CN2231131Y

CN2231131Y - Smoke and dust purifying device

Info

Publication number: CN2231131Y
Application number: CN 95212077
Authority: CN
Inventors: 王玮
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-05-31
Filing date: 1995-05-31
Publication date: 1996-07-17
Anticipated expiration: 2005-05-31

Abstract

The utility model relates to smoke and dust purifying device for purifying the boiler smoke, part industrial waste gas and dust, comprising a box body, an inlet and an outlet. A flow equalizing member is arranged on the inlet of the box body which is provided with a pattern plate and an air feeding pipe connected with the pattern plate. A sieve plate, an infusion pipe and a liquid level controller are arranged in the box body whose bottom part is provided with an electric butterfly valve which is controlled by the liquid level controller. An activated carbon adsorber is arranged on the outlet. The utility model has the characteristics of homogeneous reaction, secondary purification, etc., can implement thorough purifying, has good purifying effect, can reduce the intensity of workers, and is an ideal purifying device for the smoke of the boiler smoke, etc. Purifier.

Description

Flue gas and dust purification device

The utility model belongs to environmental protection and uses the cleaning equipment field, for a kind of flue gas and dust of making captures flue gas and the dust purification device that is purified by chemical reaction, physical absorption, water-bath.

At present, general cleaning equipment mostly is to spray through alkaline solution in air-introduced machine flue gas and dust being sent into jar with the speed of 8-12 meter per second, wherein impact further capture dust and carry out chemical reaction by the appendix of some and the saturated aqueous slkali of the certain liquid level of the interior maintenance of jar again, purified gas enters in the atmosphere, the dust that is captured is discharged in jar outer sedimentation basin, to reach the purpose of purification with waste liquid.There is following defective in use in this cleaning equipment: (1) is because air-introduced machine acts on the blast skewness on jar interior card, contain the frictional resistance that grey flow of solution is subjected to tube wall, and cause stopping up near the appendix of tank skin, cause change in flow, be unfavorable for the purification of waste gas; (2) because a jar interior alkaline solution is continuous-flow, therefore the gas-liquid-solid mixture that from a series of appendixs, sprays not with jar in the alkaline solution complete reaction, just be discharged to outside the jar with solution in the jar, this has disappeared with regard to the effect of using appendix to be used for to strengthen the Gas-Liquid Dispersion degree to increase the gas-liquid contact area, makes the purification efficiency of equipment reduce greatly.It for the patent No. 93205440.4 patented technology, though done the improvement of structure at above-mentioned second defective, valve at the leakage fluid dram place according to circumstances opens and closes or partially opens, but, the alkaline solution concentration behind the spray can not get in time replenishing owing to reducing, thereby do not reach its best clean-up effect, and the switching of valve needs operating personnel to finish, and has increased user's labour intensity.

The purpose of this utility model is to provide a kind of flue gas and dust by the attractor inspiration directly to enter appendix equably at above-mentioned situation, be transported to alkaline solution circulation, that concentration is certain and carry out best purification, and be provided with the flue gas and the dust purification device of absorber at the place, gas outlet.

Goal of the invention of the present utility model realizes in the following manner: it includes the purification casing, purify the support of casing, reach flue gas or dust import, purify the back air outlet slit, be provided with a current-sharing part above in import, being connected with the card of appendix, be installed on the active carbon adsorption device in the exit, be mounted with sieve plate and woven hose in the casing below appendix, the outlet of woven hose is from the about 50mm of the outlet of appendix, sieve aperture is arranged, the outlet interlaced arrangement of sieve aperture and appendix on the sieve plate; Bottom at casing is equipped with electric butterfly valve, is equipped with fluid level controller in casing, and electric butterfly valve is controlled by fluid level controller, and the liquid level chain of command of fluid level controller is 20-30mm from the exit end face of appendix.

Purifier of the present utility model compared with prior art has following advantage:

(1) has additional oval-shaped current-sharing part in import department, guaranteed that the waste gas carried by air-introduced machine etc. flows into appendix on the card equably, and entered in the alkaline solution, increased its homogeneous reaction area;

(2) below appendix, be installed on sieve plate and woven hose, guaranteed the concentration of the alkaline solution of appendix below, flue gas and dust are fully reacted, purify up hill and dale;

(3) be installed on absorber in the exit, make flue gas that physisorption take place when discharging, carry out purifying the second time, improved its clean-up effect;

(4) have additional electric butterfly valve and fluid level controller, the solution in the casing is controlled automatically, realized operation automation, alleviated working strength of workers.

Followingly in conjunction with the accompanying drawings technology contents of the present utility model and structure are further described:

Fig. 1 is the novel structural representation of this reality;

Fig. 2 is the vertical view of Fig. 1.

Referring to Fig. 1, Fig. 2, the purifier of flue gas of the present utility model and dust, mainly be that boiler smoke and part industrial waste gas and dust are purified, it includes and purifies casing (1), flue gas and dust import (2), purifies back air outlet slit (3) and support (4) thereof, casing (1) can be gone up and be cylindrical shape, it is down the cone shape, there is the import (2) by air-introduced machine supplied flue gases and dust the top of casing (1), outlet (3) is positioned at the top of casing (1), and support (4) is mainly used in supporting box (1); Central authorities are provided with a current-sharing part (6) in import (2), it can adopt iron casting to form, its appearance has anticorrosive coat, current-sharing part (6) can be semiellipsoid or half upright egg shape, be fixedly connected on import (2) by three uniform connecting rods and locate, current-sharing part (6) mainly is to guarantee to be gone in the appendix by the orifice flow on the card by around the mediad by the flue gas and the dust of air-introduced machine conveying with being uniformly dispersed.Outlet (3) is positioned at the top of casing (1), can be connected with active carbon adsorption device (5) in the exit, active carbon adsorption device (5) is a gridiron structure, the outlet (3) that is connected casing top by flange is located, the active carbon adsorption device is arranged with gridiron structure by many active carbon adsorption sheets and is formed, every absorption sheet mainly includes copper mesh and sinks to the interior active carbon particle of copper mesh, its concrete structure is identical with more existing active carbon adsorption sheets, do not elaborate at this, the absorption sheet mainly is fixed on its housing by bolt etc.In the top of casing (1) card (7) is installed, be evenly equipped with many flue gases and dust import on the card and correspondingly be connected with the appendix (8) of certain-length in each import department, card (7) is fixed on the casing top, in the casing of appendix (8) below, be mounted with sieve plate (9) and woven hose (14), the outlet of woven hose (14) is from the about 50mm of outlet of appendix (8), the bottom of casing (1) is equipped with electric butterfly valve (10), be equipped with fluid level controller (13) in the casing (1), electric butterfly valve (10) is controlled by fluid level controller (13), the liquid level chain of command of fluid level controller (13) is from the exit end face 20-30mm of appendix (8), when by the pump housing alkaline solution being transported in the casing from woven hose in the pond from the outside, after reaching predetermined liquid level, fluid level controller (13) sends electric signal control electric butterfly valve (10) and opens, make input, the aqueous slkali amount of discharging equates, flow in the pond discharging casing through the alkaline solution of chemical reaction in the casing (1), because after alkali lye reacts, solution reduces, after fluid discharge arrives predetermined height, fluid level controller sends electric signal again, close butterfly valve, the while pump housing extracts new alkaline solution and enters in the casing via the woven hose ejection from the pond, keep predetermined liquid level, so that appendix puts in 20-30mm under the liquid level, make waste gas and dust generation chemical reaction, carry out repeatedly with this, reach the purification purpose.Sieve plate (9) is to be made by glass epoxy, be evenly equipped with sieve aperture on it, sieve aperture arrives staggered with the exit position of appendix (8) mutually, its sieve diameter is φ 40mm, the effect of sieve aperture mainly is that from then on reacted sediment is discharged, to guarantee having sufficient reaction surface and gas or dust to bump, guarantee clean-up effect; Electric butterfly valve (10) adopts existing electric butterfly valve structure, be connected with casing by flange and bolt, fluid level controller also adopts prior art, is installed in the casing and connects with electric butterfly valve by bolt etc., its control principle is general control procedure, does not explain at this.

Purifier of the present utility model also can be equipped with overflow pipe (11) on the casing (1) at 20-30mm place above the outlet end of appendix (8), in order to flow out excessive solution, guarantee that chemical reaction takes place its dust on sieve plate.And on the casing (1) below the outlet of appendix (8), be equipped with liquid level gauge (12), in order to observe the liquid level of the solution in the casing.

The inside and outside surface of above-mentioned appendix, all there is one deck anticorrosive coat on the surface of the surface of sieve plate, the inner surface of casing, pipe conveying fluid etc.

The arm that tilts to central authorities that above-mentioned woven hose (14) includes the person in charge of a ring-type and is connected with the person in charge, arm is distributed on the person in charge, and its quantity is more than 3; Be responsible for and fixedly connected with casing, inlet is arranged on it, straight-through casing is outer to link to each other with the pump housing.

Chemical principle of purifier of the present utility model institute basis etc. be mainly in the flue gas pernicious gas such as sulfur dioxide, nitrogen dioxide etc. in solution with alkaline matter generation chemical reaction, do not elaborate at this.

Claims

1, a kind of flue gas and dust purification device that boiler smoke and part industrial waste gas and dust are purified, it includes and purifies casing (1), flue gas and dust import (2), purifies back air outlet slit (3) and support (4) thereof, it is characterized in that:

(1), central authorities are provided with a current-sharing part (6) in import (2);

(2), outlet (3) is positioned at the top of casing (1), and is connected with active carbon adsorption device (5);

(3), card (7) is installed, many flue gases and dust import and the corresponding appendix (8) that is connected with are arranged on the card in the top of casing (1),

Be mounted with sieve plate (9) and woven hose (14) in the casing of appendix (8) below, the outlet of woven hose (14) is from the about 50mm of outlet of appendix (8).

(5), sieve plate has sieve aperture on (9), the exit position of sieve aperture and appendix (8) is interlaced;

(6), the bottom of casing (1) is equipped with electric butterfly valve (10), be equipped with fluid level controller (13) in the casing (1), electric butterfly valve (10) is by fluid level controller (13) control, and the liquid level chain of command of fluid level controller (13) is from the exit end face 20-30mm of appendix (8).

2, purifier according to claim 1 is characterized in that: current-sharing part (6) is semiellipsoid or half upright egg shape, is fixedly connected on import (2) by three uniform connecting rods and locates.

3, purifier according to claim 1 is characterized in that: active carbon adsorption device (5) is a gridiron structure, and the outlet (3) that is connected casing top by flange is located.

4, according to claim 1 or 2 or 3 described purifiers, it is characterized in that: on the casing (1) at 20-30mm place, appendix (8) outlet end top, be equipped with overflow pipe (11).

5, according to claim 1 or 2 or 3 described purifiers, it is characterized in that: the casing (1) below the outlet of appendix (8) is equipped with liquid level gauge (12).

6, purifier according to claim 1 is characterized in that: the arm that tilts to central authorities that woven hose (14) includes the person in charge of a ring-type and communicates with the person in charge, the arm number is more than 3.