pass through
Flue gas is introduced expansion chamber by bend pipe flue.Bend pipe flue generally uses whole one section, and steam/water circulating mostly uses forced circulation.
Since operating condition is very severe at bend pipe flue entrance, and flue gas flow rate and smoke temperature are very high, cause bend pipe flue usually because abrasion and it is cold
But effect is bad and generate deformation, has a greatly reduced quality so as to cause service life.
Utility model content
The purpose of the utility model is to provide a kind of cooling flues of the flue gas that can be improved flue service life.
In order to achieve the above object, the utility model provides a kind of cooling flue of flue gas comprising at least two successively
The water supply device for being arranged and can be removably mounted the pipeline section of connection and capable of being sheathed on each pipeline section, the tube wall of the pipeline section is by more
The compact arranged heat exchanger tube of root is constituted, the water supply device include at least be connected to the sealing of the first end of each heat exchanger tube into
Water manifold and the water manifold out being connected to the sealing of the second end of each heat exchanger tube, the water-inlet header are equipped at least one
A water inlet, the water manifold out are equipped at least one water outlet.
The cooling flue of flue gas as described above, wherein the water supply device further includes with water manifold, the water inlet
It is connected with connection short tube, it is described to be connected by the connection short tube with the water-inlet header with water manifold.
The cooling flue of flue gas as described above, wherein multiple water inlets are equipped at intervals on the water-inlet header.
The cooling flue of flue gas as described above, wherein multiple water inlets are arranged at equal intervals.
The cooling flue of flue gas as described above, wherein it is described match be connected at least one water inlet pipe on water manifold, it is described
Water outlet is connected with outlet pipe.
The cooling flue of flue gas as described above, wherein the heat exchanger tube include the inlet segment set gradually, restriction portion and
Heat exchanging segment, the internal diameter of the inlet segment are less than the internal diameter of the heat exchanging segment, and the restriction portion is changed described in as the inlet segment
Hot arc is in expanding shape, and the inlet segment is connected to water-inlet header sealing, and the heat exchanging segment and the sealing of water manifold out connect
It is logical.
The cooling flue of flue gas as described above, wherein be set on the pipeline section of end and be arranged with for connecting electricity
The movable sliding sleeve of furnace.
The cooling flue of flue gas as described above, wherein the flue gas is cooling to include two pipeline sections, two institutes with flue
It states two be arranged on pipeline section the water manifold out to be disposed adjacent, and two pipeline sections connect by going out water manifold described in two.
The cooling flue of flue gas as described above, wherein the water manifold out is equipped with connecting flange, the two water outlets connection
Case is connected by two connecting flanges.
The cooling flue of flue gas as described above, wherein asbestos cord or gold are equipped at the interface of two connecting flanges
Belong to cladding gasket.
Compared with prior art, as follows the advantages of the utility model:
The cooling flue of flue gas provided by the utility model is more by the way that the pipeline for being used to be connected to electric furnace and expansion chamber to be divided into
A pipeline section, and water supply device is arranged on each pipeline section, water supply device forms independent water circulation on pipeline section, improves cooling effect
Fruit efficiently solves because abrasion and cooling effect are bad, the problem of causing flue to generate deformation, influence service life, to protect
The service life of the cooling flue of flue gas is demonstrate,proved;
The cooling flue of flue gas provided by the utility model, each pipeline section pass through the connecting flange energy being arranged on water manifold out
The connection of dismounting is easy to the disassembly and maintenance of water supply device, so that flue gas is cooling to become simple with flue disassembly and maintenance
It is convenient;
The cooling flue of flue gas provided by the utility model, by the way that restriction portion is arranged in heat exchanger tube, so that water-inlet header
Interior cooling water is capable of forming uniform water flow and flows into each heat exchanger tube.
The cooling flue of flue gas provided by the utility model, by connecting outlet pipe in water outlet, so that the height formed
Warm water can be entered easily in drum or flash tank with output steam.
Detailed description of the invention
Following drawings are only intended to schematically illustrate and explain the present invention, does not limit the model of the utility model
It encloses.Wherein:
Fig. 1 is the structural schematic diagram of the cooling flue of flue gas of the utility model;
The structural schematic diagram that Fig. 2 is water-inlet header in water supply device, is connected with water manifold with each heat exchanger tube;
Fig. 3 is the schematic cross-sectional view that heat exchanger tube is connect with water-inlet header in Fig. 2;
Fig. 4 is the structural schematic diagram for going out water manifold in water supply device and connecting with each heat exchanger tube;
Fig. 5 is the schematic cross-sectional view that heat exchanger tube is connect with water manifold out in Fig. 4.
Drawing reference numeral explanation:
1, pipeline section;11, heat exchanger tube;111, inlet segment;112, restriction portion;113, heat exchanging segment;2, water supply device;21, it intakes
Header;22, go out water manifold;221, outlet pipe;222, connecting flange;23, match water manifold;231, water inlet pipe;24, short tube is connected;
3, movable sliding sleeve;4, expansion chamber.
Specific embodiment
In order to have clearer understanding to the technical solution of the utility model, purpose and effect, now in conjunction with Detailed description of the invention sheet
The specific embodiment of utility model.
As shown in Figure 1, the utility model provides a kind of cooling flue of flue gas comprising at least two set gradually and
It can be removably mounted the pipeline section 1 of connection and the water supply device 2 that can be sheathed on each pipeline section 1, the tube wall of pipeline section 1 is by more close-packed arrays
Heat exchanger tube 11 constitute, each pipeline section 1 is in turn connected to form the pipeline for the flue gas that circulates, the both ends of pipeline can respectively with electric furnace
(not shown) is connected to the sealing of expansion chamber 4, in use, can successively be connected using the pipeline section of different number 1 according to actual needs
It connects to form the pipeline of different length;Water supply device 2 includes at least the water inlet being connected to the sealing of the first end of each heat exchanger tube 11 and joins
Case 21 and the water manifold 22 out being connected to the sealing of the second end of each heat exchanger tube 11, due to multiple 11 close-packed arrays shapes of heat exchanger tube
At circular tube wall, it is preferred that water-inlet header 21 and out water manifold 22 are in the ring-type concentric with tube wall, in order to be sheathed on
On pipeline section 1, water-inlet header 21 is equipped at least one water inlet, and water manifold 22 is equipped at least one water outlet, cooling water out
Vapour enters water-inlet header 21 via water inlet, is flowed into each heat exchanger tube 11 by water-inlet header 21, exchanges heat in each heat exchanger tube 11
After flow into out water manifold 22, and be discharged via the water outlet of water manifold 22 out, followed to form independent water on each pipeline section 1
Ring.
When in use, cooling water is passed through into water inlet, cooling water enters water-inlet header 21 and flows by water-inlet header 21
Enter in each heat exchanger tube 11, heat exchanger tube 11 in a manner of radiation heat transfer by the heat transfer of flue gas in pipeline section 1 to cooling water, to reduce
The heat of flue gas in pipeline section 1, the cooling water for absorbing flue gas heat form high-temperature water, and high-temperature water converges into out water manifold 22, and passes through
It is discharged by going out water manifold 22, the high-temperature water of discharge can enter output steam in drum or flash tank;
, can be by continuing to water inlet through cooling water during flue gas passes through pipeline section 1, flue gas is changed in realization
Heat, it is of course also possible to use the mode of Vaporizing cooling cools down flue gas.
The cooling flue of flue gas provided by the utility model, by the way that the pipeline for being used to be connected to electric furnace and expansion chamber 4 to be divided into
Multiple pipeline sections 1, and water supply device 2 is arranged on each pipeline section 1, water supply device 2 forms independent water circulation on pipeline section 1, improves
Cooling effect efficiently solves because abrasion and cooling effect are bad, causes flue to generate deformation, influence asking for service life
Topic, to ensure that the service life of the cooling flue of flue gas, and the connection that each pipeline section 1 can be removably mounted, is easy to tearing open for water supply device 2
It unloads and safeguards, so that flue gas is cooling to become simple and convenient with flue disassembly and maintenance.
In a kind of preferred embodiment of the utility model, as shown in Fig. 2, for the ease of into water-inlet header 21
It is passed through cooling water, water supply device 2 further includes with water manifold 23, and water inlet is connected with connection short tube 24, passes through with water manifold 23
Connection short tube 24 is connected with water-inlet header 21, i.e. one end of connection short tube 24 is protruded into in water manifold 23, connects short tube 24
The other end is connected to the inlet seal of water-inlet header 21, and cooling water can be temporarily stored in in water manifold 23, in use, cooling
Water is injected in water-inlet header 21 by connection short tube 24, to avoid directly by cooling water by water-inlet header 21, leads to cooling water
Only the case where circulation part heat exchanger tube 11, occurs.
Further, multiple water inlet (not shown)s are equipped at intervals on water-inlet header 21, that is to say, that along with water manifold
23 are circumferentially with more spaced connection short tubes 24, it is preferred that with water manifold 23 are in mutually to fit with 21 shape of water-inlet header
The ring-type matched is set to water-inlet header 21 far from the side for going out water manifold 22, such structure, so that water distribution joins with water manifold 23
Cooling water in case 23 substantially uniform can enter water-inlet header 21, to ensure that homomergic flow enters cooling in each heat exchanger tube 11
Water.
Further, multiple water inlets are arranged at equal intervals, i.e., more connection short tubes 24 are arranged at equal intervals, this setup,
Each connection short tube 24 can be made more uniform to the supporting force with water manifold 23, be passed through to ensure that with water manifold 23
Stability after cooling water, and can ensure that and can uniformly flow into water-inlet header 21 with the cooling water in water manifold 23, thus really
It has protected homomergic flow in each heat exchanger tube 11 and has entered a certain amount of cooling water.
Further, for the ease of being passed through cooling water into water supply device 2, while being convenient for the discharge of high-temperature water, such as Fig. 2, figure
3, shown in Fig. 4 and Fig. 5, at least one water inlet pipe 231 is connected on water manifold 23, water outlet is connected with outlet pipe 221,
Cooling water is entered by water inlet pipe 231 and matches water manifold 23, and water inlet pipe 231 can be connected with cold water source, so as to water manifold is matched
The operation of injection cooling water becomes simple and convenient in 23, and the high-temperature water formed after heat exchange is discharged by outlet pipe 221, outlet pipe
221 can be connected with drum or flash tank, so that generating the simple to operate of steam using high-temperature water.
In a kind of embodiment of the utility model, as shown in figure 3, heat exchanger tube 11 includes time inlet segment of setting
111, restriction portion 112 and heat exchanging segment 113, the internal diameter of inlet segment 111 are less than the internal diameter of heat exchanging segment 113, and the length of heat exchanging segment 113
Degree is greater than the length of inlet segment 111, and the length of heat exchanging segment 113 is also greater than the length of restriction portion 112, and restriction portion 112 is by inlet segment
111 towards heat exchanging segment 113 be in expanding shape, and the sealing of inlet segment 111 and water-inlet header 21 is connected to, heat exchanging segment 113 and out water manifold 22
Sealing connection, the setting of restriction portion 112, so that the cooling water in water-inlet header 21 could can only pass through throttling under a certain pressure
Section 112 flows into heat exchanging segment 113, and the cooling water avoided into water-inlet header 21 flows directly into neighbouring heat exchanger tube 11, thus
So that the cooling water in water-inlet header 21 is capable of forming uniform water flow and flows into each heat exchanger tube 11.
In a kind of embodiment of the utility model, it is used for as shown in Figure 1, being set to and being arranged on the pipeline section 1 of end
The movable sliding sleeve 3 of electric furnace is connected, movable sliding sleeve 3 can easily connect pipeline section 1 with electric furnace, so that the flue gas that electric furnace generates is logical
It crosses after pipeline section 1 cools down and enters expansion chamber 4, wherein movable sliding sleeve 3 can be existing along the axial movement of the pipeline section 1, movable sliding sleeve 3
Technology, therefore, the specific connection type between the specific structure of movable sliding sleeve 3 and movable sliding sleeve 3 and electric furnace are no longer superfluous herein
It states.
In a kind of embodiment of the utility model, as shown in Figure 1, it with flue includes two pipeline sections 1 that flue gas is cooling, two
Two be arranged on pipeline section 1 go out water manifold 22 and are disposed adjacent, and two pipeline sections 1 go out water manifold 22 by two and connect, i.e. two water supply devices 2
It is symmetrical arranged along the docking of two pipeline sections 1, in this way, convenient for storing the device of cooling water while being passed through into two water supply devices 2 cold
But water is also convenient for recycling the high-temperature water of two water supply devices 2 discharge simultaneously.
Utility model is further, as shown in Figure 1, water manifold 22 is equipped with connecting flange 222 out, two, which go out water manifold 22, passes through
Connecting flange 222 connects, specifically, connecting flange 222 is equipped with connecting hole, passes through correspondence on two connecting flanges by bolt and sets
The through-hole set is screwed on bolt, and two, which go out water manifold, connects, so that two pipeline sections connect and are connected to, the setting of connecting flange 222,
So that the disassembling operations between two pipeline sections 1 are simple and convenient.
Certainly, the connection that each pipeline section 1 can also can be removably mounted by other means, such as: connecting flange is set to each pipeline section
On connection etc. that perhaps connecting flange can be removably mounted with the mating connection of card slot or pipeline section by screw thread by buckle, herein not
It repeats again.
Further, it in order to guarantee the sealing performance connected between each pipeline section 1, is equipped at the interface of two connecting flanges 222
Asbestos cord or metal jacketed gasket, it is close to being carried out at the interface of two connecting flanges 222 by asbestos cord or metal jacketed gasket
The problem of sealing, effectively preventing smoke spillage.
The course of work of the cooling flue of flue gas provided by the utility model is illustrated with reference to the accompanying drawing:
By taking two pipeline sections 1 in embodiment shown in FIG. 1 connect the pipeline to be formed as an example, when in use, according to actually making
The distance between electric furnace and expansion chamber 4 choose the pipeline section for being suitble to length, by each pipeline section 1 by being arranged in water manifold 22 out
On connecting flange 222 connect into the pipeline of internal connection, one end of pipeline passed through into movable sliding sleeve 3 sealed with electric furnace and be connected to,
The other end of pipeline is connected to the sealing of expansion chamber 4, then, by water inlet pipe 231 to cooling water is passed through in water manifold 23, is cooled down
Water passes through the multiple connection short tubes 24 being arranged at equal intervals and enters water-inlet header 21, and under the effect of the restriction portion of heat exchanger tube 11 112
It uniformly flows into each heat exchanger tube 11, heat exchanger tube 11 is in a manner of radiation heat transfer by the heat transfer of flue gas in pipeline section 1 to cooling
Water, to reduce the heat of flue gas in pipeline section 1, the cooling water for absorbing flue gas heat forms high-temperature water, and high-temperature water converges into water outlet connection
It in case 22, and is discharged via outlet pipe 221, the high-temperature water of discharge can enter output steam in drum or flash tank.
In conclusion the cooling flue of flue gas provided by the utility model, by that will be used to be connected to electric furnace and expansion chamber
Pipeline is divided into multiple pipeline sections, and water supply device is arranged on each pipeline section, and water supply device forms independent water circulation on pipeline section, mentions
High cooling effect, efficiently solves because abrasion and cooling effect are bad, causes flue to generate deformation, influence asking for service life
Topic, to ensure that the service life of the cooling flue of flue gas;
The cooling flue of flue gas provided by the utility model, each pipeline section pass through the connecting flange energy being arranged on water manifold out
The connection of dismounting is easy to the disassembly and maintenance of water supply device, so that flue gas is cooling to become simple with flue disassembly and maintenance
It is convenient;
The cooling flue of flue gas provided by the utility model, by the way that restriction portion is arranged in heat exchanger tube, so that water-inlet header
Interior cooling water is capable of forming uniform water flow and flows into each heat exchanger tube.
The cooling flue of flue gas provided by the utility model, by connecting outlet pipe in water outlet, so that the height formed
Warm water can easily enter output steam in drum or flash tank.
The above descriptions are merely exemplary embodiments of the present utility model, the model being not intended to limit the utility model
It encloses.Any those skilled in the art, made equivalent change under the premise of not departing from the conceptions and principles of the utility model
Change and modify, should belong to the range of the utility model protection.And it should be noted that the utility model each component part
It is not limited in above-mentioned overall applicability, each technical characteristic described in the specification of the utility model can select according to actual needs
It selects one and individually uses or select the multinomial use that combines, therefore, the utility model covers and this crime in the nature of things
The related other combinations of bright point and concrete application.
Claims (10)
1. a kind of cooling flue of flue gas, which is characterized in that
The cooling flue of flue gas includes at least two setting gradually and can be removably mounted the pipeline section of connection and can be sheathed on each institute
The water supply device on pipeline section is stated, the tube wall of the pipeline section is made of more compact arranged heat exchanger tubes, and the water supply device is at least
Connect including the water-inlet header being connected to the sealing of the first end of each heat exchanger tube and with the second end sealing of each heat exchanger tube
Logical goes out water manifold, and the water-inlet header is equipped at least one water inlet, and the water manifold out is equipped at least one water outlet
Mouthful.
2. the cooling flue of flue gas according to claim 1, which is characterized in that
The water supply device further includes with water manifold, and the water inlet is connected with connection short tube, described to pass through institute with water manifold
Connection short tube is stated to be connected with the water-inlet header.
3. the cooling flue of flue gas according to claim 2, which is characterized in that
Multiple water inlets are equipped at intervals on the water-inlet header.
4. the cooling flue of flue gas according to claim 3, which is characterized in that
Multiple water inlets are arranged at equal intervals.
5. the cooling flue of flue gas according to claim 2, which is characterized in that
It is described at least one water inlet pipe is connected on water manifold, the water outlet is connected with outlet pipe.
6. the cooling flue of flue gas according to claim 1, which is characterized in that
The heat exchanger tube includes the inlet segment, restriction portion and heat exchanging segment set gradually, and the internal diameter of the inlet segment is less than described change
The internal diameter of hot arc, the restriction portion is by the inlet segment towards the heat exchanging segment in expanding shape, the inlet segment and the water inlet
Header sealing connection, the heat exchanging segment are connected to the sealing of water manifold out.
7. the cooling flue of flue gas according to claim 1, which is characterized in that
It is set to the movable sliding sleeve being arranged on the pipeline section of end for connecting electric furnace.
8. the cooling flue of flue gas according to any one of claim 1 to 7, which is characterized in that
The cooling flue gas with flue includes two pipeline sections, two be arranged on two pipeline sections it is described go out water manifold is adjacent sets
It sets, and two pipeline sections are connected by going out water manifold described in two.
9. the cooling flue of flue gas according to claim 8, which is characterized in that
The water manifold out is equipped with connecting flange, and two water manifolds out are connected by two connecting flanges.
10. the cooling flue of flue gas according to claim 9, which is characterized in that
Asbestos cord or metal jacketed gasket are equipped at the interface of two connecting flanges.
Priority Applications (1)
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CN201821016990.8U CN208476011U (en) | 2018-06-29 | 2018-06-29 | The cooling flue of flue gas |
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CN201821016990.8U CN208476011U (en) | 2018-06-29 | 2018-06-29 | The cooling flue of flue gas |
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CN208476011U true CN208476011U (en) | 2019-02-05 |
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ID=65212063
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108800960A (en) * | 2018-06-29 | 2018-11-13 | 北京京诚科林环保科技有限公司 | Flue gas cooling flue |
-
2018
- 2018-06-29 CN CN201821016990.8U patent/CN208476011U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108800960A (en) * | 2018-06-29 | 2018-11-13 | 北京京诚科林环保科技有限公司 | Flue gas cooling flue |
CN108800960B (en) * | 2018-06-29 | 2024-02-02 | 北京京诚科林环保科技有限公司 | Flue for cooling flue gas |
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