CN212855132U

CN212855132U - Air filter for formaldehyde production

Info

Publication number: CN212855132U
Application number: CN202021223390.6U
Authority: CN
Inventors: 陶加才; 毛在兴; 王家臣; 胡家兴
Original assignee: Shandong Jiatai Chemical Technology Co ltd
Current assignee: Shandong Jiatai Chemical Technology Co ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-04-02
Anticipated expiration: 2030-06-29

Abstract

The utility model belongs to the filtration field specifically is an air cleaner for production formaldehyde, which comprises a base, the both sides of base top surface respectively fixedly connected with upwards stretch out and the bracing piece that is parallel to each other, left side the top fixedly connected with filter chamber of bracing piece, the filter screen is installed to the top of filter chamber. This device is through the design that adopts filtration sack and filter screen, cooperate washing unit's used jointly simultaneously, in the use of device, the filter screen can keep apart great foreign matter in the air, filter the particulate matter such as dust in the sack can completely cut off the air, and the air after the purification can outwards discharge again through the washing liquid, the washing liquid can reduce the dust in the air once more, the effect of filterable many times to the air has been realized, on having guaranteed that the device can be to the high-efficient filterable basis of air, can also improve the clear efficiency of filter screen, the practicality and the feasibility of this device have been embodied.

Description

Air filter for formaldehyde production

Technical Field

The utility model relates to an air filtration field specifically is an air cleaner for production formaldehyde.

Background

Formaldehyde is a colorless gas that is often used in the processing of industrial products and materials. The formaldehyde can be obtained by dehydrogenation or oxidation of methanol under the catalysis of metals such as silver, copper and the like, and can also be separated from hydrocarbon oxidation products. It is used as raw material for preparing agricultural chemicals and disinfectant, such as phenolic resin, urea-formaldehyde resin, vinylon, urotropine, pentaerythritol and dye. In the production process of formaldehyde, clean air is needed to be used in part of the process, and if the impurities contained in the air are high, the quality of the formaldehyde production can be affected, so that the produced formaldehyde needs to be filtered again.

In view of this, it is necessary to provide an air filter for air filtration in the formaldehyde production process to improve the air filtration efficiency and ensure the formaldehyde production quality.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

In order to solve the technical problems existing in the background technology, the utility model provides an air filter for producing formaldehyde, which can isolate foreign matters and impurities with different sizes; the filter screen is clean convenient and the filter quality is high.

(II) technical scheme

For solving the technical problem, the utility model provides an air cleaner for production formaldehyde, which comprises a base, the both sides difference fixedly connected with of pedestal top surface upwards stretch out and the bracing piece that is parallel to each other, the left side the top fixedly connected with filter chamber of bracing piece, the filter screen is installed to the top of filter chamber, the discharge gate that outwards stretches out has been cup jointed to the bottom surface of filter chamber, resilient means is installed respectively to the below of the filter chamber left and right sides, and both sides resilient means's side difference fixed connection is in the both sides of frame bottom surface, the top of frame has cup jointed and has filtered the sack, the right side the top fixedly connected with washing unit of bracing piece, the middle part of washing unit top surface is provided with sealed lid, and washing unit's bottom surface installs the control valve, install the pump machine between filter chamber and the washing unit.

Preferably, the filter screen is including the bearing, the bearing is installed in the top on filter chamber right side, the left and right sides of bearing is connected with the otter board respectively, and the right side fixedly connected with of filter chamber is located the strip of scraping of both sides about the otter board.

Preferably, the elastic device comprises a shell, the bottom surface of the inner cavity of the shell is fixedly connected to the bottom end of the spring, the top end of the spring is fixedly connected with the transmission rod, and the side surface of the transmission rod is fixedly connected to the bottom surface of the frame.

Preferably, the flushing device comprises a water tank, the upper side and the lower side of the inner cavity of the water tank are respectively and fixedly connected with positioning rings, the positioning rings on the two sides are respectively fixedly sleeved with a ventilation pipe, and the inner cavity of the water tank is filled with cleaning liquid.

Preferably, the periphery of the bottom surface of the base is fixedly connected with four bases, and the bottom surfaces of the four bases are on the same horizontal plane.

Preferably, the bottom surfaces of the filter chamber and the water tank are respectively outwards protruded, and the discharge port and the control valve are respectively located at the lowest position of the bottom surfaces of the filter chamber and the water tank.

Preferably, a movable groove is formed above the filter cavity, and the height value of the movable groove is larger than the thickness value of the screen plate.

The above technical scheme of the utility model has following profitable technological effect: this device is through the design that adopts filtration sack and filter screen, cooperate washing unit's used jointly simultaneously, in the use of device, the filter screen can keep apart great foreign matter in the air, filter the particulate matter such as dust in the sack can completely cut off the air, and the air after the purification can outwards discharge again through the washing liquid, the washing liquid can reduce the dust in the air once more, the effect of filterable many times to the air has been realized, on having guaranteed that the device can be to the high-efficient filterable basis of air, can also improve the clear efficiency of filter screen, the practicality and the feasibility of this device have been embodied.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

fig. 2 is a schematic view of the structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 4 is the schematic diagram of the filter screen structure of the present invention.

Reference numerals:

1. a base; 2. a support bar; 3. a filter chamber; 4. filtering with a screen; 41. a bearing; 42. a screen plate; 43. scraping the strips; 5. an elastic device; 51. a housing; 52. a spring; 53. a transmission rod; 6. a frame; 7. a filter cloth bag; 8. a discharge port; 9. a flushing device; 91. a water tank; 92. a positioning ring; 93. a vent pipe; 94. cleaning fluid; 10. a sealing cover; 11. a control valve; 12. and (4) a pump machine.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

FIG. 1 is a schematic sectional view of the present invention; the filter comprises a bearing 41, wherein the bearing 41 is arranged above the right side of the filter cavity 3, the left side and the right side of the bearing 41 are respectively connected with a screen plate 42, and the right side of the filter cavity 3 is fixedly connected with scraping strips 43 positioned on the upper side and the lower side of the screen plate 42. The bearing 41 enables the screen plate 42 to rotate, and the scraping strips 43 on the upper side and the lower side can scrape the screen plate 42 in the rotating process of the screen plate 42, so that the effect of quickly cleaning the screen plate 42 is achieved.

As shown in fig. 3, the utility model provides an air filter for formaldehyde production, including casing 51, the bottom surface fixed connection of casing 51 inner chamber is in the bottom of spring 52, and the top fixedly connected with transfer line 53 of spring 52, and the side fixed connection of transfer line 53 is in the bottom surface of frame 6. The transmission rod 53 is formed by connecting the frames 6, when the filtering cloth bag 7 is gathered with excessive impurities to cause poor filtering effect, the transmission rod 53 can be held by a hand and pressed downwards, and when the transmission rod 53 is loosened, the filtering cloth bag 7 can be quickly bounced upwards by the elastic acting force of the spring 52, so that dust and the like on the surface of the filtering cloth bag 7 can be shaken downwards.

In this embodiment, it includes water tank 91, and the upper and lower both sides of water tank 91 inner chamber are fixedly connected with holding ring 92 respectively, and both sides holding ring 92 is fixed respectively to cup joint has ventilation pipe 93, and the inner chamber of water tank 91 is filled with washing liquid 94. The water tank 91 is sealed, and when the pump 12 pumps purified air into the inner cavity of the water tank 91, the air is discharged through the cleaning liquid 94, so that the air is purified for many times.

As shown in fig. 1, four bases are fixedly connected to the periphery of the bottom surface of the base 1, and the bottom surfaces of the four bases are on the same horizontal plane. Through the design that adopts the base respectively around 1 bottom surface of base to the bottom surfaces of four bases are on same horizontal plane, make the base not only can provide the effort of support for the device, can also ensure the stability at device self.

It should be noted that the bottom surfaces of the filter chamber 3 and the water tank 91 are respectively protruded outwards, and the discharge port 8 and the control valve 11 are respectively located at the lowest position of the bottom surfaces of the filter chamber 3 and the water tank 91. The bottom surface of filter chamber 3 can outwards discharge the dust, is the main cavity that washing liquid 94 stored in the water tank 91, adopts outside convex design through the bottom surface with filter chamber 3 and water tank 91 respectively for dust and dirty washing liquid 94 can fully outwards discharge, avoids appearing remaining condition in filter chamber 3 and water tank 91.

In this embodiment, a movable trough is disposed above the filter chamber 3, and the height of the movable trough is greater than the thickness of the screen plate 42. Through the design of arranging the movable groove with a certain height value on the filter cavity 3, a movable space is left for the screen plate 42, and the subsequent cleaning operation of the screen plate 42 is ensured.

The utility model discloses a theory of operation and use flow: before use, the end of the right ventilation pipe 93 is connected with equipment for formaldehyde production, and then the power supply of the pump 12 is turned on to purify air for formaldehyde production. The operation of pump machine 12 can constantly extract external air, when the air passes through otter board 42 downstream, otter board 42 can completely cut off the great foreign matter in the air, and filter sack 7 can completely cut off dust and particulate matter in the air, when gathering too much dust on filter sack 7 and lead to the filter effect not good, can hand transfer line 53 and push down, after transfer line 53 loosens, the elastic effort of spring 52 self can make filter sack 7 upwards bounce fast, thereby make the dust on the filter sack 7 shake off downwards, and the dust that shakes off can outwards be discharged through discharge gate 8, after filter sack 7 filters the air, the air can be through washing liquid 94 and carry to the formaldehyde production facility in through ventilation pipe 93 on right side at last. When excessive impurities are accumulated on the screen plate 42, the screen plate 42 can be rotated, and the scraping strips 43 at the upper side and the lower side can scrape the screen plate 42 in the rotating process of the screen plate 42, so that the self-cleaning effect of the screen plate 42 is achieved.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. An air filter for producing formaldehyde comprises a base (1) and is characterized in that two sides of the top surface of the base (1) are respectively and fixedly connected with supporting rods (2) which extend upwards and are parallel to each other, a filtering cavity (3) is fixedly connected above the supporting rods (2) at the left side, a filter screen (4) is installed above the filtering cavity (3), a discharging port (8) which extends outwards is sleeved on the bottom surface of the filtering cavity (3), elastic devices (5) are respectively installed below the left side and the right side of the filtering cavity (3), the side surfaces of the elastic devices (5) at two sides are respectively and fixedly connected with two sides of the bottom surface of a frame (6), a filtering cloth bag (7) is sleeved above the frame (6), a flushing device (9) is fixedly connected above the supporting rods (2) at the right side, and a sealing cover (10) is arranged in the middle of the top surface of the flushing, and a control valve (11) is installed on the bottom surface of the flushing device (9), and a pump (12) is installed between the filter cavity (3) and the flushing device (9).

2. The air filter for producing formaldehyde as claimed in claim 1, wherein the filter screen (4) comprises a bearing (41), the bearing (41) is installed above the right side of the filter chamber (3), the left and right sides of the bearing (41) are respectively connected with a screen plate (42), and the right side of the filter chamber (3) is fixedly connected with scraping strips (43) located at the upper and lower sides of the screen plate (42).

3. The air filter for producing formaldehyde as claimed in claim 1, wherein the elastic device (5) comprises a housing (51), the bottom surface of the inner cavity of the housing (51) is fixedly connected to the bottom end of a spring (52), the top end of the spring (52) is fixedly connected with a transmission rod (53), and the side surface of the transmission rod (53) is fixedly connected to the bottom surface of the frame (6).

4. The air filter for producing formaldehyde as claimed in claim 1, wherein the flushing device (9) comprises a water tank (91), the upper and lower sides of the inner cavity of the water tank (91) are respectively fixedly connected with a positioning ring (92), the positioning rings (92) at the two sides are respectively fixedly connected with a ventilation pipe (93), and the inner cavity of the water tank (91) is filled with a cleaning solution (94).

5. The air filter for producing formaldehyde as claimed in claim 1, wherein four bases are fixedly connected to the periphery of the bottom surface of the base (1), and the bottom surfaces of the four bases are on the same horizontal plane.

6. The air filter for producing formaldehyde as claimed in claim 1, wherein the bottom surfaces of the filter chamber (3) and the water tank (91) are respectively convex outwards, and the discharge port (8) and the control valve (11) are respectively located at the lowest position of the bottom surfaces of the filter chamber (3) and the water tank (91).

7. The air filter for producing formaldehyde as claimed in claim 1, wherein a movable trough is provided above the filter chamber (3), and the height of the movable trough is greater than the thickness of the screen (42).