CN209960514U - Waste liquid incineration spray gun and waste liquid pumping incineration system - Google Patents
Waste liquid incineration spray gun and waste liquid pumping incineration system Download PDFInfo
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- CN209960514U CN209960514U CN201920753186.6U CN201920753186U CN209960514U CN 209960514 U CN209960514 U CN 209960514U CN 201920753186 U CN201920753186 U CN 201920753186U CN 209960514 U CN209960514 U CN 209960514U
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Abstract
The application discloses waste liquid burns spray gun and waste liquid pump sending system of burning relates to the environmental protection equipment field. The waste liquid burns the spray gun and includes: gun barrel, nozzle, cooling jacket, cold-blast pipe and feed liquor pipe. The barrel is used to transport waste fluids. A nozzle is mounted at the forward end of the barrel for spraying waste liquid. The cooling sleeve is sleeved on the outer portion of the gun barrel and forms an interlayer with the gun barrel. And the cold air pipe is communicated with the cooling sleeve and used for blowing cold air into the interlayer so as to reduce the temperature of the nozzle and the gun barrel. The liquid inlet pipe is communicated with the gun barrel and is used for conveying waste liquid. This application increases the cold wind sleeve pipe of cover outside the gun pipe to make cold wind sleeve pipe and barrel form the intermediate layer, carry cold air in to the intermediate layer through the cold wind pipe, thereby reduce the temperature of barrel and nozzle, in order to prevent that it from being burnt out.
Description
Technical Field
The application relates to the field of environmental protection equipment, in particular to a waste liquid incineration spray gun and a waste liquid pumping incineration system.
Background
At present, viscous wastes and highly toxic wastes need to be incinerated. For example, liquid medical wastes, wood preservative wastes, pesticides, rodenticides and other highly toxic products are all incinerated.
The waste is fed into a rotary kiln/secondary combustion chamber liquid burner or a burner through a waste liquid incineration spray gun in a liquid feeding mode to be incinerated. The waste is heated, dried, decomposed and gasified while the rotary kiln is continuously rotated. Wherein the combustion temperature of the rotary kiln is about 800-900 ℃, and the materials are thoroughly burnt into high-temperature flue gas and ash after high-temperature burning for about 60 min. The residue falls into a residue hopper from the kiln tail and is continuously discharged by a water seal slag discharging machine. And the flue gas generated by combustion enters the secondary combustion chamber from the kiln tail to be heated and combusted again, the combustion temperature is about 1100-1250 ℃, the residence time of the flue gas in the secondary combustion chamber is more than 2 seconds, and the hazardous waste entering the incineration system is completely and fully combusted.
However, the existing waste liquid incineration spray gun is fixedly arranged at the rotary kiln, and the spray gun is easily burnt out due to the fact that the combustion temperature is as high as 800-900 ℃ during incineration.
SUMMERY OF THE UTILITY MODEL
It is an object of the present application to overcome the above problems or to at least partially solve or mitigate the above problems.
According to an aspect of the present application, there is provided a waste liquid incineration spray gun including:
a barrel for transporting waste liquid;
a nozzle installed at a front end of the barrel for spraying waste liquid;
the cooling sleeve is sleeved outside the gun barrel and forms an interlayer with the gun barrel;
the cold air pipe is communicated with the cooling sleeve and used for blowing cold air into the interlayer so as to reduce the temperature of the nozzle and the gun barrel; and
and the liquid inlet pipe is communicated with the gun barrel and is used for conveying waste liquid.
Optionally, the nozzle is a revolving body with an internal channel, the inside of the nozzle is divided into a threaded connection section, an inlet section, a spiral conveying section and an injection section from one end to the other end according to different functions, the threaded connection section is provided with internal threads and used for connecting the gun barrel, the inlet section is provided with two small holes for waste liquid to enter, the spiral conveying section is provided with a conical spiral, the large end of the spiral conveying section is connected with the inlet section and used for enabling the waste liquid to be rotationally reinforced, the injection section is provided with a variable diameter, and the small end of the injection section is connected with the small end of the spiral conveying section so as to eject the reinforced waste liquid.
Optionally, the waste liquid incineration spray gun pass through the roof beam installation, the barrel with the cooling jacket passes through the screw fixation together, the waste liquid incineration spray gun still includes:
the safety sleeve is sleeved outside the gun barrel and used for protecting the gun barrel and the nozzle, namely the cooling sleeve, one end of the safety sleeve is connected with the cooling sleeve through a sliding sealing piece, a cavity is formed between the safety sleeve and the cooling sleeve, and the safety sleeve is fixedly connected with the beam; and
and the pneumatic push rod is arranged on the beam, the push rod of the pneumatic push rod is parallel to the gun barrel, and the push rod of the pneumatic push rod is fixedly connected with one end, which is not provided with the nozzle, of the gun barrel so as to drive the gun barrel and the cooling sleeve to reciprocate along the axis of the gun barrel.
Optionally, the waste liquid incineration spray gun penetrates through a foam wall and is configured to drive the nozzle, the barrel and the cooling sleeve to move to the foam wall through the pneumatic push rod when the waste liquid incineration spray gun is in a non-working state so as to prevent burning out.
Optionally, the safety sleeve is fixedly connected with the beam through a flange, and the pneumatic push rod is fixedly connected with the barrel through a flange.
Optionally, the cold air pipe is located at a front end of the liquid inlet pipe.
According to another aspect of the present application, there is provided a waste liquor pumping incineration system, comprising: the waste liquid storage tank is used for storing waste liquid, the waste liquid storage tank is connected to the rotary kiln through the waste liquid pump and the waste liquid burning spray gun, the combustor correspondingly extends into the rotary kiln and the secondary combustion chamber, and the rotary kiln is communicated with the secondary combustion chamber.
Optionally, the number of the waste liquid incineration spray guns is at least three, corresponding to the high-heat value waste liquid spray gun, the mixed waste liquid spray gun and the temporary waste liquid spray gun.
The utility model provides a waste liquid burns spray gun and waste liquid pump sending and burns system increases the cold wind sleeve pipe of cover outside the gun pipe to make cold wind sleeve pipe and barrel form the intermediate layer, carry cold air in to the intermediate layer through the cold wind pipe, thereby reduce the temperature of barrel and nozzle, in order to prevent that it from being burnt out.
The above and other objects, advantages and features of the present application will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the present application will be described in detail hereinafter by way of illustration and not limitation with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
FIG. 1 is a schematic structural view of a waste incineration lance according to one embodiment of the present application;
FIG. 2 is a schematic partial enlarged view of A shown in FIG. 1;
fig. 3 is a schematic structural view of a waste liquid pumping incineration system according to one embodiment of the present application.
The symbols in the drawings represent the following meanings:
1 a waste liquid incineration spray gun,
11 gun pipes, 12 nozzles, 13 cooling sleeves, 14 interlayers, 15 cold air pipes, 16 liquid inlet pipes, 17 beams, 18 safety sleeves, 19 pneumatic push rods, 20 sliding sealing parts, 21 flanges, 22 foam walls,
121, 122 inlet section, 123 screw conveying section, 124 spraying section,
2 waste liquid storage tank, 3 waste liquid pump, 4 burner, 5 rotary kiln, 6 second combustion chamber.
Detailed Description
Fig. 1 is a schematic structural view of a waste liquid incineration lance according to one embodiment of the present application. Fig. 2 is a schematic partial enlarged view of a shown in fig. 1. As shown in fig. 1, and also with reference to fig. 2, the present embodiment provides a waste incineration lance 1, which may generally comprise: a gun tube 11, a nozzle 12, a cooling sleeve 13, a cold air pipe 15 and an liquid inlet pipe 16. The barrel 11 is used to transport waste fluids. A nozzle 12 is installed at the front end of the barrel 11 for spraying waste liquid. A cooling jacket 13 is fitted over the exterior of the barrel 11 and forms an interlayer 14 with the barrel 11. A cold air pipe 15 is in communication with the cooling jacket 13 for blowing cold air into the interlayer 14 to reduce the temperature of the nozzle 12 and the barrel 11. An inlet pipe 16 communicates with the barrel 11 for conveying waste liquid.
The utility model provides a waste liquid burns spray gun 1 increases the cold wind sleeve pipe of cover outside barrel 11 to make cold wind sleeve pipe and barrel 11 form intermediate layer 14, carry cold air in to intermediate layer 14 through cold-blast pipe 15, thereby reduce the temperature of barrel 11 and nozzle 12, in order to prevent that it from being burnt out.
As shown in fig. 2, in the present embodiment, the nozzle 12 is a rotating body having an internal passage. The interior of the nozzle 12 is functionally divided from one end to the other into a screw connection section 121, an inlet section 122, a screw conveying section 123 and a spraying section 124. The threaded connection section 121 has an internal thread for connecting the barrel 11. The inlet section 122 has two small holes for the waste liquid to enter. The screw conveyor 123 has a conical screw and its large end is connected to the inlet section 122 for rotationally energizing the waste liquid to produce a suitable torque and a longer throw. The injection section 124 has a variable diameter, and the small end of the injection section 124 is connected with the small end of the spiral conveying section 123 so as to eject the boosted waste liquid.
Through above-mentioned nozzle 12 for waste liquid burns spray gun 1 and does not use compressed air to carry the waste liquid, and waste liquid burns spray gun 1 promptly and is single fluid spray gun, and its aperture is big difficult the jam.
In this embodiment, as shown in fig. 1, the waste liquid incineration lance 1 is installed through a beam 17. The barrel 11 and the cooling jacket 13 are fixed together by screws. The waste liquid incineration spray gun 1 further comprises: a safety sleeve 18 and a pneumatic ram 19. A safety sleeve 18 is fitted over the exterior of the barrel 11 for protecting the barrel 11, the nozzle 12 and the cooling jacket 13. One end of the safety sleeve 18 is connected to the cooling sleeve 13 by a sliding seal 20 so that the barrel 11 and the cooling sleeve 13 can slide relative to the sliding seal 20. A cavity is formed between the safety sleeve 18 and the cooling sleeve 13. The safety sleeve 18 is fixedly connected to the beam 17. A pneumatic ram 19 is mounted on the beam 17. The push rod of the pneumatic push rod 19 is parallel to the barrel 11. The push rod of the pneumatic push rod 19 is fixedly connected with one end of the gun barrel 11, which is not provided with the nozzle 12, so as to drive the gun barrel 11 and the cooling sleeve 13 to reciprocate along the axis of the gun barrel 11.
In the embodiment shown in fig. 1, the waste incineration torch 1 penetrates through a foam wall 22, and is configured to move the nozzle 12, the barrel 11 and the cooling jacket 13 to the foam wall 22 through the pneumatic push rod 19 when the waste incineration torch 1 is in a non-operating state, so as to prevent the nozzle 12 and the barrel 11 from being burnt out.
As shown in fig. 1, in more detail, in this embodiment, the safety sleeve 18 is fixedly connected to the beam 17 through a flange 21, and the pneumatic ram 19 is fixedly connected to the barrel 11 through a flange 21.
As shown in fig. 1, in the present embodiment, the cold air pipe 15 is located at the front end of the liquid inlet pipe 16.
Fig. 3 is a schematic structural view of a waste liquid pumping incineration system according to one embodiment of the present application. The embodiment provides a waste liquid pumping incineration system, including: a waste liquid storage tank 2, a waste liquid pump 3, a burner 4, a rotary kiln 5, a secondary combustion chamber 6 and a waste liquid incineration spray gun 1. The waste liquid storage tank 2 is used for storing waste liquid, the waste liquid storage tank 2 is connected to the rotary kiln 5 through the waste liquid pump 3 and the waste liquid incineration spray gun 1, the combustor 4 correspondingly extends into the rotary kiln 5 and the secondary combustion chamber 6, and the rotary kiln 5 is communicated with the secondary combustion chamber 6. The waste liquid storage tank 2, the waste liquid pump 3, the burner 4, the rotary kiln 5 and the secondary combustion chamber 6 are all the prior art, and the description thereof is omitted in this embodiment. The waste liquid incineration lance 1 in the present embodiment has the same structure as the waste liquid incineration lance 1 in the above-described embodiment. Therefore, the structure of the waste liquid incineration lance 1 in this embodiment will not be described in detail.
The working principle of the waste liquid pumping incineration system is as follows: the wastes are continuously rotated in the rotary kiln 5, and the materials are continuously turned, heated, dried, decomposed and gasified in the kiln. The combustion temperature of the rotary kiln 5 is about 800-900 ℃, and materials are thoroughly burnt into high-temperature smoke and ash after high-temperature burning for about 60 min. The residue falls into a residue hopper from the kiln tail and is continuously discharged by a water seal slag discharging machine. And the flue gas generated by combustion enters the secondary combustion chamber from the kiln tail to be heated and combusted again, the combustion temperature is about 1100-1250 ℃, the residence time of the flue gas in the secondary combustion chamber is more than 2 seconds, and the hazardous waste entering the incineration system is completely and fully combusted.
The waste liquid pumping incineration system of the present application comprises the waste liquid incineration spray gun 1, and therefore comprises all the technical features of the waste liquid incineration spray gun 1. Therefore, the waste liquid pumping incineration system passes through the cold air sleeve sleeved outside the gun barrel 11, the cold air sleeve and the gun barrel 11 form an interlayer 14, and cold air is conveyed into the interlayer 14 through the cold air pipe 15, so that the temperature of the gun barrel 11 and the nozzle 12 is reduced, and the waste liquid is prevented from being burnt out.
In the embodiment, hazardous waste pretreatment and compatibility operation are added.
Dangerous waste pretreatment work: after being subjected to classified filtration and emulsification mixing (the calorific value is adjusted to be more than 5000 kilocalories), combustible waste liquid waste is pumped into an oil tank before entering the kiln for temporary storage, and the problems of liquid level, metering, safe storage and the like of the waste oil tank are considered.
Waste compatibility operation:
detecting the properties of the waste to be incinerated, and determining the content of heat value, volatile components, halogen and heavy metal; at the same time, the flammability, viscosity (liquid), chemical reactivity, etc. are clarified.
And performing matching calculation of heat value, volatile components, halogen, alkali metal and the like according to the principle to ensure that the heat value is stable and the halogen content and the alkali metal content are lower than the requirements.
Determining the compatibility of different wastes according to the calculation result, and feeding different materials at intervals on the slow-speed belt conveyor to ensure that the heat value of the wastes is basically uniform in the crushed bin.
Specifically, in this embodiment, the number of the waste liquid incineration spray guns 1 is at least three, and corresponds to a high-heat value waste liquid spray gun, a mixed waste liquid spray gun, and a temporary waste liquid spray gun. In fig. 3, line B carries high calorific value waste, line C carries mixed waste, and line D carries temporary waste.
The application discloses waste liquid pumping incineration system adopts the natural gas to start. The gas consumption during normal operation depends mainly on the calorific value of the waste. In order to ensure the stable operation of the rotary kiln 5 and the secondary combustion chamber 6, diesel oil is added as auxiliary fuel or combustible waste liquid when needed.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which this application belongs.
In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.
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. In the description of the present application, "a plurality" means two or more unless specifically defined otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
The above description is only for the preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (8)
1. A waste liquid incineration spray gun (1), characterized by comprising:
a barrel (11) for conveying waste liquid;
a nozzle (12) mounted at the front end of the barrel (11) for spraying waste liquid;
a cooling sleeve (13) which is sleeved outside the gun barrel (11) and forms an interlayer (14) with the gun barrel (11);
a cold air pipe (15) communicated with the cooling sleeve (13) and used for blowing cold air into the interlayer (14) so as to reduce the temperature of the nozzle (12) and the gun barrel (11); and
a liquid inlet pipe (16) communicated with the gun barrel (11) and used for conveying waste liquid.
2. The liquid waste incineration lance (1) according to claim 1, wherein the nozzle (12) is a solid of revolution having an internal passage, the nozzle (12) is functionally divided from one end to the other end into a threaded connection section (121), an inlet section (122), a screw transport section (123) and an injection section (124), the threaded connection section (121) has an internal thread for connecting the lance tube (11), the inlet section (122) has two small holes for liquid waste to enter, the screw transport section (123) has a conical screw, and a large end thereof is connected to the inlet section (122) for rotationally energizing the liquid waste, the injection section (124) has a variable diameter, and a small end of the injection section (124) is connected to a small end of the screw transport section (123) for injecting the energized liquid waste.
3. A liquid waste incineration lance (1) according to claim 1, characterised in that the barrel (11) and the cooling jacket (13) are screwed together by means of a beam (17), the liquid waste incineration lance (1) further comprising:
a safety sleeve (18) sleeved outside the barrel (11) and used for protecting the barrel (11) and the nozzle (12) namely the cooling sleeve (13), wherein one end of the safety sleeve (18) is connected with the cooling sleeve (13) through a sliding seal (20), a cavity is formed between the safety sleeve (18) and the cooling sleeve (13), and the safety sleeve (18) is fixedly connected with the beam (17); and
the pneumatic push rod (19) is installed on the beam (17), the push rod of the pneumatic push rod (19) is parallel to the gun barrel (11), and the push rod of the pneumatic push rod (19) is fixedly connected with one end, which is not provided with the nozzle (12), of the gun barrel (11) so as to drive the gun barrel (11) and the cooling sleeve (13) to reciprocate along the axis of the gun barrel (11).
4. A waste incineration lance (1) according to claim 3, characterized in that the waste incineration lance (1) passes through a foam wall (22) and is configured to move the nozzle (12), the barrel (11) and the cooling jacket (13) to the foam wall (22) by means of the pneumatic ram (19) when the waste incineration lance (1) is in a non-operational state, in order to prevent burnout.
5. A liquid waste incineration lance (1) according to claim 3, characterised in that the safety sleeve (18) is fixedly connected to the beam (17) by means of a flange (21), and the pneumatic ram (19) is fixedly connected to the barrel (11) by means of a flange (21).
6. A liquid waste incineration lance (1) according to any of claims 1 to 5, characterized in that the cold air duct (15) is located at the front end of the liquid inlet duct (16).
7. A waste liquor pumping incineration system, comprising: the waste liquid incineration spray gun (1) comprises a waste liquid storage tank (2), a waste liquid pump (3), a burner (4), a rotary kiln (5), a secondary combustion chamber (6) and any one of claims 1 to 6, wherein the waste liquid storage tank (2) is used for storing waste liquid, the waste liquid storage tank (2) is connected to the rotary kiln (5) through the waste liquid pump (3) and the waste liquid incineration spray gun (1), the burner (4) correspondingly extends into the rotary kiln (5) and the secondary combustion chamber (6), and the rotary kiln (5) is communicated with the secondary combustion chamber (6).
8. The spent liquor pumping incineration system of claim 7, characterized in that the number of the spent liquor incineration lances (1) is at least three, corresponding to a high calorific value spent liquor lance, a mixed spent liquor lance and a temporary spent liquor lance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920753186.6U CN209960514U (en) | 2019-05-23 | 2019-05-23 | Waste liquid incineration spray gun and waste liquid pumping incineration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920753186.6U CN209960514U (en) | 2019-05-23 | 2019-05-23 | Waste liquid incineration spray gun and waste liquid pumping incineration system |
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| CN209960514U true CN209960514U (en) | 2020-01-17 |
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| CN201920753186.6U Active CN209960514U (en) | 2019-05-23 | 2019-05-23 | Waste liquid incineration spray gun and waste liquid pumping incineration system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113324405A (en) * | 2021-05-12 | 2021-08-31 | 首钢京唐钢铁联合有限责任公司 | Steel rolling heating furnace and method for flue gas denitration |
| CN113531562A (en) * | 2021-07-29 | 2021-10-22 | 岳阳远东节能设备有限公司 | Low-nitrogen burner for treating incineration waste gas and waste liquid in hazardous waste treatment |
| CN115143482A (en) * | 2022-07-25 | 2022-10-04 | 淮南中建材腾锋环保科技有限公司 | High-temperature-resistant organic waste liquid incineration spray gun |
-
2019
- 2019-05-23 CN CN201920753186.6U patent/CN209960514U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113324405A (en) * | 2021-05-12 | 2021-08-31 | 首钢京唐钢铁联合有限责任公司 | Steel rolling heating furnace and method for flue gas denitration |
| CN113324405B (en) * | 2021-05-12 | 2023-02-03 | 首钢京唐钢铁联合有限责任公司 | Steel rolling heating furnace and method for flue gas denitration |
| CN113531562A (en) * | 2021-07-29 | 2021-10-22 | 岳阳远东节能设备有限公司 | Low-nitrogen burner for treating incineration waste gas and waste liquid in hazardous waste treatment |
| CN115143482A (en) * | 2022-07-25 | 2022-10-04 | 淮南中建材腾锋环保科技有限公司 | High-temperature-resistant organic waste liquid incineration spray gun |
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