A filtering device for recovering water vapor and impurities in ethanol tail gas

Abstract

The application discloses a kind of filtering device of water vapor and impurities in ethanol recovery tail gas, including recovery filter tower, active carbon layer is loaded in recovery filter tower, filler layer, side wall is equipped with the window that can be automatically opened and closed, window is equipped with rack, rack is engaged with gear above;Window is opened and closed automatically by gear forward rotation or reverse rotation;Active carbon layer, filler layer are also installed on the window by means of bolt, when bolt is inserted, bolt is inserted into the side wall of active carbon layer, filler layer, when bolt is pulled out, bolt can be supported below rack.This application, pull out and rotate bolt, rotate gear, window can be opened, active carbon layer, filler layer can be replaced;When window is lifted after bolt is pulled out and rotated, clamping plate can be supported below rack, rack and gear can be prevented from disengaging, and lifting device stability;When bolt is inserted, active carbon layer, filler layer can be lifted, and window door can be prevented from opening.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of ethanol recovery tail gas filtration, in particular to a filter device for water vapor and impurities in ethanol recovery tail gas. BACKGROUND

[0002] Ethanol is an important chemical raw material, widely used in medicine, food, chemical industry and other fields. In the production and use of ethanol, tail gas treatment has become an environmental problem that cannot be ignored. Ethanol tail gas usually contains water vapor, impurities and other harmful substances. If it is not effectively treated and directly discharged, it will not only pollute the atmospheric environment, but also affect human health.

[0003] The existing ethanol recovery tail gas treatment device mostly uses filtration technology to intercept and separate water vapor and impurities in the tail gas through filter plates. However, the existing filter device has some shortcomings in actual application:

[0004] Filter plate replacement is difficult: the existing filter device is not humanized in design, the filter plate replacement process is cumbersome, and professional personnel are required to operate, which takes a long time and affects the continuous operation and production efficiency of the equipment.

[0005] The filtering effect is unstable: the filter plate is easily clogged after long-term use, which reduces the filtering effect and requires frequent replacement of the filter plate, increasing the maintenance cost.

[0006] The structure is complex and the maintenance is inconvenient: some filter devices have complex structure and many internal components, which are difficult to maintain and clean, further increasing the operating cost of the equipment. SUMMARY

[0007] The main purpose of the present application is to provide a filter device for water vapor and impurities in ethanol recovery tail gas, which aims to solve the technical problems of difficult filter plate replacement, unstable filtering effect and inconvenient maintenance of the prior art.

[0008] To achieve the above-mentioned purpose, the present application provides a filter device for water vapor and impurities in ethanol recovery tail gas, comprising a recovery filter tower, the recovery filter tower is detachably provided with an activated carbon layer and a filler layer, any side wall of the recovery filter tower is provided with a window which can be automatically opened and closed, the window is provided with a rack, and a gear is engaged above the rack;

[0009] The window is automatically opened and closed by forward or reverse rotation of the gear;

[0010] The activated carbon layer and the filler layer are also installed on the window through a pin, when the pin is inserted, the pin is inserted into the side wall of the activated carbon layer and the filler layer, and when the pin is pulled out, the pin can be supported below the rack.

[0011] Further, the window is rectangular, and the window is rotatably installed on a window frame through connecting rods at four corners of the window, and at least two fixed rollers are rotatably installed on the window frame at two sides of the window frame, and the fixed rollers are rotatably embedded in roller frames, and the roller frames are fixed on the recovery filter tower through angle plates.

[0012] Further, a limiting plate is arranged below the window frame, and a limiting groove is arranged on the limiting plate, and the limiting groove is in the shape of "7".

[0013] A movable roller is rotatably arranged outside the connecting rod below, and the movable roller is adapted to the limiting groove, and the movable roller is rotatably embedded in the limiting groove, and the movable roller moves in the "7"-shaped limiting groove, so as to open and close the window.

[0014] Further, the bolt is installed on the window through a mounting plate and can be inserted and pulled out, a convex head is arranged at the top of the bolt, a retaining ring is arranged on the mounting plate, and a spring is sleeved between the convex head and the retaining ring.

[0015] Further, the recovery filter tower is provided with an air outlet at the top and an air inlet and a liquid outlet at the bottom.

[0016] At least one layer of activated carbon layer is detachably arranged in the recovery filter tower, at least one layer of filler layer is detachably arranged below the activated carbon layer, and a gas-liquid separator is arranged below the filler layer.

[0017] The air inlet is in communication with the inlet of the gas-liquid separator.

[0018] The liquid outlet is in communication with the liquid outlet of the gas-liquid separator.

[0019] Further, the tail of the bolt is provided with a clamping plate through a screw.

[0020] A step is arranged on the mounting plate and is adapted to the clamping plate, and when the clamping plate is pulled out and rotated by 90 degrees, the clamping plate can be clamped on the step.

[0021] The height of the clamping plate is adapted to the connecting rod and the limiting plate, and when the window is lifted out and moves downward, the clamping plate can be clamped below the rack to prevent the rack from being deformed and toothed.

[0022] The height of the step is adapted to the bolt, and when the clamping plate is clamped on the step, the bolt is pulled out from the activated carbon layer or the filler layer, and the window can be moved.

[0023] Further, the gear is installed on the gear shaft through interference fit, and the gear shaft is installed on the recovery filter tower through bearing seats at two ends of the gear shaft.

[0024] Further, a limiting sliding groove is arranged in the recovery filter tower.

[0025] The active carbon layer and the filler layer are movably installed in the limiting sliding groove.

[0026] The active carbon layer and the filler layer are located at the opposite side of the window and are provided with a sealing gasket.

[0027] Further, the mounting plate and the clamping plate are provided with a lock hole, and when the two lock holes are aligned, the window cannot be opened.

[0028] The beneficial effects of the present application are embodied in:

[0029] In the present application, the pin is pulled out and rotated, the gear is rotated, and the window can be opened, so that the active carbon layer and the filler layer can be replaced, which is convenient for maintenance.

[0030] When the pin is pulled out and rotated, the clamping plate can be placed under the rack when the window is lifted, which can prevent the rack and the gear from being disengaged and improve the stability of the lifting device.

[0031] When the pin is inserted, the active carbon layer and the filler layer can be lifted, and the window door can be prevented from being automatically opened. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 It is a schematic diagram of the three-dimensional structure of the present application;

[0033] Figure 2 It is a schematic diagram of the internal structure of the present application;

[0034] Figure 3 It is a schematic diagram of the recovery filter tower structure of the present application;

[0035] Figure 4 It is a schematic diagram of the window opening mechanism of the present application;

[0036] Figure 5 It is Figure 4 a schematic diagram of the structure when there is no roller frame and bearing seat;

[0037] Figure 6 It is Figure 5 a left view of the present application;

[0038] Figure 7 It is Figure 6 an enlarged view of A in the present application;

[0039] Figure 8 It is a schematic diagram of the pin assembly structure of the present application;

[0040] Figure 9 It is Figure 8 a schematic diagram of the exploded structure of the present application;

[0041] Figure 10 It is a schematic diagram of the structure of the pin assembly in use of the present application;

[0042] Figure 11 is a front view. Figure 1

[0043] Reference signs:

[0044] 1, recovery filter tower, 1a, air outlet, 1b, air inlet, 1c, liquid outlet, 2, activated carbon layer, 3, filler layer, 4, gas-liquid separator, 5, window, 6, limiting sliding groove, 7, sealing gasket, 8, angle plate, 9, roller frame, 10, window frame, 11, connecting rod, 12, rack, 13, gear, 14, gear shaft, 15, bearing seat, 16, fixed roller, 17, limiting plate, 17a, limiting groove, 18, movable roller, 19, bolt, 20, spring, 21, mounting plate, 22, check ring, 23, clamping plate, 24, lock hole. DETAILED DESCRIPTION

[0045] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. The embodiments in the present application and the features in the embodiments can be combined with each other without conflict. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0046] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between components in a certain posture (as shown in the drawings), and if the certain posture changes, the directional indications also change accordingly.

[0047] In addition, if the embodiments of the present application involve descriptions of "first", "second", etc., the descriptions of "first", "second", etc. are only for description purposes, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing throughout the text includes three parallel schemes. Taking "A and / or B" as an example, it includes A scheme, or B scheme, or A and B schemes. In addition, "multiple" means two or more. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the fact that a person skilled in the art can realize it, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist.

[0048] Reference Figures 1 to 11 ​The application discloses an ethanol recovery tail gas water vapor and impurity filtering device, which comprises a recovery filtering tower 1, wherein the recovery filtering tower 1 is detachably provided with an activated carbon layer 2 and a filler layer 3; any one side wall of the recovery filtering tower 1 is provided with a window 5 which can be automatically opened and covered; the window 5 is provided with a rack 12; the rack 12 is engaged with a gear 13.

[0049] The window 5 can be automatically opened and covered through forward rotation or reverse rotation of the gear 13.

[0050] The activated carbon layer 2 and the filler layer 3 are also installed on the window 5 through a pin 19; when the pin 19 is inserted, the pin 19 is inserted into the side wall of the activated carbon layer 2 and the filler layer 3; when the pin 19 is pulled out, the pin 19 can be supported below the rack 12.

[0051] Working principle

[0052] In use, the gas to be filtered is introduced from the gas inlet, the introduced gas is subjected to gas-liquid separation through a gas-liquid separator, the separated liquid flows out from the liquid outlet, and the gas rises and is filtered and purified through the filler layer and the activated carbon layer.

[0053] When the filler layer or the activated carbon layer needs to be replaced, the pin is pulled out and rotated, the gear is rotated in the forward direction, the window can be opened, and the activated carbon layer and the filler layer can be replaced.

[0054] When the pin is pulled out and rotated, the clamping plate can be placed below the rack when the window is lifted, so that the rack and the gear are prevented from being disengaged, and the stability of the lifting device is improved.

[0055] After replacement, the gear is rotated in the reverse direction, the window is covered, and the pin is inserted after the window is covered.

[0056] When the pin is inserted, the activated carbon layer and the filler layer can be lifted on one hand, and the window door can be prevented from being opened on the other hand.

[0057] In some embodiments, as shown in Figure 1 and 4 and 11, the window 5 is rectangular, the window 5 is rotatably installed on the window frame 10 through connecting rods 11 at four corners, at least two fixed rollers 16 are rotatably installed on the two sides of the window frame 10, the fixed rollers 16 are rotatably embedded in the roller frame 9, and the roller frame 9 is fixed on the recovery filtering tower 1 through the angle plate 8. The fixed roller and the roller frame are used for limiting the displacement of the window.

[0058] In some embodiments, as shown in Figures 4 to 7 , a limiting plate 17 is arranged below the window frame 10, the limiting plate 17 is provided with a limiting groove 17a, and the limiting groove 17a is in the shape of “7”.

[0059] The outer side of the connecting rod 11 is rotatably provided with a movable roller 18 matched with the limiting groove 17a. The movable roller 18 is rotatably embedded in the limiting groove 17a and moves in the "7" shaped limiting groove 17a, thereby opening and closing the window 5.

[0060] In some embodiments, referring to Figures 8 to 10 The pin 19 is installed on the window 5 and can be inserted and pulled out through the mounting plate 21. The top of the pin 19 is provided with a protrusion. The mounting plate 21 is provided with a retaining ring 22. The protrusion and the retaining ring 22 are sleeved with a spring 20.

[0061] In some embodiments, referring to Figure 2 and 3 The top of the recovery filter tower 1 is provided with an air outlet 1a and the bottom is provided with an air inlet 1b and a liquid outlet 1c.

[0062] The recovery filter tower 1 is detachably provided with at least one layer of activated carbon layer 2. The bottom of the activated carbon layer 2 is detachably provided with at least one layer of filler layer 3. The bottom of the filler layer 3 is provided with a gas-liquid separator 4.

[0063] The air inlet 1b is in communication with the inlet of the gas-liquid separator 4.

[0064] The liquid outlet 1c is in communication with the liquid outlet of the gas-liquid separator 4.

[0065] In some embodiments, referring to Figures 8 to 10 The tail of the pin 19 is provided with a clamping plate 23 through a screw.

[0066] The mounting plate 21 is provided with a step matched with the clamping plate 23. When the clamping plate 23 is pulled out and rotated by 90 degrees, it can be clamped on the step.

[0067] The height of the clamping plate 23 is matched with the connecting rod 11 and the limiting plate 17. When the window 5 is lifted out and moves downward, the clamping plate 23 can be placed below the rack 12, which prevents the deformation and tooth loss of the rack.

[0068] The height of the step is matched with the pin 19. When the clamping plate 23 is clamped on the step, the pin 19 is pulled out from the activated carbon layer 2 or the filler layer 3, and the window 5 can be moved.

[0069] In some embodiments, referring to Figures 1 to 3 The gear 13 is installed on the gear shaft 14 through interference fit. The both ends of the gear shaft 14 are installed on the recovery filter tower 1 through the bearing seat 15.

[0070] In some embodiments, referring to Figure 2 and 3As shown, the recovery filter tower 1 is provided with a limiting chute 6;

[0071] The activated carbon layer 2 and the filler layer 3 are movably installed in the limiting chute 6;

[0072] The activated carbon layer 2 and the filler layer 3 are movably installed in the limiting chute 6;

[0073] In some embodiments, referring to Figure 9 As shown, the mounting plate 21 and the clamping plate 23 are both provided with lock holes 24, and when the two lock holes 24 are aligned, the window 5 cannot be opened.

[0074] The above merely describes the preferred embodiments of the present application and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A filtering device for recovering water vapor and impurities in ethanol recovery tail gas, comprising a recovery filter tower (1), characterized in that The window (5) is opened or closed automatically by the gear (13) rotating forward or reversely. The active carbon layer (2) and the filler layer (3) are also installed on the window (5) through the bolt (19), when the bolt (19) is inserted, the bolt (19) is inserted into the sidewall of the active carbon layer (2) and the filler layer (3), when the bolt (19) is pulled out, the bolt (19) can be supported below the rack (12). The window (5) is rectangular, the window (5) is rotatably installed on the window frame (10) through the connecting rod (11) at four corners, at least two fixed rollers (16) are rotatably installed on the two sides of the window frame (10), the fixed rollers (16) are rotatably embedded in the roller frame (9), and the roller frame (9) is fixed on the recovery filter tower (1) through the angle plate (8). The window frame (10) is provided with a limiting plate (17) below, the limiting plate (17) is provided with a limiting groove (17a), and the limiting groove (17a) is in the shape of "7". The outer side of the connecting rod (11) below is rotatably provided with a movable roller (18) matched with the limiting groove (17a), the movable roller (18) is rotatably embedded in the limiting groove (17a), and the movable roller (18) moves in the "7"-shaped limiting groove (17a), so as to open and close the window (5). The recovery filter tower (1) is provided with an air outlet (1a) at the top, an air inlet (1b) and a liquid outlet (1c) at the bottom. The recovery filter tower (1) is provided with at least one layer of active carbon layer (2) which is detachably installed below the filler layer (3), and the filler layer (3) is provided with a gas-liquid separator (4) below. The air inlet (1b) is communicated with the inlet of the gas-liquid separator (4). The liquid outlet (1c) is communicated with the liquid outlet of the gas-liquid separator (4). The bolt (19) is installed on the window (5) and can be inserted and pulled out through the mounting plate (21), the top of the bolt (19) is provided with a convex head, the mounting plate (21) is provided with a retaining ring (22), and the convex head and the retaining ring (22) are sleeved with a spring (20).

2. The filtering device for recovering ethanol from water vapor and impurities in tail gas according to claim 1, characterized in that, The tail of the bolt (19) is provided with a clamping plate (23) through a screw; 3. The filter device for recovering ethanol from water vapor and impurities in tail gas according to claim 2, characterized in that, The mounting plate (21) is provided with a step matched with the clamping plate (23), and when the clamping plate (23) is pulled out and rotated by 90 degrees, the clamping plate (23) can be clamped on the step; The height of the clamping plate (23) is matched with the connecting rod (11) and the limiting plate (17), when the window (5) is lifted out and moves downward, the clamping plate (23) can be placed below the rack (12) to prevent the rack from deforming and falling out. ​ The step height is matched with the latch (19), when the card plate (23) is clamped on the step, the latch (19) is pulled out from the activated carbon layer (2) or the filler layer (3), and the window (5) can be moved.

4. The filter device for recovering ethanol from water vapor and impurities in tail gas according to claim 1, characterized in that, The gear (13) is installed on the gear shaft (14) through interference fit, and both ends of the gear shaft (14) are installed on the recovery filter tower (1) through the bearing seat (15).

5. The filter device for recovering ethanol from water vapor and impurities in tail gas according to claim 1, characterized in that, The recovery filter tower (1) is provided with a limiting sliding groove (6). The activated carbon layer (2) and the filler layer (3) are movably installed in the limiting sliding groove (6). The activated carbon layer (2) and the filler layer (3) are provided with sealing pads (7) at the opposite positions of the window (5).

6. The filter device for recovering ethanol from water vapor and impurities in tail gas according to claim 3, characterized in that, The mounting plate (21) and the card plate (23) are provided with lock holes (24), and when the two lock holes (24) are aligned, the window (5) cannot be opened.

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