CN207119201U - A new environmental protection waste gas treatment device - Google Patents

Abstract

The utility model discloses a novel environment-friendly waste gas treatment device, which comprises a dust-containing waste gas input pipe, a primary filter, a one-way air inlet flap valve a, an air filter tank A, an air filter tank B and a return pipe, wherein the dust-containing waste gas input pipe is connected with the primary filter, the other end of the primary filter is connected with the one-way air inlet flap valve a through a pipeline, a valve, a stop block and a tension spring are arranged in the one-way air inlet flap valve a, the air outlet end of the one-way air inlet flap valve a is connected with the air inlet end of an air blower through a pipeline, the air outlet end of the air blower is communicated with an air homogenizing pipe through an air inlet pipe, and the two ends of the air homogenizing pipe; the dust-containing waste gas is convenient to filter and blow, and the waste gas is effectively purified; the circulating fan is started to convey air from one end of the gas collecting pipe to one end of the gas homogenizing pipe, the air is purified and treated by the air filtering tank A and the air filtering tank B again until the air is discharged up to the standard, and the full purification and discharge of waste gas are realized.

Description

A new environmental protection waste gas treatment device

technical field

The utility model relates to the field of waste gas treatment, in particular to a novel environmental protection waste gas treatment device.

Background technique

A large amount of dusty exhaust gas is produced in industrial or chemical production, and the exhaust gas has a strong smell. The exhaust gas contains certain oil fumes and harmful substances. Direct discharge will cause great pollution to the environment and seriously affect human health. Some existing enterprises process the waste gas before discharging, usually the waste gas is passed into the treatment equipment for purification and treatment, and the gas is discharged after treatment. Usually, the structure of the treatment equipment is complicated, the waste gas treatment is insufficient, and it is difficult to ensure the sufficient purification of the waste gas, especially for the insufficiently purified gas without further treatment process, resulting in the exhaust gas still containing a large amount of harmful substances, which cannot meet the treatment requirements of the waste gas.

Utility model content

The purpose of this utility model is to provide a new environmental protection waste gas treatment device to solve the problems raised in the above background technology.

In order to achieve the above object, the utility model provides the following technical solutions:

A new type of environmentally friendly waste gas treatment device, including a dusty waste gas input pipe, a primary filter, a one-way air intake flap valve a, an air filter tank A, an air filter tank B and a return pipe, the dusty waste gas input pipe is connected to the primary effect filter, the other end of the primary filter is connected to the one-way air intake flap valve a through a pipeline, and a valve, a stopper and a tension spring are installed inside the one-way air intake flap valve a, and the one-way air intake flap valve a comes out The air end is connected to the air inlet end of the blower through a pipe, and the air outlet end of the blower is connected to the air distribution pipe through the air intake pipe. The top is connected to the air collection pipe, the middle part of the upper end of the air collection pipe is connected to the exhaust pipe, and an exhaust valve is installed on the exhaust pipe. and circulation fan.

As a further solution of the utility model: a detachable filter screen is installed inside the primary filter.

As a further solution of the utility model: the number of the valves is 4 and they are hinged on the inner wall of the one-way air inlet flap valve a, and a stopper is installed on the air inlet side of the valve, which limits the position of the valve and prevents the valve from moving toward the inlet. The wind side rotates, and the air inlet side of the valve is connected with a tension spring, and the other end of the tension spring is fixed on the inner wall of the one-way air inlet flap valve a.

As a further solution of the utility model: the air filter tank A and the air filter tank B have the same structure.

As a further solution of the present utility model: the air filter tank A is equipped with an oil fume adsorption layer and an activated carbon fiber adsorption layer, and the oil fume adsorption layer is arranged at the bottom of the activated carbon fiber adsorption layer.

As a further solution of the utility model: the structure of the one-way air inlet flap valve b is the same as that of the one-way inlet flap valve a, and the air in the return pipe flows from one end of the air collecting pipe to one end of the air uniform pipe.

Compared with the prior art, the utility model has the beneficial effects that: the novel environmental protection waste gas treatment device has simple structure, convenient operation, and is convenient for filtering and blowing dusty waste gas. After the oil fume adsorption layer and activated carbon fiber adsorption layer in B are degreased and purified, the exhaust gas can be effectively purified; the circulation fan starts to transport the air from the end of the air collecting pipe to the end of the air uniform pipe, and the air passes through the air filter tank A and the air filter tank B again Purification treatment, until the discharge reaches the standard, and the exhaust gas is fully purified and discharged.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a structural schematic diagram of the one-way air inlet valve a in the utility model.

Fig. 3 is a schematic cross-sectional view of the one-way air inlet valve a in the utility model.

In the figure: 1- Dusty exhaust gas input pipe, 2- Primary filter, 21- Detachable filter, 3- One-way inlet flap valve a, 31- Valve, 32- Block, 33- Extension spring, 4 -Blower, 5-intake pipe, 6-air uniform pipe, 7-air filter tank A, 71-oil fume adsorption layer, 72-activated carbon fiber adsorption layer, 8-air collection pipe, 9-air filter tank B, 10-one-way inlet Disc valve b, 11-circulation fan, 12-return pipe, 13-exhaust valve, 14-exhaust pipe.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1 to 3. In the embodiment of the present utility model, a new type of environmentally friendly waste gas treatment device includes dusty waste gas input pipe 1, primary filter 2, one-way air intake valve a3, air filter tank A7, air The filter tank B9 and the return pipe 12, the dust-laden waste gas input pipe 1 is connected to the primary filter 2, the primary filter 2 is equipped with a detachable filter screen 21, and the other end of the primary filter 2 is connected to a one-way connection through a pipeline. Inlet flap valve a3, valve 31, block 32 and extension spring 33 are installed inside one-way inlet flap valve a3, the quantity of described valve 31 is 4 and is hinged on the inner wall of one-way inlet flap valve a3, valve The air inlet side of 31 is equipped with a stopper 32, and the stopper 32 limits the position of the valve 31 to prevent the valve 31 from rotating towards the air inlet side. The air inlet side of the valve 31 is connected with a tension spring 33, and the other end of the tension spring 33 is fixed on On the inner wall of the one-way inlet flap valve a3, when there is no gas input, the tension spring 33 pulls the valve 31 against the stopper 32, and the four valves 31 are in the same plane and block the one-way inlet flap valve a3, realizing one-way The airtightness of the air inlet flap valve a3, when there is gas input, the air pressure on the air inlet side of the valve 31 is greater than the air pressure on the other side, and the valve 31 is affected by the air flow to pull the tension spring 33 and rotate toward the air outlet side of the valve 31, thereby realizing air flow one-way flow.

The air outlet end of the one-way air intake flap valve a3 is connected to the air inlet end of the blower 4 through a pipeline, and the air outlet end of the blower 4 is connected to the air uniform pipe 6 through the air inlet pipe 5, and the two ends of the air uniform pipe 6 are respectively connected to the air filter tank A7 and the air The filter tank B9, the air filter tank A7 and the air filter tank B9 have the same structure, the oil fume adsorption layer 71 and the activated carbon fiber adsorption layer 72 are installed in the air filter tank A7, the oil fume adsorption layer 71 is arranged on the activated carbon fiber adsorption layer 72 Bottom; the top of the air filter tank A7 and the air filter tank B9 is connected to the air collecting pipe 8, and the middle part of the upper end of the air collecting pipe 8 is connected to the exhaust pipe 14, and the exhaust valve 13 is installed on the exhaust pipe 14.

A return pipe 12 is connected between the air collection pipe 8 and the air uniform pipe 6, and a one-way air inlet valve b10 and a circulation fan 11 are installed on the return pipe 12. The structure of the one-way air inlet valve b10 is similar to that of the one-way air inlet The flap valve a3 has the same structure, and the air in the return pipe 12 flows from one end of the air collecting pipe 8 to one end of the air uniform pipe 6 .

The working principle of the utility model is: the dusty exhaust gas is input into the primary effect filter 2 to filter the particulate impurities in the exhaust gas through the dusty exhaust gas input pipe 1, and the primary effect filter 2 is opened regularly to facilitate the replacement of the detachable filter screen 21 and to facilitate the particulate matter Exhaust of impurities; the filtered waste gas enters the blower 4 through the one-way air intake flap valve a3, and is blown into the air uniform pipe 6 by the blower 4, and the waste gas enters the air filter tank A7 and the air filter tank B9, and passes through the oil fume adsorption layer 71 and activated carbon After the fiber adsorption layer 72 is degreased and purified, it enters the air collecting pipe 8, and the purified gas is discharged from the exhaust pipe 14 after reaching the standard. At one end of the air uniform pipe 6, the air is purified again through the air filter tank A7 and the air filter tank B9 until it is discharged up to the standard, and the exhaust gas is fully purified and discharged.

The system and device used to detect whether the air reaches the standard in this application belongs to the existing detection technology, which can be obtained by those skilled in the art based on common knowledge and actual needs, and will not be described in detail here.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. In the description of this manual, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediary, and it can be the internal communication of two elements. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to be All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (6)

1. a kind of novel environment friendly emission-control equipment, including dust-laden exhaust gas input pipe (1), roughing efficiency air filter (2), one-way air inlet valve Valve a (3), air filtration tank A (7), air filtration tank B (9) and return duct (12), it is characterised in that the dust-laden exhaust gas input (1) connection roughing efficiency air filter (2) is managed, roughing efficiency air filter (2) other end connects through pipeline connection one-way air inlet clack valve a (3), single Valve (31), block (32) and extension spring (33), one-way air inlet clack valve a (3) air-out are installed inside to air inlet clack valve a (3) End connects the air intake of air blower (4) by pipeline, and the outlet air end of air blower (4) connects even tracheae (6) by air inlet pipe (5), Even tracheae (6) both ends connect air filtration tank A (7) and air filtration tank B (9), the air filtration tank A (7) and air respectively Connection discharge (8) at the top of filtering tank B (9), discharge (8) upper center connection blast pipe (14), blast pipe are installed on (14) There is air bleeding valve (13), return duct (12) is connected between the discharge (8) and even tracheae (6), return duct is provided with (12) One-way air inlet clack valve b (10) and circulating fan (11).

A kind of 2. novel environment friendly emission-control equipment according to claim 1, it is characterised in that the roughing efficiency air filter (2) it is internal that detachable filter screen (21) is installed.

A kind of 3. novel environment friendly emission-control equipment according to claim 1, it is characterised in that the number of the valve (31) Measure as 4 and be hinged on one-way air inlet clack valve a (3) inwall, the inlet side of valve (31) is provided with block (32), block (32) To valve (31) position restriction, prevent valve (31) from being rotated towards inlet side, the inlet side of the valve (31) is connected with extension spring (33), extension spring (33) other end is fixed on one-way air inlet clack valve a (3) inwall.

A kind of 4. novel environment friendly emission-control equipment according to claim 1, it is characterised in that the air filtration tank A (7) it is identical with air filtration tank B (9) structure.

A kind of 5. novel environment friendly emission-control equipment according to claim 1, it is characterised in that the air filtration tank A (7) oil smoke adsorption layer (71) and carbon fiber adsorption and catalytic combustion layer (72) are installed in, oil smoke adsorption layer (71) is arranged on active carbon fibre Tie up the bottom of adsorption layer (72).

A kind of 6. novel environment friendly emission-control equipment according to claim 1, it is characterised in that the one-way air inlet clack valve B (10) structure is identical with one-way air inlet clack valve a (3) structure, and return duct (12) interior air flows to even gas from discharge (8) one end Manage (6) one end.