CN2269244Y - Cyclone reflective low resistance particle matierial separator - Google Patents

Abstract

The utility model relates to a preliminary treatment device in a preceding stage of a wet spinning method fume purification device for boilers, which is also suitable for treating the matching pretreatment device in a preceding stage with low resistance in a multi-stage purification device. The utility model is composed of a box body, a fume inlet, a fume outlet, a main separation barrel, a reflective conical body, a particle separation part, a fume separation and exhausting part, a self-collection and dust exhausting part, etc. The utility model aims to match a wet smoke gas purifier to solve the problems existing in the wet smoke gas purifier at present that a fan with water is easy to generate jamming with a purifier. The separator utilizes side air intake to generate spiral flow. Besides, the utility model utilizes the reflective action of the reflective conical body to exhaust fume which is separated through an inner fume exhausting barrel in the middle part of the utility model. Then the fume is exhausted out the separator. The design resistance of the utility model conforms to the requirements of a boiler auxiliary machine.

Description

The reflective lower resistance particulate separation of whirlwind device

The utility model belongs to field of environment protection, particularly relate to a kind of wet type flue gas desulphurization device the prime lower resistance give treating apparatus, also be applicable to the supporting treatment facility of handling in the high concentration flue dust multistage purification device that gives of prime.

Owing to exist fan belt water and clarifier itself to stop up two big technical barriers easily at present in the wet type flue gas desulphurization technology, result in hand cramps to the user, brought many problems also for the popularization of wet method flue gases purification, because the caused corrosion of fan belt water is quite serious, cause impeller to be changed again and again, be with mud in the water in addition, serious its pedestal vibrations that make come off; The blockage problem of clarifier is more, causes that air quantity reduces, boiler positive pressuring combustion, and accident is continuous, and then cleaning is difficult in addition, and the cleaning condition is arduous unusually, and is totally unfavorable to the cleaning workers'health.Therefore, solving fan belt water and clarifier blockage problem has become pressing for of present wet cleaning technology and a difficult problem, also is the major defect of present wet type flue gas desulphurization technology.

Purpose of design of the present utility model provides a kind of new product, to be applicable to different air quantity, the prime lower resistance of the smoke purifying equipment of high concentration give treating apparatus, cooperate the wet type flue gas desulphurization device can solve the blockage problem of fan belt water and clarifier effectively, so that flue gases purification is more attained is perfect, improve the gas cleaning level.

Close with the utility model separation principle is cyclone dust collectors and multi-tube dust cleaner, it all is a kind of nonaqueous dust cleaner, but the design philosophy of these two kinds of dedusters and principle and the utility model are essentially different, cyclone dust collectors and multi-tube dust cleaner all are the single-stage dedusters, in order to satisfy requirement on environmental protection, pursuing one's goal of its design is to improve efficiency of dust collection as far as possible, consequently along with the raising of efficiency of dust collection, structure becomes and becomes increasingly complex, the diameter of main cylinder or whirlwind designs more and more forr a short time, the Design of length of cylinder must come to design more and more forr a short time from the diameter of tube or whirlwind more, the Design of length of cylinder gets more and more longer, the variation of pattern and style are more and more, and it is increasing that resistance also becomes; And design philosophy of the present utility model is, at first the utility model is not a kind of single-stage deduster, be to cooperate the prime of wet cleaner to give treating apparatus, pursuing one's goal of its design is under the prerequisite that satisfies certain separative efficiency, reduce the design resistance of separator, its purpose will realize making the diameter of main cylinder to keep big as far as possible as far as possible, the length of main cylinder as far as possible design weak point some, volume is smaller as far as possible, and structure is simpler as far as possible.Because function of the present utility model is to aim at the prime that cooperates wet cleaner to solve fan belt water and blockage problem and design to give treating apparatus.

The technical scheme that realizes the design be by casing, smoke inlet, exhanst gas outlet, main cylinder, reflection cone, particle splitter section, divide the separable flue gas discharge section and receive certainly, the reflective lower resistance particulate separation of whirlwind device that dust discharge part etc. constitutes.Its structure is that the top of casing (1) is square type structure, the side of being, bottom tapered structure; Smoke inlet (2) is arranged on the side of taking back in casing (1) middle part for rectangle; Casing (1) middle part of square type structure is provided with main cylinder (6), the sidewall of the left end of main cylinder (6) is connected with smoke inlet (2) and is fixed on the front baffle board (15), the right part of main cylinder (6) is provided with the particle splitter section, by main cylinder (6) and be fixed on the annular tap hole (16) that forms between the reflection cone (5) on the backboard (14) and dividing plate (10) former and later two parts that flue-dust retainer (11) is divided into be made of; The discharge section that divides separable flue gas, be by the left end exhanst gas outlet (8) of the square type structure that is arranged on casing (1) top and be fixed on the front apron (15) with main cylinder (6) in the interior aiutage (7) of same axis and aspirating hole (9) formation of on front apron (15), offering; The flue-dust retainer (11) that the side of being provided with, bottom of casing (1) is tapered; Be provided with removable cover (12) and counter weight (13) constitutes from receiving the dust discharge part at the foot of flue-dust retainer (11).Main cylinder (6), interior aiutage (7) and reflection cone (5) all be on the same axis, is combo one to one.There is single group monotubular pattern in the particulate separation system of combo, two groups of bitubular patterns, and three group of three cartridge type formula, four group of four cartridge type formula is up to 25 group of 25 all pattern such as cartridge type formula, and the formation series of products.Be to cooperate many structural forms of particulate separation system, aspirating hole (9) has the single hole setting, the diplopore setting, and three holes are provided with, and four holes are provided with, until 36 holes such as are provided with at all patterns.

The rotation detachment dynamic of each cylinder of the present utility model is to lean on the attraction of air-introduced machine self to produce, and does not need extra power.

Carried out rational design and configuration because the utility model is equipped with in structure and combination, its utilization scope is wide, handles the air quantity scope at 1000M ³/ h～100,000M ³/ h; The scope of application of dust concentration is at 1g/M ³～100g/M ³For the purification separation rate of the flue dust more than the 30 μ m more than 80～90%; The drag overall of separator is at 0.3kpa～0.5kpa (30～50mmH ₂O) between.The equipment operating cost is extremely low, owing to made full use of the cyclonic current principle, good separating effect makes fan belt water, and dry wear and clarifier blockage problem are effectively controlled.Separator designs is reasonable, compact, volume is little, can be directly installed on the flue, and only wide by about 50% than flue, it is little to take up room, and takes up an area of face hardly.

Below in conjunction with accompanying drawing design is further described.

Accompanying drawing 1 and accompanying drawing 2 are fundamental diagrams of single group monotubular pattern.The operation principle of many group multi-barrel formulas is consistent with it.

From accompanying drawing 1 (A-A) cutaway view as can be seen, ash-laden gas is to introduce the separator casing (1) from smoke inlet (2), enter main cylinder (6), because air-flow is the main cylinder (6) that side direction enters garden shape, can make air-flow produce rotation, the centrifugal force owing to rotation produces gets rid of the particle in the flue gas to main cylinder (6) inwall, so air-flow is the limit rotation, move on the limit.In the time of near moving to internal reflection cone (5), near main cylinder (6) inwall particle obtains enrichment, air-flow in the middle of the cylinder (6) is then because the reflex that is reflected cone (5), begin to return from the middle part of main cylinder (6), by interior aiutage (7) through exhanst gas outlet (8) drain separator.The particle dust of enrichment stream then enters the rear portion of flue-dust retainer (11) downwards by annular tap hole (16), again through the front portion of dividing plate (10) back flue-dust retainer (11), by aspirating hole (9) through exhanst gas outlet (8) drain separator.And in, coarseparticulate when upwards returning flue-dust retainer (11) anterior through dividing plate (10), be deposited to the bottom of flue-dust retainer (11).After central coarseparticulate deposits to certain quantity,, and finish the overall process of particulate separation because removable cover (12) drain separator is automatically backed down in the effect of gravity.Counter weight (13) is made up of a screw and a screw rod, and the distance of set screw on screw rod can be controlled particle from row's time and each quantity from row.In the middle of during the coarseparticulate emptying, again because aspirating hole (9) is taken out gravitation to what flue-dust retainer (11) produced, and make flue-dust retainer (11) keep negative pressure, and close removable cover (12) automatically.Then, repeat preceding process once more.

Accompanying drawing 2 is side views of accompanying drawing 1, mainly shows the relative position of casing (1), smoke inlet (2), main cylinder (6), front apron (15), interior aiutage (7), exhanst gas outlet (8), aspirating hole (9).

Claims (3)

1, the reflective lower resistance particulate separation of a kind of whirlwind device, by casing, smoke inlet, exhanst gas outlet, main cylinder, reflection cone, particle splitter section, divide the separable flue gas discharge section and receive certainly, dust discharge partly constitutes, the top that it is characterized in that casing (1) is square type structure, the side of being, bottom tapered structure; Smoke inlet (2) is a rectangle, is arranged on the side of taking back at casing (1) middle part; Casing (1) middle part of square type structure is provided with main cylinder (6), and the sidewall of the left end of main cylinder (6) is connected with smoke inlet (2) and is fixed on the front apron (15); The right part of main cylinder (6) is provided with the particle splitter section, by main cylinder (6) and be fixed on the annular tap hole (16) that forms between the reflection cone (5) on the backboard (14) and dividing plate (10) former and later two parts that flue-dust retainer (11) is divided into be made of; The discharge section that divides separable flue gas, be by the left end exhanst gas outlet (8) of the square type structure that is arranged on casing (1) top and be fixed on the front apron (15) with main cylinder (6) in the interior aiutage (7) of same axis and aspirating hole (9) formation of on front apron (15), offering; The flue-dust retainer (11) of the side of being provided with, the bottom tapered structure of casing (1); Be provided with receipts certainly, the dust discharge part of removable cover (12) and counter weight (13) formation at the foot of flue-dust retainer (11).

2, the reflective lower resistance particulate separation of whirlwind according to claim 1 device is characterized in that main cylinder (6), interior aiutage (7) and reflection cone (5) all are on the same axis, is combo one to one.There are single group monotubular pattern, two groups of bitubular patterns, three group of three cartridge type formula, four group of four cartridge type formula in the particulate separation system of combo, until 25 group of 25 all pattern such as cartridge type formula.

3, the reflective lower resistance particulate separation of whirlwind according to claim 1 device is characterized in that aspirating hole (9) has the single hole setting, the diplopore setting, and three holes are provided with, and four holes are provided with, until 36 holes such as are provided with at all patterns.