CN211635966U - Denitration and desulfurization boiler waste heat recovery device - Google Patents

Denitration and desulfurization boiler waste heat recovery device Download PDF

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Publication number
CN211635966U
CN211635966U CN201922111099.3U CN201922111099U CN211635966U CN 211635966 U CN211635966 U CN 211635966U CN 201922111099 U CN201922111099 U CN 201922111099U CN 211635966 U CN211635966 U CN 211635966U
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wall
heat recovery
waste heat
filter screen
denitration
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CN201922111099.3U
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刘彦章
周尚卫
向小雄
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Kunming Zhongtianda Frp Development And Research Co ltd
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Kunming Zhongtianda Frp Development And Research Co ltd
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Abstract

The utility model discloses a desulfurated boiler waste heat recovery device of denitration, including boiler body, waste heat recovery case, mixing box and desulfurizing tower, waste heat recovery case's top outer wall is provided with the rose box, and the top inner wall of rose box and boiler body's top inner wall is provided with same first air duct, the inner wall of rose box is provided with filter mechanism, and the bottom inner wall of rose box and waste heat recovery case's top inner wall are provided with same second air duct, one side outer wall of waste heat recovery case is provided with the water pump, and one side inner wall of the input of water pump and waste heat recovery case is provided with same second aqueduct, and the output of water pump and one side inner wall of boiler body are provided with same first aqueduct. The utility model discloses a be provided with first filter screen, second filter screen, third filter screen, connecting plate and pull ring, through at first carrying out simple filtration to waste gas, can prevent effectively that waste gas from causing the jam to the coiled pipe, improved the life of coiled pipe.

Description

Denitration and desulfurization boiler waste heat recovery device
Technical Field
The utility model relates to a waste heat recovery technical field especially relates to a SOx/NOx control's boiler waste heat recovery device.
Background
The boiler is an energy conversion device, the energy input into the boiler is chemical energy and electric energy in fuel, and the boiler outputs steam, high temperature or organic heat carrier with certain heat energy.
Through the retrieval, chinese patent is granted No. for CN 207649120U's patent, discloses a boiler waste heat recovery device, including boiler main body and exhaust-gas treatment jar, boiler main body's bottom fixedly connected with support column, boiler main body's inside is equipped with the combustion chamber, one side joint of boiler main body has the second inlet tube, boiler main body's top is connected with the exhaust-gas treatment jar through flue gas conveyer pipe. The above patents also suffer from the following disadvantages: when heat is recovered, waste gas is not filtered, so that the coiled pipe is easily blocked by dust, and the service life of the device is shortened.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a boiler waste heat recovery device for denitration and desulfurization.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a SOx/NOx control's boiler waste heat recovery device, includes boiler body, waste heat recovery case, mixing box and desulfurizing tower, waste heat recovery case's top outer wall is provided with the rose box, and the top inner wall of rose box and boiler body's top inner wall is provided with same first air duct, the inner wall of rose box is provided with filter equipment, and the bottom inner wall of rose box and waste heat recovery case's top inner wall are provided with same second air duct, one side outer wall of waste heat recovery case is provided with the water pump, and one side inner wall of the input of water pump and waste heat recovery case is provided with same second aqueduct, and the output of water pump and one side inner wall of boiler body are provided with same first aqueduct.
Furthermore, a coiled pipe is installed on the inner wall of the waste heat recovery tank, and the other end of the second water guide pipe is connected with one end of the coiled pipe.
Further, filtering mechanism is including the draw-in groove, and the inner wall joint of draw-in groove has first filter screen, second filter screen and third filter screen.
Furthermore, the top outer walls of the first filter screen, the second filter screen and the third filter screen are provided with connecting plates, and pull rings are arranged on the top outer walls of the connecting plates.
Further, one side inner wall of mixing box and one side inner wall of waste heat recovery case set up in same third air duct, and the top outer wall of mixing box is provided with the motor.
Furthermore, the output shaft of motor has the bull stick through the coupling joint, and the outer wall of bull stick is provided with puddler and triangle stirring frame.
Furthermore, one side outer wall of mixing box is provided with the fan, and the input of fan and one side inner wall of mixing box are provided with same fourth air duct, and the output of fan and one side inner wall of desulfurizing tower are provided with same fifth air duct.
Furthermore, the waste heat recovery device also comprises spoilers arranged on the inner walls of the two sides of the waste heat recovery box.
The utility model has the advantages that:
1. through being provided with first filter screen, second filter screen, third filter screen, connecting plate and pull ring, through at first carrying out simple filtration to waste gas, can prevent effectively that waste gas from causing the jam to the coiled pipe, improved the life of coiled pipe.
2. Through being provided with coiled pipe, water pump, first aqueduct and second aqueduct, after cold water and high temperature waste gas carry out the heat transfer, let in the boiler body with the water of heating, effectual recovery to the waste heat has improved thermal rate of recovery.
3. Through being provided with motor, bull stick, puddler and triangle agitator, open the motor, the motor drives the bull stick and rotates, and then puddler and triangle agitator can carry out abundant mixture to waste gas and alkali lye, have improved exhaust-gas treatment efficiency.
4. The flow blocking plate can reduce the flow speed of the waste gas, increase the contact time of the waste gas and the coiled pipe and improve the heat recovery quality.
Drawings
Fig. 1 is a schematic structural diagram of a boiler waste heat recovery device for denitration and desulfurization provided in embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a second filter screen of the boiler waste heat recovery device for denitration and desulfurization provided in embodiment 1 of the present invention;
fig. 3 is the utility model discloses embodiment 2 provides a desulfurized boiler waste heat recovery device's of denitration spoiler schematic structural diagram.
In the figure: 1-a boiler body, 2-a first air duct, 3-a first water duct, 4-a water pump, 5-a second water duct, 6-a pull ring, 7-a first filter screen, 8-a filter box, 9-a second air duct, 10-a coiled pipe, 11-a motor, 12-a third air duct, 13-a stirring rod, 14-a triangular stirring frame, 15-a rotating rod, 16-a fourth air duct, 17-a fan, 18-a fifth air duct, 19-a desulfurizing tower, 20-a second filter screen, 21-a connecting plate, 22-a third filter screen, 23-a clamping groove and 24-a spoiler.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of 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 not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1
Referring to fig. 1 and 2, a SOx/NOx control's boiler waste heat recovery device, including boiler body 1, the waste heat recovery case, mixing box and desulfurizing tower 19, the top outer wall of waste heat recovery case has filter box 8 through the fix with screw, and there is same first air duct 2 top inner wall of filter box 8 and boiler body 1 through flange joint, the inner wall welding of filter box 8 has filter mechanism, and there is same second air duct 9 bottom inner wall of filter box 8 and waste heat recovery case's top inner wall through flange joint, one side outer wall of waste heat recovery case has water pump 4 through the fix with screw, and there is same second aqueduct 5 input of water pump 4 and one side inner wall of waste heat recovery case through flange joint, there is same first aqueduct 3 output of water pump 4 and one side inner wall of boiler body 1 through flange joint.
Wherein, the inner wall of the waste heat recovery tank is provided with a coiled pipe 10, and the other end of the second water guiding pipe 5 is connected with one end of the coiled pipe 10.
Wherein, filtering mechanism is including draw-in groove 23, and the inner wall joint of draw-in groove 23 has first filter screen 7, second filter screen 20 and third filter screen 22, and the top outer wall of first filter screen 7, second filter screen 20 and third filter screen 22 has connecting plate 21 through the fix with screw, and the welding of the top outer wall of connecting plate 21 has pull ring 6.
Wherein, flange joint passes through in one side inner wall of one side of mixing box and one side inner wall of waste heat recovery case in same third air duct 12, and the top outer wall of mixing box passes through the fix with screw and has motor 11.
Wherein, the output shaft of motor 11 has bull stick 15 through the coupling joint, and the outer wall welding of bull stick 15 has puddler 13 and triangle stirring frame 14.
Wherein, the outer wall of one side of mixing box is fixed with fan 17 through the screw, and there is same fourth air duct 16 the input of fan 17 and one side inner wall of mixing box through flange joint, and there is same fifth air duct 18 the output of fan 17 and one side inner wall of desulfurizing tower 19 through flange joint.
The working principle is as follows: connect the power with equipment, open fan 17, lead to the rose box 8 with waste gas through first air duct 2 in, waste gas is through first filter screen 7, second filter screen 20 and third filter screen 22 carry out simple filtration, waste gas enters into the waste heat recovery case, let in cold water in coiled pipe 10, waste gas enters into the mixing box through third air duct 12, open motor 11, motor 11 drives bull stick 15 and rotates, make waste gas and mixed liquid carry out abundant mixture, last waste gas enters into desulfurizing tower 19, open water pump 4, can be with the leading-in boiler body 1 of water after heating through first aqueduct 3 and second aqueduct 5.
Example 2
Referring to fig. 3, the denitration and desulfurization boiler waste heat recovery device further comprises spoilers 24 welded on the inner walls of the two sides of the waste heat recovery tank.
The working principle is as follows: connect the power with equipment, open fan 17, lead to the rose box 8 through first air duct 2 with waste gas in, waste gas is through first filter screen 7, second filter screen 20 and third filter screen 22 carry out simple filtration, waste gas enters into the waste heat recovery case, let in cold water in coiled pipe 10, waste gas enters into the mixing box through third air duct 12, open motor 11, motor 11 drives bull stick 15 and rotates, make waste gas and mixed liquid carry out abundant mixture, last waste gas enters into desulfurizing tower 19, open water pump 4, can be with the leading-in boiler body 1 of water after heating through first aqueduct 3 and second aqueduct 5, spoiler 24 can reduce the velocity of flow of waste gas in addition, increase the contact time of waste gas and coiled pipe 10, thermal recovery quality has been improved.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (8)

1. A boiler waste heat recovery device for denitration and desulfurization comprises a boiler body (1), a waste heat recovery tank, a mixing tank and a desulfurization tower (19), it is characterized in that the outer wall of the top of the waste heat recovery tank is provided with a filter tank (8), the inner wall of the top of the filter tank (8) and the inner wall of the top of the boiler body (1) are provided with the same first air duct (2), the inner wall of the filter tank (8) is provided with a filtering mechanism, and the bottom inner wall of the filter box (8) and the top inner wall of the waste heat recovery box are provided with the same second air duct (9), the outer wall of one side of the waste heat recovery box is provided with a water pump (4), and the input end of the water pump (4) and the inner wall of one side of the waste heat recovery tank are provided with the same second water guide pipe (5), and the output end of the water pump (4) and the inner wall of one side of the boiler body (1) are provided with the same first water guide pipe (3).
2. The denitration and desulfurization boiler waste heat recovery device according to claim 1, wherein a coil pipe (10) is installed on the inner wall of the waste heat recovery tank, and the other end of the second water guide pipe (5) is connected with one end of the coil pipe (10).
3. The denitration and desulfurization boiler waste heat recovery device according to claim 2, wherein the filtering mechanism comprises a clamping groove (23), and a first filter screen (7), a second filter screen (20) and a third filter screen (22) are clamped on the inner wall of the clamping groove (23).
4. The denitration and desulfurization boiler waste heat recovery device according to claim 3, wherein the top outer walls of the first filter screen (7), the second filter screen (20) and the third filter screen (22) are provided with connecting plates (21), and the top outer walls of the connecting plates (21) are provided with pull rings (6).
5. The denitration and desulfurization boiler waste heat recovery device according to claim 1, wherein one side inner wall of the mixing box and one side inner wall of the waste heat recovery box are arranged on the same third gas guide pipe (12), and the top outer wall of the mixing box is provided with the motor (11).
6. The denitration and desulfurization boiler waste heat recovery device according to claim 5, wherein the output shaft of the motor (11) is connected with a rotating rod (15) through a coupling, and the outer wall of the rotating rod (15) is provided with a stirring rod (13) and a triangular stirring frame (14).
7. The denitration and desulfurization boiler waste heat recovery device according to claim 6, wherein the outer wall of one side of the mixing box is provided with a fan (17), the input end of the fan (17) and the inner wall of one side of the mixing box are provided with the same fourth gas guide pipe (16), and the output end of the fan (17) and the inner wall of one side of the desulfurization tower (19) are provided with the same fifth gas guide pipe (18).
8. The denitration and desulfurization boiler waste heat recovery device according to claim 7, further comprising spoilers (24) disposed on the inner walls of both sides of the waste heat recovery tank.
CN201922111099.3U 2019-11-30 2019-11-30 Denitration and desulfurization boiler waste heat recovery device Active CN211635966U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922111099.3U CN211635966U (en) 2019-11-30 2019-11-30 Denitration and desulfurization boiler waste heat recovery device

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Application Number Priority Date Filing Date Title
CN201922111099.3U CN211635966U (en) 2019-11-30 2019-11-30 Denitration and desulfurization boiler waste heat recovery device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114353319A (en) * 2022-01-14 2022-04-15 遵义朝宇锅炉有限公司 Clear stifled device and boiler equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114353319A (en) * 2022-01-14 2022-04-15 遵义朝宇锅炉有限公司 Clear stifled device and boiler equipment

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