Chemical plant waste gas treatment and purification device

Abstract

The utility model belongs to the field of waste gas treatment, particularly relates to a waste gas treatment and purification device for a chemical plant, and provides the following scheme aiming at the problem that a filter screen mounted at a smoke inlet of an existing purification device is fixed inside the device and is inconvenient to take out: the waste gas treatment and purification device comprises a base, the chemical plant waste gas treatment and purification cylinder is in bolted connection with the top of the base; the gas inlet pipe is communicated with a gas inlet in the bottom end of the surface of the chemical plant waste gas treatment purification barrel; through the combination of the chemical plant waste gas treatment purification cylinder and the filter plate, flue gas in the chemical plant waste gas treatment purification cylinder can be purified, and when the filter plate needs to be replaced or cleaned, the lifting mechanism drives the whole filter assembly to move upwards, so that the filter plate can be replaced or cleaned, and the filter plate can be replaced or cleaned. In this way, the ring frame and the filter plate can be upwards exposed out of the chemical plant waste gas treatment purification barrel, and workers can conveniently maintain and replace the filter plate in the ring frame.

Description

TECHNICAL FIELD

[0001] The utility model relates to waste gas treatment technical field especially relates to a chemical plant waste gas treatment purification device. BACKGROUND

[0002] The waste gas generated in the production process of chemical plant needs to use purification device to treat and purify, and the Chinese patent file with publication number CN221492044U discloses a waste gas purification device for treating waste gas of chemical plant.

[0003] But the above technical scheme needs to install filter screen in the smoke inlet to play effect, these filter screens are fixed in the inside of flue, to clean or replace filter screen, often need to dismount the whole device from the smoke, can replace filter screen. UTILITY MODEL CONTENT

[0004] The utility model discloses a chemical plant waste gas treatment purification device to solve the filter screen of the smoke inlet of the purification device in the prior art, is fixed in the inside of device, and the shortcoming of inconvenient taking out is proposed.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A chemical plant waste gas treatment purification device, comprising

[0007] Base plate;

[0008] Chemical plant waste gas treatment purification cylinder, chemical plant waste gas treatment purification cylinder bolt connection in the top of base plate;

[0009] Air inlet pipe, air inlet pipe is communicated in the air inlet of the bottom end of chemical plant waste gas treatment purification cylinder surface;

[0010] Gas outlet pipe, gas outlet pipe is communicated in the gas outlet of chemical plant waste gas treatment purification cylinder;

[0011] Purification spray tower, purification spray tower is communicated in the left end of gas outlet pipe;

[0012] Filter assembly, filter assembly includes sealing cover, connecting frame, ring frame, sealing ring and filter plate, the top end of connecting frame is bolted to the axle center of sealing cover bottom, ring frame and sealing ring all are equipped with three, the surface bolt connection of ring frame axle center and connecting frame, the surface bolt connection of sealing ring inner side and ring frame, the surface of filter plate and the opening of ring frame top are connected.

[0013] The lifting mechanism is connected with the sealing cover, the chemical plant waste gas treatment and purification cylinder and the filter plate are combined, the flue gas in the chemical plant waste gas treatment and purification cylinder can be purified, when the filter plate needs to be replaced or cleaned, the lifting mechanism drives the whole filter assembly to move upwards, so that the ring frame and the filter plate are exposed upwards from the chemical plant waste gas treatment and purification cylinder, and workers can conveniently maintain and replace the filter plate in the ring frame.

[0014] As a preferred scheme of the utility model, the lifting mechanism includes a driving wheel, a transmission belt, a driven wheel and a lifting assembly, the inside of the driving wheel is in transmission connection with the inside of the transmission belt, the driven wheel and the lifting assembly are both provided with two, the two driven wheels are both in transmission connection with the transmission belt, the driven wheel is in key connection with the lifting assembly, drives the driving wheel to rotate, the driving wheel can drive the transmission belt to rotate, the transmission belt can drive the driven wheel to rotate, the size of the driving wheel is larger than that of the driven wheel, the driven wheel can be accelerated, and the driven wheel can drive the lifting assembly to upgrade.

[0015] As a preferred scheme of the utility model, the lifting assembly includes a lead screw, a lifting bar and a sliding sleeve, the bottom end of the lead screw is in key connection with the shaft center of the driven wheel, the surface of the lead screw is in screw thread connection with the screw hole of the lifting bar, the top end of the lifting bar is in bolt connection with the surface of the sealing cover, the inside of the sliding sleeve is in sliding connection with the surface of the lifting bar, the sliding sleeve is in bolt connection with the chemical plant waste gas treatment and purification cylinder, the driven wheel can drive the lead screw to rotate, the lead screw can drive the lifting bar to move upwards through screw thread, the lifting bar is slidingly arranged with the sliding sleeve through a sliding rail to guide the lifting bar, and the lifting bar can drive the sealing cover to move upwards.

[0016] As a preferred scheme of the utility model, the shaft center of the top of the driving wheel is in rotary connection with the bottom of the base, the bottom of the driving wheel is rotatably connected with a hand wheel, the driving wheel is rotatably arranged with the base through a bearing, the stability of the driving wheel in rotation is guaranteed, and the hand wheel can drive the driving wheel to rotate.

[0017] As a preferred scheme of the utility model, the bottom end of the surface of the lead screw is rotatably sleeved with the hole of the base, the surface of the lifting bar is in sliding connection with the surface of the chemical plant waste gas treatment and purification cylinder, the lead screw is rotatably arranged with the base through a bearing, the stability of the lead screw in rotation is guaranteed, and the lifting bar is slidingly arranged with the chemical plant waste gas treatment and purification cylinder through a sliding rail to guide the lifting bar.

[0018] As a preferred scheme of the utility model, the bottom of the sealing cover is clamped with the top of the chemical plant waste gas treatment and purification cylinder, the surface of the sealing ring is tightly attached to the inner wall of the chemical plant waste gas treatment and purification cylinder, the sealing cover can seal the chemical plant waste gas treatment and purification cylinder, the sealing ring can seal between the chemical plant waste gas treatment and purification cylinder and the ring frame, and the flue gas is prevented from overflowing upwards through the gap.

[0019] Beneficial effects:

[0020] 1. The flue gas inside the inlet pipe enters the interior of the chemical plant's waste gas treatment and purification cylinder. After being filtered layer by layer by the filter plates, it rises into the interior of the outlet pipe, which then pours the flue gas into the purification spray tower for further purification.

[0021] 2. The lifting mechanism can lift the sealing cover, which in turn can lift the connecting frame, which in turn can lift the ring frame, which in turn can lift the sealing ring and filter plate, thus allowing the ring frame and filter plate to be exposed in the chemical plant's waste gas treatment and purification cylinder.

[0022] In this utility model, the combination of a chemical plant waste gas treatment purification cylinder and a filter plate can purify the flue gas in the chemical plant waste gas treatment purification cylinder. When the filter plate needs to be replaced or cleaned, the lifting mechanism drives the entire filter assembly to move upward, so that the frame and filter plate can be exposed upward in the chemical plant waste gas treatment purification cylinder, making it convenient for workers to maintain and replace the filter plate inside the frame. Attached Figure Description

[0023] Figure 1 This is a perspective view of the entire utility model;

[0024] Figure 2 This is a perspective view of the drive wheel of this utility model;

[0025] Figure 3 This is a perspective view of the filter assembly of this utility model;

[0026] Figure 4 This is a three-dimensional view of the chemical plant waste gas treatment and purification cylinder of this utility model.

[0027] In the diagram: 1. Base; 2. Inlet pipe; 3. Chemical plant waste gas treatment and purification cylinder; 4. Outlet pipe; 5. Purification spray tower; 6. Sealing cover; 7. Connecting frame; 8. Ring frame; 9. Sealing ring; 10. Filter plate; 11. Drive wheel; 12. Transmission belt; 13. Driven wheel; 14. Lead screw; 15. Lifting bar; 16. Sliding sleeve. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0029] Example 1

[0030] Reference Figures 1-4 A chemical plant waste gas treatment and purification device, comprising:

[0031] Base 1;

[0032] The chemical plant waste gas treatment and purification cylinder 3 is bolted to the top of the base 1.

[0033] The air inlet pipe 2 is communicated with the air inlet at the bottom end of the surface of the chemical plant waste gas treatment and purification cylinder 3.

[0034] The air outlet pipe 4 is communicated with the air outlet of the chemical plant waste gas treatment and purification cylinder 3.

[0035] The purification spray tower 5 is communicated with the left end of the air outlet pipe 4.

[0036] The filter assembly includes a sealing cover 6, a connecting frame 7, a ring frame 8, three sealing rings 9, and a filter plate 10. The shaft center at the bottom of the sealing cover 6 is bolted to the top end of the connecting frame 7. The ring frame 8 and the sealing ring 9 are each provided with three. The shaft center of the ring frame 8 is bolted to the surface of the connecting frame 7. The inner side of the sealing ring 9 is bolted to the surface of the ring frame 8. The surface of the filter plate 10 is clamped to the opening at the top of the ring frame 8.

[0037] The lifting mechanism is connected with the sealing cover 6.

[0038] Through the combination of the chemical plant waste gas treatment and purification cylinder 3 and the filter plate 10, the flue gas in the chemical plant waste gas treatment and purification cylinder 3 can be purified. When the filter plate 10 needs to be replaced or cleaned, the lifting mechanism drives the entire filter assembly to move upward, so that the ring frame 8 and the filter plate 10 are exposed to the chemical plant waste gas treatment and purification cylinder 3, facilitating the maintenance and replacement of the filter plate 10 inside the ring frame 8.

[0039] Please refer to Figure 2 The lifting mechanism includes a driving wheel 11, a transmission belt 12, two driven wheels 13, and a lifting assembly. The inside of the driving wheel 11 is drivingly connected with the inner side of the transmission belt 12. The driven wheel 13 and the lifting assembly are each provided with two. The two driven wheels 13 are drivingly connected with the transmission belt 12. The driven wheel 13 is key-connected with the lifting assembly, driving the driving wheel 11 to rotate. The driving wheel 11 can drive the transmission belt 12 to rotate. The transmission belt 12 can drive the driven wheel 13 to rotate. The size of the driving wheel 11 is larger than that of the driven wheel 13, which can accelerate the driven wheel 13. The driven wheel 13 can drive the lifting assembly to rise.

[0040] Please refer to Figure 2The lifting assembly comprises a screw rod 14, a lifting bar 15 and a sliding sleeve 16, the bottom end of the screw rod 14 is connected with the shaft of the passive wheel 13, the surface of the screw rod 14 is threadedly connected with the screw hole of the lifting bar 15, the top end of the lifting bar 15 is bolted with the surface of the sealing cover 6, the inside of the sliding sleeve 16 is slidingly connected with the surface of the lifting bar 15, the sliding sleeve 16 is bolted with the chemical plant waste gas treatment and purification cylinder 3, the passive wheel 13 can drive the screw rod 14 to rotate, the screw rod 14 can drive the lifting bar 15 to move upwards by means of the thread, the lifting bar 15 is slidingly arranged with the sliding sleeve 16 through the slide rail, and the lifting bar 15 is guided, and the lifting bar 15 can drive the sealing cover 6 to move upwards.

[0041] Please refer to Figure 2 The shaft at the top of the driving wheel 11 is rotatably connected with the bottom of the base 1, the bottom of the driving wheel 11 is rotatably connected with a hand wheel, and the driving wheel 11 is rotatably arranged with the base 1 through a bearing, so that the stability of rotation of the driving wheel 11 is ensured, and the hand wheel can drive the driving wheel 11 to rotate.

[0042] Please refer to Figure 4 The bottom end of the surface of the screw rod 14 is rotatably sleeved with the hole of the base 1, the surface of the lifting bar 15 is slidingly connected with the surface of the chemical plant waste gas treatment and purification cylinder 3, and the screw rod 14 is rotatably arranged with the base 1 through a bearing, so that the stability of rotation of the screw rod 14 is ensured, and the lifting bar 15 is slidingly arranged with the chemical plant waste gas treatment and purification cylinder 3 through a slide rail, so that the lifting bar 15 is guided.

[0043] Please refer to Figure 1 The bottom of the sealing cover 6 is clamped with the top of the chemical plant waste gas treatment and purification cylinder 3, and the surface of the sealing ring 9 is tightly attached to the inner wall of the chemical plant waste gas treatment and purification cylinder 3, so that the chemical plant waste gas treatment and purification cylinder 3 can be sealed by the sealing cover 6, the sealing ring 9 can seal the chemical plant waste gas treatment and purification cylinder 3 and the ring frame 8, and the smoke gas is prevented from overflowing upwards through the gap.

[0044] Example two

[0045] The difference between the embodiment and the embodiment one is that the driving wheel 11, the transmission belt 12 and the passive wheel 13 are replaced by a rotating rod, a main bevel gear which is rotatably connected with the surface of the rotating rod at both ends and a secondary bevel gear which is meshed with the main bevel gear. The rotating rod can drive the secondary bevel gear to rotate through the main bevel gear, and the secondary bevel gear can drive the screw rod 14 to rotate, but the rotating rod needs to be rotatably connected with a support seat for stable rotation, which is very inconvenient, therefore, the driving wheel 11, the transmission belt 12 and the passive wheel 13 are preferred.

[0046] The utility model discloses a working principle: the right end of air inlet pipe 2 is connected with the waste gas discharge pipeline of chemical plant, and the flue gas in the inside of air inlet pipe 2 enters the inside of chemical plant waste gas treatment and purification cylinder 3, after layer after layer filtration of three layers of filter plate 10, floats into the inside of air outlet pipe 4 upwards, and air outlet pipe 4 pours the flue gas into the inside of purification spray tower 5 and carries out purification, if wanting to replace filter plate 10, drives driving wheel 11 to rotate, and driving wheel 11 can drive transmission belt 12 to rotate, and transmission belt 12 can drive passive wheel 13 to rotate, and the size of driving wheel 11 is greater than the size of passive wheel 13, can produce the effect of acceleration to passive wheel 13, and passive wheel 13 can drive screw rod 14 to rotate, and screw rod 14 can utilize the thread to drive lifting strip 15 to move upwards, and lifting strip 15 is slidably arranged with sliding rail and sliding sleeve 16, and is guided to lifting strip 15, and lifting strip 15 can drive sealing cover 6 to move upwards, and sealing cover 6 can drive connecting frame 7 to move upwards, and connecting frame 7 can drive ring frame 8 to move upwards, and ring frame 8 can drive sealing ring 9 and filter plate 10 to move upwards, so that ring frame 8 and filter plate 10 can expose chemical plant waste gas treatment and purification cylinder 3, and it is convenient for the worker to maintain and replace filter plate 10 in the inside of ring frame 8.

[0047] The above is only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, and any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A chemical plant off-gas treatment and purification device, characterized by, The base (1) is provided with a chemical plant waste gas treatment and purification cylinder (3) bolted to the top of the base (1), an air inlet pipe (2) communicated with the air inlet at the bottom end of the surface of the chemical plant waste gas treatment and purification cylinder (3), an air outlet pipe (4) communicated with the air outlet of the chemical plant waste gas treatment and purification cylinder (3), and a purification spray tower (5) communicated with the left end of the air outlet pipe (4). The filter assembly comprises a sealing cover (6), a connecting frame (7), a ring frame (8), a sealing ring (9), and a filter plate (10). The sealing cover (6) is bolted to the top end of the connecting frame (7) at the shaft center of the bottom of the sealing cover (6). The ring frame (8) and the sealing ring (9) are each provided with three, the shaft center of the ring frame (8) is bolted to the surface of the connecting frame (7), the inner side of the sealing ring (9) is bolted to the surface of the ring frame (8), and the surface of the filter plate (10) is clamped to the opening at the top of the ring frame (8). The lifting mechanism is connected with the sealing cover (6). The lifting mechanism comprises a driving wheel (11), a transmission belt (12), a driven wheel (13), and a lifting assembly. The inside of the driving wheel (11) is drivingly connected with the inner side of the transmission belt (12). The driven wheel (13) and the lifting assembly are each provided with two.

2. A device for treating and purifying waste gas from a chemical plant according to claim 1, characterized in that, The two driven wheels (13) are drivingly connected with the transmission belt (12), and the driven wheel (13) is key-connected with the lifting assembly.

3. A device for treating and purifying waste gas in a chemical plant according to claim 2, characterized in that, The lifting assembly comprises a lead screw (14), a lifting bar (15), and a sliding sleeve (16).

4. A device for treating and purifying waste gas in a chemical plant according to claim 2, characterized in that, The bottom end of the lead screw (14) is key-connected with the shaft center of the driven wheel (13), the surface of the lead screw (14) is threadedly connected with the screw hole of the lifting bar (15), the top end of the lifting bar (15) is bolted to the surface of the sealing cover (6), the inside of the sliding sleeve (16) is slidingly connected with the surface of the lifting bar (15), and the sliding sleeve (16) is bolted to the chemical plant waste gas treatment and purification cylinder (3).

5. A device for treating and purifying waste gas in a chemical plant according to claim 3, characterized in that, The shaft center at the top of the driving wheel (11) is rotationally connected with the bottom of the base (1), and the bottom of the driving wheel (11) is rotationally connected with a hand wheel.

6. A device for treating and purifying waste gas in a chemical plant according to claim 1, characterized in that, The bottom end of the surface of the lead screw (14) is rotationally sleeved with the hole of the base (1), and the surface of the lifting bar (15) is slidingly connected with the surface of the chemical plant waste gas treatment and purification cylinder (3). The bottom of the sealing cover (6) is clamped to the top of the chemical plant waste gas treatment and purification cylinder (3), and the surface of the sealing ring (9) is tightly attached to the inner wall of the chemical plant waste gas treatment and purification cylinder (3).

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