Double-tube-bundle dedusting demister

Abstract

The utility model provides a double-tube-bundle dust and mist remover. The double-tube-bundle dust and mist eliminator comprises a bottom plate; the desulfurization tower is fixedly connected to the top of the bottom plate, and a plate type dust and mist removal device, a first-stage sprayer, a first-stage tube bundle dust and mist removal device, a fourth-stage sprayer, a second-stage tube bundle dust and mist removal device, a second-stage sprayer, a third-stage tube bundle dust and mist removal device and a third-stage sprayer are sequentially mounted in the desulfurization tower from bottom to top; mounting discs are mounted at the bottoms of the first-stage tube bundle dust and mist eliminator, the second-stage tube bundle dust and mist eliminator and the third-stage tube bundle dust and mist eliminator through fixing assemblies. According to the double-tube-bundle dedusting demister provided by the utility model, through the design, the double-tube-bundle dedusting demister can be utilized to ensure that particulate matters discharged by flue gas purified by a desulfurizing tower are less than or equal to 5mg / Nm < 3 > and reach an ultra-low emission standard, meanwhile, the water vapor concentration of flue gas emission is effectively reduced, the water vapor discharged into the atmosphere is reduced, and the aims of saving energy and reducing consumption are fulfilled.

Description

Technical Field

[0001] This utility model relates to the technical field of dual-tube bundle dust and mist collectors, and in particular to a dual-tube bundle dust and mist collector. Background Technology

[0002] A desulfurization tower is a tower-type equipment used to desulfurize industrial waste gas. Initially, desulfurization towers were most widely used when they were built with granite. They utilize the principle of water film desulfurization and dust removal and are also known as granite water film desulfurization and dust removal equipment or marble water film desulfurization and dust removal equipment.

[0003] In the desulfurization process, in order to ensure that the flue gas meets emission standards, desulfurization towers generally require auxiliary desulfurization treatments such as spray devices, plate dust collectors and demisters, and tube bundle dust collectors and demisters.

[0004] Because the traditional desulfurization tower outlet is designed with a single-layer tube bundle dust collector and demister, the separation efficiency is poor, resulting in excessive particulate matter emissions from the flue gas outlet and environmental pollution.

[0005] Therefore, it is necessary to provide a dual-tube bundle dust and mist eliminator to solve the above-mentioned technical problems. Utility Model Content

[0006] This utility model provides a dual-tube bundle dust and mist eliminator, which solves the problem that using a single-tube bundle dust and mist eliminator results in poor separation effect and easily leads to excessive emissions of particulate matter in flue gas, polluting the environment.

[0007] To solve the above-mentioned technical problems, the dual-tube bundle dust collector and demister provided by this utility model includes: a base plate;

[0008] A desulfurization tower is fixedly connected to the top of a base plate. Inside the desulfurization tower, from bottom to top, are sequentially installed a plate-type dust collector and demister, a primary sprayer, a primary tube bundle dust collector and demister, a fourth-stage sprayer, a second-stage tube bundle dust collector and demister, a second-stage sprayer, a third-stage tube bundle dust collector and demister, and a third-stage sprayer. The bottoms of the primary, secondary, and tertiary tube bundle dust collectors and demisters are all fitted with mounting plates via fixing components. Each fixing component includes fixing parts and a docking structure. The fixing parts are used to fix the docking structure on the mounting plate. Multiple conical inlet pipes are installed on the top of the mounting plate, and a conical outlet pipe is fixedly connected to the top of each conical inlet pipe.

[0009] Two diversion pipes are fixedly connected to the outer surface of the desulfurization tower on both sides. The inlets of the two diversion pipes are respectively connected to a conveying pipe and a tee. A conveying assembly is installed on the top of the bottom plate. A flue pipe is installed on the top of the desulfurization tower. A docking plate is fixedly connected to the other end of the flue pipe. A flue inlet pipe is installed on the outer surface of the desulfurization tower near the bottom.

[0010] The conical discharge pipe and the conical inlet pipe form a structure that is small in the middle and large at both ends, which can accelerate the flow of flue gas. The opening position of the conical discharge pipe and the bottom of the tube bundle dust collector and demister correspond to each other. The outlet of the conveying component is connected through a pipe and a tee.

[0011] Preferably, a control box is mounted on the top of the base plate, and a door is rotatably connected to the front of the control box;

[0012] The control box is equipped with a lock on the door, and the inside of the control box contains a power switch and a controller for controlling the operation of the equipment.

[0013] Preferably, a device frame is mounted on the top of the base plate, and a sealing cover is mounted on the top of the device frame.

[0014] Preferably, a temperature sensor is mounted on the top of the desulfurization tower via a mounting base, and a discharge pipe with a valve is installed on the outer surface of the desulfurization tower at the bottom position;

[0015] The valves can be manually opened and closed to facilitate the removal of impurities from the desulfurization tower.

[0016] Preferably, the delivery assembly includes a liquid storage component, an interception component, a mounting structure, a protective structure, a delivery component, a connecting pipe, and a suction pipe;

[0017] The delivery component is used to deliver the corresponding liquid to the sprayer.

[0018] Preferably, the liquid storage component is used to store liquid, the mounting structure is a blocking component that can intercept impurities, and the protective structure is used to install a conveying component that provides conveying force;

[0019] Connect the pipe and the tee.

[0020] Compared with related technologies, the dual-tube bundle dust collector and demister provided by this utility model has the following beneficial effects:

[0021] This utility model provides a dual-tube bundle dust collector and demister. To increase the precision of particulate removal from flue gas by the desulfurization tower, a plate-type dust collector and demister, a primary sprayer, a primary tube bundle dust collector and demister, a fourth-stage sprayer, a second-stage tube bundle dust collector and demister, a second-stage sprayer, a third-stage tube bundle dust collector and demister, and a third-stage sprayer are installed sequentially from bottom to top in the desulfurization tower. At the bottom of each of the primary, secondary, and tertiary tube bundle dust collectors and demisters, an installation plate is mounted via a fixing assembly. The installation plate is equipped with an acceleration channel consisting of multiple sets of conical inlet pipes and conical outlet pipes, with each channel corresponding to the inlet position of the tube bundle dust collector and demister, which can accelerate the flue gas velocity. Through this design, the dual-tube bundle dust collector and demister can ensure that the particulate matter emitted from the flue gas after purification by the desulfurization tower meets the ≤5mg / Nm3 standard, achieving ultra-low emission standards. At the same time, the water vapor concentration in the flue gas emission is effectively reduced, reducing water vapor emissions into the atmosphere and achieving the purpose of energy saving and consumption reduction. Attached Figure Description

[0022] Figure 1 A schematic diagram of a preferred embodiment of the dual-tube bundle dust collector and demister provided by this utility model;

[0023] Figure 2 A schematic diagram of the discharge pipe is provided for this utility model;

[0024] Figure 3 This utility model provides a structural schematic diagram of a plate-type dust collector and demister;

[0025] Figure 4 Provided for this utility model Figure 3 An enlarged view of point A shown;

[0026] Figure 5 A schematic diagram of the interception component provided for this utility model.

[0027] Numbered components in the diagram: 1. Base plate, 2. Inlet pipe, 3. Desulfurization tower, 4. Diversion pipe, 5. Exhaust pipe, 6. Connecting plate, 7. Temperature sensor, 8. Mounting base, 9. Conveying pipe, 10. T-joint, 11. Conveying assembly, 111. Liquid storage component, 112. Interception component, 113. Mounting structure, 114. Protective structure, 115. Conveying component, 116. Connecting pipe assembly, 117. Suction pipe, 12. Control box, 13. Box door, 14. Equipment frame 15. Sealing cap; 16. Valve; 17. Discharge pipe; 18. Primary tube bundle dust and mist collector; 19. Fixing assembly; 191. Fixing component; 192. Connecting structure; 20. Mounting plate; 21. Plate dust and mist collector; 22. Primary sprayer; 23. Secondary tube bundle dust and mist collector; 24. Secondary sprayer; 25. Tertiary tube bundle dust and mist collector; 26. Tertiary sprayer; 27. Conical discharge pipe; 28. Conical inlet pipe; 29. ​​Quaternary sprayer. Detailed Implementation

[0028] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0029] Please refer to the following: Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 ,in, Figure 1 A schematic diagram of a preferred embodiment of the dual-tube bundle dust collector and demister provided by this utility model; Figure 2 A schematic diagram of the discharge pipe is provided for this utility model; Figure 3 This utility model provides a structural schematic diagram of a plate-type dust collector and demister;

[0030] Figure 4 Provided for this utility model Figure 3 An enlarged view of point A shown; Figure 5 A structural schematic diagram of the interception component is provided for this utility model. The dual-tube bundle dust collector and demister includes: a base plate 1;

[0031] A desulfurization tower 3 is fixedly connected to the top of the base plate 1. Inside the desulfurization tower 3, from bottom to top, are installed a plate dust collector and demister 21, a primary sprayer 22, a primary tube bundle dust collector and demister 18, a fourth-stage sprayer 29, a secondary tube bundle dust collector and demister 23, a secondary sprayer 24, a tertiary tube bundle dust collector and demister 25, and a tertiary sprayer 26. The bottom of the primary tube bundle dust collector and demister 18, the secondary tube bundle dust collector and demister 23, and the tertiary tube bundle dust collector and demister 25 are all mounted with mounting plates 20 through fixing components 19. The fixing components 19 include fixing parts 191 and docking structures 192. The fixing parts 191 are used to fix the docking structures 192 on the mounting plates 20. The top of the mounting plates 20 is equipped with multiple conical inlet pipes 28, and the top of each conical inlet pipe 28 is fixedly connected to a conical outlet pipe 27.

[0032] Two diversion pipes 4 are fixedly connected to the outer surface of the desulfurization tower 3 on both sides. The inlets of the two diversion pipes 4 are respectively connected to a conveying pipe 9 and a tee head 10. A conveying assembly 11 is installed on the top of the bottom plate 1. A flue pipe 5 is installed on the top of the desulfurization tower 3. A docking plate 6 is fixedly connected to the other end of the flue pipe 5. A flue inlet pipe 2 is installed on the outer surface of the desulfurization tower 3 near the bottom.

[0033] The conical discharge pipe 27 and the conical inlet pipe 28 form a structure that is small in the middle and large at both ends, which can accelerate the flow of flue gas. The opening position of the conical discharge pipe 27 and the bottom of the tube bundle dust collector and demister 25 are corresponding. The outlet of the conveying component 11 is connected to the tee head 10 through a pipe. The tube bundle dust collector and demister is an existing structure, and its specific working principle is also existing.

[0034] A control box 12 is installed on the top of the base plate 1, and a door 13 is rotatably connected to the front of the control box 12;

[0035] The door 13 is equipped with a lock, and the control box 12 contains a power switch and a controller for controlling the operation of the equipment.

[0036] A device frame 14 is installed on the top of the base plate 1, and a sealing cover 15 is installed on the top of the device frame 14.

[0037] Equipment frame 14 is used to place auxiliary tools.

[0038] A temperature sensor 7 is mounted on the top of the desulfurization tower 3 via a mounting base 8, and a discharge pipe 17 with a valve 16 is installed on the bottom of the outer surface of the desulfurization tower 3.

[0039] Temperature sensor 7 can monitor temperature, and valve 16 can be manually opened and closed to facilitate the discharge of impurities from desulfurization tower 3.

[0040] The delivery assembly 11 includes a liquid storage component 111, an interception component 112, a mounting structure 113, a protective structure 114, a delivery component 115, a connecting pipe 116, and a suction pipe 117.

[0041] The delivery assembly 11 delivers the corresponding liquid to the sprayer.

[0042] The liquid storage component 111 is used to store liquid, the mounting structure 113 is a blocking component 112 that can intercept impurities, and the protective structure 114 is used to install a conveying component 115 that provides conveying force.

[0043] The connecting tube 116 is connected to the three-way connector 10, and the pipette 117 is inserted into the liquid storage component 111.

[0044] The working principle of the dual-tube bundle dust and mist remover provided by this utility model is as follows:

[0045] In the desulfurization tower 3, the following components are installed sequentially from bottom to top: plate dust collector and demister 21, primary sprayer 22, primary tube bundle dust collector and demister 18, quaternary sprayer 29, secondary tube bundle dust collector and demister 23, secondary sprayer 24, tertiary tube bundle dust collector and demister 25, and tertiary sprayer 26. At the bottom of each of the primary, secondary, and tertiary tube bundle dust collectors and demisters 18, 23, and 25, a mounting plate 20 is installed via a fixing assembly 19. The mounting plate 20 is equipped with an acceleration channel consisting of multiple sets of conical inlet pipes 28 and conical outlet pipes 27, aligning each channel with the inlet position of the tube bundle dust collector and demister 18 to accelerate the flue gas flow rate. In actual use, the flue gas passes through... The flue gas enters the interior of the desulfurization tower 3 through the inlet pipe 2, and then passes sequentially through the plate dust collector and demister 21, the primary tube bundle dust collector and demister 18, the secondary tube bundle dust collector and demister 23, and the tertiary tube bundle dust collector and demister 25. During this process, the flue gas is accelerated through the acceleration channel composed of the conical inlet pipe 28 and the conical outlet pipe 27. The flue gas enters the multi-stage cyclone layer built into the tube bundle dust collector and demister, and the particulate matter at the flue gas outlet of the desulfurization tower is removed to the maximum extent by passing through the multi-stage cyclone layer built into the tube bundle dust collector and demister, so as to meet the ultra-low emission requirements of particulate matter at the outlet of the desulfurization tower. During this process, the primary sprayer 22, the quaternary sprayer 29, the secondary sprayer 24, and the tertiary sprayer 26 are required to assist in the removal of particles.

[0046] Compared with related technologies, the dual-tube bundle dust collector and demister provided by this utility model has the following beneficial effects:

[0047] To increase the precision of particulate removal from flue gas by the desulfurization tower, the following components are installed sequentially from bottom to top in the desulfurization tower 3: plate dust collector and demister 21, primary sprayer 22, primary tube bundle dust collector and demister 18, quaternary sprayer 29, secondary tube bundle dust collector and demister 23, secondary sprayer 24, tertiary tube bundle dust collector and demister 25, and tertiary sprayer 26. The bottoms of the primary tube bundle dust collector and demister 18, secondary tube bundle dust collector and demister 23, and tertiary tube bundle dust collector and demister 25 are secured by fixing components 19. An installation plate 20 is installed, on which an acceleration channel composed of multiple sets of conical inlet pipes 28 and conical outlet pipes 27 is installed. Each channel corresponds to the inlet position of the tube bundle dust collector and demister 18, which can accelerate the flue gas velocity. Through this design, the particulate matter emitted from the flue gas after purification by the desulfurization tower can meet the ≤5mg / Nm3 standard, achieving ultra-low emission standards. At the same time, the concentration of water vapor in the flue gas emission is effectively reduced, reducing water vapor emissions into the atmosphere and achieving the purpose of energy saving and consumption reduction.

[0048] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A dual tube bundle dust and mist eliminator characterized by, Include: The bottom plate; Desulfurization tower, the desulfurization tower is fixedly connected at the top of the bottom plate, the inside of the desulfurization tower is sequentially installed with plate dust and mist eliminator, first-stage sprayer, first-stage tube bundle dust and mist eliminator, four-stage sprayer, second-stage tube bundle dust and mist eliminator, second-stage sprayer, third-stage tube bundle dust and mist eliminator and third-stage sprayer from bottom to top, the bottom of the first-stage tube bundle dust and mist eliminator, the second-stage tube bundle dust and mist eliminator and the third-stage tube bundle dust and mist eliminator are all installed with mounting disc through fixing assembly, the fixing assembly contains fixing part and butt joint structure, the fixing part is used for fixing the butt joint structure on the mounting disc, the top of the mounting disc is installed with multiple conical inlet pipes, the top end of each conical inlet pipe is fixedly connected with conical outlet pipe; Two shunt pipes, two shunt pipes are fixedly connected at the position on the outer surface of the desulfurization tower, the inlet of two shunt pipes is connected through conveying pipe and tee joint respectively, the top of the bottom plate is installed with conveying assembly, the top of the desulfurization tower is installed with smoke exhaust pipe, the other end of the smoke exhaust pipe is fixedly connected with butt joint disc, the position close to the bottom of the outer surface of the desulfurization tower is installed with smoke inlet pipe.

2. The dual tube bundle mist eliminator of claim 1, wherein, The top of the bottom plate is installed with control box, the front of the control box is rotatably connected with box door.

3. The dual tube bundle mist eliminator of claim 1 wherein, The top of the bottom plate is installed with equipment frame, the top of the equipment frame is installed with sealing cover.

4. The dual tube bundle mist eliminator of claim 1 wherein, The top of the desulfurization tower is installed with temperature sensor through mounting base, the position on the outer surface of the desulfurization tower is installed with one outlet pipe with valve.

5. The dual tube bundle mist eliminator of claim 1 wherein, The conveying assembly contains liquid storage part, interception part, mounting structure, protection structure, conveying part, connecting pipe and suction pipe.

6. The dual tube bundle mist eliminator of claim 5 wherein, The liquid storage part is used for storing liquid, the mounting structure is used for intercepting impurities with interception part, the protection structure is used for mounting conveying part providing conveying force.

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