CN205850574U

CN205850574U - A kind of wet desulphurization carries the turbulent pipe grid device of effect

Info

Publication number: CN205850574U
Application number: CN201620788243.0U
Authority: CN
Inventors: 杜明生; 谷小兵; 张若雨; 赵怡凡; 张宇超; 赵宇明
Original assignee: Datang Environment Industry Group Co Ltd
Current assignee: Datang Environment Industry Group Co Ltd
Priority date: 2016-07-25
Filing date: 2016-07-25
Publication date: 2017-01-04
Anticipated expiration: 2026-07-25

Abstract

This utility model provides a kind of wet desulphurization to carry the turbulent pipe grid device of effect, for desulfuration absorbing tower, pipe row including a support with at least two-layer layout parallel to each other being installed on this support, each pipe row include that pipe that is multiple isometric and that be arranged in parallel, the pipe in pipe row are adjacent the pipe of Guan Liezhong and cross one another；Described support includes two c-type end plates；Described end plate height is 150～600mm, and thickness of slab is 1～10mm；Also include and one or two porous plates of end plate connection one or two described, the uniform multiple circular holes of this orifice plate；Described Circularhole diameter is Φ 25～Φ 80mm；Described porous plate is provided with one or more reinforcing plate；A diameter of Φ 45～Φ 100mm of described pipe, wall thickness is 1～10mm；Described in adjacent two-layer pipe row between 0.5～2.0 times that interlamellar spacing is described pipe diameter；The pipe area accounting of every layer of described pipe row is 0.4～0.7；The two ends of described pipe are rotatable and can be installed on beating on described support.

Description

A kind of wet desulphurization carries the turbulent pipe grid device of effect

Technical field

This utility model relates to wet process of FGD field, is specifically related to a kind of wet desulphurization and carries the turbulent pipe grid dress of effect Put.

Background technology

On JIUYUE 12nd, 2014, National Development and Reform Commission, Environmental Protection Department, National Energy Board combine and issue that " coal electricity saves Upgrading and transformation action plan (2014-2020) can be reduced discharging " (send out and change the energy (2014) 2093), this action requirements of plan east The newly-built Thermal generation unit SO in area, portion₂Concentration of emission basically reaches gas turbine group emission limit (35 milligram/cubic metre), in Area, portion, in principle close to or up gas turbine group emission limit, encourages west area new-built unit to take turns close to or up combustion gas Unit emission limit.And in the case of the most coal-fired sulfur content is higher, the desulfurization of conventional common void tower single cycle desulfurizing tower Efficiency is extremely difficult to the new standard-required in national environmental protection portion.

The scheme that presently, there are is to arrange perforated trays at apparent position, and the circular hole manufacturing process of perforated trays device is more multiple Miscellaneous, its device raw material selection is expensive high-strength alloy material, due to the feature of its porous, causes pallet the most stifled Plug.Pallet can strengthen gas-liquid mass transfer efficiency in normal operating conditions, improves desulfuration efficiency, but once blocks, whole Flow field in individual absorption tower can become more uneven, increases the liquid flux of not blocking portion simultaneously, and then causes more serious Blocking, need maintenance down the most in some cases.

Utility model content

For overcoming above-mentioned deficiency, this utility model provides a kind of wet desulphurization to carry the turbulent pipe grid device of effect, takes module Change design, make each building block in device have unified standard specifications, can be applicable to the desulfuration absorbing tower of different size, fall Low cost of manufacture, reduces installation, maintenance workload, it is to avoid blocking, and the outer wall being prevented from pipe produces scale formation.

For solving above-mentioned technical problem, this utility model adopts the following technical scheme that

A kind of wet desulphurization carries the turbulent pipe grid device of effect, for desulfuration absorbing tower, including a support be installed on this The pipe row of at least two-layer layout parallel to each other on frame, each pipe row include pipe that is multiple isometric and that be arranged in parallel, pipe row In pipe be adjacent the pipe of Guan Liezhong and cross one another.

Further, described support includes two c-type end plates.

Further, described end plate height is 150～600mm, and thickness of slab is 1～10mm.

Further, also including and one or two porous plates of end plate connection one or two described, this orifice plate is uniform multiple Circular hole.

Further, described Circularhole diameter is Φ 25～Φ 80mm.

Further, described porous plate is provided with one or more reinforcing plate.

Further, the height of described reinforcing plate is 30～60mm, and thickness of slab is 1～10mm.

Further, a diameter of Φ 45～Φ 100mm of described pipe, wall thickness is 1～10mm.

Further, described in adjacent two-layer pipe row between 0.5～2.0 times that interlamellar spacing is described pipe diameter.

Further, the pipe area accounting of every layer of described pipe row is 0.4～0.7.

Further, the two ends of described pipe are rotatable and can be installed on beating on described support.

The beneficial effects of the utility model are, this turbulent pipe grid device is by a series of calibers, the parallel cloth of pipe that length is identical It is set to turbosphere, by pipe row arranged crosswise more than two-layer, calculates according to simulated flow pattern and be combined into suitable spread pattern, pipe Two ends are rotatable with support frame and can be connected with beating, it is possible to prevent tube wall from scale formation occur, not only avoid blocking and ask Topic, more substantially increases to the mass transfer velocity of slurry drops in flue gas, and uses circular pipe to also reduce tower inner transmission matter resistance, de- Except SO₂Efficiency is more preferable, it is adaptable to entrance former flue gas SO₂The desulfuration absorbing tower that concentration is higher, stable, reduce maintenance cost.This Utility model takes modularized design, and whole turbosphere is decomposed into multiple standard module, and the specification of each building block is the most identical, Simplify manufacturing process, it is possible to reduce manufacturing cost, reduce and the workload safeguarded, beneficially popularization and application are installed.

Accompanying drawing explanation

Fig. 1 is the structural representation in turbulent pipe grid device one direction in embodiment one.

Fig. 2 is the structural representation of turbulent pipe grid device other direction in embodiment one.

Fig. 3 is the structural representation in turbulent pipe grid device one direction in embodiment two.

Fig. 4 is the structural representation of turbulent pipe grid device other direction in embodiment two.

Description of reference numerals: 1-pipe；2-end plate；3-end cap；4-porous plate；5-reinforcing plate.

Detailed description of the invention

For making features described above of the present utility model and advantage to become apparent, special embodiment below, and coordinate appended Figure is described in detail below.

Embodiment one

The present embodiment provides a kind of wet desulphurization to carry the turbulent pipe grid device of effect, and for desulfuration absorbing tower, it is based on standard Modularized design, as shown in Figure 1 and Figure 2, arranges, in the present embodiment including a support and at least two-layer pipe being installed on this support Arrange in the case of two-layer pipe.This support includes two c-type end plates 2, and height is 150～600mm, and thickness of slab is 1～10mm, the present embodiment In take height 300mm, thickness of slab 5mm, containing two-layer pore on end plate 2, arrange for fixed constraint pipe.Each layer of pipe row include multiple Isometric pipe 1, the present embodiment as a example by 5 pipes 1, a diameter of Φ 45～Φ 100mm of pipe 1, wall thickness is 1～10mm, The present embodiment takes diameter of phi 50mm, and wall thickness 5mm, depending on length is according to specific requirement.

As shown in Figure 1, each layer of pipe row 5 pipes 1 between be parallel to each other and have certain inclination, itself and adjacent tubes Pipe 1 in row crosses one another, i.e. pipe 1 angle of inclination of two-layer Guan Liezhong is complementary, and pipe 1 is arranged about perpendicular bisector symmetrical, The two ends of pipe 1 are on two pores of dislocation as known in the figure, and the staggered degree that two-layer pipe so can be made to arrange is bigger, increases Add turbulence effects, it should be pointed out that the pore number of dislocation is decided according to the actual requirements, the present embodiment one pore of dislocation.

Only from the plane graph of Fig. 1 it can easily be seen that the pipe area accounting of each layer of pipe row is a definite value, pipe area accounts for The ratio of the overall area of pipe row, the area that area is pipe 1 that pipe row are overall is accounted for than the area of the pipe 1 referring to this layer of pipe row And the area sum in space between pipe 1, this value is 0.4～0.7, its be directly connected to turbulent flow by resistance and turbulent flow journey Degree, value is decided according to the actual requirements.

It is fixedly connected with end cap 3 at the two ends of pipe 1 by welding or alternate manner, for being flexibly connected with end plate 2, needs It is noted that the diameter of end cap 3 is less than the diameter of pore on end plate 2, and the diameter of pore is less than the diameter of pipe 1, so Both can ensure that pipe 1 was not passed through pore to be stably positioned between two end plates 2, moreover it is possible to pipe 1 can be rotated and one Determine beating of degree, prevent tube wall in work process from scale formation occurring.

As shown in Figure 2, being arranged parallel between two-layer pipe row, the benefit that is arranged so as to is neat, it is simple to manufacture and Installing, two to carry out being affected by turbulent flow everywhere of pipe 1 more dispersed, contributes to the protection to pipe 1.Two-layer pipe arranges it Between 0.5～2.0 times that interlamellar spacing is pipe 1 diameter, be decided according to the actual requirements, the present embodiment take 2.0 times.

Embodiment two

Another embodiment provided herein, this embodiment provides a kind of wet desulphurization with porous plate to carry the turbulent pipe grid of effect Device, it is based on nonstandard modulesization design, and pipe row are identical with embodiment one with the structure of end plate, repeat no more, the present embodiment Illustrate only for porous plate.Porous plate can be one, is fixedly connected on an end plate, it is also possible to is two, respectively Being fixedly connected on two end plates, the present embodiment is as a example by the porous plate being fixed on an end plate, such as Fig. 3, Fig. 4 institute Show.

Porous plate 4 can be fixedly connected by welding on end plate 2, it is also possible to is that porous plate 4 is one-body molded with end plate 2, When reality is applied, the inwall laminating of a side profile of this porous plate 4 and desulfuration absorbing tower.Multiple circle it is evenly equipped with on porous plate 4 Hole, a diameter of Φ 25～Φ 80mm, the present embodiment takes Φ 30mm.This porous plate 4 is provided with one or more reinforcing plate 5, this Embodiment is provided with two reinforcing plates 5, and its height is 30～60mm, and thickness of slab is 1～10mm, and the present embodiment takes height 30mm, thickness 5mm。

The former flue gas of coal-burning power plant enters through desulfuration spray tower entrance, forms a vortex.Entrance at spray column On the upside of flue and between ground floor spraying layer, installing the turbulent pipe grid device that a set of this utility model provides additional, installation site is for inhaling Receiving above the smoke inlet of tower at 1～4 meter, lime stone slurry is sprayed onto on this device by the nozzle above this device, former flue gas warp After crossing this device rectification, then with lime stone slurry contact mass transfer, absorb SO₂。

It is pointed out that above two examples are only preferred embodiment of the present utility model, the structure and parameter related to is only For illustrative not limiting this utility model, those skilled in the art, can without departing from spirit and scope of the present utility model Each details is carried out various amendment and change, and protection domain is as the criterion with claims.

Claims

1. wet desulphurization carries a turbulent pipe grid device for effect, for desulfuration absorbing tower, it is characterised in that include a support and peace The pipe row of at least two-layer layout parallel to each other being loaded on this support, each pipe row include circle that is multiple isometric and that be arranged in parallel Pipe, the pipe in pipe row is adjacent the pipe of Guan Liezhong and crosses one another.

Wet desulphurization the most according to claim 1 carries the turbulent pipe grid device of effect, it is characterised in that described support includes two Individual C type end plate.

Wet desulphurization the most according to claim 2 carries the turbulent pipe grid device of effect, it is characterised in that described end plate height is 150～600mm, thickness of slab is 1～10mm.

Wet desulphurization the most according to claim 3 carries the turbulent pipe grid device of effect, it is characterised in that also include and one or two One or two porous plates of individual described end plate connection, the uniform multiple circular holes of this orifice plate.

Wet desulphurization the most according to claim 4 carries the turbulent pipe grid device of effect, it is characterised in that described Circularhole diameter is Φ 25～Φ 80mm.

Wet desulphurization the most according to claim 4 carries the turbulent pipe grid device of effect, it is characterised in that set on described porous plate There is one or more reinforcing plate.

Wet desulphurization the most according to claim 1 carries the turbulent pipe grid device of effect, it is characterised in that the diameter of described pipe For Φ 45～Φ 100mm, wall thickness is 1～10mm.

Wet desulphurization the most according to claim 1 carries the turbulent pipe grid device of effect, it is characterised in that described in adjacent two-layer Between pipe row 0.5～2.0 times that interlamellar spacing is described pipe diameter.

Wet desulphurization the most according to claim 1 carries the turbulent pipe grid device of effect, it is characterised in that every layer of described pipe row Pipe area accounting is 0.4～0.7.

Wet desulphurization the most according to claim 1 carries the turbulent pipe grid device of effect, it is characterised in that the two of described pipe End is rotatable and can be installed on beating on described support.