Process device for concentrating and absorbing silicon tetrafluoride gas

Abstract

The utility model discloses a process device for concentrating and absorbing silicon tetrafluoride gas, which relates to the field of gas absorption and comprises an absorption box and a box door, an absorption cavity and two symmetrical slots are arranged at the front end of the absorption box, the slots are arranged on two sides of the absorption cavity, and the absorption cavity is communicated with the slots. A filter screen inserting assembly, a water circulation assembly and an air inlet assembly are arranged on the absorption box, the filter screen inserting assembly comprises a filter screen body, inserting blocks are fixedly connected to the two sides of the filter screen body, the outer ends of the inserting blocks are slidably connected with inserting grooves, clamping holes are formed in the upper ends of the inserting grooves, inserting columns are slidably connected to the inner walls of the clamping holes, and the outer ends of the inserting columns are slidably connected with the absorption box; the upper end of the inserting column is fixedly connected with a moving column and a spring, the moving column is sleeved with the spring, the upper end of the spring is fixedly connected with an L-shaped plate, and the moving column penetrates through the L-shaped plate. According to the utility model, the filter screen body for filtering molded silica gel for a long time can be conveniently replaced, and the filtering effect of the filter screen body is always ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas absorption field, concretely is a kind of silicon tetrafluoride gas concentration absorption's process device. BACKGROUND

[0002] In the process of producing phosphoric acid or phosphate fertilizer by adopting wet process, part of fluorine in phosphate rock is replaced into silicon tetrafluoride gas, and the overflow of fluorine can reach 30% to 40%, which is very high in content. Directly discharging these gases pollutes the air and causes great waste. In order to fully utilize the silicon tetrafluoride gas, it is necessary to first absorb the silicon tetrafluoride with water as the absorbent.

[0003] For example, the utility model patent with publication number CN213375860U discloses a silicon tetrafluoride gas concentration absorption process device, which includes an absorption tank. An air inlet pipe is arranged on the upper side of the absorption tank. A water inlet is arranged on the right side of the air inlet pipe. A water outlet is arranged on the lower end of the right side of the absorption tank. A discharge port is arranged on the upper side of the water outlet. A support frame is fixedly connected to the middle of the absorption tank. A support plate is fixedly connected to the middle of the support frame. A water pump is arranged on the left side of the absorption tank. Blocking blocks are fixedly connected to the inner walls of the absorption tank. A connecting plate is slidably connected to the middle of the absorption tank. The right side of the connecting plate is located at the lower end of the discharge port. The utility model has a simple structure, is economical and practical, can increase the absorption efficiency and absorption rate, and can also avoid the blockage of the water circulation pipeline by the precipitated silica gel. However, the surface of the filter screen that vibrates through the cam is still likely to be attached with silica gel, which may cause the filter screen to be blocked after a long period of use, and finally result in poor filtering effect of the filter screen. Therefore, we propose a silicon tetrafluoride gas concentration absorption process device. UTILITY MODEL CONTENTS

[0004] The utility model aims to provide a silicon tetrafluoride gas concentration absorption process device to solve the problems raised in the background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a silicon tetrafluoride gas concentration absorption process device, which includes an absorption tank and a tank door. An absorption cavity and two symmetrically arranged insertion slots are formed in the front end of the absorption tank. The insertion slots are arranged on both sides of the absorption cavity. The absorption cavity is connected to the insertion slots. A filter screen plug-in assembly, a water circulation assembly and an air inlet assembly are arranged on the absorption tank. The filter screen plug-in assembly includes a filter screen body. Insertion blocks are fixedly connected to both sides of the filter screen body, and the outer ends of the insertion blocks are slidably connected to the insertion slots. A clamping hole is formed in the upper end of each insertion slot. An insertion column is slidably connected to the inner wall of the clamping hole, and the outer end of the insertion column is slidably connected to the absorption tank. A moving column and a spring are fixedly connected to the upper end of the insertion column, and the spring is sleeved around the moving column. An L-shaped plate is fixedly connected to the upper end of the spring, and the moving column passes through the L-shaped plate. The lower end of the L-shaped plate is fixedly connected to the absorption tank. Two L-shaped plates are fixedly connected to the upper end of the pull plate.

[0006] Preferably, the water circulation assembly comprises a fixed ring rotatably connected to the inside top end of the absorption cavity through a bearing, a water storage plate fixedly connected to the lower end of the fixed ring, a plurality of high-pressure nozzles in uniform distribution fixedly connected to the lower end of the water storage plate, a gear ring fixedly connected to the upper end of the water storage plate, a gear rotatably connected to the inner end of the gear ring, a rotating shaft fixedly connected to the upper end of the gear and rotatably connected to the absorption tank through a bearing at the outer end of the rotating shaft, and a stepping motor fixedly connected to the output end of the rotating shaft at the upper end of the rotating shaft and fixedly connected to the absorption tank at the lower end of the stepping motor.

[0007] Preferably, a water tank is fixedly connected to the rear side of the middle part of the upper end of the absorption tank, a first pump body is fixedly connected to the upper end of the water tank, a water outlet pipe is fixedly connected to the upper end of the first pump body and inserted into the fixed ring through the upper end of the absorption tank, a backflow pipe is fixedly connected to the rear end of the water tank, and a second pump body is fixedly connected to the front side of the lower end of the backflow pipe and inserted into the absorption tank at the input end of the second pump body.

[0008] Preferably, the air inlet assembly comprises an air inlet pipe inserted into the absorption tank, a bent pipe fixedly connected to the front end of the air inlet pipe, a clamping plate inserted between the bent pipes, and an absorption cavity fixedly connected to the rear end of the clamping plate, and air outlet holes are formed in the outer ends of the bent pipes.

[0009] Preferably, a tank door is hingedly connected to the front end of the absorption tank, a sealing strip is fixedly connected to the inner end of the tank door, a sealing groove is formed in the front end of the absorption tank, and the sealing strip corresponds to the sealing groove.

[0010] Preferably, a second locking block is arranged on the upper middle part of the front end of the absorption tank, a first locking block is arranged on the middle part of the front end of the tank door, and the first locking block corresponds to the second locking block.

[0011] Preferably, the pull plate is arranged on the upper part of the water outlet pipe, and the air inlet assembly is arranged between the filter screen body and the high-pressure nozzle.

[0012] Preferably, the inner vertical cross-sectional dimension of the filter screen body is matched with the inner vertical cross-sectional dimension of the absorption cavity.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. The utility model provides an absorption box, absorption cavity, slot, sealing groove, filter screen plug-in assembly, water circulation assembly, air inlet assembly, box door, sealing strip, first lock block and second lock block can complete when needing to replace the filter screen body of long time use, at the time can unloose first lock block and second lock block, the box door opens at the time, next can first pull the plate and pull up the action, the pull plate drives the movement column and the plug -in post to move up the action, the plug -in post compresses the spring action, when the plug -in post is separated from the card hole, the filter screen body can be taken out at the time, the plug -in block slides in the slot, the utility model discloses realized convenient replacement action of long time to the filter screen body of forming silica gel, always guarantee the filtering effect of filter screen body.

[0015] 2, be provided with water circulation assembly can complete to first pump body, second pump body and step motor power supply, the step motor output end drives the rotation axle to rotate the action at the time, the rotation axle drives the gear to rotate and in turn drives the gear ring to rotate the action at the time, the gear ring drives the water storage plate and high pressure shower nozzle to rotate the action at the time, the first pump body drives the water in water tank to enter into the water outlet pipe and in turn from high pressure shower nozzle and sprays, second pump body re-pumps the water back to water tank in absorption cavity, improves the absorption rate of silicon tetrafluoride gas. ACCURACY

[0016] Figure 1 It is the whole structure schematic view of the utility model;

[0017] Figure 2 It is the front view structure schematic view of the utility model;

[0018] Figure 3 It is water circulation assembly structure schematic view of the utility model;

[0019] Figure 4 It is filter screen plug-in assembly cross section structure schematic view of the utility model;

[0020] Figure 5 It is air inlet assembly structure schematic view of the utility model.

[0021] In the figure: 1, absorption box; 2, absorption cavity; 3, insertion slot; 4, sealing groove; 5, filter screen insertion assembly; 51, filter screen body; 52, insertion block; 53, clamping hole; 54, insertion column; 55, moving column; 56, L-shaped plate; 57, pull plate; 58, spring; 6, water circulation assembly; 61, fixed ring; 62, water storage plate; 63, high-pressure spray head; 64, gear ring; 65, gear; 66, rotating shaft; 67, stepping motor; 68, water outlet pipe; 69, first pump body; 610, water tank; 611, return pipe; 612, second pump body; 7, air inlet assembly; 71, air inlet pipe; 72, elbow pipe; 73, clamping plate; 74, air outlet hole; 8, box door; 9, sealing strip; 10, first lock block; 11, second lock block. DETAILED DESCRIPTION

[0022] 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. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] Please refer to Figure 1 - Figure 5 The present application provides a technical solution: a process device for concentrating and absorbing silicon tetrafluoride gas, comprising an absorption box 1 and a box door 8. The front end of the absorption box 1 is provided with an absorption cavity 2 and two symmetrically arranged insertion slots 3. The insertion slots 3 are arranged on both sides of the absorption cavity 2, and the absorption cavity 2 is connected to the insertion slots 3. The absorption box 1 is provided with a filter screen insertion assembly 5, a water circulation assembly 6, and an air inlet assembly 7. The filter screen insertion assembly 5 comprises a filter screen body 51. The filter screen body 51 is fixedly connected with an insertion block 52 on both sides, and the outer end of the insertion block 52 is slidingly connected with the insertion slot 3. A clamping hole 53 is formed in the upper end of each insertion slot 3. The inner wall of the clamping hole 53 is slidingly connected with an insertion column 54, and the outer end of the insertion column 54 is slidingly connected with the absorption box 1. The upper end of the insertion column 54 is fixedly connected with a moving column 55 and a spring 58, and the spring 58 is sleeved with the moving column 55. The upper end of the spring 58 is fixedly connected with an L-shaped plate 56, and the moving column 55 passes through the L-shaped plate 56. The lower end of the L-shaped plate 56 is fixedly connected with the absorption box 1. The upper ends of the two L-shaped plates 56 are fixedly connected with a pull plate 57.

[0024] In the embodiment, the water circulation assembly 6 comprises a fixed ring 61 rotatably connected in the inside top end of the absorption cavity 2 through a bearing, a water storage plate 62 fixedly and communicatively connected at the lower end of the fixed ring 61, a plurality of high-pressure nozzles 63 fixedly and communicatively connected at the lower end of the water storage plate 62 in a uniform distribution, a gear ring 64 fixedly connected at the upper end of the water storage plate 62, a gear 65 meshingly connected at the inner end of the gear ring 64, a rotating shaft 66 fixedly connected at the upper end of the gear 65 and rotatably connected at the outer end of the rotating shaft 66 to the absorption box 1 through a bearing, and a stepping motor 67 fixedly connected at the output end of the rotating shaft 66 and at the lower end of the absorption box 1.

[0025] Specifically, the water circulation assembly 6 is arranged to supply power to the first pump body 69, the second pump body 612 and the stepping motor 67. At this time, the output end of the stepping motor 67 drives the rotating shaft 66 to rotate. At this time, the rotating shaft 66 drives the gear 65 to rotate and in turn drives the gear ring 64 to rotate. At this time, the gear ring 64 drives the water storage plate 62 and the high-pressure nozzles 63 to rotate.

[0026] In the embodiment, the upper end of the absorption box 1 is fixedly and communicatively connected to a water tank 610 at the rear side of the middle part. The upper end of the water tank 610 is fixedly and communicatively connected to the first pump body 69. The upper end of the first pump body 69 is fixedly and communicatively connected to a water outlet pipe 68, and the outer end of the water outlet pipe 68 penetrates through the upper end of the absorption box 1 and is inserted into the fixed ring 61. The rear end of the water tank 610 is fixedly and communicatively connected to a return pipe 611. The lower end of the return pipe 611 is fixedly and communicatively connected to the front side of the second pump body 612, and the input end of the second pump body 612 is inserted into the absorption box 1.

[0027] Specifically, at this time, the first pump body 69 drives the water in the water tank 610 to enter the water outlet pipe 68 and in turn to be sprayed from the high-pressure nozzles 63. The second pump body 612 pumps the water back to the water tank 610 from the absorption cavity 2, thereby improving the absorption rate of the silicon tetrafluoride gas.

[0028] In the embodiment, the air inlet assembly 7 comprises an air inlet pipe 71 inserted into the absorption box 1. The front end of the air inlet pipe 71 is fixedly and communicatively connected to a bent pipe 72. The bent pipe 72 is inserted with a clamping plate 73, and the rear end of the clamping plate 73 is fixedly connected to the absorption cavity 2. The outer end of the bent pipe 72 is provided with air outlet holes 74.

[0029] Specifically, the silicon tetrafluoride gas enters the bent pipe 72 from the air inlet pipe 71, and the silicon tetrafluoride gas is dispersed from the air outlet holes 74.

[0030] In the embodiment, the front end of the absorption box 1 is hingedly connected to a box door 8. The inner end of the box door 8 is fixedly connected to a sealing strip 9. The front end of the absorption box 1 is provided with a sealing groove 4 on the outer side. The sealing strip 9 corresponds to the sealing groove 4.

[0031] Specifically, the sealing groove 4 and the sealing strip 9 are arranged to improve the sealing between the box door 8 and the absorption box 1.

[0032] In the embodiment, the second locking block 11 is arranged at the upper middle part of the front end of the absorption box 1, and the first locking block 10 is arranged at the middle part of the front end of the box door 8, and the first locking block 10 corresponds to the second locking block 11.

[0033] Specifically, the first locking block 10 and the second locking block 11 can lock the absorption box 1 and the box door 8.

[0034] In the embodiment, the pull plate 57 is arranged at the upper part of the water outlet pipe 68, and the air inlet assembly 7 is arranged between the filter screen body 51 and the high-pressure nozzle 63.

[0035] Specifically, it is ensured that the pull plate 57 does not interfere with the water outlet pipe 68 during use.

[0036] In the embodiment, the inner vertical section size of the filter screen body 51 is matched with the inner vertical section size of the absorption cavity 2.

[0037] Specifically, it is ensured that the filter screen body 51 can abut against the inner wall of the absorption cavity 2.

[0038] Working principle: when the absorption box 1 is used, the silicon tetrafluoride gas at this time enters the bent pipe 72 from the air inlet pipe 71, the silicon tetrafluoride gas is scattered from the air outlet hole 74, and then the first pump body 69, the second pump body 612 and the stepping motor 67 are powered, the output end of the stepping motor 67 at this time drives the rotating shaft 66 to rotate, the rotating shaft 66 at this time drives the gear 65 to rotate and further drives the gear ring 64 to rotate, the gear ring 64 at this time drives the water storage plate 62 and the high-pressure nozzle 63 to rotate, the first pump body 69 at this time drives the water in the water tank 610 to enter the water outlet pipe 68 and then is sprayed from the high-pressure nozzle 63, and the second pump body 612 pumps the water backflowing into the absorption cavity 2 back to the water tank 610, when it is necessary to replace the filter screen body 51 used for a long time, the first locking block 10 and the second locking block 11 at this time can be disengaged, the box door 8 at this time is opened, and then the pull plate 57 can be pulled upward, the pull plate 57 at this time drives the moving column 55 and the insertion column 54 to move upward, the insertion column 54 compresses the spring 58, and when the insertion column 54 is separated from the clamping hole 53, the filter screen body 51 at this time can be taken out, and the insertion block 52 slides in the insertion slot 3, the utility model realizes convenient replacement of the filter screen body 51 which can filter the formed silica gel for a long time, and always ensures the filtering effect of the filter screen body 51.

[0039] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A process device for the concentration and absorption of silicon tetrafluoride gas, comprising an absorption tank (1) and a tank door (8), characterized in that: The absorption box (1) is provided with an absorption cavity (2) and two symmetrical insertion slots (3) at the front end, the insertion slots (3) are arranged on both sides of the absorption cavity (2), the absorption cavity (2) is communicated with the insertion slots (3), the absorption box (1) is provided with a filter net plug-in assembly (5), a water circulation assembly (6) and an air inlet assembly (7), the filter net plug-in assembly (5) comprises a filter net body (51), the filter net body (51) is fixedly connected with an insertion block (52) on both sides, and the insertion block (52) is slidably connected with the insertion slot (3) at the outer end; a clamping hole (53) is formed in the upper end of each insertion slot (3); the inner wall of the clamping hole (53) is slidably connected with an insertion column (54), and the outer end of the insertion column (54) is slidably connected with the absorption box (1); the upper end of the insertion column (54) is fixedly connected with a moving column (55) and a spring (58), the spring (58) is sleeved with the moving column (55), the upper end of the spring (58) is fixedly connected with an L-shaped plate (56), the moving column (55) penetrates through the L-shaped plate (56), and the lower end of the L-shaped plate (56) is fixedly connected with the absorption box (1); the upper ends of the two L-shaped plates (56) are fixedly connected with a pull plate (57).

2. A process apparatus for concentrating and absorbing a silicon tetrafluoride gas according to claim 1, characterized by: The water circulation assembly (6) comprises a fixed ring (61) rotatably connected to the inner side of the absorption cavity (2) through a bearing, a water storage plate (62) fixedly connected to the lower end of the fixed ring (61), a plurality of high-pressure nozzles (63) fixedly and uniformly distributed on the lower end of the water storage plate (62), a gear ring (64) fixedly connected to the upper end of the water storage plate (62), a gear (65) meshingly connected to the inner end of the gear ring (64), a rotating shaft (66) fixedly connected to the upper end of the gear (65), and a stepping motor (67) fixedly connected to the output end of the rotating shaft (66) and the lower end of the absorption box (1).

3. A process apparatus for concentrating and absorbing silicon tetrafluoride gas as claimed in claim 2, wherein: The upper end of the absorption box (1) is fixedly and communicatively connected with a water tank (610), the upper end of the water tank (610) is fixedly connected with a first pump body (69), the upper end of the first pump body (69) is fixedly connected with a water outlet pipe (68), the outer end of the water outlet pipe (68) penetrates through the upper end of the absorption box (1) and is plug-connected with the fixed ring (61), the rear end of the water tank (610) is fixedly connected with a return pipe (611), and the lower end of the return pipe (611) is fixedly and communicatively connected with a second pump body (612), and the input end of the second pump body (612) is plug-connected with the absorption box (1).

4. The process apparatus for concentrating and absorbing a silicon tetrafluoride gas according to claim 1, characterized by: The air inlet assembly (7) comprises an air inlet pipe (71), the air inlet pipe (71) is plug-connected with the absorption box (1), the front end of the air inlet pipe (71) is fixedly and communicatively connected with a bent pipe (72), a clamping plate (73) is plug-connected between the bent pipes (72), the rear end of the clamping plate (73) is fixedly connected with the absorption cavity (2), and air outlet holes (74) are formed in the outer ends of the bent pipes (72).

5. The process apparatus for concentrating and absorbing silicon tetrafluoride gas according to claim 1, wherein: The front end of the absorption box (1) is hingedly connected with a box door (8), the inner end of the box door (8) is fixedly connected with a sealing strip (9), the front end of the absorption box (1) is provided with a sealing groove (4) on the outer side, and the sealing strip (9) corresponds to the sealing groove (4).

6. The process apparatus for concentrating and absorbing silicon tetrafluoride gas according to claim 1, wherein: The second lock block (11) is arranged at the upper middle part of the front end of the absorption box (1), the first lock block (10) is arranged at the middle part of the front end of the box door (8), and the first lock block (10) corresponds to the second lock block (11).

7. The process apparatus for concentrating and absorbing silicon tetrafluoride gas according to claim 3, wherein: The pull plate (57) is arranged on the upper part of the water outlet pipe (68), and the air inlet assembly (7) is arranged between the filter screen body (51) and the high-pressure spray head (63).

8. The process apparatus for concentrating and absorbing a silicon tetrafluoride gas according to claim 1, characterized by: The inner vertical section dimension of the filter screen body (51) is matched with the inner vertical section dimension of the absorption cavity (2).

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