CN2284097Y - Energy-saving boiler smoke and fume purifier - Google Patents

Abstract

The utility model relates to an energy-saving boiler smoke and fume purifier, which is composed of a purifier body, a liquid storing tank, a liquid trapping device, etc. The purifier body is connected with the liquid trapping device through a communicating pipe. The lower parts of both the purifier body and the liquid trapping device do not have bottom covers. The purifier body and the liquid trapping device are arranged in the liquid storing tank. The upper part of the liquid storing tank is opened. The utility model has the substance that the utility model adopts the purifier body and the liquid trapping device to realize multi-stage purification. The utility model integrates desulphurization, smoke abatement and dust removal into integration. The desulphurization reaches 78-90%. The lingemann blackness is below the first level. The purification rate of smoke and fume reaches 97-99%. The utility model is block mount. The utility model has simple structure and low operating cost. The entire purification system does not have waste water to expel out, which does not have the consumption of dynamic energy. The utility model is mainly suitable for the purification of the smoke and the fume of an industrial boiler especially a grate firing boiler and a spreader feeder boiler.

Description

The energy-saving type boiler flue gas cleaner

The utility model relates to a kind of device that material is separated, and relates to the boiler flue gas cleaner specifically.

The version of flue gas cleaner is varied, cleaning principle is also inequality, and is single with regard to wet cleaner, and water film type, fountain and storage water heater are just arranged, their common ground is to utilize contacting of flue gas and liquid, removes dust and pernicious gas and reaches clean-up effect.The patent No. is the Chinese patent of " 88210969 " " spiral vortex type boiler fume purifier ", discloses a kind of flue gas cleaner that adopts vortex chamber to realize secondary purification.It is made of exhaust gases passes, vortex chamber, separate type, fluid storage tank etc., its structure is an integral body, and clarifier body and fluid storage tank are connected as a single entity, as shown in Figure 1, its fluid storage tank bottom connects the plasma discharge gate valve with bolt, and the ball-cock assembly in the water supply tank on the housing outer wall links to each other with the feed pipe of outside.The ash that it captures is regularly discharged by the plasma discharge lock of fluid storage tank bottom with the mortar form.But in practice, if the plasma discharge time interval is long slightly, mortar can harden into piece, causes the plasma discharge gate valve to be difficult to discharge ash, and operating personnel feel inconvenience very much.In addition, because the start and stop of boiler induced draught system are frequent, the frequency that fluctuates widely up and down of the liquid water level in the corresponding water supply tank is higher, and cause ball-cock assembly malfunctioning easily, and then cause the working solution water level to rise, air-introduced machine band water, perhaps water is excessive in a large number, causes waste; Moreover for the demanding spreader stoker boliler flue gas of purifying rate, it is higher that the working solution water level is controlled, and air-introduced machine also easily is with water.

The purpose of this utility model is come therefrom, will propose a kind of new flue purifier of boiler exactly, makes no matter air-introduced machine can be with water and ash to discharge simple and convenient, good purification in no instance.

The utility model realizes that the technical scheme of above-mentioned purpose is as follows: its structure comprises the flue gas cleaner body, is arranged on air inlet oral cavity, exhaust gases passes, vortex chamber, gas outlet on the body, fluid storage tank, be arranged on the water-level control apparatus in the fluid storage tank, its special feature is that described flue gas cleaner body separates with fluid storage tank, making clarifier body bottom and fluid storage tank top is open (opening wide), the clarifier body places fluid storage tank, the ash of its capture directly is deposited in the fluid storage tank of opened upper end, and it is simple, convenient to remove ash from the fluid storage tank that opens wide; Clarifier body back is set up a bottom that is linked to each other by communicating pipe and is similarly open liquid trap in fluid storage tank, collects the liquid moisture content of catching from the wet flue gas that the clarifier body comes out, and makes air-introduced machine can be with water in no instance.

The utility model adopts fluid storage tank to separate with the clarifier body, go out clearly in the fluid storage tank of form by opened upper end of ash that captures with lime-ash, rather than discharge: overflow system is not set on the fluid storage tank with the mortar form, when the boiler induced draught system is out of service, there is not hydraulic fluid excessive, thereby reaching wet dust removal does not have waste water and effluxes, also there is not the circulation of circulating pump forced working liquid, water-saving promptly economizes on electricity, need not waste water smelting reason again, energy-saving effect is remarkable: the liquid trap of setting up behind the clarifier body in fluid storage tank makes air-introduced machine can be with water in no instance, and it is caught in the wet flue gas in the liquid moisture content in collection, also can catch the ash of 30-40% in the wet flue gas, make the purifying rate of whole clarifier improve more than 2% than the spiral vortex type boiler fume purifier.Water-level control apparatus of the present utility model is joined by soft line flexibility by ball float and connecting rod, and is provided with limit spring in connecting rod come-up pommel, the malfunctioning excessive phenomenon of hydraulic fluid that causes therefore can not occur controlling.

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is the spiral vortex type boiler fume purifier.

Fig. 2 is a structural representation of the present utility model.

Fig. 3 is the structure enlarged diagram of Fig. 2 middle water level control device.

Wherein: 1, clarifier body; 2, air inlet oral cavity, 3, inlet channel; 4, S shape passage; 5, vortex chamber; 6, shelves water plate; 7, fluid storage tank; 8, water-level control apparatus; 9, annular outlet passageway; 10, the oral cavity of giving vent to anger.11, admission line; 12, liquid trap shell; 13, communicating pipe; 14, ball float valve body; 15, connecting rod; 16, soft line; 17, extension spring; 18, ball float.

Shown in Figure 3 as Fig. 2, the architecture basics of present embodiment comes from Roto-clone, type auto-excitation type scrubber, with the unlimited clarifier body 1 of the water tank bottom of Rote-clone type auto-excitation type scrubber, air inlet oral cavity 2, inlet channel 3, S shape passage 4, vortex chamber 5 and water fender 6 are being set on body 1 as present embodiment.The housing of clarifier body 1 is square column type, the bottom is not established bottom and is opened wide, air inlet oral cavity 2 and inlet channel 3 are divided equally body 1 and are formed S shape smoke-outlet flue 4 with water fender 6, vortex chamber 5 places the bottom of inlet channel 3, clarifier body top is truncated cone-shaped, on the gas outlet on truncated cone-shaped top, be welded with ring flange and communicating pipes 13 1 end join, ring flange on the circular admission line 11 of the other end of this communicating pipe 13 and liquid trap 12 is connected, it is open that bottom is not also established in the bottom of this liquid trap 12, being similarly open clarifier body 1 with the bottom is placed side by side in the fluid storage tank 7, in fluid storage tank 7, placing water-level control apparatus, control and regulation operating fluid level height, its ball float valve body 14 is connected with connecting rod 15, the ball float 18 of connecting rod 15 other ends below is connected by soft line, resists the impact that hydraulic fluid fluctuates up and down and causes, and the extension spring 17 of its top is fixed on the fluid storage tank upper edge, clarifier body 1, liquid trap 12 both lower surface and fluid storage tank 7 bottoms keep a distance, so that go out lime-ash clearly.The circular admission line 11 of liquid trap 12 welds with the shell upper of liquid trap 12, the oral cavity 10 of giving vent to anger is positioned at the middle and upper part of liquid trap 12, join with the air-introduced machine of boiler, the lower surface of circular admission line 11 is lower than the minimum position in the oral cavity of giving vent to anger, upwards turn back 180 ° after making downward at a high speed wet flue gas leave admission line by admission line 11, the annular outlet passageway 9 of flowing through, by inertia, according to centrifugal principle, liquid moisture in the wet flue gas and the wet flue dust collecting of trace are caught, flue gas after being purified is drawn discharging from the oral cavity 10 of giving vent to anger by air-introduced machine, thereby make boiler smoke behind secondary purification through the clarifier body, the primary purification of having got back has reached multistage purification.Clarifier body 1 purifies the ash that captures and directly is deposited in the fluid storage tank 7 of opened upper end, and moisture content that liquid trap 12 captures and wet flue dust also directly fall into the fluid storage tank 7 of opened upper end, and it is convenient, simple to remove lime-ash from the fluid storage tank 7 that opens wide.In the present embodiment, when static, the operating fluid level in the operating fluid level of fluid storage tank 7 and clarifier body 1, the liquid trap 12 is a sustained height; In the time of dynamically, the operating fluid level in the liquid trap 12 is the highest, and the operating fluid level in the clarifier body 1 takes second place, and the operating fluid level in the fluid storage tank 7 is minimum.Be provided with the dischargeable capacity aspect ratio of fluid storage tank 7 when dynamic dynamic duty liquid level in the liquid trap 12 high slightly, when making boiler induced-draft fan system frequent starting, hydraulic fluid is not excessive, has avoided the excessive waste that causes of working solution; Have wet dust removal, non-wastewater discharge and do not have the advantage of kinetic energy loss again.

Claims (3)

1, a kind of energy-saving type boiler flue gas cleaner, comprise the flue gas cleaner body, fluid storage tank, be arranged on the air inlet on the body, exhaust gases passes, vortex chamber, gas outlet and be arranged on water-level control apparatus in the fluid storage tank, it is characterized in that: described flue gas cleaner body separates with fluid storage tank, clarifier body bottom, fluid storage tank top is open opening wide, the clarifier body places in the fluid storage tank, in the fluid storage tank of clarifier body back, also be equipped with a liquid trap, bottom is not established in the bottom of this liquid trap, also be open, it is linked to each other with the clarifier body by a connecting pipe; Air inlet and gas outlet are set on described liquid trap.

2, energy-saving type boiler flue gas cleaner according to claim 1 is characterized in that: the lower surface of described liquid trap admission line is lower than the minimum position in the oral cavity of giving vent to anger.

3, energy-saving type boiler flue gas cleaner according to claim 1, it is characterized in that: described connecting rod one end of the water-level control apparatus in the fluid storage tank that places is connected with the ball float valve body, the ball float of other end setting flexibly connects by a soft line and connecting rod, and the counterparty of ball float is to being provided with limit spring.