CN210463035U - Coal fired power plant waste water burns device - Google Patents
Coal fired power plant waste water burns device Download PDFInfo
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- CN210463035U CN210463035U CN201920993112.XU CN201920993112U CN210463035U CN 210463035 U CN210463035 U CN 210463035U CN 201920993112 U CN201920993112 U CN 201920993112U CN 210463035 U CN210463035 U CN 210463035U
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Abstract
The utility model relates to the technical field of power plant wastewater treatment, and discloses a wastewater incineration device of a coal-fired power plant; the problems of slag bonding and unstable combustion in the incinerator are solved; the device comprises a desulfurization liquid tank, an incinerator and an atomization spray gun, wherein the atomization spray gun is arranged at the upper end of the incinerator, the desulfurization liquid tank is connected with the atomization spray gun through a waste liquid pipeline, a steam heat tracing pipeline is arranged outside the waste liquid pipeline, a spray gun sleeve is sleeved outside the atomization spray gun, and the spray gun sleeve is connected with a cooling air device through an air inlet pipeline; the atomization spray gun is also connected with a compressed air pipeline, and a check valve is arranged on the compressed air pipeline; this device ensures that the waste liquid pipeline does not have the crystallization, and the pipeline blocks up the problem, increases steam at the waste liquid pipeline and sweeps, stops the feed liquor back at the waste liquid pipeline, can prevent that the pipeline from including salt waste liquid crystallization blocks up through sweeping.
Description
Technical Field
The utility model relates to a waste water treatment technical field of power plant, concretely relates to contain salt waste water and burn device.
Background
The coal chemical industry plays an important role in the sustainable development of Chinese energy, but a large amount of salt-containing wastewater is generated, the salt is mainly sodium salt, and the sodium salt is easy to crystallize and causes the blockage of a wastewater treatment device, so that the part of wastewater is difficult to treat. In order to solve the problem and achieve zero emission, the concentrated salt-containing wastewater is sprayed into a hearth through a boiler, various organic matters can be effectively treated in a high-temperature environment, and the method is an economic mode for large-scale treatment of the salt-containing wastewater. The project construction conforms to the concept that the development of companies and local areas has the circular economy characteristic and the industrial development planning. However, the problems of slag bonding, corrosion and the like are easily caused in the incineration process of alkali metals in the salt-containing wastewater, the boiler is unstable in combustion in the incineration process, the bed temperature is suddenly high and suddenly low, and the load of the boiler is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes prior art's is not enough, provides a coal fired power plant waste water burns device. The problems of slag bonding and unstable combustion in the boiler are solved.
The utility model provides a technical scheme that its technical problem adopted is:
a coal-fired power plant waste water incineration device comprises a desulfurization liquid tank, an incinerator and an atomization spray gun, wherein the atomization spray gun is arranged at the upper end of the incinerator, the desulfurization liquid tank is connected with the atomization spray gun through a waste liquid pipeline, a steam heat tracing pipeline is arranged outside the waste liquid pipeline, and the steam heat tracing pipeline is connected with a steam system; a spray gun sleeve is sleeved outside the atomizing spray gun, and a spray head of the atomizing spray gun and an outlet of the spray gun sleeve are in the same plane; the spray gun sleeve is connected with a cooling air device through an air inlet pipeline; the atomizing spray gun is further connected with a compressed air pipeline, and a check valve is arranged on the compressed air pipeline.
In a further preferred structure, the outside of the waste liquid pipeline is wrapped with an insulating layer.
In a further preferable structure, the steam heat tracing pipeline is communicated with the waste liquid pipeline through a steam branch pipe, and a steam purging valve is arranged on the steam branch pipe.
In a further preferable structure, an outlet valve is arranged on the waste liquid pipeline in front of a liquid inlet of the atomizing spray gun.
In a further preferred structure, a sleeve is arranged outside the waste liquid pipeline, an interlayer is formed between the sleeve and the waste liquid pipeline, and the interlayer is connected with a steam system.
In a further preferred structure, the waste liquid pipeline is respectively connected with a plurality of incinerators connected in parallel through branch pipes.
Furthermore, the upper end of the incinerator is provided with two atomizing spray guns which are connected in parallel.
In a further preferable structure, a desulfurization liquid pump is arranged at a liquid outlet of the desulfurization liquid tank on the waste liquid pipeline.
The utility model discloses produced beneficial effect does for prior art.
1. This device waste liquid pipeline carries out steam heat tracing and insulation material bilayer and keeps warm, ensures that waste liquid pipeline does not have the crystallization, pipeline blockage problem.
2. This device spray gun muffjoint cooling air device prevents that the inside slag of furnace from playing in reverse direction, arouses spray gun sleeve to block up.
3. The check valve that sets up on the compressed air pipeline that this device atomizing spray gun is connected makes compressed air and waste liquid effectively keep apart, prevents that the waste liquid from scurrying to pressure-controlled system in.
4. This device increases steam at the waste liquid pipeline and sweeps, stops the feed liquor back at the waste liquid pipeline, can prevent that the pipeline from containing salt waste liquid crystallization blocks up through sweeping.
Drawings
Fig. 1 is a schematic structural view of a waste water incineration apparatus according to the embodiment.
The device comprises a desulfurization liquid tank 1, an incinerator 2, an atomizing spray gun 3, a waste liquid pipeline 4, a steam heat tracing pipeline 5, a steam generator 6, a spray gun sleeve 7, an air inlet pipeline 8, a cooling air device 9, a compressed air pipeline 10, a check valve 11, a steam branch pipe 12, a steam purge valve 13, an outlet valve 14, a desulfurization liquid pump 15 and a compressed air tank 16.
Detailed Description
In order to make the technical problem, technical scheme and beneficial effect that the utility model will solve more clearly understand, combine embodiment and attached drawing, it is right to go on further detailed description the utility model discloses. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. The technical solution of the present invention is described in detail below with reference to the embodiments and the drawings, but the scope of protection is not limited thereto.
Example 1
As shown in fig. 1, the waste water incineration device for the coal-fired power plant comprises a desulfurization liquid tank 1, an incinerator 2 and an atomizing spray gun 3, wherein the atomizing spray gun 3 is arranged at the upper end of the incinerator 2, the desulfurization liquid tank 1 is connected with the atomizing spray gun 3 through a waste liquid pipeline 4, two desulfurization liquid pumps 15 which can be switched to use are arranged on the waste liquid pipeline 4 and are positioned at a liquid outlet of the desulfurization liquid tank 1, and an outlet valve 14 is arranged on the waste liquid pipeline 4 and is positioned in front of a liquid inlet of the atomizing spray; the outside of the waste liquid pipeline 4 is wrapped with a heat insulation cotton layer; a steam heat tracing pipeline 5 is arranged outside the waste liquid pipeline 4, and the steam heat tracing pipeline 5 is connected with a steam generator 6; the steam heat tracing pipeline 5 is communicated with the waste liquid pipeline 4 through a steam branch pipe 12, and a steam purging valve 13 is arranged on the steam branch pipe 12. A spray gun sleeve 7 is sleeved outside the atomizing spray gun 3, and a spray head of the atomizing spray gun 3 and an outlet of the spray gun sleeve 7 are in the same plane; the spray gun sleeve 7 is connected with a cooling air device 9 through an air inlet pipeline 8; the atomizing spray gun 3 is also connected with a compressed air pipeline 10, the compressed air pipeline 10 is connected with a compressed air tank 16, and the compressed air pipeline 10 is provided with a check valve 11.
Except that the waste liquid pipeline 4 is insulated in the form of the heat tracing steam, the waste liquid pipeline 4 can be insulated in the form of a sleeve arranged outside the waste liquid pipeline 4, so that an insulating cotton layer can be omitted, an interlayer is formed between the sleeve and the waste liquid pipeline 4, and the interlayer is connected with the steam generator 6.
In addition, the waste liquid pipeline 4 can be respectively connected with a plurality of parallel incinerators 2 through branch pipes, and the upper end of the incinerator 2 can be provided with two parallel atomizing spray guns 3, so that the atomizing incineration efficiency is improved.
The specific working process is as follows: compressed air is communicated, atomization starting is carried out, after atomization is good, a desulfurization liquid pump 15 is started, waste water enters an atomization spray gun 3 through a waste liquid pipeline 4, and meanwhile a steam heat tracing pipeline 5 is started, so that the problems of crystallization and pipeline blockage of the waste liquid pipeline are solved. The cooling air device 9 is started to blow the spray gun sleeve 7, so that the reverse channeling of slag in the hearth of the incinerator 2 is prevented, and the spray gun sleeve 7 is prevented from being blocked; and a check valve 11 arranged on the compressed air pipeline 10 is opened, so that the compressed air is effectively isolated from the waste liquid, and the waste liquid is prevented from flowing back to the pressure control system. After the liquid inlet of the waste liquid pipeline is stopped, the steam purging valve 13 is opened to perform steam purging, so that the salt-containing waste liquid in the waste liquid pipeline 4 is prevented from being blocked by crystallization.
The above description is for further details of the present invention with reference to specific preferred embodiments, and it should not be understood that the embodiments of the present invention are limited thereto, and it will be apparent to those skilled in the art that the present invention can be implemented in a plurality of simple deductions or substitutions without departing from the scope of the present invention, and all such alterations and substitutions should be considered as belonging to the present invention, which is defined by the appended claims.
Claims (8)
1. A waste water incineration device of a coal-fired power plant comprises a desulfurization liquid tank (1), an incinerator (2) and an atomizing spray gun (3), wherein the atomizing spray gun (3) is arranged at the upper end of the incinerator (2), the desulfurization liquid tank (1) is connected with the atomizing spray gun (3) through a waste liquid pipeline (4), and the waste water incineration device is characterized in that a steam heat tracing pipeline (5) is arranged outside the waste liquid pipeline (4), and the steam heat tracing pipeline (5) is connected with a steam system; a spray gun sleeve (7) is sleeved outside the atomizing spray gun (3), and a spray head of the atomizing spray gun (3) and an outlet of the spray gun sleeve (7) are in the same plane; the spray gun sleeve (7) is connected with a cooling air device (9) through an air inlet pipeline (8); the atomizing spray gun (3) is further connected with a compressed air pipeline (10), and a check valve (11) is arranged on the compressed air pipeline (10).
2. The waste water incineration device of the coal-fired power plant as recited in claim 1, wherein the waste water pipe (4) is externally wrapped with an insulating layer.
3. The waste water incineration apparatus of a coal-fired power plant according to claim 1, wherein said steam heat tracing pipe (5) is communicated with said waste water pipe (4) through a steam branch pipe (12), and said steam branch pipe (12) is provided with a steam purge valve (13).
4. The waste water incineration device of the coal-fired power plant as claimed in claim 1, characterized in that an outlet valve (14) is arranged on the waste liquid pipe (4) in front of the liquid inlet of the atomizing spray gun (3).
5. The waste water incineration device of the coal-fired power plant as recited in claim 1, wherein a sleeve is arranged outside the waste liquid pipeline (4), an interlayer is formed between the sleeve and the waste liquid pipeline (4), and the interlayer is connected with a steam system.
6. The waste water incineration apparatus of a coal-fired power plant according to claim 1, wherein the waste liquid pipeline (4) is connected to a plurality of incinerators (2) connected in parallel through branch pipes, respectively.
7. A coal-fired power plant waste water incineration device according to claim 6, characterized in that the upper end of the incinerator (2) is provided with two atomizing lances (3) connected in parallel.
8. The waste water incineration device of the coal-fired power plant according to claim 1, characterized in that a desulfurization liquid pump (15) is arranged on the waste liquid pipeline (4) at the liquid outlet of the desulfurization liquid tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920993112.XU CN210463035U (en) | 2019-06-28 | 2019-06-28 | Coal fired power plant waste water burns device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920993112.XU CN210463035U (en) | 2019-06-28 | 2019-06-28 | Coal fired power plant waste water burns device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210463035U true CN210463035U (en) | 2020-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920993112.XU Active CN210463035U (en) | 2019-06-28 | 2019-06-28 | Coal fired power plant waste water burns device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210463035U (en) |
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2019
- 2019-06-28 CN CN201920993112.XU patent/CN210463035U/en active Active
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