CN212974624U - Environment-friendly equipment for filtering waste gas - Google Patents

Abstract

The utility model discloses an environmental protection equipment for exhaust gas filtration, including the rose box, the bottom surface of rose box is equipped with the support column of symmetry. A be used for filterable environmental protection equipment of waste gas, first filter equipment through the installation, the dwang through servo motor drives the alkali liquor in the continuous contact filter case of thin filter screen on the fixed column, and make oil smoke waste gas contact the thin filter screen after again, the material of alkali liquor in to oil smoke waste gas by on the thin filter screen is hydrolysised, form the material of easily soluble in water, thereby realize the one-level filtration, increase the utilization ratio of alkali liquor and reduce the energy consumption, and the device has avoided carrying out the operation of clearing up to internal installation, meanwhile, the second filter equipment of installation, its effect lies in, make the oil smoke waste gas after the one-level filtration, when passing through the device, tiny organic substance can be adsorbed in the oil smoke waste gas and filter the cotton at the active carbon, thereby reach the effect of second grade filtration, and it is all very convenient that the device installs and dismantles when clearing up.

Description

Environment-friendly equipment for filtering waste gas

Technical Field

The utility model relates to a waste gas filters the environmental protection field, in particular to be used for filterable environmental protection equipment of waste gas.

Background

Along with the continuous development of economy, small-size food processing factory has all been built in some rural areas, the development of rural economy is driven in the production food, however when food processing factory operates, can discharge a large amount of oil smoke waste gas in the department, can cause great influence to the environment, the country has special regulation's oil smoke emission standard, this has just involved oil smoke exhaust gas purification device's use, current oil smoke filter equipment is through alkali lye spraying filtration mode processing oil smoke waste gas, adopt alkali lye as the detergent, then contact with the oil smoke through the mode that sprays and purify the oil smoke, the utilization ratio of alkali lye has been reduced like this, and the energy consumption is great, this kind of current oil smoke filter equipment only carries out simple one-level filtration simultaneously, do not handle the organic biomass in the oil smoke waste gas.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides an environmental protection equipment for exhaust gas filters, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an environmental protection equipment for waste gas filtration, includes the rose box, the bottom surface of rose box is equipped with the support column of symmetry, the left side of rose box is equipped with the intake pipe, the top surface of rose box is equipped with trades the liquid device, the inside of rose box is equipped with first filter equipment, the right side of rose box is equipped with the blast pipe, the inside second filter equipment that is equipped with of front end pipeline of blast pipe, the right side bottom of rose box is equipped with the drain valve.

Preferably, it comprises with the liquid change lid to trade the liquid device, it runs through the top surface of rose box and is located inside the box to trade the liquid pipe, the intraductal top position fixed mounting of liquid change pipe has the internal thread, fixed mounting has the fixed block on the inner wall of the liquid change pipe of internal thread below position, the top surface fixed mounting of fixed block has seal ring and seal ring is located the internal thread lower extreme, and the bottom position fixed mounting who trades the liquid lid has the external screw thread, trade the liquid lid and trade the liquid pipe and pass through internal thread and external screw thread interconnect, and its effect lies in, carries out periodic change to the alkali lye in the rose box to prevent volatilizing behind the alkali lye contact air and the leakage of oil smoke waste gas.

Preferably, first filter equipment comprises fixed column, filter frame, thin filter screen, dwang, servo motor and backup pad, fixed mounting has the backup pad on the rear wall of rose box, fixed mounting has servo motor on the top surface of backup pad, servo motor's front end movable mounting has the dwang, the dwang runs through filter box and fixed connection on the bottom of fixed column, the fixed column is located the incasement of filter box and the side fixed mounting of fixed column has four filter frames, fixed mounting has thin filter screen in the frame of filter frame, and its effect lies in, hydrolysises oil smoke waste gas through alkali lye, accomplishes first heavily filterable effect.

Preferably, the second filtering device comprises a filtering ring, activated carbon filter cotton, a pressure spring, a clamping block and a stop block, wherein the activated carbon filter cotton is fixedly installed on the filtering ring, spring grooves which are symmetrical to each other are formed in the upper end wall, the lower end wall, the left end wall and the right end wall of the filtering ring, the pressure spring is fixedly installed at the inner bottom end of the groove of the spring groove, the clamping block is fixedly installed at the top end of the pressure spring, and the stop block is fixedly installed on the inner wall of the front end of the groove of the spring groove.

Preferably, the inner walls of the upper end pipe, the lower end pipe, the left end pipe and the right end pipe of the exhaust pipe are provided with mutually symmetrical clamping grooves which are used for facilitating the second filtering device to be installed in the exhaust pipe.

Compared with the prior art, the utility model discloses following beneficial effect has:

in the utility model, the first filtering device is installed, the thin filter screen on the fixed column is driven by the rotating rod of the servo motor to continuously contact the alkali liquor in the filtering box, and the oil smoke waste gas is contacted with the thin filter screen again, the alkali liquor on the thin filter screen hydrolyzes the substance in the oil smoke waste gas to form the substance which is easy to dissolve in water, thereby realizing first-stage filtering, increasing the utilization rate of the alkali liquor and reducing the energy consumption, and the device avoids the operation of cleaning the internal device, meanwhile, the second filtering device is installed and has the function of leading the oil smoke waste gas after the first-stage filtering to be absorbed on the active carbon filter cotton when passing through the device, thereby achieving the function of second-stage filtering, and the device is convenient to install and disassemble when cleaning, the installed liquid changing device has the function of periodically changing the alkali liquor in the filtering box, and prevent the alkali liquor from volatilizing and preventing the oil smoke waste gas from leaking after contacting the air.

Drawings

FIG. 1 is a schematic view of the overall structure of an environmental protection device for filtering exhaust gas according to the present invention;

FIG. 2 is a schematic view of an overall installation structure of a fixing column and a filter frame of the environmental protection equipment for filtering exhaust gas according to the present invention;

FIG. 3 is a schematic cross-sectional view of a second filtering device of an environmental protection apparatus for filtering exhaust gas according to the present invention;

fig. 4 is a schematic plane connection diagram between the fixing column, the rotating rod and the servo motor of the environmental protection device for filtering waste gas according to the present invention;

FIG. 5 is a schematic plan sectional view of a liquid changing device of an environmental protection apparatus for filtering exhaust gas according to the present invention;

fig. 6 is a schematic side sectional view of a plastic exhaust pipe of an environmental protection device for filtering waste gas.

In the figure: 1. a filter box; 2. a support pillar; 3. an air inlet pipe; 4. a liquid changing device; 5. a first filtering device; 6. an exhaust pipe; 7. a second filtering device; 8. a drain valve; 9. fixing a column; 10. a filter frame; 11. A fine filter screen; 12. a filter ring; 13. activated carbon filter cotton; 14. a spring slot; 15. a pressure spring; 16. A clamping block; 17. a stopper; 18. rotating the rod; 19. a servo motor; 20. a support plate; 21. a liquid changing pipe; 22. a fixed block; 23. a sealing gasket; 24. an internal thread; 25. a liquid changing cover; 26. an external thread; 27. A clamping groove.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-6, an environmental protection device for filtering waste gas comprises a filter box 1, wherein symmetrical support columns 2 are arranged on the bottom surface of the filter box 1, an air inlet pipe 3 is arranged on the left side of the filter box 1, a liquid changing device 4 is arranged on the top surface of the filter box 1, a first filtering device 5 is arranged inside the filter box 1, an exhaust pipe 6 is arranged on the right side of the filter box 1, a second filtering device 7 is arranged inside a front end pipeline of the exhaust pipe 6, and a drain valve 8 is arranged at the bottom end of the right side of the filter box 1.

In this embodiment, in order to facilitate the regular replacement of the alkali liquor in the filtering tank 1 and prevent the volatilization of the alkali liquor and the leakage of the oil smoke exhaust gas, the liquid changing device 4 is composed of a liquid changing pipe 21 and a liquid changing cover 25, the liquid changing pipe 21 penetrates through the top surface of the filtering tank 1 and is positioned inside the tank body, an internal thread 24 is fixedly installed at the top end part in the pipe of the liquid changing pipe 21, a fixing block 22 is fixedly installed on the inner wall of the liquid changing pipe 21 at the position below the internal thread 24, a sealing washer 23 is fixedly installed on the top surface of the fixing block 22 and the sealing washer 23 is positioned at the lower end of the internal thread 24, an external thread 26 is fixedly installed at the bottom end part of the liquid changing cover 25, the, the liquid-changing cap 25 can be screwed out of the liquid-changing pipe 21 by the connection of the internal thread 24 and the external thread 26, so as to change the lye in the filter box 1, and a sealing washer 23 installed in the liquid change pipe 21 prevents the alkali solution from being volatilized and the oil smoke exhaust gas from leaking.

In this embodiment, in order to perform a first layer of filtering treatment on the oil smoke waste gas, the first filtering device 5 comprises a fixed column 9, a filtering frame 10, a fine filtering net 11, a rotating rod 18, a servo motor 19 and a supporting plate 20, the supporting plate 20 is fixedly installed on the rear wall of the filtering box 1, the servo motor 19 is fixedly installed on the top surface of the supporting plate 20, the rotating rod 18 is movably installed at the front end of the servo motor 19, the rotating rod 18 penetrates through the filtering box 1 and is fixedly connected to the bottom end of the fixed column 9, the fixed column 9 is located in the filtering box 1, four filtering frames 10 are fixedly installed on the side surfaces of the fixed column 9, the fine filtering net 11 is fixedly installed in the filtering frame 10, the fine filtering net 11 installed on the filtering frame 10 continuously contacts with the alkali liquor and then contacts with the oil smoke waste gas, the alkali liquor attached to the fine filtering net 11 is used for performing hydrolysis filtering on the oil, while also avoiding cleaning operations on the device.

In the embodiment, in order to process the oil smoke waste gas after the first layer of filtering treatment again, the second filtering device 7 is composed of a filtering ring 12, activated carbon filter cotton 13, a pressure spring 15, a fixture block 16 and a stop block 17, the filtering ring 12 is fixedly provided with the activated carbon filter cotton 13, the upper, lower, left and right end walls of the filtering ring 12 are provided with spring grooves 14 which are symmetrical with each other, the inner bottom end of the spring groove 14 is fixedly provided with the pressure spring 15, the top end of the pressure spring 15 is fixedly provided with the fixture block 16, the inner wall of the front end of the groove of the spring groove 14 is fixedly provided with the stop block 17, after the oil smoke waste gas after the first layer of filtration treatment passes through the activated carbon filter cotton 13 on the device, some fine organic substances in the oil smoke exhaust gas can be adsorbed on the active carbon filter cotton 13, the second layer of filtering treatment of the oil smoke waste gas is completed, and meanwhile, the device is more convenient to mount and dismount when being cleaned and used.

In addition, the inner walls of the upper, lower, left and right end pipes of the exhaust pipe 6 are provided with mutually symmetrical clamping grooves 27, and the clamping grooves 27 are used for facilitating the installation of the second filtering device 7.

It should be noted that, the utility model relates to an environmental protection equipment for filtering exhaust gas, when using the equipment, at first use the second filter device 7, put the second filter device 7 into the exhaust pipe 6, when putting into the process, the fixture block 16 on the filter ring 12 will receive the inner wall of the exhaust pipe 6 to support the pressure, the fixture block 16 will make the retraction movement through the pressure spring 15 installed at the bottom end, and will be supported to the spring groove 14, after pushing a distance into the pipe of the exhaust pipe 6, the fixture block 16 will remove the pressure on the inner wall of the exhaust pipe 6, the pressure spring 15 at the bottom end of the fixture block 16 will make the elastic movement, and support the fixture block 16 to the mutually symmetrical clamping grooves 27 arranged at the upper, lower, left and right ends of the inner wall of the exhaust pipe 6, and the stop block 17 at the front end of the inner wall of the spring groove 14 is used to prevent the pressure spring 15 from popping out from the spring groove 14, so that the second filter device 7 is fixedly installed inside the exhaust pipe 6, after the operation is finished, the first filtering device 5 is used, the power supply of the servo motor 19 on the supporting plate 20 is turned on, the rotating rod 18 at the front end of the servo motor 19 drives the fixing column 9 to rotate, meanwhile, the fine filter screen 11 fixedly installed in the filter frame 10 on the fixing column 9 can be continuously contacted with the alkali liquor in the filter box 1, when the oil smoke waste gas enters the interior of the filter box 1 through the air inlet pipe 3, the oil smoke waste gas can be contacted with the fine filter screen 11 in the filter frame 10, the alkali liquor attached to the fine filter screen 11 from the filter box 1 can hydrolyze substances in the oil smoke waste gas, meanwhile, in the continuous rotation process, the substances on the fine filter screen 11 can be brought into the alkali liquor in the filter box 1 and finish the first re-filtering, meanwhile, the oil smoke waste gas flowing from the filter box 1 can be contacted with the activated carbon filter cotton 13 installed on the second filtering device 7 after entering the exhaust pipe 6, and some tiny organic matters in the oil smoke waste gas can be attached to the activated carbon filter cotton 13, at this moment, the second secondary filtration is finished, after working for a certain time, alkali liquor in the filter box 1 is periodically replaced through the liquid replacing device 4, because the liquid replacing cover 25 and the liquid replacing pipe 21 are connected through the internal thread 24 and the external thread 26, the liquid replacing cover 25 is directly screwed out, the drain valve 8 on the right side of the filter box 1 is opened to remove the alkali liquor in the filter box 1, new alkali liquor is poured into the filter box 1 from the liquid replacing pipe 21, the liquid replacing cover 25 is installed on the liquid replacing pipe 21 through reverse operation, wherein the sealing gasket 23 installed on the fixing block 22 in the liquid replacing pipe 21 is used for preventing the oil smoke waste gas from leaking and the alkali liquor in the filter box 1 from evaporating, and the supporting column 2 is used for supporting the whole device all the time.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. An environmental protection equipment for filtering waste gas, which is characterized in that: including rose box (1), the bottom surface of rose box (1) is equipped with support column (2) of symmetry, the left side of rose box (1) is equipped with intake pipe (3), the top surface of rose box (1) is equipped with trades liquid device (4), the inside of rose box (1) is equipped with first filter equipment (5), the right side of rose box (1) is equipped with blast pipe (6), the front end pipeline inside of blast pipe (6) is equipped with second filter equipment (7), the right side bottom of rose box (1) is equipped with drain valve (8).

2. An environmentally friendly device for exhaust gas filtration according to claim 1, wherein: trade liquid device (4) by liquid changing pipe (21) and trade liquid lid (25) and constitute, inside liquid changing pipe (21) run through the top surface of rose box (1) and lie in the box, the intraductal top position fixed mounting of liquid changing pipe (21) has internal thread (24), fixed mounting has fixed block (22) on the inner wall of liquid changing pipe (21) of internal thread (24) below position, the top surface fixed mounting of fixed block (22) has seal ring (23) and seal ring (23) are located the lower extreme of internal thread (24), and the bottom position fixed mounting who trades liquid lid (25) has external screw thread (26), trade liquid lid (25) and liquid changing pipe (21) through internal thread (24) and external screw thread (26) interconnect.

3. An environmentally friendly device for exhaust gas filtration according to claim 1, wherein: first filter equipment (5) comprise fixed column (9), filter frame (10), thin filter screen (11), dwang (18), servo motor (19) and backup pad (20), fixed mounting has backup pad (20) on the rear wall of rose box (1), fixed mounting has servo motor (19) on the top surface of backup pad (20), the front end movable mounting of servo motor (19) has dwang (18), dwang (18) run through filter box (1) and fixed connection on the bottom of fixed column (9), fixed column (9) are located the incasement of rose box (1) and the side fixed mounting of fixed column (9) has four filter frame (10), the frame internal fixation who filters frame (10) has thin filter screen (11).

4. An environmentally friendly device for exhaust gas filtration according to claim 1, wherein: second filter equipment (7) are crossed filter pulp (13), compression spring (15), fixture block (16) and dog (17) by filter ring (12), active carbon and are constituteed, filter ring (12) and go up fixed mounting and have active carbon to cross filter pulp (13), set up spring groove (14) of mutual symmetry on the upper and lower left and right sides end wall of filter ring (12), the inslot bottom fixed mounting of spring groove (14) has compression spring (15), the top fixed mounting of compression spring (15) has fixture block (16), fixed mounting has dog (17) on the groove front end inner wall of spring groove (14).

5. An environmentally friendly device for exhaust gas filtration according to claim 1, wherein: the inner walls of the upper end pipe, the lower end pipe, the left end pipe and the right end pipe of the exhaust pipe (6) are provided with clamping grooves (27) which are symmetrical with each other.

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