CN201263931Y

CN201263931Y - Treating device for filtering and purifying industrial waste gas

Info

Publication number: CN201263931Y
Application number: CNU2008200002702U
Authority: CN
Inventors: 师玉堂; 李冰; 刘勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-01-21
Filing date: 2008-01-21
Publication date: 2009-07-01
Anticipated expiration: 2018-01-21

Abstract

The utility model relates to processing equipment for filtering and purifying industrial waste gas, which is characterized in that a waste pipe and a diatomite pipe are connected to the lower part of a diatomite filter chamber, the front side of the waste pipe is provided with a gas feeding valve, and the front side of the diatomite pipe is provided with a diatomite storage tank and a spiral stirrer. Furthermore, the upper part of a diatomite filter chamber is provided with a woven bag array arranged in a hook way, a compressed air nozzle is arranged on the woven bag array, the lower part of the diatomite filter chamber is in a taper structure and is provided with a stirrer, and a waste recovery valve and a waste recovery tank. In addition, the top of the right side of the diatomite filter chamber is provided with an exhaust chimney, and the middle part of the exhaust chimney is provided with a draft fan.

Description

A kind for the treatment of apparatus of filtration, purification industrial waste gas

Technical field

The utility model relates to a kind of device of filtration, purification industrial waste gas, more particularly, is in conjunction with to diatomaceous Study on Physical, design diatomite is used for the industrial waste gas filtering and purifying; And according to the new material performance, the bag-type dust structure is used in design, the comprehensive device of realizing the industrial waste gas of the big air quantity of high concentration is carried out filtration, purification.

Background technology

Build urban district, rural enterprise in for solving in industrial area and part, because of industrial waste gas causes the problem of environmental pollution that highlights day by day, the device of the filtration, purification industrial waste gas that uses by the expert investigation domestic and foreign current is compared; And organize manpower, in F23J under the international Patent classificating number, the device of relevant filtration, purification industrial waste gas is removed or is handled, and the patent documentation of flue dust arrester; Among the C06D, about the patent documentation of smoke treated device; Among the B08,, wait domestic and international correlation technique contrast about the pertinent literature of clean technologies, and the technique device of research and design.

At present, industrial waste-gas purifier uses active carbon to realize the filtration, purification of industrial waste gas mostly.Utilized active carbon to have the chemical reaction performance of absorption, catalysis, while chemistry and physical property be the characteristics of relative stability again; And constantly perfect, progressively formed the big gas of molecular weight in the industrial waste gas, gas that boiling point is high, had VOC, comprise to sulfur dioxide and oxynitrides etc. filtration, purification industrial waste gas by good adsorption capacity function.Also can remove some and be difficult to the gas that tackles at ordinary times.Many technology have also been expressed filtering material of activated carbon regeneration and have been handled the method that realizes sustainable utilization.

But research finds also that simultaneously active carbon is restricted on the amount of handling waste gas because routine is to use the structure of solid forms, and regeneration is handled comparatively complicated; In traditional active carbon filter kind, adopt in the active carbon adsorption filtering layer structure, be subject to the size restriction of space, filter chamber, can not be too much as the adsorption filtration layer, and the restriction of blast resistance problem; And in some exhaust-gas treatments, shut down the processing of regenerating, and bring problems to actual production, comprehensively caused problems such as filtration, purification industrial waste gas effect is not satisfactory.Especially the industrial waste gas little to big air quantity, high concentration and molecular weight, that foul smell is heavy is handled, and problem is particularly evident; Demand urgently studying the present technique device from deal with problems at all.

The utility model content

The utility model is a purpose with the technical disadvantages that overcomes existing filter, and especially the technological deficiency in solving high concentration, big air quantity, the filtration of low molecular industrial waste gas has designed a kind of technical scheme of selecting for use diatomite to replace active carbon material that comprises; And carried out a series of architecture advances, thereby provide a kind of industrial waste gas adsorption filtration device, the outstanding industrial waste gas filtration problem that solves high concentration, big air quantity.

This equipment for treating industrial waste gas, as accompanying drawing one, its structure is the bottom that exhaust piping and diatomite pipeline are connected to the diatomite filtration chamber, and air intake valve is installed before the exhaust piping, the diatomite storage tank is housed before the diatomite pipeline, spiral stirs glassware.The cloth bag array of installing with hook mode is equipped with on the top of diatomite filtration chamber, and the compressed air valve is equipped with in cloth bag array top.Bottom, diatomite filtration chamber is a pyramidal structure, and agitator, waste recovery valve and waste recovery jar are housed.Exhaust chimney is equipped with at top, right side, diatomite filtration chamber, and an air-introduced machine is equipped with at the exhaust chimney middle part.Wherein to stir glassware, filter chamber, agitator, air-introduced machine, compressed air cylinder, magnetic valve, compressed air hose, waste recovery jar, silencing means, exhaust chimney, waste recovery valve relevant with technological improvement for air intake valve, storage tank, spiral; Improvement is especially, at the diatomite material of filter use fine powder, replaces present activated carbon, effectively strengthens waste gas adsorption filtration area, makes waste gas pass through the dust structure of diatomite and effectively gets rid of foul smell, structurally increases the exhaust-gas treatment amount.And, when affiliated treating apparatus uses diatomite material, utilized the fiber bag precipitator structure for strengthening the effect of high concentration, the processing of strong wind capacity industrial waste gas, replace adsorption filtration solid bar, the sheet material of activated carbon.And described diatomite cloth bag filter, this treating apparatus use hook method array to form; Under the situation of high concentration, big air quantity, want 88 above cloth bag constructions at least, and can and purify according to exhaust gas concentration and require to adjust to some extent, with the variation of filtering, use that different close thin structure is convenient is distributed in a plurality of filter courses in filter chamber according to exhaust gas concentration.Meanwhile, because affiliated treating apparatus, use diatomite material to filter and because the effect of simple operation fiber bag precipitator, strainability obviously improves, thereby use installation specification index to relevant portions such as agitator, air-introduced machine, compressed air cylinder, compressed air hose, waste recovery jar, silencing means, exhaust chimney, waste recovery valves, obviously relax, so because of the overall technology structural factor, and reduced the structural difficulties of equipment and project installation effectively; Thereby reduced various engineering costs and simplified environmental treatment difficulty, reduction of erection time etc.

The utility model because Material Physics substitutes and structural improvement thus, as because diatomaceous individuality is small, can reach nanoscale except above-mentioned; It is big to have porosity, and adsorptivity is strong, and chemical property is stable, body is light, matter is soft, sound insulation, wear-resisting, can anti-1400 degree high temperature etc. characteristics.In area identical, specific activity carbon is wanted many five or six thousand times aperture, the performance that has extremely strong physical absorption function and ion exchanging function and bring, particularly high concentration, strong wind capacity industrial waste gas are handled and had outside the remarkable result, the Other Engineering that this technology significantly shows is built beneficial effect, also has:

1, selects for use diatomite to replace the active carbon material of prior art, and utilizing the principle design of sack cleaner, strengthening the area of waste gas adsorption filtration in a large number, effectively enlarging the scope that to filter industrial waste gas.As can be to benzene class, ketone, alcohols, ester class, naphthalene class, quinones, acid anhydride class, amine, aldehydes, thiacyclohexane, cyclohexene, cyclohexanone, methyl mercaptan, ethyl mercaptan, butyl mercaptan, CS ₂Deng waste gas, carry out effective filtration, purification.Thereby, also can solve the prominent question in the waste gas filtering that a lot of industries run into when existing technical filter.Kind and the degree aspect of the utility model from enlarging adsorbable filtering exhaust to the protection of optimizing the environment, improve the industrial production condition and improve aspects such as industrial capacity, all shown technological value from comprehensive angle;

2, the sack cleaner structure of the corresponding employing of this technology under the centrifugal blower effect, is caught dusty gas and is drawn onto the filter chamber, and dust is delayed at the cloth bag surface behind the cloth bag filtration; When the dust layer that is adsorbed on the filter bag outer surface reaches a certain amount of, automatic ash removing mechanism in time starts, use compressed air that surface dust is blown off, discharge by waste material collection device, to prolong equipment task time as far as possible like this, avoid or shorten equipment downtime, handle and need to shut down and operational trouble thereby change the charcoal absorption material regeneration; Effectively improved production efficiency.And simple operation saves time.The far reaching reason of not shutting down filtration, purification usually is, helps avoiding the accumulation property use active carbon adsorption filtering material of regeneration not as yet, and the unpredictable great environmental pollution accident that brings; Adapt to the solution of multiple mode of production environmental problem, both raised the efficiency, also be convenient to the environmental requirement promotion and implementation;

3, device of the present utility model, by after the Study on Physical, the diatomite filtration chamber of design reaches and to surpass the environmental requirement effect obvious.Simultaneously, utilize bag-type dust principle project organization to distribute, NULL goes out according to exhaust gas concentration with the variation of filtering, use different close thin structures, convenient being distributed in a plurality of filter courses in filter chamber, and use to install and replace hook structure easily, wait a series of rigorous art designs work, further improve performance, industrial experiment with use in all can substantially exceed the environmental requirement (as the examining report of measuring through environmental monitoring master station of CNPC: see Figure of description two) of present national regulation.Not only effectively improving existing industrial pollution, also is the pollution plan up to standard of newly-built enterprise, and the bigger space of improving of technical support is provided.

Aspect expansion application study space, also there is extensive prospect the technology development aspect again of this utility model.

Description of drawings

Fig. 1 is a fundamental diagram of the present utility model.

Because it is the systematicness of device is stronger,, as follows to the label declaration of necessary part in the fundamental diagram: 1 air intake valve for ease of explanation; 2 diatomite storage tanks; 3 spirals stir glassware; 4 cloth bags; 5 diatomite; Diatomite filtration chambers 6; 7 peep holes; 8 agitators; 9 air-introduced machines; 10 compressed air cylinders; 11 magnetic valves; 12 compressed air hoses; 13 valves; 14 waste recovery jars; 15 silencing means; 16 exhaust chimneys; 17 waste recovery valves.

Fig. 2 is Environmental Protection Agency's this examining report that uses novel case to do to forming device

The specific embodiment

Concrete enforcement of the present utility model can be set forth in conjunction with fundamental diagram.

The concrete basic procedure of implementing is to place diatomite in diatomite storage tank 2; Open spiral and stir glassware 3, make diatomite evenly enter pipeline; Open air-introduced machine 9, the negative pressure of utilizing air-introduced machine to produce makes the diatomite that enters pipeline evenly attached to cloth bag 4 surfaces, shows at cloth bag to form one deck diatomite filtration layer 5; At this moment, open air intake valve 1, the waste gas that captures is introduced diatomite filtration chamber 6, carry out adsorption cleaning by the diatomite filtration layer; And make pure air discharge 16 by exhaust chimney.

Experimental results show that, when handling the severe contamination situation, the cloth bag constructions of the diatomite filtration layer that uses is 100-120, respond well, at least be that cloth bag more than 88 is by structure distribution, and in research relatively repeatedly according to exhaust gas concentration with purify requirement, can do suitable adjustment, high concentration, strong wind capacity industrial waste gas are handled produce effects.

The concrete Operation and Maintenance of implementing is when cloth bag surface diatomite is shed to the diatomaceous earth filter conical lower portion automatically, starts blower fan: and start filter bottom spiral agitator 8, and make diatomite be evenly distributed to the cloth bag surface again.Technically should notice that the diatomite filtration layer has certain thickness, after filtering through certain hour, the top layer is saturated gradually; Ying Jing can reach making full use of of diatomite adsorption function after coming off and stirring again.

In concrete the enforcement, if the processing of moisture, after being the work certain hour, find to survey that diatomite reaches capacity and waste gas in contain certain moisture, cause cloth bag to show residual fraction diatomite difficult drop-off, when influencing absorption purifying effect, can open the magnetic valve 11 on compressed air cylinder 10 tops, pressure-air is entered cloth bag inside by compressed air hose 12 and valve 13, the diatomite that remains in the cloth bag surface is blown off to the conical lower portion of diatomite filtration chamber, open waste recovery valve 17 then, saturated diatomite is recycled to waste recovery jar 14, recycling, cycle applications.In force, also can be according to the heterogeneity and the temperature of waste gas, at the corresponding increase high boiling component of front equipment end separating tank, gs-oil separator, heat exchanger, the jet washing, cooling and absorbing workshop section is etc. effective measures, to reach the discharge standard that guarantees to be higher than environmental index.

The specific implementation method of the utility model device has been passed through the practical proof analysis in many industry production and the engineering construction, and from the adsorption theory angle, and can clearly summarize more extensively should have adaptability and scope; Resultant effect has demonstrated and can be higher than the useful processing of national standard to high concentration, strong wind capacity industrial waste gas.

Claims

1. the treating apparatus of a filtration, purification industrial waste gas, it is characterized in that exhaust piping and diatomite pipeline are connected to the bottom of diatomite filtration chamber (6), air intake valve (1) is installed before the exhaust piping, diatomite storage tank (2) is housed before the diatomite pipeline, spiral stirs glassware (3).Cloth bag (4) array of installing with hook mode is equipped with on the top of diatomite filtration chamber, and compressed air valve (13) is equipped with in cloth bag array top.Bottom, diatomite filtration chamber is a pyramidal structure, and agitator (8), waste recovery valve (17) and waste recovery jar (14) are housed.Exhaust chimney (16) is equipped with at top, right side, diatomite filtration chamber, and an air-introduced machine (9) is equipped with at the exhaust chimney middle part.

2. a kind of filtration, purification equipment for treating industrial waste gas as claimed in claim 1 is characterized in that the cloth bag array of minimum needs more than 88, is distributed in a plurality of filter courses of filter chamber.