CN216203358U - Incinerator slag discharge port structure - Google Patents
Incinerator slag discharge port structure Download PDFInfo
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- CN216203358U CN216203358U CN202122659380.8U CN202122659380U CN216203358U CN 216203358 U CN216203358 U CN 216203358U CN 202122659380 U CN202122659380 U CN 202122659380U CN 216203358 U CN216203358 U CN 216203358U
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- incinerator
- base body
- discharge port
- slag discharge
- flow guide
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Abstract
The utility model relates to a slag discharge port structure of an incinerator, and belongs to the field of waste liquid discharge. The slag discharge port structure comprises a base body, the base body is arranged on the outer side of the incinerator, and the inner wall of the base body is provided with a refractory material; a constant temperature device is arranged above the base body, and a molten salt outlet is arranged below the base body; one side of the base body, which is close to the incinerator, is provided with a flow guide device, one end of the flow guide device is fixed on the incinerator, and the other end of the flow guide device is communicated to a molten salt outlet. The slag discharge port structure provided by the utility model is arranged outside the incinerator, and by using the constant temperature device, the temperature of the slag discharge port can be kept to be stable above the melting point of sodium salt, the stable flowing discharge of the molten salt is kept, and the temperature of the slag discharge port is not higher than the allowable working temperature of the flow guide device, so that the flow guide device is prevented from being burnt out; the inner wall of the slag discharging port base body is made of refractory materials, so that a good sealing effect can be achieved, leakage of cold air is reduced, and a good sodium salt corrosion resistance effect is achieved.
Description
Technical Field
The utility model relates to a slag discharge port structure of an incinerator, and belongs to the field of waste liquid discharge.
Background
When organic waste liquid containing 4% high-concentration sodium salt (Na 2CO3 and Na2SO 4) is treated by high-temperature incineration, a large amount of molten sodium salt is generated in a hearth, and the molten sodium salt is gathered at the bottom of an incinerator and needs to be continuously discharged from a slag discharge port of the incinerator SO as to maintain the continuous and stable operation of the incinerator.
The traditional slag discharging port is arranged at the bottom of the incinerator, and in an ideal state, molten sodium salt flows out from the bottom, is cooled and crushed by a water-cooling double-screw machine and then is transmitted to a collecting bin.
However, because the hearth of the incinerator is in a micro-negative pressure state, cold air is sucked into the hearth at the slag discharge port, so that the temperature at the slag discharge port is reduced, molten sodium salt ash is lower than the melting point and is easy to solidify, and an exhaust channel is blocked.
And a large amount of sodium salt slag is accumulated in the hearth, so that the heat exchange efficiency of the incinerator can be reduced, the pressure in the hearth is fluctuated, and the refractory pouring material at the bottom of the hearth can be corroded, so that frequent shutdown and repair of the incinerator are caused.
The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide a slag discharge port structure of an incinerator, so as to solve the problems that the slag discharge port is easy to block and a refractory material is easy to corrode in the related art.
In order to solve the technical problems, the utility model is realized by adopting the following technical scheme:
the utility model provides a slag discharge port structure of an incinerator, which comprises a base body, wherein the base body is arranged on the outer side of the incinerator, and a refractory material is arranged on the inner wall of the base body; a constant temperature device is arranged above the base body, and a molten salt outlet is arranged below the base body;
one side of the base body, which is close to the incinerator, is provided with a flow guide device, one end of the flow guide device is fixed on the incinerator, and the other end of the flow guide device is communicated to a molten salt outlet.
Furthermore, the constant temperature device comprises a heating spray gun and an ignition mechanism arranged on the heating spray gun, one end of the constant temperature device is connected with the natural gas pipeline, and the other end of the constant temperature device is connected with the combustion-supporting air pipeline.
Furthermore, a natural gas regulating valve is arranged on the natural gas pipeline, and a combustion-supporting air regulating valve is arranged on the combustion-supporting air pipeline.
Furthermore, a temperature measuring device is arranged above the base body, one end of the temperature measuring device is connected with the base body, and the other end of the temperature measuring device is respectively connected with the constant temperature device, the natural gas regulating valve and the combustion-supporting air regulating valve.
Furthermore, one end of the diversion device connected with the incinerator is provided with a diversion grating plate.
Further, one side of the base body, which is far away from the incinerator, is provided with an observation sight glass.
Further, one side of the base body, which is far away from the incinerator, is provided with an inspection door.
Further, a hanging bracket is fixed above the base body.
Furthermore, the refractory material adopts corundum which is high temperature resistant and resistant to sodium salt corrosion.
Furthermore, the flow guide device and the flow guide grating plate are made of high-temperature-resistant nickel-based alloy steel plates.
Compared with the prior art, the utility model has the following beneficial effects:
the slag discharge port structure provided by the utility model is arranged outside the incinerator, and by using the constant temperature device, the temperature of the slag discharge port can be kept to be stable above the melting point of sodium salt, the stable flowing discharge of the molten salt is kept, and the temperature of the slag discharge port is not higher than the allowable working temperature of the flow guide device, so that the flow guide device is prevented from being burnt out; the inner wall of the slag discharging port base body is made of refractory materials, so that a good sealing effect can be achieved, leakage of cold air is reduced, and a good sodium salt corrosion resistance effect is achieved.
Drawings
FIG. 1 is a schematic structural diagram of a slag discharge hole provided in an embodiment of the utility model;
FIG. 2 is a schematic structural diagram of a thermostat provided in an embodiment of the present invention;
FIG. 3 is a schematic diagram of the position of a slag discharge hole provided by the embodiment of the utility model;
in the figure: 1: a substrate; 2: a thermostatic device; 21: heating the spray gun; 22: an ignition mechanism; 23: a natural gas regulating valve; 24: a combustion air regulating valve; 3: a temperature measuring device; 4: a refractory material; 5: a flow guide device; 6: a flow guide grid plate; 7: an observation sight glass; 8: an inspection door; 9: a hanger frame.
Detailed Description
The utility model is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
As shown in fig. 1, the present embodiment provides an incinerator slag discharging port structure, which includes a base body 1, wherein a thermostat 2 is arranged above the base body 1, and a molten salt outlet is arranged below the base body 1.
Specifically, referring to fig. 3, the slag discharging port base body 1 is arranged on the outer side of the incinerator, and compared with the conventional slag discharging port structure arranged at the bottom of the incinerator, the slag discharging port base body can be more conveniently provided with the constant temperature device 2.
In this embodiment, the substrate 1 is made of an alloy steel material and adopts a fully sealed welding structure, so that a good sealing effect can be achieved to reduce leakage of cold air.
In this embodiment, the inner wall of the substrate 1 is provided with a refractory material 4, specifically, the refractory material 4 is of a multilayer structure, the total thickness is 300-.
In this embodiment, a flow guide device 5 is disposed on one side of the base body 1 close to the incinerator, one end of the flow guide device 5 is fixed on the incinerator, and the other end is communicated to the molten salt outlet.
Specifically, the flow guide device 5 is made of a high-temperature-resistant nickel-based alloy steel plate so as to prolong the service life of the material; the height and the angle of the flow guide device 5 meet the requirement of the self-flowing speed of the molten sodium salt.
In this embodiment, one end of the diversion device 5 connected to the incinerator is provided with a diversion grating plate 6, and specifically, the diversion grating plate 6 is also made of a high temperature resistant nickel-based alloy steel plate to ensure the stability of the molten salt flowing in the diversion plate.
Referring to fig. 2, in the present embodiment, the thermostatic device 2 includes a heating lance 21 and an ignition mechanism 22 installed above the heating lance 21, and one end of the thermostatic device 2 is connected to a natural gas pipeline and the other end is connected to a combustion air pipeline.
The natural gas pipeline is provided with a natural gas regulating valve 23, and the combustion-supporting air pipeline is provided with a combustion-supporting air regulating valve 24.
The temperature measuring device 3 is further arranged above the base body 1, one end of the temperature measuring device 3 is connected with the base body 1, and the other end of the temperature measuring device 3 is respectively connected with the constant temperature device 2, the natural gas regulating valve 23 and the combustion-supporting air regulating valve 24.
Specifically, the temperature measuring device 3 is used for measuring the temperature in the substrate 1, when the temperature in the substrate 1 is detected to be lower than the set sodium salt solidification temperature, the constant temperature device 2 is automatically started, natural gas and combustion-supporting air respectively enter the heating spray gun 21, and ignition and combustion are carried out through the ignition mechanism 22, so that the temperature in the substrate 1 is ensured to be stabilized above the sodium salt melting temperature.
At the moment, the flue gas at the slag discharge port keeps high temperature, molten sodium salt can continuously and stably flow out from the bottom of the hearth, and the hearth cannot be blocked; the incinerator can realize continuous operation without stopping the furnace and removing slag.
Specifically, the temperature measuring device 3 regulates and controls the amount of natural gas and the combustion-supporting air volume entering the heating spray gun 21 according to the measured temperature, and opens the large natural gas regulating valve 23 and the combustion-supporting air regulating valve 24 when the temperature is lower than the set sodium salt solidification temperature; when the temperature exceeds the allowable working temperature of the sodium salt diversion device 5, the natural gas regulating valve 23 and the combustion-supporting air regulating valve 24 are closed to prevent the diversion device 5 from being burnt out due to too high internal temperature of the base body 1. In the embodiment, the opening degrees of the natural gas regulating valve 23 and the combustion-supporting air regulating valve 24 are regulated, so that the temperature is relatively constant.
In order to avoid the shutdown of the thermostatic device 2 due to a failure or error in the temperature measurement, two sets of temperature measuring devices 3 are provided in this embodiment.
In the present embodiment, the thermostatic device 2 employs a molten salt burner; the heating spray gun 21 is connected with a cooling air pipeline, when the heating spray gun 21 stops working, the temperature in the matrix 1 is high due to heat accumulation of the refractory material 4, and the heating spray gun 21 can be protected by cooling air.
In this embodiment, the base body 1 is provided with an observation mirror 7 at a side away from the incinerator, so that the operation state and the sodium salt flow state of the thermostat device 2 can be directly observed from the outside.
Specifically, the observation mirror 7 is also connected with a cooling air pipeline, and the observation mirror 7 is high in temperature and needs continuous cooling of cooling air.
In this embodiment, one side of the base body 1, which is far away from the incinerator, is further provided with an inspection door 8, so that the interior of the slag discharging port can be cleaned on the premise of not damaging the structure of the slag discharging port during shutdown.
In this embodiment, a hanging bracket 9 is further disposed above the base body 1, the other end of the hanging bracket 9 is connected to a steel structure frame of the incinerator, and the weight of the base body 1 can be hung on the steel structure frame through the hanging bracket 9 without acting on the outer wall of the incinerator, so as to increase the stability of the slag discharge port structure.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The incinerator slag discharge port structure is characterized by comprising a base body (1), wherein the base body (1) is arranged on the outer side of an incinerator, and a refractory material (4) is arranged on the inner wall of the base body (1); a constant temperature device (2) is arranged above the base body (1), and a molten salt outlet is arranged below the base body;
one side of the base body (1) close to the incinerator is provided with a flow guide device (5), one end of the flow guide device (5) is fixed on the incinerator, and the other end of the flow guide device is communicated to a molten salt outlet.
2. The incinerator slag discharge port structure according to claim 1, characterized in that said thermostatic device (2) comprises a heating lance (21) and an ignition mechanism (22) mounted on the heating lance (21), and one end of said thermostatic device (2) is connected to a natural gas pipeline and the other end is connected to a combustion air pipeline.
3. The incinerator slag discharge port structure according to claim 2, characterized in that a natural gas regulating valve (23) is provided on the natural gas pipeline, and a combustion air regulating valve (24) is provided on the combustion air pipeline.
4. The incinerator slag discharge port structure according to claim 3, characterized in that a temperature measuring device (3) is further arranged above the base body (1), one end of the temperature measuring device (3) is connected with the base body (1), and the other end of the temperature measuring device is respectively connected with the constant temperature device (2), the natural gas regulating valve (23) and the combustion-supporting air regulating valve (24).
5. An incinerator taphole structure according to claim 1, characterized by the deflector (5) being provided with a deflector grid plate (6) at the end connected to the incinerator.
6. Incinerator taphole construction according to claim 1, characterized in that the side of the base body (1) facing away from the incinerator is provided with a sight glass (7).
7. Incinerator taphole construction according to claim 1, characterized in that the base body (1) is provided with an inspection door (8) at the side facing away from the incinerator.
8. An incinerator taphole structure according to claim 1, characterized in that a hanger (9) is fixed above the base body (1).
9. The incinerator slag discharge port structure according to claim 1, characterized in that said refractory (4) is corundum resistant to high temperature and sodium salt corrosion.
10. The incinerator slag discharge port structure according to claim 5, characterized in that said deflector (5) and said deflector grid plate (6) are made of high temperature-resistant nickel-based alloy steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122659380.8U CN216203358U (en) | 2021-11-02 | 2021-11-02 | Incinerator slag discharge port structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122659380.8U CN216203358U (en) | 2021-11-02 | 2021-11-02 | Incinerator slag discharge port structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216203358U true CN216203358U (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122659380.8U Active CN216203358U (en) | 2021-11-02 | 2021-11-02 | Incinerator slag discharge port structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216203358U (en) |
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2021
- 2021-11-02 CN CN202122659380.8U patent/CN216203358U/en active Active
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