Environment-friendly dust removal and desulfurization device for waste gas

Abstract

The invention discloses an environment-friendly dust removal and desulfurization device for waste gas, and relates to the technical field of waste gas treatment. The device comprises a spraying tank and supporting frames, the supporting frames are evenly and fixedly installed at the bottom end of the spraying tank, a waste gas introducing assembly is arranged in the center of the bottom of the spraying tank and used for introducing waste gas into the spraying tank, circulating pipes are evenly and fixedly installed on the outer side of the spraying tank, and the circulating pipes are communicated with the spraying tank. And a water pump is fixedly mounted between the circulating pipes. The use amount of waste gas treatment liquid sprayed by the spray head can be adjusted according to the amount of introduced waste gas, so that the phenomena that waste is caused by excessive spraying of the waste gas treatment liquid and the treatment effect is reduced due to insufficient spraying are avoided, a sealed water wall is favorably formed in the spraying tank, and the treatment effect is improved. The spraying tank is arranged, so that the waste gas can be in contact with water mist in the upward flowing process, the dust removal and desulfurization effects are improved, the waste gas is distributed more uniformly in the spraying tank, and the dust capturing effect and the effect of the agent and the waste gas are improved.

Description

Technical Field

[0001] The invention relates to the technical field of waste gas treatment, and in particular to a waste gas environmentally friendly dust removal and desulfurization device. Background Art

[0002] Waste gas treatment is an important part of industrial production. Its purpose is to make the waste gas generated in industrial production meet the emission standards. In waste gas treatment, the first thing to do is to remove dust and desulfurize. The existing environmentally friendly waste gas dust removal and desulfurization equipment are all realized in the form of spraying. By spraying waste gas treatment liquid in a spray tank with waste gas, the dust can be captured while the agent can react with the waste gas to achieve the desulfurization effect, thereby removing dust and desulfurizing.

[0003] However, the existing waste gas environmental dust removal and desulfurization device still has the following defects during use:

[0004] 1. The exhaust gas is introduced upward from the bottom of the spray tank, and the diameter of the conveying pipe is much smaller than the inner diameter of the spray tank. Therefore, after the exhaust gas is introduced, it is easy to gather in the middle of the spray tank and distribute unevenly, thereby reducing the capture of dust and the effect of the action of the agent and the exhaust gas.

[0005] 2. The nozzles in the traditional spray tank are evenly distributed and cannot be moved. It is difficult to form a sealed water wall during spraying. Therefore, some exhaust gas is easily discharged upward from the gaps between the sprayed liquid, reducing the effect of dust removal and desulfurization.

[0006] 3. During the spraying process, the spraying amount of the waste gas treatment liquid cannot be adaptively adjusted according to the amount of flue gas introduced, which may easily lead to waste due to excessive spraying or reduced treatment effect due to insufficient spraying. Summary of the invention

[0007] The purpose of the present invention is to solve the problems that the above-mentioned waste gas is unevenly distributed in the spray tank, which reduces the capture of dust and the effect of the reaction between the agent and the waste gas. The waste gas is easily discharged upward from the gap between the sprayed liquid, which reduces the effect of dust removal and desulfurization. The spraying amount of the waste gas treatment liquid cannot be adaptively adjusted according to the intake amount of the flue gas, which is prone to waste due to excessive spraying, or reduced treatment effect due to insufficient spraying. The present invention provides an environmentally friendly waste gas dust removal and desulfurization device.

[0008] In order to achieve the above-mentioned purpose, the present invention specifically adopts the following technical solutions:

[0009] A waste gas environmental protection dust removal and desulfurization device comprises a spray tank and a support frame, wherein the support frame is evenly fixedly installed at the bottom end of the spray tank, a waste gas introduction component is arranged at the bottom center of the spray tank, and the waste gas introduction component is used to introduce the waste gas into the spray tank, a circulation pipe is evenly fixedly installed at the outside of the spray tank, a water pump is fixedly installed between the circulation pipes, a storage pipe is fixedly installed at the top of the circulation pipe, and the top of the circulation pipe is connected with the storage pipe, a spray component is arranged between the inner side of the storage pipe and the spray tank, the spray component is used to spray out the waste gas treatment liquid, an adjustment component is arranged between the spray component and the waste gas introduction component, and the adjustment component is used to adjust the spraying amount of the waste gas treatment liquid according to the waste gas introduction amount, and an exhaust pipe is fixedly connected at the center of the top of the spray tank.

[0010] Furthermore, the bottom of the circulation pipe is bent toward the center of the spray tank and then extends upward to the interior of the spray tank. The opening of the circulation pipe inside the spray tank is located above the bottom wall of the spray tank, thereby preventing dust deposited at the bottom of the spray tank from being sucked into the circulation pipe.

[0011] Furthermore, the exhaust gas introduction component includes an air inlet pipe, which is fixedly installed at the center of the bottom of the spray tank, and a conical block is fixedly installed at the top of the air inlet pipe. An air outlet groove is opened below the outer conical block at the top of the air inlet pipe, and a plunger is slidably connected to the inside of the top of the air inlet pipe. The plunger is attached to the inner wall of the air inlet pipe, and a spring is fixedly connected between the top of the plunger and the inner wall of the top of the air inlet pipe.

[0012] Furthermore, the diameter of the conical block gradually increases from bottom to top, so that the exhaust gas flowing out of the gas outlet groove can diffuse outward through the conical block.

[0013] Furthermore, the height of the plunger is greater than the upper and lower lengths of the air outlet groove, so that the plunger can move to completely block the air outlet groove.

[0014] Furthermore, the spray assembly includes a spray pipe, a spray pipe is fixedly installed on the inner side of the storage tube outside the spray tank, a connecting pipe is evenly fixedly installed between the spray pipe and the storage tube, a sealing ring strip is connected to the inner side of the spray pipe for limited rotation, blades are evenly fixedly installed on the outer side of the sealing ring strip located inside the spray pipe, a spray head is evenly fixedly installed on the inner side of the sealing ring strip, the spray head is flat in design, and the inside of the spray head is connected to the spray pipe through the sealing ring strip, so that the waste gas treatment liquid entering the spray pipe can be sprayed out through the spray head, and a valve is fixedly installed in the middle of the spray head to control the spray amount of the waste gas treatment liquid from the spray head.

[0015] Furthermore, the evenly distributed connecting pipes are designed to be inclined in the same direction between the storage pipe and the spray pipe, and the connecting pipes are connected to the storage pipes and the spray pipes on both sides. Therefore, when the waste gas treatment liquid inside the storage pipe enters the spray pipe through the connecting pipe, it can push the blades and the sealing ring strips to rotate.

[0016] Furthermore, the adjusting assembly includes a vertical rod, the top end of the plunger is fixedly installed with a vertical rod, the vertical rod passes through the conical block and extends upward, the top end of the vertical rod is fixedly installed with a disc, the top limit sliding connection of the valve is connected with a bent valve stem, the bent valve stem controls the valve by lifting, and as the bent valve stem moves upward, the amount of waste gas treatment liquid passing through the valve can be increased, a swivel is fixedly installed at the bottom end of the inner side of the bent valve stem, the bottom limit rotation connection of the swivel is connected with a fixed ring, and a transmission rod is transmission-connected between the bottom end of the fixed ring and the disc.

[0017] Furthermore, one side of the bottom of the transmission rod is hinged to the outer periphery of the disc, and the top side is tilted outward and then hinged to the bottom end of the fixed ring. Therefore, when the disc moves up and down, the fixed ring can also be driven up and down by the transmission rod, and then the swivel ring and the bent valve stem can also be driven up and down without affecting the rotation of the swivel ring.

[0018] Furthermore, a water adding pipe is fixedly connected to the side wall of the bottom of the spray tank, and the water adding pipe is used to add waste gas treatment liquid. The height of the water adding pipe is below the bottom of the air outlet groove, and a water level controller is installed at one end of the water adding pipe located inside the spray tank, so that the liquid level of the waste gas treatment liquid in the bottom of the spray tank will not submerge the water adding pipe. The bottom of the spray tank is fixedly connected to a sewage pipe so that accumulated dust can be discharged.

[0019] The beneficial effects of the present invention are as follows:

[0020] 1. The present invention, through the coordinated design of the waste gas introduction component, the spray component and the adjustment component, can move the plunger up and down by the size of the waste gas pressure, and then control the bending valve stem to move up and down, so that the bending valve stem controls the valve of the nozzle, and then can adjust the amount of waste gas treatment liquid sprayed from the nozzle according to the amount of waste gas introduced, thereby avoiding the waste caused by excessive spraying of the waste gas treatment liquid and the phenomenon of reduced treatment effect caused by insufficient spraying.

[0021] 2. The present invention, through the design of the spray component, utilizes the recycling of the exhaust gas treatment liquid, and can drive the nozzle to rotate while spraying the exhaust gas treatment liquid, without adding an additional power source. This is conducive to forming a sealed water wall inside the spray tank, so that the exhaust gas can contact with the water mist during the upward flow process, thereby improving the dust removal and desulfurization effect.

[0022] 3. The present invention, through the design of the exhaust gas introduction component, utilizes the conical block to make the exhaust gas diffuse outward after entering the spray tank, thereby avoiding the exhaust gas from gathering in the middle of the spray tank, distributing it more evenly, and improving the capture of dust and the effect of the action of the agent and the exhaust gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 The three-dimensional structure of the present invention is shown in FIG. Figure 1 ;

[0024] Figure 2 The three-dimensional structure of the present invention is shown in FIG. Figure 2 ;

[0025] Figure 3 It is a schematic diagram of a partially cutaway three-dimensional structure of the present invention;

[0026] Figure 4 It is a schematic diagram of the internal three-dimensional structure of the spray tank of the present invention;

[0027] Figure 5 It is a schematic diagram of a partial cross-sectional three-dimensional structure of the exhaust gas introduction component of the present invention;

[0028] Figure 6 It is a schematic diagram of the three-dimensional structure of the spray assembly and the regulating assembly of the present invention;

[0029] Figure 7 It is a schematic diagram of the cross-sectional three-dimensional structure of the spray assembly of the present invention;

[0030] Figure 8 It is a schematic diagram of a partial cross-sectional three-dimensional structure of a spray assembly of the present invention;

[0031] Fig. 9 It is a schematic diagram of the three-dimensional structure of a part of the spray assembly and the regulating assembly of the present invention.

[0032] Figure numerals: 1. spray tank; 2. support frame; 3. exhaust gas inlet assembly; 31. air inlet pipe; 32. conical block; 33. air outlet groove; 34. plunger; 35. spring; 4. circulation pipe; 5. water pump; 6. storage pipe; 7. spray assembly; 71. spray pipe; 72. connecting pipe; 73. sealing ring strip; 74. blade; 75. nozzle; 76. valve; 8. adjustment assembly; 81. vertical rod; 82. disc; 83. bent valve stem; 84. fixing ring; 85. swivel; 86. transmission rod; 9. exhaust pipe; 10. water supply pipe; 11. sewage pipe. DETAILED DESCRIPTION

[0033] To make the purpose, technical solution and advantages of the embodiments of the present invention more clear, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0034] An environmentally friendly exhaust gas dust removal and desulfurization device according to a preferred embodiment of the present invention will be described in detail below. Figure 1-9 As shown, an environmentally friendly dust removal and desulfurization device for waste gas comprises a spray tank 1 and a support frame 2, the support frame 2 is evenly fixedly installed at the bottom end of the spray tank 1, a waste gas introduction component 3 is arranged at the bottom center of the spray tank 1, the waste gas introduction component 3 is used to introduce the waste gas into the spray tank 1, a circulation pipe 4 is evenly fixedly installed on the outside of the spray tank 1, a water pump 5 is fixedly installed between the circulation pipes 4, a storage pipe 6 is fixedly installed at the top of the circulation pipe 4, and the top of the circulation pipe 4 is connected with the storage pipe 6, a spray component 7 is arranged between the inner side of the storage pipe 6 and the spray tank 1, the spray component 7 is used to spray out the waste gas treatment liquid, an adjustment component 8 is arranged between the spray component 7 and the waste gas introduction component 3, the adjustment component 8 is used to adjust the spray amount of the waste gas treatment liquid according to the waste gas introduction amount, and an exhaust pipe 9 is fixedly connected in the center of the top of the spray tank 1.

[0035] The bottom of the circulation pipe 4 is bent toward the center of the spray tank 1 and then extends upward to the interior of the spray tank 1. The opening of the circulation pipe 4 inside the spray tank 1 is located above the bottom wall of the spray tank 1, thereby preventing dust deposited at the bottom of the spray tank 1 from being sucked into the circulation pipe 4.

[0036] The exhaust gas introduction component 3 includes an air inlet pipe 31, which is fixedly installed in the center of the bottom of the spray tank 1, and a conical block 32 is fixedly installed at the top of the air inlet pipe 31. An air outlet groove 33 is opened below the outer conical block 32 at the top of the air inlet pipe 31. The diameter of the conical block 32 gradually increases from bottom to top, so that the exhaust gas flowing out of the air outlet groove 33 can diffuse outward through the conical block 32.

[0037] A plunger 34 is slidably connected to the inside of the top of the air inlet pipe 31, and the plunger 34 is attached to the inner wall of the air inlet pipe 31. A spring 35 is fixedly connected between the top of the plunger 34 and the inner wall of the top of the air inlet pipe 31. The height of the plunger 34 is greater than the upper and lower lengths of the air outlet groove 33, so that the plunger 34 can move to completely block the air outlet groove 33.

[0038] The bottom side wall of the spray tank 1 is fixedly connected to a water adding pipe 10, which is used to add waste gas treatment liquid. The height of the water adding pipe 10 is below the bottom of the air outlet groove 33, and a water level controller is installed at one end of the water adding pipe 10 located inside the spray tank 1, so that the liquid level of the waste gas treatment liquid in the bottom of the spray tank 1 will not submerge the water adding pipe 10. The bottom of the spray tank 1 is fixedly connected to a sewage pipe 11, so that the accumulated dust can be discharged.

[0039] The spray assembly 7 includes a spray pipe 71, and the spray pipe 71 is fixedly installed on the inner side of the storage pipe 6 outside the spray tank 1, and a connecting pipe 72 is evenly fixedly installed between the spray pipe 71 and the storage pipe 6. The inner side of the spray pipe 71 is connected to a sealing ring strip 73 for limited rotation, and blades 74 are evenly fixedly installed on the outside of the sealing ring strip 73 inside the spray pipe 71. The evenly distributed connecting pipes 72 are designed to be inclined in the same direction between the storage pipe 6 and the spray pipe 71, and the connecting pipe 72 is connected to the storage pipe 6 and the spray pipe 71 on both sides. Therefore, when the exhaust gas treatment liquid inside the storage pipe 6 enters the spray pipe 71 through the connecting pipe 72, it can push the blades 74 and the sealing ring strip 73 to rotate.

[0040] A nozzle 75 is evenly fixedly installed on the inner side of the sealing ring strip 73. The nozzle 75 is flat in design, and the inside of the nozzle 75 passes through the sealing ring strip 73 to be connected with the spray pipe 71, so that the waste gas treatment liquid entering the spray pipe 71 can be sprayed out through the nozzle 75. A valve 76 is fixedly installed in the middle of the nozzle 75 to control the spray amount of the waste gas treatment liquid of the nozzle 75.

[0041] The regulating assembly 8 includes a vertical rod 81, the top of the plunger 34 is fixedly installed with the vertical rod 81, the vertical rod 81 penetrates the conical block 32 and extends upward, the top of the vertical rod 81 is fixedly installed with a disc 82, the top of the valve 76 is limited and slidably connected with a bent valve stem 83, the bent valve stem 83 controls the valve 76 by lifting, and as the bent valve stem 83 moves upward, the amount of waste gas treatment liquid passing through the valve 76 can be increased, and a swivel 84 is fixedly installed at the bottom end of the inner side of the bent valve stem 83, and the swivel 84 The bottom limit rotation is connected with a fixing ring 85, and a transmission rod 86 is transmission-connected between the bottom end of the fixing ring 85 and the disc 82. One side of the bottom of the transmission rod 86 is hinged to the outer periphery of the disc 82, and the top side is tilted outward and hinged to the bottom end of the fixing ring 85. Therefore, when the disc 82 moves up and down, the fixing ring 85 can also be driven up and down by the transmission rod 86, and then the rotating ring 84 and the bent valve stem 83 can also be driven to move up and down without affecting the rotation of the rotating ring 84.

[0042] The working principle of the present invention is:

[0043] During waste gas treatment, the waste gas is introduced into the spray tank 1 through the air inlet pipe 31. During the introduction process, the plunger 34 is pushed to compress the spring 35 and move upward under the action of air pressure, so that the plunger 34 opens the air outlet groove 33 upward, so that the waste gas can enter the spray tank 1 through the air outlet groove 33. In the upward flow process, the waste gas will diffuse outward through the conical block 32, thereby avoiding the waste gas from gathering in the middle of the spray tank 1, thereby achieving uniform introduction of the waste gas into the spray tank 1.

[0044] At the same time, the waste gas treatment liquid is introduced into the bottom of the spray tank 1 through the water adding pipe 10. At the same time, the waste gas treatment liquid is transported to the storage pipe 6 through the circulation pipe 4 through the action of the water pump 5, and then enters the spray pipe 71 through the connecting pipe 72. The inclined design of the connecting pipe 72 can push the blade 74 to rotate inside the spray pipe 71 during the flow process, thereby driving the sealing ring strip 73 to rotate synchronously.

[0045] At the same time, the exhaust gas treatment liquid inside the spray pipe 71 can be sprayed inwardly through the nozzle 75, and the sealing ring strip 73 drives the nozzle 75 to rotate, so that the spray pipe 71 rotates while spraying, which is beneficial to form a sealed water wall inside the spray tank 1, so that the exhaust gas can come into contact with the water mist during the upward flow, thereby improving the dust removal and desulfurization effect.

[0046] When the plunger 34 moves upward due to the air pressure in the intake pipe 31, the more exhaust gas is introduced, the greater the air pressure is, and the more the plunger 34 will move upward. Conversely, the plunger 34 will move downward under the action of the restoring force of the spring 35. Through the action of the transmission rod 86, in the process of the plunger 34 driving the vertical rod 81 to move up and down, the swivel ring 85 and the fixed ring 84 can be driven to move up and down, and then the bent valve stem 83 can be driven to move up and down to control the valve 76, and then the amount of exhaust gas treatment liquid sprayed from the nozzle 75 can be adjusted according to the amount of exhaust gas introduced. When no exhaust gas is introduced into the intake pipe 31, the plunger 34 moves downward, which can drive the bent valve stem 83 to move downward to close the valve 76, so that the exhaust gas treatment liquid stops being sprayed out in time.

[0047] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An environmentally friendly waste gas dust removal and desulfurization device, comprising a spray tank (1) and a support frame (2), characterized in that: The support frame (2) is evenly fixedly mounted on the bottom end of the spray tank (1); a waste gas introduction component (3) is arranged at the center of the bottom of the spray tank (1); the waste gas introduction component (3) is used to introduce waste gas into the spray tank (1); a circulation pipe (4) is evenly fixedly mounted on the outside of the spray tank (1); a water pump (5) is fixedly mounted between the circulation pipes (4); a storage pipe (6) is fixedly mounted on the top end of the circulation pipe (4); and the top end of the circulation pipe (4) is connected to the storage pipe (6); a spray component (7) is arranged between the inner side of the storage pipe (6) and the spray tank (1); the spray component (7) is used to spray waste gas treatment liquid; an adjustment component (8) is arranged between the spray component (7) and the waste gas introduction component (3); the adjustment component (8) is used to adjust the spray amount of the waste gas treatment liquid according to the amount of waste gas introduced; and an exhaust pipe (9) is fixedly connected to the center of the top end of the spray tank (1).

2. The exhaust gas environmental protection dust removal and desulfurization device according to claim 1 is characterized in that: The bottom of the circulation pipe (4) is bent toward the center of the spray tank (1) and then extends upward to the inside of the spray tank (1). The opening of the circulation pipe (4) inside the spray tank (1) is located above the bottom wall inside the spray tank (1).

3. The exhaust gas environmental protection dust removal and desulfurization device according to claim 1 is characterized in that: The exhaust gas introduction component (3) comprises: An air intake pipe (31), wherein the air intake pipe (31) is fixedly installed at the center of the bottom of the spray tank (1); A conical block (32), the top end of the air inlet pipe (31) being fixedly mounted with the conical block (32); An air outlet groove (33), wherein an air outlet groove (33) is provided below the outer peripheral conical block (32) at the top of the air inlet pipe (31); A plunger (34), the top of the air inlet pipe (31) is slidably connected to the inside of the plunger (34), and the plunger (34) is attached to the inner wall of the air inlet pipe (31); A spring (35) is fixedly connected between the top end of the plunger (34) and the inner wall of the top of the air inlet pipe (31).

4. The exhaust gas environmental protection dust removal and desulfurization device according to claim 3 is characterized in that: The diameter of the conical block (32) gradually increases from bottom to top.

5. The exhaust gas environmental protection dust removal and desulfurization device according to claim 3 is characterized in that: The height of the plunger (34) is greater than the upper and lower lengths of the air outlet groove (33).

6. The exhaust gas environmental protection dust removal and desulfurization device according to claim 3 is characterized in that: The spray assembly (7) comprises: A spray pipe (71), wherein the spray pipe (71) is fixedly installed on the inner side of the storage pipe (6) outside the spray tank (1); A connecting pipe (72), wherein the connecting pipe (72) is evenly and fixedly installed between the spray pipe (71) and the storage pipe (6); A sealing ring strip (73), the inner side of the spray pipe (71) is connected to the sealing ring strip (73) in a limited rotation manner; Blades (74), the outer side of the sealing ring strip (73) is evenly and fixedly mounted with blades (74) inside the spray pipe (71); A spray head (75), the spray head (75) is evenly fixedly installed on the inner side of the sealing ring strip (73), the spray head (75) is flat in design, and the inside of the spray head (75) passes through the sealing ring strip (73) and is connected to the spray pipe (71); A valve (76) is fixedly installed in the middle of the spray head (75).

7. The exhaust gas environmental protection dust removal and desulfurization device according to claim 6 is characterized in that: The evenly distributed connecting pipes (72) are designed to be inclined in the same direction between the storage pipe (6) and the spray pipe (71), and the connecting pipe (72) is connected to the storage pipes (6) and the spray pipe (71) on both sides.

8. The exhaust gas environmental protection dust removal and desulfurization device according to claim 6 is characterized in that: The adjustment component (8) comprises: A vertical rod (81), the top end of the plunger (34) is fixedly mounted with the vertical rod (81), the vertical rod (81) penetrates the conical block (32) and extends upward; A circular disk (82), the top end of the vertical rod (81) is fixedly mounted with the circular disk (82); A bent valve stem (83), the top of the valve (76) is limitedly slidably connected with the bent valve stem (83), and the bent valve stem (83) controls the valve (76) by lifting; A swivel (84), wherein the inner bottom end of the bent valve stem (83) is fixedly mounted with a swivel (84); A fixed ring (85), the bottom of the rotating ring (84) is connected to the fixed ring (85) for limited rotation; A transmission rod (86) is provided between the bottom end of the fixing ring (85) and the disc (82) in a transmission connection.

9. The exhaust gas environmental protection dust removal and desulfurization device according to claim 8 is characterized in that: The bottom side of the transmission rod (86) is hinged to the periphery of the disc (82), and the top side is tilted outwards and hinged to the bottom end of the fixing ring (85).

10. The waste gas environmental dust removal and desulfurization device according to any one of claims 1 to 9, characterized in that: The bottom side wall of the spray tank (1) is fixedly connected to a water adding pipe (10), and the water adding pipe (10) is used to add waste gas treatment liquid. The height of the water adding pipe (10) is located below the bottom of the gas outlet groove (33), and a water level controller is installed at one end of the water adding pipe (10) located inside the spray tank (1), so that the liquid level of the waste gas treatment liquid in the bottom of the spray tank (1) will not submerge the water adding pipe (10). The bottom of the spray tank (1) is fixedly connected to a sewage pipe (11).

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