CN214717496U

CN214717496U - Wet electric tower of oil proppant rotary kiln flue gas dust removal

Info

Publication number: CN214717496U
Application number: CN202120887398.0U
Authority: CN
Inventors: 高明; 张彬; 张新民; 高天智; 宋周雷
Original assignee: Mianchi Dehui Petroleum Proppant Co ltd
Current assignee: Mianchi Dehui Petroleum Proppant Co ltd
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2021-11-16
Anticipated expiration: 2031-04-27

Abstract

The utility model relates to a wet electric tower of oil proppant rotary kiln flue gas dust removal, including supporting leg, horizontal pole and casing, flue gas entry, exhaust port, install wet electric dust removal subassembly in the casing, wet electric dust removal subassembly includes jib, gallows, wire electrode and cellular anode tube bank, has hung many wire electrodes on the gallows, cellular anode tube bank is fixed in the casing and comprises a plurality of glass steel standpipe that are regular hexagon, the lateral wall of each glass steel standpipe is hugged closely in proper order; the electrode wire is arranged in the glass fiber reinforced plastic vertical pipe in a penetrating way and is positioned in the center of the glass fiber reinforced plastic vertical pipe. This application is through adopting the honeycomb anode tube bank that comprises a plurality of regular hexagon's glass steel standpipe, and the center at the glass steel standpipe is worn to establish as the wire electrode of cathode wire electrode, and each glass steel standpipe is arranged closely, and this honeycomb anode tube bank compact structure, light in weight, small, corrosion resistance are strong, effective sedimentation area is big, and dust collection efficiency is high.

Description

Wet electric tower of oil proppant rotary kiln flue gas dust removal

Technical Field

The utility model relates to a haydite sand oil proppant production technology, especially a wet electricity tower of oil proppant rotary kiln flue gas dust removal.

Background

The ceramsite oil proppant is also called oil fracturing proppant and is widely applied to oil and natural gas exploitation. The main material of the ceramsite sand petroleum proppant is bauxite, and the production process comprises crushing, burdening, grinding, pelletizing, calcining, cooling, screening and the like; at present, a rotary kiln is mostly adopted for calcining the ceramsite proppant, and flue gas generated in the calcining process contains harmful gases such as nitride and sulfide and dust, and is directly discharged to cause environmental pollution. In order to prevent air pollution caused by direct emission of flue gas, the flue gas of the rotary kiln is usually subjected to SCR denitration and wet desulphurization, and then subjected to dust removal by a wet electric tower; the electric dust collector comprises a dust collecting pole cylinder and a corona pole arranged inside or outside the dust collecting pole cylinder, wherein the dust collecting pole cylinder is cylindrical, the corona pole comprises corona wires which are circumferentially arranged, and the dust collecting unit are mutually arranged in a sleeved mode; although the wet electric dust collector disclosed in the document can perform dust removal operation on flue gas, the corona electrode therein has a complex structure and is inconvenient to install and construct, and the dust removal efficiency is still to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wet electric tower of oil proppant rotary kiln flue gas dust removal, simple structure, dust collection efficiency are high.

In order to solve the problems, the utility model provides a wet electric tower for removing dust from flue gas of a rotary kiln for petroleum proppant, which comprises supporting legs, a cross bar and a shell, wherein the bottom of the shell is provided with a flue gas inlet, the top of the shell is provided with a smoke outlet, a wet electric dust removal assembly is arranged in the shell, the wet electric dust removal assembly comprises a suspender, a hanger, an electrode wire and a honeycomb anode tube bundle, the upper end of the suspender is fixed on the upper top plate of the shell, and the hanger is fixed at the lower end of the suspender; a plurality of electrode wires are suspended on the hanging bracket, the lower end of each electrode wire penetrates through the isolation frame, and an electrode heavy hammer is mounted at the lower end of each electrode wire; the honeycomb anode tube bundle is fixed in the shell and consists of a plurality of regular-hexagon glass fiber reinforced plastic vertical tubes, and the outer side walls of the glass fiber reinforced plastic vertical tubes are sequentially attached; the electrode wire penetrates through the glass fiber reinforced plastic vertical pipe and is positioned in the center of the glass fiber reinforced plastic vertical pipe.

The utility model provides a wet electric tower of oil proppant rotary kiln flue gas dust removal still has following technical characteristic:

furthermore, the cross section of the shell is square, and the outer contour shape of the cross section of the honeycomb-shaped anode tube bundle is matched with the shape of the cross section of the shell.

Further, the honeycomb anode tube bundle is composed of 68 glass fiber reinforced plastic vertical tubes in 8 rows, and each row comprises 9 or 8 glass fiber reinforced plastic vertical tubes.

Further, the electrode wire is a barbed electrode wire.

Furthermore, a spraying device positioned on the top plate is also arranged in the shell.

Furthermore, the bottom plate of the shell is obliquely arranged, and a water return opening is further formed in the bottom plate.

The utility model discloses following beneficial effect has: the honeycomb-shaped anode tube bundle is formed by a plurality of regular-hexagon glass fiber reinforced plastic vertical tubes, the electrode wires serving as the cathode electrode wires penetrate through the centers of the glass fiber reinforced plastic vertical tubes, the glass fiber reinforced plastic vertical tubes are arranged closely, and the honeycomb-shaped anode tube bundle is compact in structure, light in weight, small in size, strong in corrosion resistance, large in effective precipitation area and high in dust removal efficiency.

Drawings

FIG. 1 is a schematic structural view of a wet electric tower for removing dust from flue gas of a rotary kiln for petroleum proppants in an embodiment of the present invention;

FIG. 2 is a schematic view of the internal structure of a wet electric tower for removing dust from flue gas of a rotary kiln for petroleum proppants in an embodiment of the present invention;

fig. 3 is a cross-sectional view of the wet electric tower of oil proppant rotary kiln flue gas dust removal of the embodiment of the utility model.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

As shown in fig. 1 to 3, the embodiment of the wet electric tower for flue gas dust removal of the rotary kiln for petroleum proppant of the present invention includes support legs 11, vertical bars 12, horizontal bars 13 and a shell 14, the bottom of the shell 14 is provided with a flue gas inlet 101, the top of the shell 14 is provided with a smoke outlet 102, a wet electric dust removal assembly 20 is installed in the shell 14, the wet electric dust removal assembly 20 includes a hanger rod 21, a hanger bracket 22, an electrode wire 23 and a honeycomb anode tube bundle 24, the upper end of the hanger rod 21 is fixed on the upper top plate of the shell 14, and the hanger bracket 22 is fixed at the lower end of the hanger rod 21; a plurality of electrode wires 23 are suspended on the hanger 22, the lower end of each electrode wire 23 is arranged on the isolation frame 25 in a penetrating way, and an electrode weight 26 is arranged at the lower end of each electrode wire 23; the honeycomb anode tube bundle 24 is fixed in the shell 14 and is composed of a plurality of regular hexagonal glass fiber reinforced plastic vertical tubes, and the outer side walls of the glass fiber reinforced plastic vertical tubes are sequentially attached; the electrode wire 23 is arranged in the glass fiber reinforced plastic vertical pipe in a penetrating way and is positioned in the center of the glass fiber reinforced plastic vertical pipe. This application is through adopting the honeycomb anode tube bank that comprises a plurality of regular hexagon's glass steel standpipe, and the center at the glass steel standpipe is worn to establish as the wire electrode of cathode wire electrode, and each glass steel standpipe is arranged closely, and this honeycomb anode tube bank compact structure, light in weight, small, corrosion resistance are strong, effective sedimentation area is big, and dust collection efficiency is high.

When the wet electric tower for removing dust and smoke of the rotary kiln for the petroleum proppant in the embodiment is used, smoke at the outlet of the rotary kiln for the petroleum proppant is firstly subjected to coarse filtration and dust removal through the cyclone dust collector, enters the electric dust collector for dust removal, then enters the SCR for denitration, is cooled through the heat exchanger after denitration, enters the fan after being filtered and purified through the pulse bag type dust collector, enters the smoke desulfurization spray tower through the fan drum for wet desulfurization, enters the wet electric tower for deeply purifying smoke of the rotary kiln for removing dust and smoke of the petroleum proppant after desulfurization, and the smoke reaching the standard after dust removal and demisting is discharged through the chimney.

In one embodiment of the present application, the cross section of the shell 14 is preferably square, and the outer contour shape of the cross section of the honeycomb anode tube bundle 24 is matched with the shape of the cross section of the shell 14, so that the effective settling area can be increased, and the dust removal efficiency can be improved. Preferably, as shown in fig. 3, the honeycomb anode tube bundle 24 is made up of 8 rows of 68 glass fiber reinforced plastic risers, each row including 9 or 8 glass fiber reinforced plastic risers. Preferably, the wire electrode 23 is a barbed electrode wire.

In one embodiment of the present application, preferably, a spraying device 15 is further disposed in the housing 14 and located on the top plate, a bottom plate 16 of the housing 14 is disposed obliquely, and a water return port 17 is further disposed on the bottom plate 16.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The wet electric tower for flue gas dust removal of the rotary kiln for the petroleum proppant comprises supporting legs, a cross bar and a shell, wherein a flue gas inlet is formed in the bottom of the shell, a smoke exhaust port is formed in the top of the shell, and a wet electric dust removal assembly is installed in the shell and is characterized in that the wet electric dust removal assembly comprises a hanging rod, a hanging bracket, an electrode wire and a honeycomb anode tube bundle, the upper end of the hanging rod is fixed on an upper top plate of the shell, and the hanging bracket is fixed at the lower end of the hanging rod; a plurality of electrode wires are suspended on the hanging bracket, the lower end of each electrode wire penetrates through the isolation frame, and an electrode heavy hammer is mounted at the lower end of each electrode wire; the honeycomb anode tube bundle is fixed in the shell and consists of a plurality of regular-hexagon glass fiber reinforced plastic vertical tubes, and the outer side walls of the glass fiber reinforced plastic vertical tubes are sequentially attached; the electrode wire penetrates through the glass fiber reinforced plastic vertical pipe and is positioned in the center of the glass fiber reinforced plastic vertical pipe.

2. The wet electric tower of oil proppant rotary kiln flue gas dust removal of claim 1, characterized in that: the cross section of the shell is square, and the outer contour shape of the cross section of the honeycomb anode tube bundle is matched with the shape of the cross section of the shell.

3. The wet electric tower of oil proppant rotary kiln flue gas dust removal of claim 2, characterized in that: the honeycomb anode tube bundle consists of 68 glass fiber reinforced plastic vertical tubes in 8 rows, and each row comprises 9 or 8 glass fiber reinforced plastic vertical tubes.

4. The wet electric tower of oil proppant rotary kiln flue gas dust removal of claim 1, characterized in that: the electrode wire is a barbed electrode wire.

5. The wet electric tower of oil proppant rotary kiln flue gas dust removal of claim 1, characterized in that: and a spraying device positioned on the top plate is also arranged in the shell.

6. The wet electric tower of oil proppant rotary kiln flue gas dust removal of claim 5, characterized in that: the bottom plate of the shell is obliquely arranged, and a water return opening is further formed in the bottom plate.