Low-temperature denitration device for waste incineration power generation

Abstract

The utility model provides a low-temperature denitration device for waste incineration power generation, which belongs to the field of tail gas treatment equipment and comprises a denitration box, a mixing cavity is arranged in the denitration box, water storage tanks are symmetrically arranged on two sides of the denitration box, a conveying pipeline is connected onto the water storage tanks, and a spraying component for uniformly spraying is connected onto the conveying pipeline. When the flue gas denitration device is used, flue gas subjected to temperature reduction and dust falling is firstly introduced into the mixing box through a pipeline, a water pump is started, a denitration agent in a water storage tank is pumped through the water pump, the denitration agent is conveyed into a spraying pipeline through a conveying pipeline, the denitration agent is sprayed into the mixing box through an atomizing nozzle on the spraying pipeline, and the mixing box is heated to be cooled and dedusted. And when the spraying pipeline sprays the denitration agent, the driving motor is started, the output end of the driving motor drives the rotating plate to rotate, the rotating plate drives the connecting rod to rotate, one end of the connecting rod is driven by the rotating plate to rotate, and the other end of the connecting rod slides on the sliding rod and drives the sliding rod to swing up and down.

Description

Technical Field

[0001] The utility model relates to the field of tail gas treatment equipment, in particular to a low-temperature denitration device for garbage incineration power generation. Background Art

[0002] Incineration of domestic waste can achieve reduction, resource utilization and harmlessness, but the incineration process will produce flue gas containing HCL, SO2, NOx and other harmful substances. Conventionally, "semi-dry / dry deacidification + bag filter" is used to treat flue gas, but most of the existing denitrification devices install a spray component in the denitrification box. The spray component is stationary in the denitrification box to spray denitrification agent into the denitrification box. However, because the spray component is stationary in the denitrification box, the denitrification agent cannot be evenly sprayed in the denitrification box, and the sprayed denitrification agent cannot be well mixed with impurities in the flue gas, resulting in less than ideal denitrification effect. Utility Model Content

[0003] In view of this, the utility model provides a low-temperature denitration device for garbage incineration power generation, which can pass the flue gas after cooling and dust reduction into a mixing box through a pipeline, start a water pump, use the water pump to extract the denitration agent in the water storage tank, and transport the denitration agent to the spray pipe through a delivery pipeline, and spray the denitration agent into the mixing box through an atomizing nozzle on the spray pipe, so as to remove impurities and denitrate the flue gas in the mixing box. When the spray pipe sprays the denitration agent, start a driving motor, drive the output end of the motor to drive the rotating plate to rotate, the rotating plate drives the connecting rod to rotate, one end of the connecting rod is driven to rotate by the rotating plate, and the other end of the connecting rod slides on the sliding rod and drives the sliding rod to swing up and down, the sliding rod is connected to the connecting plate, and the connecting plate is rotatably arranged on the limit rod. When the sliding rod swings up and down, the sliding rod drives the connecting plate to swing up and down, and the connecting plate drives the spray pipe to swing up and down, so that the sprayed denitration agent can have a larger spraying area in the mixing chamber, so that the denitration agent can better contact and mix with the flue gas, and impurities in the flue gas are removed.

[0004] In order to solve the above technical problems, the utility model provides a low-temperature denitrification device for waste incineration power generation, including a denitrification box, which is used to treat flue gas. A mixing chamber is provided in the denitrification box, which is used to mix the flue gas with an agent. Water storage tanks are symmetrically provided on both sides of the denitrification box, which are used to store denitrification agents. A conveying pipeline is connected to the water storage tank, which is used to convey the denitrification agents. A spraying assembly for uniform spraying is connected to the conveying pipeline, and the spraying assembly is arranged in the mixing chamber.

[0005] The spraying assembly comprises a connecting block, which is used for connecting the denitration box. The connecting block is symmetrically arranged on the denitration box and is arranged in the mixing chamber.

[0006] A limiting rod is connected to the connecting block, and the limiting rod is used to limit the connecting plate. A connecting plate is symmetrically arranged on the limiting rod, and the connecting plate is used to connect the spray pipe and the sliding rod. The connecting plate is rotatably arranged on the limiting rod.

[0007] A spray pipe is connected to one end of the connecting plate, and the spray pipe is used to spray the denitrification agent into the mixing chamber. The conveying pipe is connected to the spray pipe. A plurality of atomizing nozzles are connected to the spray pipe. The atomizing nozzles are used to make the denitrification agent smaller in volume when sprayed out so that it can better react with harmful substances in the flue gas. A sliding rod is connected to the other end of the connecting plate, and the sliding rod is used to connect with the connecting rod and drive the connecting rod to swing up and down.

[0008] A boss is provided on one side of the denitrification box, and the boss is used to connect and support the driving motor. The boss is connected with a driving motor, and the driving motor is used to drive the rotating plate to rotate. A rotating plate is connected to the output end of the driving motor, and the rotating plate is used to drive the connecting rod to rotate.

[0009] A limiting circular hole is provided at one end of the rotating plate, and the limiting circular hole is used to limit the connecting rod so that the connecting rod can adjust its length at any time when the rotating plate rotates, so that the connecting rod can slide on the sliding rod and drive the sliding rod to swing up and down. A connecting rod is slidably provided on the sliding rod, and the connecting rod is used to drive the sliding rod to swing up and down, and one end of the connecting rod is slidably set in the limiting circular hole.

[0010] The other end of the connecting rod is slidably arranged on the sliding rod, and a water pump is connected to the delivery pipeline. The water pump is used to extract the denitrification agent in the water tank and transport it to the spray pipe through the delivery pipeline, and then spray it in the mixing chamber through the atomizing nozzle.

[0011] The beneficial effects of the above technical solution of the utility model are as follows:

[0012] 1. The pipe will pass the flue gas after cooling and dust reduction into the mixing box, start the water pump, use the water pump to extract the denitrification agent in the water storage tank, and transport the denitrification agent to the spray pipe through the conveying pipe. The denitrification agent is sprayed into the mixing box through the atomizing nozzle on the spray pipe to remove impurities and denitrify the flue gas in the mixing box.

[0013] 2. When the spray pipe sprays the denitrification agent, start the drive motor, the output end of the drive motor drives the rotating plate to rotate, the rotating plate drives the connecting rod to rotate, one end of the connecting rod is driven to rotate by the rotating plate, and the other end of the connecting rod slides on the slide rod and drives the slide rod to swing up and down.

[0014] 3. The sliding rod is connected to the connecting plate, and the connecting plate is rotatably set on the limit rod. When the sliding rod swings up and down, the sliding rod drives the connecting plate to swing up and down, and the connecting plate drives the spray pipe to swing up and down, so that the sprayed denitrification agent can have a larger spraying area in the mixing chamber, so that the denitrification agent can better contact and mix with the flue gas, and remove impurities in the flue gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the main structure of the low-temperature denitrification device for waste incineration power generation of the utility model;

[0016] Figure 2 It is a left side cross-sectional structural schematic diagram of the utility model;

[0017] Figure 3 It is a right side cross-sectional structural schematic diagram of the utility model;

[0018] Figure 4 This is a schematic diagram of a cross-sectional structure of a spray assembly of the utility model viewed from above;

[0019] Figure 5 It is a partial structural schematic diagram of A of the present utility model.

[0020] Explanation of the reference numerals: 100, denitrification tank; 101, mixing chamber; 102, water tank; 103, delivery pipeline; 110, spray assembly; 111, connecting block; 112, limiting rod; 113, connecting plate; 114, spray pipeline; 115, atomizing nozzle; 116, sliding rod; 117, boss; 118, driving motor; 119, rotating plate; 120, limiting circular hole; 121, connecting rod; 122, water pump. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the following will be combined with the appended drawings of the embodiment of the utility model. Figure 1-4 , the technical scheme of the embodiment of the utility model is clearly and completely described. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the utility model.

[0022] like Figure 1-4 As shown:

[0023] The present embodiment provides a low-temperature denitration device for waste incineration power generation, including a denitration box 100, which is used to treat flue gas. A mixing chamber 101 is provided in the denitration box 100, and the mixing chamber 101 is used to mix the flue gas with an agent. Water tanks 102 are symmetrically provided on both sides of the denitration box 100, and the water tanks 102 are used to store denitration agents. A delivery pipeline 103 is connected to the water tank 102, and the delivery pipeline 103 is used to transport the denitration agent. A spraying component 110 for uniform spraying is connected to the delivery pipeline 103, and the spraying component 110 is arranged in the mixing chamber 101.

[0024] The spray assembly 110 includes a connection block 111 , which is used to connect to the denitration box 100 . The connection block 111 is symmetrically arranged on the denitration box 100 . The connection block 111 is fixedly connected to the denitration box 100 , and the connection block 111 is arranged in the mixing chamber 101 .

[0025] A limiting rod 112 is connected to the connecting block 111, and both ends of the limiting rod 112 are fixedly arranged on the connecting block 111. The limiting rod 112 is used to limit the connecting plate 113. Connecting plates 113 are symmetrically arranged on the limiting rod 112. The connecting plates 113 are used to connect the spray pipe 114 and the sliding rod 116. The connecting plates 113 are rotatably arranged on the limiting rod 112.

[0026] A spray pipe 114 is fixedly connected to one end of the connecting plate 113, and the spray pipe 114 is arranged on one side of the limit rod 112. The spray pipe 114 is used to spray the denitrification agent into the mixing chamber 101. The conveying pipe 103 is connected to the spray pipe 114. A plurality of atomizing nozzles 115 are sealed and connected on the spray pipe 114. The atomizing nozzle 115 is used to make the denitrification agent smaller in volume when sprayed out so that it can better react with harmful substances in the flue gas. A sliding rod 116 is connected to the other end of the connecting plate 113. The sliding rod 116 is arranged on the other side of the limit rod 112 and the side close to the denitrification box 100. The sliding rod 116 is used to connect with the connecting rod 121 and drive the connecting rod 121 to swing up and down.

[0027] A boss 117 is provided on one side of the denitrification box 100. The boss 117 is fixedly arranged on the denitrification box 100. The boss 117 is used to connect and support a driving motor 118. The driving motor 118 is fixedly connected to the boss 117. The driving motor 118 is used to drive a rotating plate 119 to rotate. The output end of the driving motor 118 is connected to a rotating plate 119. The rotating plate 119 is arranged in the mixing chamber 101. The rotating plate 119 is used to drive a connecting rod 121 to rotate.

[0028] A limiting circular hole 120 is provided at one end of the rotating plate 119, and the limiting circular hole 120 is used to limit the connecting rod 121, so that the connecting rod 121 can adjust the length at any time when the rotating plate 119 rotates, so that the connecting rod 121 can slide on the sliding rod 116 and drive the sliding rod 116 to swing up and down. The sliding rod 116 is slidably provided with a connecting rod 121, and the connecting rod 121 is used to drive the sliding rod 116 to swing up and down, and one end of the connecting rod 121 is slidably set in the limiting circular hole 120.

[0029] The other end of the connecting rod 121 is slidably set on the sliding rod 116, and a water pump 122 is connected to the delivery pipe 103. The water pump 122 is used to extract the denitrification agent in the water tank 102 and transport it to the spray pipe 114 through the delivery pipe 103, and spray it in the mixing chamber 101 through the atomizing nozzle 115.

[0030] Working principle: When in use, first pass the flue gas after cooling and dust reduction into the mixing box through the pipeline, start the water pump 122, use the water pump 122 to extract the denitrification agent in the water storage tank 102, and transport the denitrification agent to the spray pipe 114 through the delivery pipe 103, and spray the denitrification agent into the mixing box through the atomizing nozzle 115 on the spray pipe 114, and perform impurity removal and denitrification treatment on the flue gas in the mixing box. When the spray pipe 114 sprays the denitrification agent, start the drive motor 118, and the output end of the drive motor 118 drives the rotating plate 119 to rotate, and the rotating plate 119 drives the connecting rod 121 Rotate, one end of the connecting rod 121 is driven to rotate by the rotating plate 119, and the other end of the connecting rod 121 slides on the sliding rod 116 and drives the sliding rod 116 to swing up and down, the sliding rod 116 is connected to the connecting plate 113, and the connecting plate 113 is rotatably set on the limit rod 112. When the sliding rod 116 swings up and down, the sliding rod 116 drives the connecting plate 113 to swing up and down, and the connecting plate 113 drives the spray pipe 114 to swing up and down, so that the sprayed denitrification agent can have a larger spraying area in the mixing chamber 101, so that the denitrification agent can better contact and mix with the flue gas, and remove impurities in the flue gas.

[0031] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0032] The above is a preferred embodiment of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A low-temperature denitrification device for waste incineration power generation, characterized in that: The invention comprises a denitration box (100), wherein a mixing chamber (101) is arranged in the denitration box (100), and water storage tanks (102) are symmetrically arranged on both sides of the denitration box (100), a delivery pipeline (103) is connected to the water storage tank (102), a spraying assembly (110) for uniform spraying is connected to the delivery pipeline (103), and the spraying assembly (110) is arranged in the mixing chamber (101).

2. A low-temperature denitration device for waste incineration power generation as claimed in claim 1, characterized in that: The spray assembly (110) comprises a connection block (111), wherein the connection block (111) is symmetrically arranged on the denitration box (100), and the connection block (111) is arranged in the mixing chamber (101).

3. A low-temperature denitration device for waste incineration power generation as claimed in claim 2, characterized in that: The connection block (111) is connected to a limiting rod (112), the limiting rod (112) is symmetrically provided with a connecting plate (113), and the connecting plate (113) is rotatably arranged on the limiting rod (112).

4. A low-temperature denitration device for waste incineration power generation as claimed in claim 3, characterized in that: One end of the connecting plate (113) is connected to a spray pipe (114), the delivery pipe (103) is connected to the spray pipe (114), a plurality of atomizing nozzles (115) are connected to the spray pipe (114), and the other end of the connecting plate (113) is connected to a sliding rod (116).

5. A low-temperature denitration device for waste incineration power generation as claimed in claim 4, characterized in that: A boss (117) is provided on one side of the denitration box (100), a driving motor (118) is connected to the boss (117), a rotating plate (119) is connected to the output end of the driving motor (118), and the rotating plate (119) is arranged in the mixing chamber (101).

6. A low-temperature denitration device for waste incineration power generation as claimed in claim 5, characterized in that: A limiting circular hole (120) is provided at one end of the rotating plate (119), a connecting rod (121) is slidably provided on the sliding rod (116), and one end of the connecting rod (121) is slidably disposed in the limiting circular hole (120).

7. A low-temperature denitration device for waste incineration power generation as claimed in claim 6, characterized in that: The other end of the connecting rod (121) is slidably disposed on the sliding rod (116), and a water pump (122) is connected to the delivery pipeline (103).

Images