CN214501301U

CN214501301U - Tar atomizing device for boiler

Info

Publication number: CN214501301U
Application number: CN202120353473.5U
Authority: CN
Inventors: 谭红生; 苗育培; 季分粮; 胡国锋
Original assignee: SHAANXI SHANHUA COAL CHEMICAL INDUSTRY GROUP CO LTD
Current assignee: SHAANXI SHANHUA COAL CHEMICAL INDUSTRY GROUP CO LTD
Priority date: 2021-02-08
Filing date: 2021-02-08
Publication date: 2021-10-26
Anticipated expiration: 2031-02-08

Abstract

The utility model belongs to the technical field of fuel injection atomizing and burning, concretely relates to tar atomizing device for boiler solves among the prior art tar spray gun structure atomizing inhomogeneous, the poor problem of atomization effect. The tar atomizing device for the boiler comprises: a tar pump, an oil supply pipeline and a tar gun; a tar pump and a filter are arranged on the oil supply pipeline, and the tar gun is communicated with the oil supply pipeline; and an atomizing device is arranged in the tar gun and is used for atomizing tar in the tar gun and then spraying the atomized tar. The tar atomizing device for the boiler of this scheme of adoption, its atomization effect is good, is favorable to the abundant burning of tar, has effectively avoided tar to flow into and has caused COD (chemical oxygen demand) numerical value to rise in the sluicing aquatic, has reduced the influence to boiler furnace burning simultaneously, reduces the slagging scorification phenomenon.

Description

Tar atomizing device for boiler

Technical Field

The utility model belongs to the technical field of fuel sprays atomizing and burning, concretely relates to tar atomizing device for boiler.

Background

Coal tar, also known as coal paste, is a black or blackish brown viscous liquid obtained in the dry distillation process of coal, has a special odor, is combustible and corrosive. Coal tar has a slightly lower calorific value than natural gas and heavy oil, but is relatively cheap, so many enterprises change to coal tar in order to reduce production cost.

Along with the continuous improvement of the productivity, the quantity of coal tar required to be burnt every day by each boiler is also continuously increased, and the performance requirement of the tar spraying gun is also continuously improved in order to ensure that the coal tar fed into the boiler can be sufficiently burnt. At present tar rifle in the use, the atomizing inhomogeneous often can appear, the phenomenon that the atomization effect is poor leads to the not complete burning of tar that gets into the boiler to fall into and leads to the fact COD (chemical oxygen demand) numerical value to rise in the slag washing water, influences sewage treatment.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems of uneven atomization and poor atomization effect of a tar spray gun structure in the prior art, and provides a tar atomization device for a boiler.

Realize the utility model discloses the technical scheme of purpose as follows:

a tar atomization device for a boiler, comprising: a tar pump, an oil supply pipeline and a tar gun;

a tar pump and a filter are arranged on the oil supply pipeline, and the tar gun is communicated with the oil supply pipeline;

and an atomizing device is arranged in the tar gun and is used for atomizing tar in the tar gun and then spraying the atomized tar.

Furthermore, a valve is arranged on the oil supply pipeline and is arranged in the middle of the tar pump and the filter.

Further, the oil supply line includes a first branch and a second branch;

the first branch is provided with a first valve and a first filter;

and a second valve and a second filter are arranged on the second branch.

Furthermore, the first branch and the second branch are converged and then communicated with the tar gun.

Still further, the tar gun includes: the device comprises a connecting section, an atomizing section and a spraying section;

the connecting section is provided with an oil inlet and an oil storage cavity, the oil inlet is connected with the oil supply pipeline, and tar entering through the oil inlet enters the oil storage cavity;

the atomizing section is communicated with the oil storage cavity, and an atomizing device is arranged in the atomizing section and atomizes the tar;

the spraying section is connected with the atomizing section, a spray head is arranged in the spraying section, and atomized tar is sprayed out by the spray head.

Furthermore, a tar oil conveying passage is arranged at the central axis of the atomizing device, and two ends of the tar oil conveying passage are respectively communicated with the oil storage cavity and the spray head.

Furthermore, the tar gun is also provided with an air inlet which is arranged on the atomization section and communicated with the tar conveying passage.

Furthermore, a plurality of air holes are uniformly formed in the atomizing device along the circumferential direction, and the air inlet is communicated with the tar conveying passage through the air holes.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a tar atomizing device for boiler, through set up tar pump and filter on fuel feed line, extract tar through the tar pump, and filter tar once through the oil filter, filter the impurity granule in tar, then send into the tar rifle with the tar after filtering again, atomizing device in the tar rifle atomizes tar and then spout, the tar atomizing device for boiler of this scheme of adoption, its atomization effect is good, be favorable to the abundant burning of tar, it leads to the fact COD (chemical oxygen demand) numerical value to rise to effectively avoid tar to flow into towards the sediment aquatic, the influence to boiler furnace burning has been reduced simultaneously, reduce the slagging phenomenon.

Drawings

Fig. 1 is a schematic structural view of an atomizing device provided in an embodiment of the present invention;

fig. 2 is a schematic view of a tar gun structure provided by the embodiment of the utility model.

Wherein, 1, a tar pump; 2. a first valve; 3. a second valve; 4. a first filter; 5. a second filter; 6. a tar gun; 61. an oil storage chamber; 62. an atomizing device; 621. air holes; 622. a tar delivery pathway; 63. a spray head; 7. an air inlet; 8. and an oil inlet.

Detailed Description

The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functions, methods, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.

In the description of the present embodiments, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to a number of indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.

The terms "mounted," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly coupled, detachably coupled, or integrally coupled; 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 creation of the present invention can be understood by those of ordinary skill in the art through specific situations.

Referring to fig. 1, the tar atomization device for a boiler of the present embodiment includes: a tar pump 1, an oil supply pipeline and a tar gun 6; the tar pump 1 and the filter are arranged on the oil supply pipeline, and the tar gun 6 is communicated with the oil supply pipeline; the tar gun 6 is provided with an atomizing device 62, and the atomizing device 62 atomizes and sprays the tar in the tar gun 6.

The tar atomizing device for the boiler of this scheme, through set up tar pump 1 and filter on fuel feed line, extract tar through tar pump 1, and filter tar once through oil filter, filter the impurity particle in the tar, then send into tar rifle 6 with the tar after filtering again, atomizing device 62 through tar rifle 6 atomizes tar and then spout, the tar atomizing device 62 for the boiler of this scheme of adoption, its atomization effect is good, be favorable to the abundant burning of tar, effectively avoided tar to flow into towards the sediment aquatic and caused COD (chemical oxygen demand) numerical value to rise, the influence to boiler furnace burning has been reduced simultaneously, reduce the slagging phenomenon.

Referring to fig. 1, a valve is further disposed on the oil supply line, and the valve is disposed in the middle of the tar pump 1 and the filter.

The valve is added on the oil supply pipeline, the oil supply pipeline is controlled through the valve, and when the tar gun 6 or the filter is overhauled, the valve is only required to be closed.

As shown in fig. 1, the oil supply line includes a first branch and a second branch; the first branch is provided with a first valve 2 and a first filter 4; the second branch is provided with a second valve 3 and a second filter 5.

Divide into two branches with the fuel feeding pipeline, all be provided with valve and filter on every branch road, in specific use, first branch road and second branch road can simultaneous working, guarantee that the fuel feeding is sufficient, in addition, when first branch road or second branch road need overhaul, only need close first valve 2 or second valve 3, can guarantee that there is a branch road can be unblocked, can not influence the normal fuel feeding to the boiler.

As shown in FIG. 1, the first branch and the second branch are merged and then communicated with a tar gun 6.

Join first branch road and second branch road, communicate tar gun 6 again, convenient to use and the quick installation of tar gun 6.

Referring to fig. 1 and 2, the tar gun 6 includes: the device comprises a connecting section, an atomizing section and a spraying section; the connecting section is provided with an oil inlet 8 and an oil storage cavity 61, the oil inlet 8 is connected with an oil supply pipeline, and tar entering through the oil inlet 8 enters the oil storage cavity 61; the atomization section is communicated with the oil storage cavity 61, an atomization device 62 is arranged in the atomization section, and the atomization device 62 atomizes the tar; the spraying section is connected with the atomizing section, a spray head 63 is arranged in the spraying section, and the spray head 63 sprays out the atomized tar.

Tar gun 6 is in specific use, with oil inlet 8 and oil feed pipe connection, tar gets into tar gun 6 back, at first enter into oil storage chamber 61, oil storage chamber 61 plays the effect of storage and buffering to tar, then in tar continues to enter into atomizing device 62 under the effect of oil pressure, be provided with the atomizing piece among the atomizing device 62, and atomizing device 62 can be high-speed rotatory in tar gun 6, carry out atomizing process to tar through the atomizing piece, and under the centrifugal action of high-speed rotatory formation, make tar form granular oil droplet, and spout through shower nozzle 63, the abundant burning of tar that has guaranteed to get into in the boiler.

Referring to fig. 2, a tar passage 622 is provided at a central axis of the atomizing device 62, and both ends of the tar passage 622 are respectively communicated with the oil storage chamber 61 and the nozzle 63.

Specifically, a tar delivery passage 622 is provided in the center of the atomizing device 62, the tar delivery passage 622 communicates with the oil storage chamber 61, tar in the oil storage chamber 61 is delivered to the tar delivery passage 622, and after the atomizing device 62 performs the atomizing process, the atomized tar is delivered to the spray head 63 through the tar delivery passage 622 again under the action of the oil pressure and is sprayed out through the spray head 63.

As shown in fig. 2, the tar gun 6 is further provided with an air inlet 7, and the air inlet 7 is disposed in the atomizing section and is communicated with the tar conveying passage 622.

As the further improvement of this scheme, set up air inlet 7 at the atomizing section of tar rifle 6, air inlet 7 is linked together with tar conveying path 622, lets in compressed air or low pressure steam in to air inlet 7, and tar in tar conveying path 622 is through atomizing device 62 atomizing treatment back, further blows away tar through high pressure steam again for the tar atomization effect that conveys to shower nozzle 63 department is better, guarantees to atomize more evenly.

Referring to fig. 2, the atomizing device 62 is provided with a plurality of air holes 621 uniformly along the circumferential direction, and the air inlet 7 is communicated with the tar passage 622 through the air holes 621.

Specifically, a plurality of air holes 621 are uniformly formed in the circumferential direction of the atomizing device 62, the air holes 621 are communicated with the air inlet 7, compressed air or low-pressure steam enters the air holes 621 through the air inlet 7 and then enters the tar conveying passage 622 of the atomizing device 62 through the air holes 621, further atomization of tar droplets is achieved, sufficient combustion of tar entering a boiler is guaranteed, and increase of COD (chemical oxygen demand) value caused by inflow of tar into slag flushing water is avoided. The higher the COD (chemical oxygen demand) value is, the more serious the water pollution phenomenon is

The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A tar atomization device for a boiler, characterized by comprising: a tar pump (1), an oil supply pipeline and a tar gun (6);

the tar pump (1) and the filter are arranged on the oil supply pipeline, and the tar gun (6) is communicated with the oil supply pipeline;

and an atomizing device (62) is arranged in the tar gun (6), and the tar in the tar gun (6) is atomized and sprayed out by the atomizing device (62).

2. The tar atomization device for the boiler according to the claim 1, characterized in that the oil supply pipeline is further provided with a valve, and the valve is arranged at the middle position of the tar pump (1) and the filter.

3. The tar atomization device for the boiler according to claim 2, wherein the oil supply line includes a first branch and a second branch;

the first branch is provided with a first valve (2) and a first filter (4);

and a second valve (3) and a second filter (5) are arranged on the second branch.

4. The tar atomization device for the boiler according to the claim 3, characterized in that the first branch and the second branch are merged and communicated with the tar gun (6).

5. The tar atomization device for the boiler according to claim 4, wherein the tar gun (6) comprises: the device comprises a connecting section, an atomizing section and a spraying section;

the connecting section is provided with an oil inlet (8) and an oil storage cavity (61), the oil inlet (8) is connected with the oil supply pipeline, and tar entering through the oil inlet (8) enters the oil storage cavity (61);

the atomizing section is communicated with the oil storage cavity (61), an atomizing device (62) is arranged in the atomizing section, and the atomizing device (62) atomizes the tar;

the spraying section is connected with the atomizing section, a spray head (63) is arranged in the spraying section, and the spray head (63) sprays out atomized tar.

6. The tar atomization device for the boiler according to claim 5, characterized in that a tar delivery passage (622) is arranged at a central axial position of the atomization device (62), and two ends of the tar delivery passage (622) are respectively communicated with the oil storage cavity (61) and the spray head (63).

7. The tar atomization device for the boiler according to claim 6, wherein the tar gun (6) is further provided with an air inlet (7), and the air inlet (7) is arranged in the atomization section and communicated with the tar conveying passage (622).

8. The tar atomization device for the boiler according to claim 7, wherein a plurality of air holes (621) are uniformly formed in the atomization device (62) along the circumferential direction, and the air inlet (7) is communicated with the tar delivery passage (622) through the air holes (621).