VOCs (Volatile Organic Compounds) recovery device of environment-friendly desulfurization system

Abstract

The VOCs recovery device of the environment-friendly desulfurization system comprises a submerged tank, second threaded grooves are formed in the edges of the upper ends of a submerged pump and an inlet hole, second threaded rings are installed on the inner walls of the second threaded grooves in an inserted mode, first threaded rings are fixedly connected to the outer walls of limiting sliding rings, and second threaded rings are fixedly connected to the outer walls of limiting sliding rings. The first threaded ring and the first threaded groove are installed in an inserted mode, the first threaded groove is formed in the upper end of the submerged pump and the upper end of the inlet hole, and sealing rings are fixedly connected to the edges of the lower ends of the first threaded ring and the second threaded ring. According to the VOCs recovery device of the environment-friendly desulfurization system, stable material guiding can be carried out through the feeding pipe, the discharging pipe, the desulfurization water seal liquid discharging pipe and the water seal liquid discharging pipe, double-layer sealing can be carried out through a first threaded ring, a W first threaded groove, a sealing ring, a second threaded groove and a second threaded ring, material guiding is more stable, VOCs can be conveniently and completely collected, and the recovery efficiency of the VOCs is improved. And the submerged pump, the inlet hole, the desulfurization water seal liquid discharging pipe and the water seal liquid discharging pipe can be wrapped, supported and protected by the supporting table, so that damage is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of VOCs recovery, in particular to a VOCs recovery device for an environment-friendly desulfurization system. Background Technique

[0002] VOCs are volatile organic compounds. With the development of industry and the continuous improvement of social economy, at the same time, environmental problems are becoming more and more serious. Especially in recent years, the haze phenomenon in cities has made people pay more attention to environmental protection issues. However, restricting production of enterprises for environmental protection will greatly affect the development of social economy and social progress.

[0003] The existing environmental protection treatment in the coking industry is a difficult point for each coking plant. 80% of the coking plants in the country have not been able to completely collect the VOCs in the desulfurization system, and the protection is not good. Therefore, a VOCs recovery device for an environment-friendly desulfurization system is needed to solve the above problems. Content of the Utility Model

[0004] The purpose of the utility model is to provide a VOCs recovery device for an environment-friendly desulfurization system to solve the problems mentioned in the above background technique that 80% of the coking plants in the country have not been able to completely collect the VOCs in the desulfurization system and the protection is not good.

[0005] To achieve the above object, the present utility model provides the following technical solutions: A VOCs recovery device for an environment-friendly desulfurization system, including a submersible tank. An access hole is provided at the rear side of the upper end of the submersible tank, and a desulfurization water seal downcomer is connected and installed at the central position on one side of the upper end of the submersible tank. A water seal downcomer is connected and installed at the central position on the other side of the upper end of the submersible tank, and a spare hole is provided on the other side of the upper end of the submersible tank. A static pressure type liquid level gauge is inlaid and installed at the rear edge of the upper end of the submersible tank. A support platform is installed at the upper end of the submersible tank, and an installation groove is provided at the front edge of the upper end of the support platform. Support springs are installed on both sides of the lower end of the inner wall of the installation groove, and a pressure relief block is installed at the upper ends of the support springs. A gas guide pipe is connected and installed inside the pressure relief block, and pressure relief ports are connected and installed on both sides of the upper end of the gas guide pipe. The lower end of the gas guide pipe is inserted and connected to the submersible tank, and a gas guide cover is connected and installed at the lower end of the gas guide pipe. A pressure gauge is connected and installed at the central position on the front side of the upper end of the submersible tank, and a submersible pump is inlaid and installed at the other edge on the front side of the upper end of the submersible tank. A suction conduit is connected and installed at the lower end of the submersible pump, and the suction conduit is inserted and installed on the inner wall of the submersible tank. Installation thread grooves are provided at the lower edge of the suction conduit, and installation thread blocks are inserted and installed on the inner walls of the installation thread grooves. A suction block is connected and installed at the lower ends of the installation thread blocks, and suction ports are provided on the outer wall of the suction block. A support frame is fixedly connected to the inner wall of the suction block, and a counterweight ball is fixedly connected between the support frames. Second thread grooves are provided at the upper edges of both the submersible pump and the access hole, and second thread rings are inserted and installed on the inner walls of the second thread grooves. A feed pipe and a discharge pipe are connected and installed at the upper ends of the second thread rings, and a limit sliding ring is slidably sleeved on the lower outer walls of the feed pipe and the discharge pipe. A first thread ring is fixedly connected to the outer wall of the limit sliding ring, and the first thread ring is inserted and installed in the first thread groove. The first thread groove is provided at the upper ends of the submersible pump and the access hole. Sealing rings are fixedly connected to the lower edges of both the first thread ring and the second thread ring.

[0006] Preferably, the feed pipe and the discharge pipe are hermetically installed in a double-layer spiral splicing manner with the access hole and the submersible pump through the first thread ring, the sealing ring in the first thread groove, the second thread ring, and the sealing ring in the second thread groove.

[0007] Preferably, the support platform is distributed in a wrapping position with respect to the static pressure type liquid level gauge, the submersible pump, the access hole, and the pressure relief block.

[0008] Preferably, the suction conduit is of a spring tube structure, the suction block is of a spherical structure, and the suction block is screwed and installed with the suction conduit through the installation thread block in the installation thread groove.

[0009] Preferably, the pressure relief block is elastically telescopically connected to the installation groove through the support spring, and the pressure relief ports are symmetrically connected to both sides of the gas guide pipe.

[0010] Preferably, the suction ports are distributed in a wrapped position on the outer wall of the suction block, and the counterweight balls are distributed concentrically with the suction block through the support frame.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows: The VOCs recovery device of the environmental protection type desulfurization system can stably guide materials through the feed pipe, the discharge pipe, the desulfurization water seal lower liquid pipe, and the water seal lower liquid pipe, and can be double-sealed through the first thread ring, the first thread groove, the sealing ring, the second thread groove, and the second thread ring, with more stable material guiding, facilitating the complete collection of VOCs. Moreover, the support platform can wrap and support and protect the submersible pump, the manhole, the desulfurization water seal lower liquid pipe, and the water seal lower liquid pipe to avoid damage. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is the front view of the VOCs recovery device of an environmental protection type desulfurization system of the present utility model;

[0013] Figure 2 is the schematic internal structure diagram of the VOCs recovery device of an environmental protection type desulfurization system of the present utility model;

[0014] Figure 3 is the top view of the VOCs recovery device of an environmental protection type desulfurization system of the present utility model;

[0015] Figure 4 is the VOCs recovery device of an environmental protection type desulfurization system of the present utility model Figure 2 magnified view at A in;

[0016] Figure 5 is the VOCs recovery device of an environmental protection type desulfurization system of the present utility model Figure 2 magnified view at B in;

[0017] Figure 6 is the VOCs recovery device of an environmental protection type desulfurization system of the present utility model Figure 2 magnified view at C in.

[0018] In the figure: 1, submersible tank; 2, feed pipe; 3, discharge pipe; 4, support platform; 5, static pressure type liquid level gauge; 6, submersible pump; 7, suction conduit; 8, air guide hood; 9, air guide pipe; 10, manhole; 11, desulfurization water seal lower liquid pipe; 12, water seal lower liquid pipe; 13, spare hole; 14, pressure relief port; 15, pressure relief block; 16, support spring; 17, installation groove; 18, limit sliding ring; 19, first thread ring; 20, first thread groove; 21, sealing ring; 22, second thread groove; 23, second thread ring; 24, installation thread groove; 25, installation thread block; 26, suction port; 27, suction block; 28, support frame; 29, counterweight ball; 30, pressure gauge. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0020] Please refer to Figures 1-6 , the present invention provides a technical solution: a VOCs recovery device for an environmental protection type desulfurization system, including a submersible tank 1, a feed pipe 2, a discharge pipe 3, a support platform 4, a static pressure level gauge 5, a submersible pump 6, a suction conduit 7, a gas guide hood 8, a gas guide pipe 9, a manhole 10, a desulfurization water seal downcomer 11, a water seal downcomer 12, a spare hole 13, a pressure relief port 14, a pressure relief block 15, a support spring 16, a mounting groove 17, a limiting slip ring 18, a first thread ring 19, a first thread groove 20, a sealing ring 21, a second thread groove 22, a second thread ring 23, a mounting thread groove 24, a mounting thread block 25, a suction port 26, a suction block 27, a support frame 28, a counterweight ball 29 and a pressure gauge 30. A manhole 10 is opened at the rear side of the upper end of the submersible tank 1, and a desulfurization water seal downcomer 11 is connected and installed at the central position on one side of the upper end of the submersible tank 1. A water seal downcomer 12 is connected and installed at the central position on the other side of the upper end of the submersible tank 1, and a spare hole 13 is opened on the other side of the upper end of the submersible tank 1. A static pressure level gauge 5 is inlaid and installed at the rear side edge of the upper end of the submersible tank 1. A support platform 4 is installed at the upper end of the submersible tank 1, and a mounting groove 17 is opened at the front side edge of the upper end of the support platform 4. The support platform 4 is distributed in a wrapping position with the static pressure level gauge 5, the submersible pump 6, the manhole 10 and the pressure relief block 15. In this way, the support platform 4 can support and wrap the static pressure level gauge 5, the submersible pump 6, the manhole 10 and the pressure relief block 15, and the protection effect is good.

[0021] On both sides of the lower end of the inner wall of the installation groove 17, support springs 16 are installed, and a pressure relief block 15 is installed at the upper end of the support spring 16. The pressure relief block 15 is elastically telescopically connected to the installation groove 17 through the support spring 16. The pressure relief port 14 is symmetrically connected to both sides of the air guide pipe 9, so that the pressure relief block 15 can be effectively relieved of pressure and is convenient for automatic telescopic adjustment. The inner wall of the pressure relief block 15 is connected and installed with an air guide pipe 9, and pressure relief ports 14 are connected and installed on both sides of the upper end of the air guide pipe 9. The lower end of the air guide pipe 9 is inserted and connected to the submersible tank 1, and a gas guide cover 8 is connected and installed at the lower end of the air guide pipe 9. A pressure gauge 30 is connected and installed at the center position of the front side of the upper end of the submersible tank 1, and a submersible pump 6 is embedded and installed at another edge of the front side of the upper end of the submersible tank 1. The lower end of the submersible pump 6 is connected and installed with a suction conduit 7, and the suction conduit 7 is inserted and installed on the inner wall of the submersible tank 1. The suction conduit 7 is a spring tube structure, the suction block 27 is a spherical structure, and the suction block 27 is spirally spliced and installed with the suction conduit 7 through the installation thread block 25 in the installation thread groove 24, so that the suction block 27 is convenient for quick spiral disassembly and replacement for use.

[0022] The lower end edge of the suction conduit 7 is provided with an installation thread groove 24, and an installation thread block 25 is inserted and installed on the inner wall of the installation thread groove 24. The lower end of the installation thread block 25 is connected and installed with a suction block 27, and a suction port 26 is provided on the outer wall of the suction block 27. The suction ports 26 are distributed in a wrapped position on the outer wall of the suction block 27. The counterweight ball 29 is concentrically distributed with the suction block 27 through the support frame 28, so that the suction ports 26 can perform suction in a larger range and avoid blockage.

[0023] The inner wall of the suction block 27 is fixedly connected with a support frame 28, and a counterweight ball 29 is fixedly connected between the support frames 28. Second thread grooves 22 are provided at the upper end edges of both the submersible pump 6 and the access hole 10, and a second thread ring 23 is inserted and installed on the inner wall of the second thread groove 22. The upper end of the second thread ring 23 is connected and installed with a feed pipe 2 and a discharge pipe 3. The outer walls of the feed pipe 2 and the discharge pipe 3 are slidably sleeved with a limit sliding ring 18 at the lower end. The feed pipe 2 and the discharge pipe 3 are double-layer spirally spliced and sealed with the access hole 10 and the submersible pump 6 through the first thread ring 19, the sealing ring 21 in the first thread groove 20 and the second thread ring 23, the sealing ring 21 in the second thread groove 22, so that the feed pipe 2 and the discharge pipe 3 are convenient for double-layer spiral installation, with better sealing effect and more stable material guiding. The outer wall of the limit sliding ring 18 is fixedly connected with a first thread ring 19, and the first thread ring 19 is inserted and installed in the first thread groove 20. The first thread groove 20 is provided at the upper end of the submersible pump 6 and the access hole 10. The lower end edges of both the first thread ring 19 and the second thread ring 23 are fixedly connected with a sealing ring 21.

[0024] Working principle: When using the VOCs recovery device of the environment-friendly desulfurization system, first connect and install the device with other equipment, and then introduce VOCs into the submersible tank 1 through the feed pipe 2, the lower liquid pipe 11 of the desulfurization water seal and the lower liquid pipe 12 of the water seal. The liquid level and air pressure can be detected in real time through the hydrostatic liquid level gauge 5 and the pressure gauge 30. When the air pressure is too high, the support spring 16 can be elastically driven by the pressure relief port 14 and the pressure relief block 15 to relieve pressure through the pressure relief port 14 and the air guide pipe 9. When it is necessary to export and process VOCs, suction and diversion can be carried out through the discharge pipe 3, the submersible pump 6, the suction catheter 7 and the suction block 27. And the counterweight ball 29 makes the suction block 27 always stay at the lower end of the inner wall of the submersible tank 1, making the suction more stable. This is the usage process of the VOCs recovery device of the environment-friendly desulfurization system.

[0025] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A VOCs recovery device for an environmentally friendly desulfurization system, comprising a submersible tank (1). An access hole (10) is provided at the rear side of the upper end of the submersible tank (1), and a desulfurization water seal downcomer (11) is connected and installed at the central position on one side of the upper end of the submersible tank (1). A water seal downcomer (12) is connected and installed at the central position on the other side of the upper end of the submersible tank (1), and a spare hole (13) is provided on the other side of the upper end of the submersible tank (1). It is characterized in that: A static pressure liquid level gauge (5) is inlaid and installed at the rear side edge of the upper end of the submerged tank (1). A support platform (4) is installed at the upper end of the submerged tank (1), and an installation groove (17) is formed at the front side edge of the upper end of the support platform (4). Both sides of the lower end of the inner wall of the installation groove (17) are installed with support springs (16), and a pressure relief block (15) is installed at the upper ends of the support springs (16). A gas guide pipe (9) is connected and installed in the inner wall of the pressure relief block (15), and pressure relief ports (14) are connected and installed on both sides of the upper end of the gas guide pipe (9). The lower end of the gas guide pipe (9) is inserted and connected with the submerged tank (1), and a gas guide cover (8) is connected and installed at the lower end of the gas guide pipe (9). A pressure gauge (30) is connected and installed at the center position of the front side of the upper end of the submerged tank (1), and a submerged pump (6) is inlaid and installed at the other edge of the front side of the upper end of the submerged tank (1). A suction conduit (7) is connected and installed at the lower end of the submerged pump (6), and the suction conduit (7) is inserted and installed on the inner wall of the submerged tank (1). An installation thread groove (24) is formed at the lower edge of the suction conduit (7), and an installation thread block (25) is inserted and installed on the inner wall of the installation thread groove (24). A suction block (27) is connected and installed at the lower end of the installation thread block (25), and a suction port (26) is formed on the outer wall of the suction block (27). A support frame (28) is fixedly connected to the inner wall of the suction block (27), and a counterweight ball (29) is fixedly connected between the support frames (28). Second thread grooves (22) are formed at the upper edges of both the submerged pump (6) and the manhole (10), and second thread rings (23) are inserted and installed on the inner walls of the second thread grooves (22). A feed pipe (2) and a discharge pipe (3) are connected and installed at the upper ends of the second thread rings (23), and a limit sliding ring (18) is slidably sleeved on the outer walls of the lower ends of the feed pipe (2) and the discharge pipe (3). A first thread ring (19) is fixedly connected to the outer wall of the limit sliding ring (18), and the first thread ring (19) is inserted and installed in a first thread groove (20). The first thread groove (20) is formed at the upper ends of the submerged pump (6) and the manhole (10). Sealing rings (21) are fixedly connected to the lower edges of both the first thread ring (19) and the second thread ring (23).

2. The VOCs recovery device of an environmentally friendly desulfurization system according to claim 1, wherein: The feed pipe (2) and the discharge pipe (3) are installed in a double-layer spiral splicing and sealing manner with the manhole (10) and the submerged pump (6) through the first thread ring (19), the sealing ring (21) in the first thread groove (20), the second thread ring (23), and the sealing ring (21) in the second thread groove (22).

3. The VOCs recovery device of an environment-friendly desulfurization system according to claim 2, characterized in that: The support platform (4) is distributed in a wrapped position with the static pressure liquid level gauge (5), the submerged pump (6), the manhole (10), and the pressure relief block (15).

4. The VOCs recovery device of an environment-friendly desulfurization system according to claim 3, characterized in that: The suction conduit (7) is of a spring tube structure, the suction block (27) is of a spherical structure, and the suction block (27) is installed in a spiral splicing manner with the suction conduit (7) through the installation thread block (25) in the installation thread groove (24).

5. The VOCs recovery device of an environment-friendly desulfurization system according to claim 4, characterized in that: The pressure relief block (15) is elastically telescopically connected to the installation groove (17) through the support spring (16), and the pressure relief ports (14) are symmetrically connected and communicated with both sides of the gas guide pipe (9).

6. The VOCs recovery device of an environment-friendly desulfurization system according to claim 5, characterized in that: The suction ports (26) are distributed in a wrapping position on the outer wall of the suction block (27), and the counterweight balls (29) are distributed in a concentric position with the suction block (27) through the support frame (28).

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