Demisting device for net part of paper machine

Abstract

The utility model provides a paper machine net part demisting device, which belongs to the technical field of demisting devices, and comprises a device box, the upper surface of the device box is fixedly connected with a controller, and the lower surface of the device box is fixedly connected with four support columns. Due to the fact that the condensation assembly and the liquid drainage structure are arranged, under the normal condition, the sealing chuck can seal the lower end of the guide pipe, at the moment, external water vapor and waste gas can be led into the device through the guide pipe by starting the air pump, and after the water vapor enters the guide pipe, under the work of the condenser and the condensation pipe, the water vapor and the waste gas can be recycled. The water vapor can be quickly condensed into water drops to be retained in the guide pipe, under the action of gravity, the water drops automatically fall to the upper side of the liquid discharge structure, in addition, waste gas is introduced into the adsorption box along the absorption pipe, and then separation and treatment of the waste gas and the water vapor are optimized.

Description

Technical Field

[0001] This utility model belongs to the technical field of defogging devices, and particularly relates to a defogging device for the wire section of a papermaking machine. Background Technology

[0002] During the operation of a paper machine, the wire section, as the core area for paper formation, generates a large amount of moist droplets, referred to as "mist," due to the evaporation of a large amount of water, the splashing of free water in the pulp, and the suction force of the vacuum dewatering device. This mist contains fine fibers, fillers, chemicals, etc., and if not treated promptly, it can lead to problems such as equipment corrosion, fluctuations in paper quality, and deterioration of the workshop environment.

[0003] A paper machine wire section defogging device is disclosed in publication number CN213668404U, including a defogging box, a negative pressure fan, a mist collection box, a gas-liquid filter, and a HEPA high-efficiency filter. The negative pressure fan is installed on the upper end of one side of the defogging box by screws, and the mist collection box is installed on the lower end of one side of the defogging box by bolts. The gas-liquid filter is provided on the upper end of the interior of the defogging box, and the HEPA high-efficiency filter is fixed on the upper end of one side of the inner wall of the defogging box by screws. A mist guide plate is provided on the lower end of one side of the inner wall of the defogging box.

[0004] Existing paper machine wire section demisting devices still have the following shortcomings:

[0005] 1. The existing device uses a gas-liquid filter to separate and collect water vapor and exhaust gas from the wire section of a paper machine. However, while the gas-liquid filter works well in environments with low water vapor and exhaust gas density, it is prone to reduced separation efficiency when demisting the wire section of a paper machine due to the high water vapor density in the environment, thus failing to separate effectively.

[0006] 2. During the collection and treatment of waste gas, a small amount of water vapor will inevitably be discharged along with the waste gas, leading to poor separation results. Utility Model Content

[0007] The purpose of this invention is to solve the problem that in the existing technology, when using a gas-liquid filter to separate and collect water vapor and exhaust gas in the wire section of a papermaking machine, the separation efficiency between water vapor and exhaust gas is easily reduced due to the high water vapor density in the environment. When collecting and treating exhaust gas, a small amount of water vapor is inevitably discharged along with the exhaust gas, resulting in poor separation results. Therefore, this invention proposes a demisting device for the wire section of a papermaking machine.

[0008] To achieve the above objectives, the present invention adopts the following technical solution:

[0009] A paper machine wire section demisting device includes: a device box, a controller fixedly connected to the upper surface of the device box, four support columns fixedly connected to the lower surface of the device box, an inlet groove and an exhaust groove respectively opened on both sides of the device box, a drain groove opened on the lower surface of the device box, and a condensation component, an adsorption component and an exhaust component are arranged inside the device box.

[0010] Preferably, the condensation assembly includes a condensation structure and a drainage structure. The condensation structure includes a guide pipe, the upper end of which is fixedly connected to an inlet tank, the lower end of which is fixedly connected to a drainage tank, and a bottom pipe fixedly connected to the lower end of the guide pipe. A condenser is fixedly connected to the outer side of the guide pipe, and a condenser is fixedly connected to the inner top surface of the device box. Both ends of the condenser are fixedly connected to the condenser.

[0011] Preferably, the drainage structure is located inside the end of the guide tube. The drainage structure has a disc, and six connecting rods are fixedly connected to the side of the disc in a ring array. The six connecting rods are fixedly connected to the inner side of the guide tube. A spring is fixedly connected to the lower surface of the disc, and a sealing plate is fixedly connected to the lower end of the spring. The side of the sealing plate is attached to the inner side of the guide tube.

[0012] Preferably, the adsorption assembly includes an adsorption structure and a guiding structure. The adsorption structure includes an adsorption box. A support frame is fixedly connected to the inner ground of the device box. The adsorption box is snapped into the upper end of the support frame. An absorption tube is fixedly connected to the side of the adsorption box. The end of the absorption tube away from the adsorption box is fixedly connected to the guiding tube. Adsorption cotton is snapped into the adsorption box.

[0013] Preferably, the guiding structure includes a hydraulic actuator, which is fixedly connected to the upper surface of the adsorption box. The output end of the hydraulic actuator passes through the adsorption box, and a pressure plate is fixedly connected to the output end of the hydraulic actuator. The pressure plate is attached to the upper surface of the adsorption cotton. A drainage pipe is fixedly connected to the lower surface of the adsorption box, and the lower end of the drainage pipe is fixedly connected to the side of the guiding pipe. The drainage pipe is located on the upper side of the drainage structure.

[0014] Preferably, the exhaust assembly includes an air pump, which is fixedly connected to the inner side of the device box. The input end of the air pump is fixedly connected to a connecting pipe, and the end of the connecting pipe away from the air pump is fixedly connected to the adsorption box. The output end of the air pump is fixedly connected to an exhaust pipe, which passes through and extends out of the outside of the device box.

[0015] Compared with the prior art, the present invention has the following advantages:

[0016] 1. Equipped with a condensation component and a drainage structure, the sealing plate can block the lower end of the guide pipe under normal conditions. At this time, by turning on the air pump, external water vapor and exhaust gas can be introduced into the device through the guide pipe. When the water vapor enters the guide pipe, it can be quickly condensed into water droplets by the condenser and condenser tube and stored in the guide pipe. Under the action of gravity, the droplets automatically fall to the upper side of the drainage structure. The exhaust gas is introduced into the adsorption box through the absorption pipe, thereby optimizing the separation and treatment of exhaust gas and water vapor.

[0017] 2. With a drainage structure, condensate will be temporarily intercepted when it falls onto the sealing plate. When the condensate accumulates to a certain amount, the sealing plate will fall downwards. When the sealing plate falls to the bottom pipe, the condensate will be drained. After drainage, the sealing plate will be reset by the action of the spring.

[0018] 3. By setting up an adsorption component, when the exhaust gas carrying a small amount of water vapor enters the adsorption box, the exhaust gas can pass freely through the adsorption cotton, and the water vapor will be absorbed by the adsorption cotton. When the adsorption cotton adsorbs a certain amount of wastewater, when the drainage structure starts to drain, it will send a signal to the controller. At this time, the controller will control the hydraulic device to press down, thereby pushing the pressure plate to press the adsorption cotton, and squeezing the wastewater stored in the adsorption cotton. The squeezed wastewater will flow back into the guide pipe through the drainage pipe and finally be discharged, thus achieving more refined separation of water vapor and exhaust gas. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the external structure of a paper machine wire defogging device proposed in this utility model;

[0020] Figure 2 This is a schematic diagram of the internal cross-section of the device box of a paper machine wire defogging device proposed in this utility model;

[0021] Figure 3 This is a schematic diagram of the liquid discharge structure of a paper machine wire section demister proposed in this utility model;

[0022] Figure 4 This is a schematic diagram of the internal cross-section of the adsorption box of a paper machine wire section demisting device proposed in this utility model.

[0023] In the diagram: 1. Device box, 11. Controller, 12. Support column, 2. Guide pipe, 21. Condenser, 22. Condenser pipe, 23. Disc, 24. Spring, 25. Sealing plate, 26. Bottom pipe, 3. Adsorption box, 31. Absorption pipe, 32. Support frame, 33. Drain pipe, 34. Adsorption cotton, 35. Hydraulic device, 36. Pressure plate, 4. Air pump, 41. Connecting pipe, 42. Exhaust pipe. Detailed Implementation

[0024] The technical solution of this utility model will be further described below with reference to the accompanying drawings and embodiments.

[0025] Reference Figures 1-4 A paper machine wire section demisting device includes: a device box 1, a controller 11 fixedly connected to the upper surface of the device box 1, four support columns 12 fixedly connected to the lower surface of the device box 1, an inlet groove and an exhaust groove respectively opened on both sides of the device box 1, a drain groove opened on the lower surface of the device box 1, and a condensation component, an adsorption component and an exhaust component are provided inside the device box 1.

[0026] The condensing assembly includes a condensing structure and a draining structure. The condensing structure includes a guide pipe 2, the upper end of which is fixedly connected to the inlet tank, and the lower end of which is fixedly connected to the draining tank. The lower end of the guide pipe 2 is fixedly connected to a bottom pipe 26. A condensing pipe 22 is fixedly connected to the outside of the guide pipe 2. A condenser 21 is fixedly connected to the inner top surface of the device box 1. Both ends of the condensing pipe 22 are fixedly connected to the condenser 21. Because of the condensing assembly and the draining structure, under normal conditions... Under these conditions, the sealing plate 25 can block the lower end of the guide pipe 2. At this time, by turning on the air pump 4, external water vapor and exhaust gas can be introduced into the device through the guide pipe 2. When the water vapor enters the guide pipe 2, under the operation of the condenser 21 and the condenser pipe 22, the water vapor can be quickly condensed into water droplets and stored in the guide pipe 2. Under the action of gravity, they automatically fall to the upper side of the drain structure. The exhaust gas is introduced into the adsorption box 3 along the absorption pipe 31, thereby optimizing the separation and treatment of exhaust gas and water vapor.

[0027] The drainage structure is located at the end of the guide tube 2. The drainage structure has a disc 23. Six connecting rods are fixedly connected to the side of the disc 23 in a ring array. The six connecting rods are fixedly connected to the inner side of the guide tube 2. A spring 24 is fixedly connected to the lower surface of the disc 23. A sealing plate 25 is fixedly connected to the lower end of the spring 24. The side of the sealing plate 25 is attached to the inner side of the guide tube 2. With the drainage structure, when the condensate falls onto the sealing plate 25, it will be temporarily intercepted. When the condensate accumulates to a certain amount, the sealing plate 25 can fall downward. When the sealing plate 25 falls to the bottom tube 26, the condensate can be discharged. After drainage, the sealing plate 25 can be reset under the action of the spring 24.

[0028] The adsorption assembly includes an adsorption structure and a guiding structure. The adsorption structure includes an adsorption box 3. A support frame 32 is fixedly connected to the inner ground of the device box 1. The adsorption box 3 is snapped into the upper end of the support frame 32. An absorption tube 31 is fixedly connected to the side of the adsorption box 3. The end of the absorption tube 31 away from the adsorption box 3 is fixedly connected to the guiding tube 2. An adsorption cotton 34 is snapped into the adsorption box 3.

[0029] The guiding structure includes a hydraulic actuator 35, which is fixedly connected to the upper surface of the adsorption box 3. The output end of the hydraulic actuator 35 extends through the adsorption box 3, and a pressure plate 36 is fixedly connected to the output end of the hydraulic actuator 35. The pressure plate 36 is attached to the upper surface of the adsorption cotton 34. A drainage pipe 33 is fixedly connected to the lower surface of the adsorption box 3, and the lower end of the drainage pipe 33 is fixedly connected to the side of the guide pipe 2. The drainage pipe 33 is located on the upper side of the drainage structure. By setting up the adsorption assembly, when the exhaust gas carrying a small amount of water vapor enters the adsorption box 3... Afterwards, the exhaust gas can pass freely through the adsorption cotton 34, while the water vapor will be absorbed by the adsorption cotton 34. When the adsorption cotton 34 adsorbs a certain amount of wastewater, when the drainage structure starts to drain, it will send a signal to the controller 11. At this time, the controller 11 will control the hydraulic device 35 to press down, thereby pushing the pressure plate 36 to press the adsorption cotton 34, thereby squeezing the wastewater stored in the adsorption cotton 34. The squeezed wastewater will flow back into the guide pipe 2 through the drainage pipe 33 and finally be discharged, thus achieving a more refined separation of water vapor and exhaust gas.

[0030] The exhaust assembly includes an air pump 4, which is fixedly connected to the inner side of the device box 1. The input end of the air pump 4 is fixedly connected to a connecting pipe 41, and the end of the connecting pipe 41 away from the air pump 4 is fixedly connected to the adsorption box 3. The output end of the air pump 4 is fixedly connected to an exhaust pipe 42, which passes through and extends out of the outside of the device box 1.

[0031] The functional principle of this utility model can be explained through the following operation methods:

[0032] With the condensation component and drainage structure, the sealing plate 25 can seal the lower end of the guide pipe 2 under normal conditions. At this time, by turning on the air pump 4, external water vapor and exhaust gas can be introduced into the device through the guide pipe 2. When the water vapor enters the guide pipe 2, it can be quickly condensed into water droplets by the condenser 21 and condenser pipe 22 and stored in the guide pipe 2. Under the action of gravity, it automatically falls to the upper side of the drainage structure. The exhaust gas is introduced into the adsorption box 3 along the absorption pipe 31, thereby optimizing the separation and treatment of exhaust gas and water vapor.

[0033] With the drainage structure, when the condensate falls onto the sealing plate 25, it will be temporarily intercepted. When the condensate accumulates to a certain amount, the sealing plate 25 can fall downwards. When the sealing plate 25 falls to the bottom pipe 26, the condensate can be drained. After drainage, the sealing plate 25 can be reset by the action of the spring 24.

[0034] By incorporating an adsorption component, when exhaust gas carrying a small amount of water vapor enters the adsorption box 3, the exhaust gas can freely pass through the adsorption cotton 34, and the water vapor will be absorbed by the adsorption cotton 34. When the adsorption cotton 34 adsorbs a certain amount of wastewater, when the drainage structure starts to drain water, it will send a signal to the controller 11. At this time, the controller 11 will control the hydraulic device 35 to press downward, thereby pushing the pressure plate 36 to press the adsorption cotton 34, thereby squeezing the wastewater stored in the adsorption cotton 34. The squeezed wastewater will flow back into the guide pipe 2 through the drainage pipe 33 and finally be discharged, thus achieving a more refined separation of water vapor and exhaust gas.

[0035] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the spirit and scope of the technical solutions of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A demisting device for the wire section of a papermaking machine, characterized in that, The device includes a device box (1), on the upper surface of which a controller (11) is fixedly connected, and on the lower surface of which four support columns (12) are fixedly connected. An inlet groove and an exhaust groove are respectively opened on both sides of the device box (1), and a drain groove is opened on the lower surface of the device box (1). A condensation component, an adsorption component, and an exhaust component are installed inside the device box (1).

2. The paper machine wire section demisting device according to claim 1, characterized in that, in: The condensation assembly includes a condensation structure and a drainage structure. The condensation structure includes a guide pipe (2). The upper end of the guide pipe (2) is fixedly connected to the inlet tank, and the lower end of the guide pipe (2) is fixedly connected to the drainage tank. The lower end of the guide pipe (2) is fixedly connected to a bottom pipe (26). A condenser pipe (22) is fixedly connected to the outside of the guide pipe (2). A condenser (21) is fixedly connected to the inner top surface of the device box (1). Both ends of the condenser pipe (22) are fixedly connected to the condenser (21).

3. A paper machine wire section demisting device according to claim 2, characterized in that, in: The drainage structure is located inside the end of the guide tube (2). The drainage structure has a disc (23). Six connecting rods are fixedly connected to the side of the disc (23) in a ring array. The six connecting rods are fixedly connected to the inner side of the guide tube (2). A spring (24) is fixedly connected to the lower surface of the disc (23). A sealing plate (25) is fixedly connected to the lower end of the spring (24). The side of the sealing plate (25) is attached to the inner side of the guide tube (2).

4. A paper machine wire section demisting device according to claim 2, characterized in that, in: The adsorption assembly includes an adsorption structure and a guiding structure. The adsorption structure includes an adsorption box (3). A support frame (32) is fixedly connected to the inner ground of the device box (1). The adsorption box (3) is snapped into the upper end of the support frame (32). An absorption tube (31) is fixedly connected to the side of the adsorption box (3). The end of the absorption tube (31) away from the adsorption box (3) is fixedly connected to the guiding tube (2). An adsorption cotton (34) is snapped into the adsorption box (3).

5. A paper machine wire section demisting device according to claim 4, characterized in that, in: The guiding structure includes a hydraulic actuator (35), which is fixedly connected to the upper surface of the adsorption box (3). The output end of the hydraulic actuator (35) passes through the adsorption box (3). The output end of the hydraulic actuator (35) is fixedly connected to a pressure plate (36), which is attached to the upper surface of the adsorption cotton (34). The lower surface of the adsorption box (3) is fixedly connected to a drainage pipe (33), the lower end of which is fixedly connected to the side of the guiding pipe (2). The drainage pipe (33) is located on the upper side of the drainage structure.

6. A paper machine wire section demisting device according to claim 4, characterized in that, in: The exhaust assembly includes an air pump (4), which is fixedly connected to the inner side of the device box (1). The input end of the air pump (4) is fixedly connected to a connecting pipe (41), and the end of the connecting pipe (41) away from the air pump (4) is fixedly connected to the adsorption box (3). The output end of the air pump (4) is fixedly connected to an exhaust pipe (42), which penetrates and extends out of the outside of the device box (1).

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