CN211069515U

CN211069515U - Exhaust purification system for ceramic vacuum tube glazing line

Info

Publication number: CN211069515U
Application number: CN201921694707.1U
Authority: CN
Inventors: 陈脉; 陈舒庆
Original assignee: Hubei Xinshiqi Electric Ceramic Technology Co ltd
Current assignee: Hubei Xinshiqi Electric Ceramic Technology Co ltd
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2020-07-24
Anticipated expiration: 2029-10-11

Abstract

The utility model relates to a ceramic vacuum tube production technical field discloses an exhaust purification system for ceramic vacuum tube is glazed porcelain on-line, including the ground and be located the first deposit room on the ground, second deposit room and evacuation chimney, first axial fan passes through first axial fan and intake stack and ceramic vacuum tube glazing machine's gas outlet intercommunication, be equipped with the vent between second deposit room and the first deposit room, the vent below is equipped with the cistern, the cistern passes through the external purification tank of drainage water pump and drainage pipe, the vent top is equipped with the water curtain dust removal unit that corresponds with the vent, the evacuation chimney passes through the vertical second deposit room top of connecting of second axial fan. The exhaust of ceramic vacuum tube glaze spraying operation is filtered and purified through this clean system for glaze powder and other particulate matters in the exhaust purify completely, and the exhaust of arranging in the atmosphere satisfies the emission requirement, protects environment and health.

Description

Exhaust purification system for ceramic vacuum tube glazing line

Technical Field

The utility model relates to a ceramic vacuum tube production technical field, concretely relates to an exhaust purification system for on ceramic vacuum tube glazing line.

Background

In the production and processing process of ceramic vacuum tubes, a glazing process is involved, at present, manual glaze spraying is mainly used, but the main defects are as follows:

(1) the fluctuation of glaze spraying quality is large;

(2) the working environment is poor, and the dust is large;

(3) the loss of the glaze slip is large,

therefore, some enterprises have started transformation, and the realization of automatic glaze spraying on a semi-automatic glazing production line is gradually taken as a breakthrough point. In the automatic glaze spraying process, a large amount of glaze-containing dust is generated in the air, and if the glaze-containing dust is not recycled and removed, the environment is polluted and the human health is harmed.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in: when glazing porcelain to above-mentioned ceramic vacuum tube metallization product, unnecessary glaze powder polluted environment and harm health's problem in the exhaust, the utility model provides an exhaust purification system for on ceramic vacuum tube glazing porcelain line will spray glaze unnecessary glaze powder in the exhaust of operation and purify the recovery, when reducing the material waste, protected environment and health.

In order to solve the technical problems, the technical scheme provided by the invention is as follows:

the exhaust purification system used on the ceramic vacuum tube glazing line comprises a foundation, a first settling chamber, a second settling chamber and an evacuation chimney, wherein the first settling chamber and the second settling chamber are positioned on the foundation;

an air inlet is formed in one side of the first settling chamber, a first axial flow fan is arranged at the air inlet and is communicated with an air outlet of the ceramic vacuum tube glazing machine through a ventilating pipeline;

the second settling chamber is positioned on one side of the first settling chamber, a partition wall is arranged between the first settling chamber and the second settling chamber, a vent is arranged at the bottom of the partition wall, a water storage pool is arranged on a foundation below the vent, a water outlet is arranged at the bottom of the water storage pool, and the water outlet is externally connected with a purification pool through a water drainage pump and a water drainage pipeline;

a water curtain dust removal unit corresponding to the ventilation opening is arranged above the ventilation opening, and is externally connected with a water supply tank through a high-pressure water pump and a water supply pipeline;

the top of the second settling chamber is provided with an evacuation port, a second axial flow fan is arranged at the evacuation port, and the evacuation chimney is vertically connected to an air outlet of the second axial flow fan.

Furthermore, the water curtain dust removal unit comprises a water spray branch pipe and a plurality of water curtain spray heads uniformly arranged on the water spray branch pipe, the water spray branch pipe is fixed on the partition wall through a group of pipe supports, and the water spray angle of the water curtain spray heads is adjustable.

Furthermore, a honeycomb-shaped ceramic particle catcher for further filtering glaze powder is arranged at the top of the second settling chamber.

Furthermore, a liquid level switch electrically connected with the drainage water pump is arranged in the reservoir.

Furthermore, the bottom of the water storage tank is provided with a slope forming an included angle theta with the horizontal plane, theta is smaller than 10 degrees, and the water discharge port is located at the lowest position of the water storage tank.

Further, first settling chamber one side is equipped with first access hole, second settling chamber one side is equipped with the second access hole, the second settling chamber top is equipped with the third access hole that corresponds with ceramic particle trap.

Furthermore, air intake and vent department are equipped with first filter screen and second filter screen respectively.

Further, the vertical height of the evacuation chimney is not less than 9.6 m, and the top of the evacuation chimney is provided with a 90-degree bend.

Compared with the prior art, the utility model has the advantages of:

the exhaust of the ceramic vacuum tube glaze spraying operation is subjected to primary sedimentation through the first sedimentation chamber, water curtain dedusting is performed by the water curtain dedusting unit between the first sedimentation chamber and the second sedimentation chamber, and secondary sedimentation is performed in the second sedimentation chamber, so that glaze powder and other particulate matters in the exhaust are completely purified, the exhaust discharged into the atmosphere through the exhaust chimney meets the emission requirement, and the environment is protected.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Figure 1 is a schematic overall structure diagram of the embodiment of the invention,

figure 2 is a front view of figure 1 and a cross-sectional view a-a,

figure 3 is a perspective view of the front view of figure 2,

figure 4 is a structural schematic diagram of the water curtain dust removal unit 7,

fig. 5 is a top view on the basis of fig. 1, after removal of the top of the first settling chamber 2, the top of the second settling chamber 3 and evacuation of the chimney 4,

the reference numbers are as follows:

the device comprises a foundation 1, a reservoir 11, a water outlet 12, a first settling chamber 2, an air inlet 21, a partition wall 22, a ventilation opening 23, a first access hole 24, a second settling chamber 3, an evacuation opening 31, a second access hole 32, a third access hole 33, an evacuation chimney 4, a first axial flow fan 5, a drainage water pump 6, a water curtain dust removal unit 7, a water spray branch pipe 71, a water curtain spray head 72, a pipe bracket 73, a high-pressure water pump 8, a second axial flow fan 9, a ceramic particle catcher 10, a first filter screen 101 and a second filter screen 102.

Detailed Description

In order to make the technical solution of the present invention better understood, the present invention is described in detail below with reference to the accompanying drawings, and the description of the present invention is only exemplary and explanatory, and should not be construed as limiting the scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like refer to the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that the utility model is usually placed when in use, and are used for convenience of description and simplification of description, but do not refer to or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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.

Referring to fig. 1 to 5, the present invention provides a technical solution:

the exhaust purification system used on the ceramic vacuum tube glazing line comprises a foundation 1, a first settling chamber 2, a second settling chamber 3 and an evacuation chimney 4, wherein the first settling chamber 2, the second settling chamber 3 and the evacuation chimney are positioned on the foundation 1;

an air inlet 21 is formed in one side of the first settling chamber 2, a first axial flow fan 5 is arranged at the position of the air inlet 21, the first axial flow fan 5 is communicated with an air outlet of the ceramic vacuum tube glazing machine through a ventilation pipeline, a first filter screen 101 corresponding to the first axial flow fan 5 is arranged at the position of the air inlet 21, and exhaust gas generated by the ceramic vacuum tube glazing operation is pumped into the first settling chamber 2 through the ventilation pipeline for primary settling by the first axial flow fan 5;

the second settling chamber 3 is positioned on one side of the first settling chamber 2, a partition wall 22 is arranged between the first settling chamber and the second settling chamber, a vent 23 is arranged at the bottom of the partition wall 22, a second filter screen 102 is arranged at the vent 23, a water curtain dust removal unit 7 corresponding to the vent 23 is arranged above the vent 23, the water curtain dust removal unit 7 comprises a water spray branch pipe 71 and a plurality of water curtain spray heads 72 uniformly arranged on the water spray branch pipe 71, the water spray branch pipe 71 is fixed on the partition wall 22 through a group of pipe supports 73, the water spray angle of the water curtain spray heads 72 is adjustable, and the water spray branch pipe 71 is externally connected with a water supply tank through a high;

the foundation 1 below the vent 23 is provided with a reservoir 11, the bottom of the reservoir 11 is provided with a slope forming an included angle theta with the horizontal plane, the theta is 8 degrees, the water outlet 12 is positioned at the lowest position of the bottom of the reservoir 11, the water outlet 12 is externally connected with a purification tank through a water discharge pump 6 and a water discharge pipeline, after exhaust gas is settled through a first settling chamber 2, the exhaust gas is purified through a water curtain dust removal unit 7 before entering a second settling chamber 3, meanwhile, water sprayed by a water curtain spray head 72 can also carry out necessary cleaning on a second filter screen 102, the purified water containing glaze powder is stored in the reservoir for further settlement, when the water level in the reservoir 11 reaches a certain level, the water discharge pump 6 and the water discharge pipeline pump at the bottom of the reservoir 11 are pumped into the purification tank, and the final treatment is carried out on the drain water in the purification tank so as to realize the recovery and reuse of the glaze powder, the purified drained water can be pumped into a water supply tank through one part, so that the water is recycled, and the water resource is saved;

the top of the second settling chamber 3 is provided with an evacuation port 31, a honeycomb-shaped ceramic particle catcher 10 is arranged below the evacuation port 31 and used for further filtering and purifying glaze powder and other particles in the exhaust gas, a second axial flow fan 9 is arranged at the evacuation port 31, an evacuation chimney 4 is vertically connected to an air outlet of the second axial flow fan 9, the second axial flow fan 9 draws air, and the purified exhaust gas is discharged into the atmosphere.

Preferably, a liquid level switch electrically connected with the drainage water pump 6 is arranged in the reservoir 11, when the liquid level in the reservoir 11 is low, the drainage water pump 6 does not work, when the liquid level in the reservoir 11 reaches a preset height, the liquid level switch is closed to enable the drainage water pump 6 to be powered on to start working, and water stored in the reservoir 11 is pumped to the purification tank to reduce the liquid level of the reservoir 11 so as to prevent the water in the reservoir 11 from overflowing, and it should be noted that the discharge capacity of the drainage water pump 6 should be larger than that of the high-pressure water pump 8.

In order to facilitate the maintenance of the purification system, a first access opening 24 is formed in one side of the first settling chamber 2, a second access opening 32 is formed in one side of the second settling chamber 3, and a third access opening 33 corresponding to the ceramic particle trap 10 is formed in the top of the second settling chamber 3, so that the ceramic particle trap 10 can be conveniently replaced.

The vertical height of evacuation chimney 4 is not less than 9.6 meters in order to satisfy the design code, and the height of evacuation chimney 4 is high enough to subside the exhaust by its stroke, further purifies the exhaust, and evacuation chimney 4 top is equipped with 90 and bends in order to prevent sleet weather, and sleet can not enter into evacuation chimney 4 and influence its purifying effect.

The working principle is as follows: the exhaust gas of the ceramic vacuum tube during the glaze spraying operation is pumped into the first settling chamber 2 through the first axial flow fan 5 and the air inlet pipeline for primary settling, negative pressure is generated in the second settling chamber 3 under the action of the second axial flow fan 9, the exhaust gas enters the second settling chamber 3 from the first settling chamber 2, water curtain dust removal is carried out through the water curtain dust removal unit 7 before entering the second settling chamber 3, glaze powder in the exhaust gas is further filtered into the water storage tank 11 positioned below the water curtain dust removal unit 7, the exhaust gas enters the second settling chamber 3 for secondary settling, finally, the exhaust gas in the second settling chamber 3 is pumped into the evacuation chimney 4 to be discharged into the atmosphere under the action of the second axial flow fan 9, the exhaust gas is further filtered and purified through the ceramic particle catcher 10 before entering the evacuation chimney 4, so as to ensure that the exhaust gas discharged into the atmosphere through the evacuation chimney reaches the discharge requirement, protecting environment and human health.

At whole exhaust in-process of purifying, when the liquid level in the cistern 11 reachd preset height, the liquid level switch closure makes drainage water pump 6 circular telegram begin work, with the water pump pumping of 11 storages of cistern to the purification tank realize the recovery of glaze powder and recycle, the drainage after the purification can further pump to the water supply tank in simultaneously, realizes the circulation of water and recycles.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. A exhaust gas purification system for ceramic vacuum tube glazing line is last, its characterized in that: comprises a foundation (1), a first settling chamber (2), a second settling chamber (3) and an evacuation chimney (4), wherein the first settling chamber and the second settling chamber are positioned on the foundation (1);

an air inlet (21) is formed in one side of the first settling chamber (2), a first axial flow fan (5) is arranged at the air inlet (21), and the first axial flow fan (5) is communicated with an air outlet of the ceramic vacuum tube glazing machine through a ventilation pipeline;

the second settling chamber (3) is positioned on one side of the first settling chamber (2), a partition wall (22) is arranged between the first settling chamber and the second settling chamber, a vent hole (23) is formed in the bottom of the partition wall (22), a water storage tank (11) is arranged on the foundation (1) below the vent hole (23), a water outlet (12) is formed in the bottom of the water storage tank (11), and the water outlet (12) is externally connected with a purification tank through a drainage water pump (6) and a drainage pipeline;

a water curtain dust removal unit (7) corresponding to the ventilation opening (23) is arranged above the ventilation opening (23), and the water curtain dust removal unit (7) is externally connected with a water supply tank through a high-pressure water pump (8) and a water supply pipeline;

the top of the second settling chamber (3) is provided with an evacuation port (31), a second axial flow fan (9) is arranged at the evacuation port (31), and the evacuation chimney (4) is vertically connected to an air outlet of the second axial flow fan (9).

2. The exhaust gas purification system for a ceramic vacuum tube glazing line according to claim 1, wherein: the water curtain dust removal unit (7) comprises a water spray branch pipe (71) and a plurality of water curtain spray heads (72) uniformly arranged on the water spray branch pipe (71), the water spray branch pipe (71) is fixed on the partition wall (22) through a group of pipe supports (73), and the water spray angle of the water curtain spray heads (72) is adjustable.

3. The exhaust gas purification system for a ceramic vacuum tube glazing line according to claim 1, wherein: the top of the second settling chamber (3) is also provided with a honeycomb-shaped ceramic particle catcher (10) for further filtering glaze powder.

4. The exhaust gas purification system for a ceramic vacuum tube glazing line according to claim 1, wherein: a liquid level switch electrically connected with the drainage water pump (6) is arranged in the reservoir (11).

5. The exhaust gas purification system for a ceramic vacuum tube glazing line according to claim 1, wherein: the bottom of the water storage tank (11) is provided with a slope forming an included angle theta with the horizontal plane, the theta is smaller than 10 degrees, and the water discharge port (12) is located at the lowest position of the water storage tank (11).

6. The exhaust gas purification system for a ceramic vacuum tube glazing line according to claim 1, wherein: first settling chamber (2) one side is equipped with first access hole (24), second settling chamber (3) one side is equipped with second access hole (32), second settling chamber (3) top is equipped with third access hole (33) that correspond with ceramic particle trap (10).

7. The exhaust gas purification system for a ceramic vacuum tube glazing line according to claim 1, wherein: and a first filter screen (101) and a second filter screen (102) are respectively arranged at the air inlet (21) and the air vent (23).

8. The exhaust gas purification system for a ceramic vacuum tube glazing line according to claim 1, wherein: the vertical height of the evacuation chimney (4) is not less than 9.6 m, and the top of the evacuation chimney is provided with a 90-degree bend.