CN215742794U

CN215742794U - Novel desulfurizer homogenization injection device

Info

Publication number: CN215742794U
Application number: CN202121813438.3U
Authority: CN
Inventors: 尹会; 纪良富; 周保华
Original assignee: Chizhou Guixing Non Mineral New Material Co ltd
Current assignee: Chizhou Guixing Non Mineral New Material Co ltd
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2022-02-08
Anticipated expiration: 2031-08-05

Abstract

The utility model relates to a novel desulfurizer homogenizing injection device, and belongs to the technical field of desulfurizer injection. Including homogenization device and injection apparatus, the homogenization device includes feed inlet, inlet pipe, buffer tube, buffering part, discharging pipe and honeycomb duct, all through flange joint, the honeycomb duct is fixed at buffer tube and discharging pipe surface, the buffering part includes dead lever, fan, first separates net, second and separates the net, the dead lever is fixed at the buffer tube inside wall, the dead lever is connected the fan through the pivot, the inside first net and the second that separate that are provided with of buffer tube separates that separates of buffer tube, injection apparatus includes conveyer pipe, annular nozzle, toper shower nozzle and nozzle, annular nozzle inner circle outer wall is equipped with the toper shower nozzle, is provided with the nozzle on the toper shower nozzle. This device lets desulfurizer and air misce bene, and the even dispersion of desulfurizer in the flue gas that spouts out carries out the desulfurization to the increase of desulfurization area is more even, has improved desulfurization efficiency, has promoted desulfurization effect.

Description

Novel desulfurizer homogenization injection device

Technical Field

The utility model relates to the technical field of desulfurizer injection, in particular to a novel desulfurizer homogenizing injection device.

Background

With the development of industry, environmental pollution is more and more serious, and especially, the combustion of various industrial kilns and boilers is an important pollution source for conveying pollutants to the atmosphere. The general fuel comprises coal, coal gas and natural gas, wherein the main component of the coal is carbon, and the coal contains hydrogen, oxygen, nitrogen, sulfur and metal compounds, and not only a large amount of smoke is generated during combustion, but also substances such as carbon monoxide, carbon dioxide, sulfur dioxide, oxynitride, organic compounds, smoke and the like are formed during the combustion process. Coal gas is produced from coal, and the products of combustion are similar to coal. Natural gas is a relatively clean energy source, but during high-temperature combustion, oxygen, sulfur in heated raw materials, and nitrogen in air also generate a large amount of sulfur dioxide, oxygen-nitrogen compounds and other harmful substances, and high-temperature or molten raw materials also generate a large amount of dust, which can cause serious pollution to the atmosphere. Because atmospheric pollution causes great harm to the global environment where people live, the global treatment on the atmospheric pollution is more and more strict, and the emission standard is continuously improved.

The existing common desulfurizer conveying and spraying device is a conveying pipeline which is directly sprayed into a desulfurizing tower or a flue gas pipeline and is widely applied to various environmental protection projects, and the sprayed desulfurizer is used for absorbing all harmful gases such as sulfur and the like, so that the application is wide, and the energy is saved and the environment is protected; however, the existing injection homogenizing device has certain disadvantages when in use, firstly, the desulfurizer and the air which do not enter the device are difficult to form diffusion due to high speed, secondly, the air and the desulfurizer are difficult to be uniformly mixed, the agglomerated desulfurizer is rapidly injected into flue gas, and the desulfurizer powder which is injected into a pipeline at high pressure through only one powder injection port is approximate to a fan shape in the instantaneous shape of the cross section of the pipeline, the flue gas which advances at high speed outside the fan shape is often fast and rapidly passes under the condition that the desulfurizer powder is not phagocytosed, SO that the desulfurization efficiency is low, the desulfurization effect is not good, and part of SO in the flue gas can be remained₂Is discharged out. Therefore, there is a need to provide a novel desulfurizing agentHomogenizing the spray device to solve the problem.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems of defects and deficiencies in the prior art, the utility model provides a novel desulfurizer homogenizing injection device, which can ensure that a desulfurizer can be uniformly injected to react with flue gas, and improves the desulfurization efficiency and the desulfurization effect.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a novel desulfurizer homogenizing injection device comprises a homogenizing device and an injection device, wherein the homogenizing device comprises a feed inlet, a feed inlet pipe, a buffer component, a discharge pipe and a guide pipe, the feed inlet is arranged at the left end of the feed inlet pipe, the right end of the feed inlet pipe is connected with the left end of the buffer pipe through a flange, the right end of the buffer pipe is connected with the left end of the discharge pipe through a flange, the right end of the guide pipe is fixed on the outer surface of the discharge pipe, the left end of the guide pipe is fixed on the outer surface of the buffer pipe, the buffer component comprises a fixed rod, a fan, a first separation net and a second separation net, the fixed rod is fixed at the upper end and the lower end of the inner side wall of the buffer pipe, the fan is connected in the middle of the fixed rod through a rotating shaft, the first separation net and the second separation net are arranged in the buffer pipe, and are sequentially arranged on the right side of the fixed rod from left to right; injection apparatus includes conveyer pipe, annular spray tube, toper shower nozzle and nozzle, the conveyer pipe left end is passed through the discharge gate and is connected with the discharging pipe right-hand member, annular spray tube inner circle outer wall is provided with a plurality of toper shower nozzles, be provided with a plurality of nozzles on the toper shower nozzle.

Further, the diameter of the right end of the feeding pipe is smaller than that of the left end of the feeding pipe.

Furthermore, the first separation net and the second separation net are both made of metal materials, and the diameter of the round hole in the second separation net is smaller than that of the round hole in the first separation net.

Furthermore, a one-way valve is arranged inside the flow guide pipe, and the one-way valve is positioned on one side close to the buffer pipe.

Further, the diameter of the discharge hole is smaller than that of the feed inlet.

Furthermore, the number of the conical spray heads is six, the conical spray heads are arranged on the inner ring wall of the annular spray pipe at equal intervals, and the central axis of each conical spray head is perpendicular to the normal line of the annular spray pipe.

Furthermore, the nozzles are annularly distributed on the conical spray head by taking the central axis of the conical spray head as the center.

The utility model has the following beneficial effects: through the improvement of the feeding pipe, the space for the gas to advance is reduced, the gas flow velocity is accelerated, and strong air pressure is formed, so that the fan is driven to rotate rapidly, and the passing desulfurizer powder is crushed; arranging a first separation net and a second separation net to further divide fine powder, and arranging a flow guide pipe to change the direction of a jet of air so that the jet of air collides with the air in the horizontal direction in a buffer pipe to more uniformly mix the powder and the air; the annular spray pipe and the plurality of spray heads on the annular spray pipe change the traditional single mode of conveying the desulfurizer, and the annular spray is formed in the flue gas pipeline through the plurality of spray nozzles, so that the desulfurizer is more uniformly mixed with the flue gas, and the effect is better; the arrangement of the nozzle enables the sprayed desulfurizer to form a fan-shaped range at the end part, so that the desulfurizer and the flue gas are mixed more fully. The desulfurization efficiency is improved, and the desulfurization effect is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a first screen mechanism according to the present invention;

FIG. 3 is a schematic view of a conical showerhead of the present invention;

FIG. 4 is a schematic view of a fan according to the present invention;

in the figure: 1-feeding hole, 2-feeding pipe, 3-buffer pipe, 4-fixing rod, 5-fan, 6-first separation net, 7-second separation net, 8-one-way valve, 9-guide pipe, 10-discharging pipe, 11-conveying pipe, 12-annular spray pipe, 13-conical spray head, 14-nozzle and 15-discharging hole.

Detailed Description

The following detailed description of embodiments of the utility model refers to the accompanying drawings.

As shown in fig. 1-4, the novel desulfurizer homogenizing injection device of the present invention comprises a homogenizing device and an injection device, wherein the homogenizing device comprises a feed inlet 1, a feed pipe 2, a buffer pipe 3, a buffer part, a discharge pipe 10 and a guide pipe 9, the feed inlet 1 is arranged at the left end of the feed pipe 2, the right end of the feed pipe 2 is connected with the left end of the buffer pipe 3 through a flange, the right end of the buffer pipe 3 is connected with the left end of the discharge pipe 10 through a flange, the right end of the guide pipe 9 is fixed on the outer surface of the discharge pipe 10, the left end is fixed on the outer surface of the buffer pipe 3, the buffer part comprises a fixing rod 4, a fan 5, a first separation net 6 and a second separation net 7, the fixing rod 4 is fixed at the upper end and the lower end of the inner side wall of the buffer pipe 3, the fan 5 is connected between the fixing rod 4 through a rotating shaft, the first separation net 6 and the second separation net 7 are arranged inside the buffer pipe 3, and are sequentially arranged on the right side of the fixed rod 4 from left to right; buffer tube 3 can prolong the time of desulfurizer and air in the pipeline, forms the intensity that a buffer space reduces the air current and release, and inside honeycomb duct 9 can be carried one air current from the buffer tube top for collide with the horizontally air current, make gas and powder further mix, and dead lever 4 supports fan 5 and rotates, and fan 5 can smash the massive desulfurizer that becomes, and first separates net 6 and second and separate the volume that net 7 can refine the desulfurizer.

The spraying device comprises a conveying pipe 11, an annular spraying pipe 12, a conical spray head 13 and spray nozzles 14, the left end of the conveying pipe is connected with the right end of a discharge pipe 10 through a discharge hole 15, the outer wall of the inner ring of the annular spraying pipe 12 is provided with a plurality of conical spray heads 13, and the conical spray heads 13 are provided with a plurality of spray nozzles 14; the annular spray pipe 12 and the plurality of conical spray heads 13 on the annular spray pipe change the traditional single mode of conveying the desulfurizer, and the annular spray is formed in the flue gas pipeline through the plurality of spray nozzles 14, so that the desulfurizer is more uniformly mixed with the flue gas, and the effect is better; the arrangement of the nozzles 14 enables the sprayed desulfurizer to form a fan-shaped range at the end, so that the desulfurizer and the flue gas are mixed more fully.

Illustratively, the diameter of the right end of the feeding pipe 2 is smaller than that of the left end; the space for the airflow to move forward is reduced, and the flowing speed of the airflow is increased.

Illustratively, the first separation net 6 and the second separation net 7 are both made of metal materials, and the diameter of the circular holes on the second separation net 7 is smaller than that of the circular holes on the first separation net 6; the damage of the separation net under the impact of faster airflow is avoided, the service life is prolonged, and the maintenance cost is reduced; and the volume of the desulfurizer particles is continuously reduced when the desulfurizer particles pass through the separation net along with the airflow, thereby being beneficial to better mixing of the desulfurizer and the flue gas.

Illustratively, a one-way valve 8 is arranged inside the draft tube 9, and the one-way valve is positioned at the side close to the buffer tube; so that the gas flow can only enter the interior from above the buffer pipe.

Illustratively, the diameter of the discharge port 15 is smaller than that of the feed port 1; the air pressure received when the desulfurizer is sprayed out from the discharge pipe 10 is larger, and the spraying range is farther.

Illustratively, the first separation net 6 and the second separation net 7 are arranged on the left side of the outlet of the draft tube.

Illustratively, the conical spray heads 13 are six and are arranged on the inner ring wall of the annular spray pipe 12 at equal intervals, the central axis of the conical spray heads 13 is perpendicular to the normal of the virtual plane where the annular spray pipe is located, and the nozzles 14 are annularly distributed on the conical spray heads 13 by taking the central axis of the conical spray heads 13 as the center.

The utility model has the following effects:

the space for the desulfurizer mixed gas to move forward is reduced, the gas flow speed is accelerated, and strong air pressure is formed, so that the fan is driven to rotate rapidly, and the passing desulfurizer powder is crushed; arranging a first separation net and a second separation net to further divide fine powder, and arranging a flow guide pipe to change the direction of a jet of air so that the jet of air collides with the air in the horizontal direction in a buffer pipe to more uniformly mix the powder and the air; the annular spray pipe and the plurality of spray heads on the annular spray pipe change the traditional single mode of conveying the desulfurizer, and the annular spray is formed in the flue gas pipeline through the plurality of spray nozzles, so that the desulfurizer is more uniformly mixed with the flue gas, and the effect is better; the arrangement of the nozzle enables the sprayed desulfurizer to form a fan-shaped range at the end part, so that the desulfurizer and the flue gas are mixed more fully. The desulfurization efficiency is improved, and the desulfurization effect is improved.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. The present invention is not limited to the above-described embodiments, which are described in the specification and illustrated only for illustrating the principle of the present invention, but various changes and modifications may be made within the scope of the present invention as claimed without departing from the spirit and scope of the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A novel desulfurizer homogenizing and spraying device is characterized in that: the device comprises a homogenizing device and an injection device, wherein the homogenizing device comprises a feed inlet, an inlet pipe, a buffer component, a discharge pipe and a guide pipe, the feed inlet is arranged at the left end of the inlet pipe, the right end of the inlet pipe and the left end of the buffer pipe are connected through a flange, the right end of the buffer pipe and the left end of the discharge pipe are connected through a flange, the right end of the guide pipe is fixed on the outer surface of the discharge pipe, the left end of the guide pipe is fixed on the outer surface of the buffer pipe, the buffer component comprises a fixed rod, a fan, a first separation net and a second separation net, the fixed rod is fixed at the upper end and the lower end of the inner side wall of the buffer pipe, the fan is connected in the middle of the fixed rod through a rotating shaft, the first separation net and the second separation net are arranged in the buffer pipe, and are sequentially arranged on the right side of the fixed rod from left to right;

injection apparatus includes conveyer pipe, annular spray tube, toper shower nozzle and nozzle, the conveyer pipe left end is passed through the discharge gate and is connected with the discharging pipe right-hand member, annular spray tube inner circle outer wall is provided with a plurality of toper shower nozzles, be provided with a plurality of nozzles on the toper shower nozzle.

2. The utility model discloses a novel desulfurizer homogenizing injection device, which is characterized in that the diameter of the right end of the feeding pipe is smaller than that of the left end.

3. The novel homogenizing injection device for desulfurizing agents according to claim 1, characterized in that: the first separation net and the second separation net are both made of metal materials, and the diameter of the round hole in the second separation net is smaller than that of the round hole in the first separation net.

4. The novel homogenizing injection device for desulfurizing agents according to claim 1, characterized in that: the inside of the flow guide pipe is provided with a one-way valve, and the one-way valve is positioned at one side close to the buffer pipe.

5. The novel homogenizing injection device for desulfurizing agents according to claim 1, characterized in that: the diameter of the discharge hole is smaller than that of the feed inlet.

6. The novel homogenizing injection device for desulfurizing agents according to claim 1, characterized in that: the six conical spray heads are arranged on the inner ring wall of the annular spray pipe at equal intervals, and the central axis of each conical spray head is perpendicular to the normal of the annular spray pipe.

7. The novel homogenizing injection device for desulfurizing agents according to claim 1, characterized in that: the nozzles are annularly distributed on the conical spray head by taking the central axis of the conical spray head as the center.

8. The novel homogenizing injection device for desulfurizing agents according to claim 1, characterized in that: the first separation net and the second separation net are both arranged on the left side of the outlet of the flow guide pipe.