Deacidification device for chlorinated polyvinyl chloride production

Abstract

The utility model provides a chlorinated polyvinyl chloride production deacidification device which comprises a fixing frame, a sealing cover, a supporting block, an air inlet pipe, a deacidification kettle, a sealing kettle cover, a filter pipe structure capable of being assembled and disassembled, an observable supporting deacidification frame structure and a supportable guiding humidification frame structure, and the sealing cover is inserted into the right end of the fixing frame and fixed through bolts; supporting blocks are fixed to the four corners of the bottom end of the fixing frame through bolts correspondingly. An air inlet pipe penetrates through the lower portion of the left side of the fixing frame in a threaded mode. The deacidification kettle is fixed in the middle of the upper end of the fixed frame through a bolt and is communicated with the fixed frame. The fixing frame, the sealing cover, the fixing frame, the guiding pipe, the collecting hopper, the activated carbon mesh and the rotating rod are arranged in a matched mode, so that in the using process, after the sealing cover is detached, a worker can enter the fixing frame to rotate and detach the guiding pipe and the collecting hopper; and the aim of conveniently disassembling, cleaning and replacing during working is fulfilled.

Description

Technical Field

[0001] This utility model belongs to the technical field of chlorinated polyvinyl chloride production equipment, and particularly relates to a deacidification device for chlorinated polyvinyl chloride production. Background Technology

[0002] There are three main production methods for chlorinated polyvinyl chloride (PVC): solvent method, aqueous suspension method, and gas-solid phase method. Among them, the aqueous suspension method has a simple production process, short production flow, good heat resistance and mechanical properties, and low production cost, making it the main production method on the market. In the aqueous suspension method for producing chlorinated PVC, the PVC in the chlorination reactor is in an acidic environment, requiring it to be transferred to a rinsing reactor for deacidification. Existing deacidification equipment suffers from problems such as inconvenience in disassembly and cleaning, difficulty in observation during the deacidification process, and difficulty in humidification during deacidification. Utility Model Content

[0003] To solve the above-mentioned technical problems, this utility model provides a deacidification device for the production of chlorinated polyvinyl chloride. It features a separate filter disassembly mechanism for easy disassembly and cleaning, an observation mechanism for easy observation of the deacidification process, and a purification and humidification mechanism for humidification after deacidification.

[0004] A deacidification device for producing chlorinated polyvinyl chloride includes a fixed frame. A sealing cap is inserted into the right end of the fixed frame and bolted in place. Support blocks are bolted to the four corners of the bottom of the fixed frame. An air inlet pipe is threaded through the lower left side of the fixed frame. A deacidification vessel is bolted to the middle of the upper end of the fixed frame and connected to it. A sealing vessel cover is bolted to the upper end of the deacidification vessel. The device is characterized by having a detachable filter tube structure at the connection between the fixed frame and the deacidification vessel; an observable support structure for the deacidification frame is located in the middle of the inner wall of the fixed frame; and a support structure for a humidifying guide frame is located on the upper part of the inner wall of the fixed frame.

[0005] Preferably, the detachable filter tube structure includes a fixing frame, and a guide tube is threaded through the bottom end of the fixing frame from left to right; a collection hopper is bolted to the bottom end of the guide tube; an activated carbon mesh is bolted to the inner wall of the guide tube from top to bottom; and a rotating rod is bolted to the left and right sides of the bottom end of the collection hopper.

[0006] Preferably, the observable support deacidification rack structure includes a support frame, with a plug-in frame bolted to the bottom end of the support frame; a baffle plate bolted to the upper left side of the plug-in frame; a perforated plate bolted to the middle and lower part of the inner wall of the plug-in frame; activated carbon layers provided at the upper and lower ends of the perforated plate; and observation plates embedded in the upper right and lower right ends of the plug-in frame.

[0007] Preferably, the supportable humidifier rack structure includes a guide funnel, with a conveying pipe integrally provided at the upper middle position of the guide funnel; an annular filter cylinder is sleeved on the outer wall of the conveying pipe; an E-type diverter pipe is inserted into the middle position of the upper end of the annular filter cylinder; a water inlet pipe is threadedly connected to the upper left side of the annular filter cylinder; and a water outlet pipe is threadedly connected to the lower right side of the annular filter cylinder.

[0008] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0009] 1. In this utility model, the fixed frame, sealing cover, fixing bracket, guide pipe, collection hopper, activated carbon mesh and rotating rod are arranged in a cooperative manner, which facilitates the disassembly and cleaning of the guide pipe and collection hopper by the operator after removing the sealing cover during use.

[0010] 2. In this utility model, the deacidification kettle, support frame, plug-in frame, shielding plate, hollow plate, activated carbon layer and observation plate are arranged in a cooperative manner, which is conducive to observing the activated carbon layer through the observation plate during the deacidification process, and facilitates the replacement of the activated carbon layer by disassembling the plug-in frame while observing during long-term deacidification.

[0011] 3. In this utility model, the deacidification kettle, the guide funnel, the conveying pipe, the annular filter cylinder, the E-type diverter pipe, the water inlet pipe, and the water outlet pipe are arranged in a coordinated manner, which is beneficial to transport the gas to the inside of the annular filter cylinder through the E-type diverter pipe during use, and then allow the gas to be purified and humidified by passing through the clean water filled inside the annular filter cylinder. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this utility model.

[0013] Figure 2 This is a structural diagram of the assembleable and detachable filter tube structure of this utility model.

[0014] Figure 3 This is a schematic diagram of the observable support deacidification rack structure of this utility model.

[0015] Figure 4This is a structural diagram of the supportable and guideable humidifier rack structure of this utility model.

[0016] In the picture:

[0017] 1. Fixed frame; 2. Sealing cover; 3. Support block; 4. Air inlet pipe; 5. Deacidification kettle; 6. Sealed kettle cover; 7. Assembleable and detachable filter tube structure; 71. Fixed frame; 72. Guide pipe; 73. Collection hopper; 74. Activated carbon mesh; 75. Rotating rod; 8. Observable support structure for deacidification rack; 81. Support frame; 82. Insertion frame; 83. Baffle plate; 84. Hollow plate; 85. Activated carbon layer; 86. Observation plate; 9. Supportable guide humidification rack structure; 91. Guide funnel; 92. Conveying pipe; 93. Annular filter cylinder; 94. E-type diverter pipe; 95. Water inlet pipe; 96. Water outlet pipe. Detailed Implementation

[0018] The present invention will now be described in detail with reference to the accompanying drawings, as shown below. Figure 1 and attached Figure 2As shown, a deacidification device for producing chlorinated polyvinyl chloride includes a fixed frame 1, a sealing cover 2, a support block 3, an air inlet pipe 4, a deacidification kettle 5, a sealing kettle cover 6, a detachable filter tube structure 7, an observable support deacidification rack structure 8, and a supportive conveying humidification rack structure 9. The sealing cover 2 is inserted into the right end of the fixed frame 1 and bolted in place. Support blocks 3 are bolted to the four corners of the bottom end of the fixed frame 1. An air inlet pipe 4 is threaded through the lower left side of the fixed frame 1. The deacidification kettle 5 is bolted to the middle of the upper end of the fixed frame 1 and connected to it. The sealing kettle cover 6 is bolted to the upper end of the deacidification kettle 5. A detachable filter tube structure 7 is provided at the connection between the fixed frame 1 and the deacidification kettle 5. An observable support deacidification rack structure 8 is provided in the middle of the inner wall of the fixed frame 1. A supportive conveying humidification rack structure 9 is provided on the upper part of the inner wall of the fixed frame 1. The detachable filter tube structure 7 includes a fixed frame 71, a conveying... The system comprises a pipe 72, a collection hopper 73, an activated carbon mesh 74, and a rotating rod 75. The bottom end of the fixed frame 71 is threaded with a guide pipe 72 from left to right. The bottom end of the guide pipe 72 is bolted to the collection hopper 73. The inner wall of the guide pipe 72 is bolted to the activated carbon mesh 74 from top to bottom. The bottom left and right sides of the collection hopper 73 are bolted to the rotating rod 75. In use, the fixed frame 1 and the deacidification vessel 5 are fixed in a suitable position. Then, an external pipe is connected to the air inlet pipe 4, connecting to an external gas supply device. Gas is transported to the inside of the fixed frame 1 through the air inlet pipe 4, and then guided through the collection hopper 73 and the guide pipe 72. During the gas transport process, the activated carbon mesh 74 performs primary filtration. After seven to ten days of use, the sealing cover 2 is removed, and the collection hopper 73 is rotated, simultaneously rotating the guide pipe 72, to replace or clean the activated carbon mesh 74.

[0019] In this implementation plan, in conjunction with the appendix Figure 3As shown, the observable support deacidification rack structure 8 includes a support frame 81, a plug-in frame 82, a baffle plate 83, a perforated plate 84, an activated carbon layer 85, and an observation plate 86. The plug-in frame 82 is bolted to the bottom end of the support frame 81; the baffle plate 83 is bolted to the upper left side of the plug-in frame 82; the perforated plate 84 is bolted to the middle and lower parts of the inner wall of the plug-in frame 82; activated carbon layers 85 are respectively provided at the upper and lower ends of the perforated plate 84; and observation plates 86 are respectively embedded in the upper right and lower right ends of the plug-in frame 82. During the gas deacidification process, the gas enters the bottom of the deacidification kettle 5, then moves upward, and undergoes gas adsorption and purification after passing through the plug-in frame 82 and the activated carbon layer 85. During the gas adsorption and purification deacidification process, the activated carbon layer 85 is observed through the observation plate 86, facilitating observation during long-term deacidification.

[0020] In this implementation plan, in conjunction with the appendix Figure 4 As shown, the supportable conveying humidification rack structure 9 includes a conveying funnel 91, a conveying pipe 92, an annular filter cylinder 93, an E-type diverter pipe 94, a water inlet pipe 95, and a water outlet pipe 96. The conveying pipe 92 is integrally installed at the upper middle position of the conveying funnel 91; the annular filter cylinder 93 is sleeved on the outer wall of the conveying pipe 92; the middle position of the E-type diverter pipe 94 is inserted into the upper end of the annular filter cylinder 93; the water inlet pipe 95 is threadedly connected to the upper left side of the annular filter cylinder 93; and the water outlet pipe 96 is threadedly connected to the lower right side of the annular filter cylinder 93. The gas is then mixed through the conveying funnel 91, the conveying pipe 92, and the E-type diverter pipe 94 and conveyed into the interior of the annular filter cylinder 93. Combined with the clean water added during operation through the water inlet pipe 95, the gas is purified and humidified. The gas is then discharged through the exhaust pipe located at the upper end of the sealed lid 6, thus completing the deacidification process.

[0021] In this embodiment, specifically, a sealing ring is provided at the connection between the fixed frame 1 and the sealing cover 2; an insertion hole is provided at the middle position of the right side of the deacidification kettle 5; and an exhaust pipe is threadedly connected to the middle position inside the sealing kettle cover 6.

[0022] In this embodiment, specifically, the collection hopper 73 is arranged from left to right at the bottom of the fixing frame 71; the fixing frame 71 is a U-shaped stainless steel frame.

[0023] In this embodiment, specifically, the fixing frame 71 is bolted to the middle of the top of the inside of the fixing frame 1; the guide pipe 72 passes through the top of the fixing frame 1 and the bottom of the deacidification kettle 5 from left to right.

[0024] In this embodiment, specifically, the plug-in bracket 82 is an L-shaped stainless steel frame with through holes sequentially opened from left to right at the bottom; the observation plate 86 is a transparent tempered glass plate; and stainless steel blocks are sequentially arranged between the upper end of the support frame 81 and the bottom end of the plug-in bracket 82.

[0025] In this embodiment, specifically, the support frame 81 is inserted into the lower part of the middle position of the inner wall of the deacidification vessel 5 and fixed with bolts; the support frame 81 passes through the middle position of the right side of the deacidification vessel 5 and is fixed with bolts, and a sealing ring is provided at the connection.

[0026] In this embodiment, specifically, the annular filter cylinder 93 is disposed at the upper end of the guide funnel 91; the left and right ends of the E-type diverter pipe 94 are respectively inserted into the upper left and right sides of the annular filter cylinder 93; the guide funnel 91 is connected to the annular filter cylinder 93 through the conveying pipe 92.

[0027] In this embodiment, specifically, the guide funnel 91 is bolted to the upper part of the middle position of the inner wall of the deacidification kettle 5; the annular filter cylinder 93 is set in the middle position of the upper end of the deacidification kettle 5; the water inlet pipe 95 passes through the upper left side of the deacidification kettle 5 and is provided with a sealing ring at the connection; the water outlet pipe 96 passes through the upper right side of the deacidification kettle 5 and is provided with a sealing ring at the connection.

[0028] Working principle

[0029] In this invention, during use, the fixed frame 1 and the deacidification vessel 5 are fixed in suitable positions. Then, an external pipe is used to connect the air inlet pipe 4, connecting to an external gas supply device. Gas is then transported into the interior of the fixed frame 1 through the air inlet pipe 4. The gas is then guided through the collection hopper 73 and the guide pipe 72. During this process, the gas undergoes primary filtration through the activated carbon mesh 74. After seven to ten days of use, the sealing cover 2 is removed, and the collection hopper 73 is rotated, simultaneously rotating the guide pipe 72. This allows for the replacement or cleaning of the activated carbon mesh 74. During the gas deacidification process, the gas enters... The gas enters the bottom of the deacidification vessel 5, then moves upward and passes through the connector 82 and activated carbon layer 85 for gas adsorption and purification. During the gas adsorption and purification process, the activated carbon layer 85 is observed through the observation plate 86 for easy monitoring during long-term deacidification. The gas is then mixed through the guide funnel 91, the delivery pipe 92, and the E-type diverter 94 before being transported to the inside of the annular filter cylinder 93. Clean water is added through the water inlet pipe 95 during operation for gas purification and humidification. The gas is then discharged through the exhaust pipe at the top of the sealed vessel cover 6, thus completing the deacidification process.

[0030] Any technical solution that achieves the above-mentioned technical effects by utilizing the technical solution described in this utility model, or by designing a similar technical solution inspired by the technical solution of this utility model, falls within the protection scope of this utility model.

Claims

1. A deacidification device for chlorinated polyvinyl chloride production, comprising a fixed frame (1), wherein a sealing cap (2) is inserted into the right end of the fixed frame (1) and bolted in place; support blocks (3) are bolted to the four corners of the bottom end of the fixed frame (1); an air inlet pipe (4) is threaded through the lower left side of the fixed frame (1); a deacidification vessel (5) is bolted to the middle of the upper end of the fixed frame (1) and connected thereto; and a sealing vessel cover (6) is bolted to the upper end of the deacidification vessel (5); characterized in that, The connection between the fixed frame (1) and the deacidification vessel (5) in the deacidification device for the production of chlorinated polyvinyl chloride is provided with a filter tube structure (7) that can be assembled and disassembled; an observation support deacidification rack structure (8) is provided in the middle of the inner wall of the fixed frame (1); and a humidification rack structure (9) that can be supported is provided on the upper part of the inner wall of the fixed frame (1).

2. The deacidification device for chlorinated polyvinyl chloride production according to claim 1, wherein The assembled and detachable filter tube structure (7) includes a fixing frame (71), and a guide tube (72) is threaded through the bottom end of the fixing frame (71) from left to right; a collection hopper (73) is bolted to the bottom end of the guide tube (72); an activated carbon mesh (74) is bolted to the inner wall of the guide tube (72) from top to bottom; and a rotating rod (75) is bolted to the left and right sides of the bottom end of the collection hopper (73).

3. The deacidification device for chlorinated polyvinyl chloride production according to claim 1, wherein The observable support deacidification rack structure (8) includes a support frame (81), with a plug-in frame (82) bolted to the bottom end of the support frame (81); a shielding plate (83) is bolted to the upper left side of the plug-in frame (82); a perforated plate (84) is bolted to the middle and lower parts of the inner wall of the plug-in frame (82); activated carbon layers (85) are respectively provided at the upper and lower ends of the perforated plate (84); and observation plates (86) are respectively embedded in the upper right and lower right parts of the plug-in frame (82).

4. The deacidification apparatus for producing chlorinated polyvinyl chloride as described in claim 1, characterized in that, The supportable humidifier rack structure (9) includes a guide funnel (91), and a delivery pipe (92) is integrally provided at the middle position of the upper end of the guide funnel (91); an annular filter cylinder (93) is sleeved on the outer wall of the delivery pipe (92); an E-type diverter pipe (94) is inserted into the middle position of the upper end of the annular filter cylinder (93); a water inlet pipe (95) is threadedly connected to the upper left side of the annular filter cylinder (93); and a water outlet pipe (96) is threadedly connected to the lower right side of the annular filter cylinder (93).

5. The deacidification apparatus for producing chlorinated polyvinyl chloride as described in claim 2, characterized in that, The fixing frame (71) is bolted to the middle of the top of the fixing frame (1); the guide pipe (72) passes through the top of the fixing frame (1) and the bottom of the deacidification kettle (5) from left to right.

6. The deacidification apparatus for producing chlorinated polyvinyl chloride as described in claim 3, characterized in that, The support frame (81) is inserted into the lower part of the middle position of the inner wall of the deacidification vessel (5) and fixed with bolts; the support frame (81) passes through the middle position of the right side of the deacidification vessel (5) and is fixed with bolts, and a sealing ring is provided at the connection.

7. The deacidification device for chlorinated polyvinyl chloride production according to claim 4, wherein The guide funnel (91) is bolted to the upper part of the middle position of the inner wall of the deacidification kettle (5); the annular filter cylinder (93) is set in the middle position of the upper end of the deacidification kettle (5); the water inlet pipe (95) penetrates the upper left side of the deacidification kettle (5) and a sealing ring is provided at the connection; the water outlet pipe (96) penetrates the upper right side of the deacidification kettle (5) and a sealing ring is provided at the connection.

Images