CN213652406U

CN213652406U - Cyclone biogas desulfurization treatment device

Info

Publication number: CN213652406U
Application number: CN202021261372.7U
Authority: CN
Inventors: 赵逸勋; 陈祖岳; 吴俊杰; 董也; 吴建芬
Original assignee: Hangzhou Tianziling Power Generation Co ltd
Current assignee: Hangzhou Tianziling Power Generation Co ltd
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2021-07-09
Anticipated expiration: 2030-07-02

Abstract

The utility model discloses a whirlwind formula marsh gas desulfurization processing apparatus, spray column inside is provided with the liquid medicine groove, whirlwind formula spray area, filter spray area and aqueous vapor separating mechanism, the air inlet on the spray column lateral wall is located liquid medicine groove and whirlwind formula spray area between, the discharge port is seted up at the spray column top, it sprays the mechanism to have seted up a plurality of spiral slots and inside radiation type that is equipped with on the spray column wall in whirlwind formula spray area, it sprays the mechanism to filter the spray area and is provided with the filtration, it sprays nest of tubes and filters filler block to filter that the mechanism includes that the interval sets up from top to bottom, liquid medicine groove and radiation type spray the mechanism and filter and spray and pass through the feed liquid pipeline. The device makes marsh gas adopt whirlwind formula to admit air and carry out abundant contact with the desulfurization liquid in the spray area, realizes high-efficient desulfurization, reduces the sulphur dirt and produces, improves marsh gas power generation system's security and stability.

Description

Cyclone biogas desulfurization treatment device

Technical Field

The utility model relates to the technical field of biogas power generation, in particular to a cyclone biogas desulfurization treatment device.

Background

Methane obtained by separating and purifying methane. Meeting the energy demand of human is a main means for human to develop and utilize the biogas. In the development process of methane in China, the development trend of heavy popularization and light scientific research exists on the whole, so that the development of methane technology and process equipment technology is slow, the development potential of methane is difficult to give full play, the comprehensive utilization of methane is still greatly limited, the development rate of the economic potential is less than 1%, the development rate of the ecological potential is only about 4%, and the development prospect is very wide. The recycling of the landfill biogas is an economical and feasible technology which is beneficial to the environment, and the power generation efficiency is improved by increasing the biogas collection rate, increasing the power generation unit and improving the power generation amount, so that the power generation benefit is effectively improved. The main component of the marsh gas is methane, and the marsh gas consists of 50-80% of methane, 20-40% of carbon dioxide, 0-5% of nitrogen, less than 1% of hydrogen, less than 0.4% of oxygen, 0.1-3% of hydrogen sulfide and the like. When the biogas is used for power generation, the biogas is subjected to desulfurization treatment, so that the waste gas generated by biogas power generation basically has no sulfur component, and therefore, the biogas power generation is generally considered to be clean energy and cannot pollute the atmosphere. The common desulfurizing tower dissolves and removes hydrogen sulfide contained in flowing biogas by spraying a desulfurizing liquid, but in the desulfurizing process, if the flowing time of the biogas can be prolonged and the biogas is fully contacted with the sprayed desulfurizing liquid, the desulfurizing efficiency can be greatly improved, so that the generation of sulfur scale is reduced, and a good guarantee is provided for the stability of biogas power generation.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art's not enough, the technical problem that solve provides a whirlwind formula marsh gas desulfurization processing apparatus, and marsh gas adopts whirlwind formula to admit air and carry out abundant contact in spray area and doctor solution, realizes high-efficient desulfurization, reduces the sulphur dirt and produces, improves marsh gas power generation system's security and stability.

The utility model discloses a make above-mentioned technical problem solve through following technical scheme.

The cyclone biogas desulfurization treatment device comprises a spray tower, wherein a liquid medicine groove, a cyclone spray zone, a filtering spray zone and a water-gas separation mechanism are sequentially arranged in the spray tower from bottom to top, an air inlet on the side wall of the spray tower is positioned between the liquid medicine groove and the cyclone spray zone, the top of the spray tower is provided with a discharge port, the wall of the spray tower in the cyclone spray zone is provided with a plurality of spiral grooves, the cyclone spray zone is provided with a radiation type spray mechanism, the filtering spray zone is provided with a filtering spray mechanism, the filtering spray mechanism comprises a spray pipe group and a filtering filler component which are arranged at intervals from top to bottom, the spray pipe group comprises a spray straight pipe which is horizontally arranged and a plurality of spray heads which are arranged on the spray straight pipe, and the filtering filler component comprises a mesh plate and a porous ceramic oxidation catalysis filler which is arranged on the mesh plate, the liquid medicine groove is communicated with the radiation type spraying mechanism and the filtering spraying mechanism through a liquid supply pipeline.

Preferably, the radiation type spraying mechanism comprises an L-shaped spraying main pipe and a plurality of spraying branch pipe groups, the spraying branch pipe groups are vertically arranged on the pipe wall of a vertical pipe section of the L-shaped spraying main pipe at intervals in a staggered mode in the circumferential direction, each spraying branch pipe group is composed of two spraying branch pipes which are horizontally and symmetrically arranged, the communication ends of the spraying branch pipes are communicated with the vertical pipe section, and the closed ends of the spraying branch pipes are provided with spraying heads.

Preferably, the vertical pipe section comprises a large-diameter straight pipe section, a frustum-shaped pipe section and a small-diameter straight pipe section which are sequentially butted from bottom to top.

Preferably, the water-gas separation mechanism comprises a mounting frame and a water collector arranged on the mounting frame.

Preferably, the liquid medicine tank is provided with a pH meter.

Preferably, the liquid supply pipeline is provided with a sodium hypochlorite concentration meter and a liquid supply pump.

Preferably, the distance between the spraying pipe group and the water-gas separation mechanism is 1.5-3 m.

Preferably, the distance between the radiation type spraying mechanism and the filtering spraying mechanism is 1m to 3.5 m.

Preferably, the spiral angle of the spiral groove is 5 to 30 degrees.

The utility model has the advantages that:

1. the spiral groove is formed in the wall of the spraying tower in the cyclone spraying area, biogas is guided to rise in a cyclone mode, the original straight-line rising mode is replaced, the rising speed of the biogas is delayed, the contact time of the desulfurization liquid sprayed by the radial spraying mechanism is prolonged, moreover, the spiral groove increases the contact area of the desulfurization liquid and the biogas, full contact is realized, the efficient desulfurization effect is achieved, absorption desulfurization treatment is performed through the filtering spraying mechanism, the spraying efficiency of the desulfurization liquid is greatly improved, energy is saved, consumption is reduced, the operation cost is reduced, sulfur scale is effectively reduced, safe and reliable operation of maintenance equipment is realized, and the safety and stability of a biogas power generation system are improved.

2. The radiation type spraying mechanism is provided with spray headers on the spray branch pipes which are spatially and stereoscopically distributed, so that mutually overlapped spray areas can be formed, the time of methane passing through the spray areas is effectively delayed, the methane is fully contacted with desulfurization liquid sprayed by the spray areas, and the efficient desulfurization effect is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic top view of the spray manifold block arrangement of fig. 1.

Reference numerals: 1-spray tower, 2-liquid medicine groove, 3-cyclone spray area, 4-filtering spray area, 5-water-gas separation mechanism, 6-spiral groove, 7-air inlet, 8-discharge outlet, 9-spray pipe group, 10-filtering filler component, 11-spray branch pipe, 12-vertical pipe section, 13-spray head, 14-spray straight pipe and 15-liquid supply pipeline.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 and 2, the utility model discloses whirlwind formula marsh gas desulfurization processing apparatus of embodiment, including spray column 1, spray column 1 is inside by lower supreme liquid medicine groove 2, whirlwind formula spraying area 3, filtration spraying area 4 and the aqueous vapor separating mechanism 5 of having set gradually, air inlet 7 on the spray column 1 lateral wall is located liquid medicine groove 2 with between the whirlwind formula spraying area 3, discharge port 8 has been seted up at spray column 1's top. The liquid medicine tank 2 is provided with a PH meter. The water-gas separation mechanism 5 comprises an installation frame and a water collector arranged on the installation frame.

The wall of the spray tower of the cyclone type spray area 3 is provided with a plurality of spiral grooves 6, and further, the spiral angle of the spiral grooves 6 is 5-30 degrees. The cyclone type spraying area 3 is provided with a radiation type spraying mechanism, specifically speaking, the radiation type spraying mechanism comprises an L-shaped spraying main pipe and a plurality of spraying branch pipe groups, wherein the L-shaped spraying main pipe is vertically arranged on the wall of a vertical pipe section 12 of the L-shaped spraying main pipe at intervals and is circumferentially staggered, the spraying branch pipe groups are formed by two spraying branch pipes 11 which are horizontally and symmetrically arranged, the communication ends of the spraying branch pipes 11 are communicated with the vertical pipe section 12, and the closed ends of the spraying branch pipes 11 are provided with spraying heads 13. In one embodiment, the vertical tube section 12 includes a large diameter straight tube section, a frustum-shaped tube section, and a small diameter straight tube section which are sequentially connected from bottom to top. Preferably, the distance between the radiation type spraying mechanism and the filtering spraying mechanism is 1m to 3.5 m.

The filtering and spraying area 4 is provided with a filtering and spraying mechanism, the filtering and spraying mechanism comprises a spraying pipe group 9 and a filtering and packing component 10 which are arranged at an upper interval and a lower interval, the spraying pipe group 9 comprises a spraying straight pipe 14 which is horizontally arranged and a plurality of spraying heads 13 which are arranged on the spraying straight pipe 14, and the filtering and packing component 10 comprises a mesh plate and porous ceramic oxidation catalysis packing which is arranged on the mesh plate. Preferably, the distance between the shower group 9 and the water-gas separation mechanism 5 is 1.5m to 3 m.

The liquid medicine groove 2 is communicated with the radiation type spraying mechanism and the filtering spraying mechanism through a liquid supply pipeline 15. For example, the liquid medicine tank 2 may be filled with a mixed liquid containing sodium hypochlorite, which is sprayed by the radiation type spraying mechanism and the filtering spraying mechanism, and the liquid supply pipe 15 is provided with a liquid supply pump and a sodium hypochlorite concentration meter.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. Whirlwind formula marsh gas desulfurization processing apparatus, characterized by: comprises a spray tower (1), a liquid medicine groove (2), a cyclone type spray area (3), a filtering spray area (4) and a water-gas separation mechanism (5) are sequentially arranged in the spray tower (1) from bottom to top, an air inlet (7) on the side wall of the spray tower (1) is positioned between the liquid medicine groove (2) and the cyclone type spray area (3), a discharge outlet (8) is arranged at the top of the spray tower (1), a plurality of spiral grooves (6) are arranged on the spray tower wall of the cyclone type spray area (3), the cyclone type spray area (3) is provided with a radiation type spray mechanism, the filtering spray area (4) is provided with a filtering spray mechanism, the filtering spray mechanism comprises a spray pipe group (9) and a filtering filler component (10) which are arranged at an upper and lower interval, the spray pipe group (9) is composed of a spray straight pipe (14) which is horizontally arranged and a plurality of spray heads (13) which are arranged on the spray straight pipe (14), the filtering filler component (10) is composed of a mesh plate and a porous ceramic oxidation catalytic filler arranged on the mesh plate, and the liquid medicine tank (2) is communicated with the radiation type spraying mechanism and the filtering spraying mechanism through a liquid supply pipeline (15).

2. A cyclone biogas desulfurization treatment apparatus according to claim 1, characterized in that: the radiation type spraying mechanism comprises an L-shaped spraying main pipe and a plurality of spraying branch pipe groups, wherein the L-shaped spraying main pipe is vertically arranged on the pipe wall of a vertical pipe section (12) of the L-shaped spraying main pipe in a spaced and circumferentially staggered mode, each spraying branch pipe group is composed of two spraying branch pipes (11) which are horizontally and symmetrically arranged, the communication ends of the spraying branch pipes (11) are communicated with the vertical pipe section (12), and the closed ends of the spraying branch pipes (11) are provided with spraying heads (13).

3. A cyclone biogas desulfurization treatment apparatus according to claim 2, characterized in that: the vertical straight pipe section (12) comprises a large-diameter straight pipe section, a frustum-shaped pipe section and a small-diameter straight pipe section which are sequentially butted from bottom to top.

4. A cyclone biogas desulfurization treatment apparatus according to claim 1, characterized in that: the water-gas separation mechanism (5) comprises an installation frame and a water collector arranged on the installation frame.

5. A cyclone biogas desulfurization treatment apparatus according to claim 1, characterized in that: the liquid medicine tank (2) is provided with a PH meter.

6. A cyclone biogas desulfurization treatment apparatus according to claim 1, characterized in that: and a sodium hypochlorite concentration meter and a liquid supply pump are arranged on the liquid supply pipeline (15).

7. A cyclone biogas desulfurization treatment apparatus according to claim 1, characterized in that: the spacing distance between the spraying pipe group (9) and the water-gas separation mechanism (5) is 1.5-3 m.

8. A cyclone biogas desulfurization treatment apparatus according to claim 1, characterized in that: the interval distance between the radiation type spraying mechanism and the filtering spraying mechanism is 1m to 3.5 m.

9. A cyclone biogas desulfurization treatment apparatus according to claim 1, characterized in that: the spiral angle of the spiral groove (6) is 5-30 degrees.