CN211328697U

CN211328697U - Dust removal device of zinc spraying machine

Info

Publication number: CN211328697U
Application number: CN201921355211.1U
Authority: CN
Inventors: 徐砚琛
Original assignee: Zhejiang Shenao Machinery Engineering Co Ltd
Current assignee: Hangzhou Chunfeng Mechanical Engineering Co.,Ltd.
Priority date: 2019-08-20
Filing date: 2019-08-20
Publication date: 2020-08-25
Anticipated expiration: 2029-08-20

Abstract

The utility model relates to a dust removing device of a zinc spraying machine, wherein a draught fan, a rotary back-blowing flat bag dust remover and a cyclone dust remover are connected in series in sequence through air pipes; the telescopic air pipe comprises an inner air pipe and an outer air pipe, and the inner air pipe is arranged in the outer air pipe; a first tug wheel assembly is arranged at one end of the inner air pipe arranged in the outer air pipe, a tug wheel in the first tug wheel assembly is contacted with the inner wall of the outer air pipe, an induced draft cover is arranged at the other end of the inner air pipe, and the upper part of the induced draft cover is fixedly connected with the zinc spraying trolley; the tug assembly is installed at one end of the outer air pipe, the tug in the tug assembly is in contact with the outer wall of the inner air pipe, the other end of the outer air pipe is connected with one section of maintenance air pipe, and the maintenance air pipe is connected with the cyclone dust collector. In the application, the rotary back-blowing flat bag dust remover and the cyclone dust remover are connected in series for dust removal, so that the dust removal effect is good; the inner air pipe moves along with the zinc spraying trolley, and zinc mist can be introduced into the dust remover in time during zinc spraying processing.

Description

Dust removal device of zinc spraying machine

Technical Field

The utility model relates to a spout zinc machine equipment field, specifically say, relate to a spout zinc machine's dust collector.

Background

At present, in order to increase the corrosion resistance of the surface of a cast iron pipe, zinc spraying is generally performed on the surface of the cast iron pipe by using a zinc spraying machine, and then asphalt is coated. The zinc coating has two functions: firstly, because the electrochemical potential of zinc is lower than that of iron, the iron is protected from corrosion through the reaction of zinc; and secondly, when the zinc is corroded by the salt solution, indissolvable compounds (zinc phosphate, zinc chloride and zinc sulfate) are generated to cover the surface of the pipe, so that the invasion of a corrosive medium is slowed down.

In the process of zinc spraying, zinc wires are blown away by compressed air after being melted by current and sprayed on the surface of a cast iron pipe, zinc mist is easily diffused into a factory building, workers work in the environment for a long time and are easy to cause zinc poisoning, and therefore a corresponding dust removal device is required to be installed in a zinc spraying machine to purify the environment. Because the zinc spraying trolley keeps running all the time in the zinc spraying processing process, the existing dust removing device has the defect that zinc mist cannot be introduced into a dust remover in time, and therefore, the existing dust removing device of the zinc spraying machine needs to be improved and optimized.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide a dust collector for spouting zinc machine that structural design is reasonable, dust removal effect is good, zinc fog can in time be introduced in the dust remover.

The utility model provides a technical scheme that above-mentioned problem adopted is: a dust removal device of a zinc spraying machine comprises a zinc spraying trolley, wherein the zinc spraying trolley performs zinc spraying processing in a walking manner; the method is characterized in that: the dust removal device comprises a telescopic air pipe, an induced draft fan, a rotary back-blowing flat bag dust remover and a cyclone dust remover; the induced draft fan, the rotary back-blowing flat bag dust remover and the cyclone dust remover are sequentially connected in series through air pipes; the telescopic air pipe comprises an inner air pipe and an outer air pipe which are telescopically sleeved together, and the inner air pipe is partially arranged in the outer air pipe; a first tug wheel assembly is arranged at one end of an inner air pipe arranged in the outer air pipe, a tug wheel in the first tug wheel assembly is contacted with the inner wall of the outer air pipe, an induced draft cover is arranged at the other end of the inner air pipe, and the upper part of the induced draft cover is fixedly connected with a zinc spraying trolley; install the tow boat subassembly No. two that are used for carrying out the bearing to the tuber pipe in that part that stretches out from outer tuber pipe at the one end of outer tuber pipe, the outer wall contact of tow boat and interior tuber pipe in the tow boat subassembly No. two, connect one section maintenance tuber pipe at the other end of outer tuber pipe, should overhaul the tuber pipe and be connected with cyclone.

Preferably, the internal air pipe is supported by the first tug wheel assembly and the second tug wheel assembly together, so that a gap is reserved between the outer wall of the internal air pipe and the inner wall of the external air pipe, and the internal air pipe is prevented from rubbing the external air pipe.

Preferably, the axis of the inner air duct and the axis of the outer air duct are coincident.

Preferably, the first tug wheel assembly and the second tug wheel assembly are respectively provided with two tug wheels; the two first tug wheel assemblies are symmetrically arranged on the longitudinal middle axial plane of the inner air pipe; the two tug wheel assemblies are symmetrically arranged about the longitudinal middle axial plane of the outer air pipe, and the first tug wheel assembly and the second tug wheel assembly jointly support the inner air pipe, so that smooth operation of the inner air pipe is ensured.

Preferably, the end of the outer air pipe provided with the second tug assembly is provided with a baffle plate for preventing the inner air pipe from completely extending out of the outer air pipe; the baffle is the nylon baffle, and the baffle of nylon material has certain buffer capacity, when interior tuber pipe knocks down the nylon baffle, is unlikely to produce serious striking.

Preferably, a connecting seat for installation is welded below the outer air pipe and is connected with an air pipe stand column, and the air pipe stand column supports the outer air pipe.

Compared with the prior art, the utility model, have following advantage and effect: 1. the inner air pipe moves along with the zinc spraying trolley, and zinc mist can be introduced into the dust remover in time during zinc spraying processing; 2. the rotary back-blowing flat bag dust remover and the cyclone dust remover are connected in series for dust removal, so that the dust removal effect is good; 3. the arrangement of the tug wheel assembly enables the inner air pipe and the outer air pipe to keep the axes coincident, the inner air pipe stretches smoothly, and the interference phenomenon between the inner air pipe and the outer air pipe is avoided; 4. the maintenance air pipe reduces the disassembly and assembly work during maintenance, and is convenient to maintain.

Drawings

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

Fig. 1 is a schematic view of the connection relationship between the components of the dust removing device in the embodiment of the present invention.

Fig. 2 is a schematic structural view of the embodiment of the present invention in which the telescopic air duct is installed on the zinc spraying machine.

Fig. 3 is a schematic front view structure diagram of the embodiment of the present invention.

Fig. 4 is a schematic sectional view taken along line a-a in fig. 3.

Fig. 5 is a schematic sectional view along the direction B-B in fig. 3.

Fig. 6 is a schematic sectional view along the direction C-C in fig. 3.

Description of reference numerals: the device comprises a telescopic air pipe 4, an induced draft fan 5, a rotary reverse blowing flat bag dust remover 6, a cyclone dust remover 7, a zinc spraying trolley 8, an inner air pipe 41, an outer air pipe 42, a first tug wheel assembly 43, a second tug wheel assembly 44, a baffle 45, an overhaul air pipe 46, a connecting seat 47 for installation, an induced draft cover 48 and an air pipe upright column 49.

Detailed Description

The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.

Examples are given.

See fig. 1-6.

The embodiment discloses a dust removal device of a zinc spraying machine, which comprises a telescopic air pipe 4, an induced draft fan 5, a rotary back-blowing flat bag dust remover 6 and a cyclone dust remover 7. The induced draft fan 5, the rotary back-blowing flat bag dust remover 6 and the cyclone dust remover 7 are connected in series in sequence through air pipes. The rotary back-blowing flat bag dust remover 6 and the cyclone dust remover 7 are connected in series for dust removal, the dust removal effect is good, and the specific structures of the rotary back-blowing flat bag dust remover 6 and the cyclone dust remover 7 can refer to the prior art.

In this embodiment, the telescopic air duct 4 includes an inner air duct 41 and an outer air duct 42 telescopically sleeved together, and the inner air duct 41 is partially disposed in the outer air duct 42. A second tug assembly 44 for supporting the part of the inner air pipe 41 extending out of the outer air pipe 42 is installed at one end of the outer air pipe 42, a tug in the second tug assembly 44 is in contact with the outer wall of the inner air pipe 41, and a section of maintenance air pipe 46 is connected to the other end of the outer air pipe 42.

In this embodiment, overhaul tuber pipe 46 and be connected with cyclone 7, when flexible tuber pipe 4 need overhaul, can pull down overhaul tuber pipe 46 from outer tuber pipe 42, need not dismouting cyclone 7, the dismouting is convenient, the convenient maintenance.

In this embodiment, the first tug assembly 43 is installed at one end of the inner air pipe 41 inside the outer air pipe 42, the tug in the first tug assembly 43 contacts with the inner wall of the outer air pipe 42, the induced draft hood 48 is installed at the other end of the inner air pipe 41, the upper part of the induced draft hood 48 is fixedly connected with the zinc spraying trolley 8, and the movement of the zinc spraying trolley 8 drives the inner air pipe 41 to extend out of or retract back from the outer air pipe 42, so that the zinc mist can be introduced into the cyclone dust collector 7 in time.

In this embodiment, the two first tug assemblies 43 are symmetrically arranged about the longitudinal central axis of the inner air duct 41, and the included angle between the two first tug assemblies 43 is 60 °. Two tug assemblies 44 are also arranged; the two second tug assemblies 44 are arranged plane-symmetrically about the longitudinal central axis of the outer air duct 42, and the angle between the two second tug assemblies 44 is also 60 °.

In this embodiment, the first tug wheel assembly 43 and the second tug wheel assembly 44 jointly support the inner air pipe 41, so that a gap is reserved between the outer wall of the inner air pipe 41 and the inner wall of the outer air pipe 42, and the axis of the inner air pipe 41 and the axis of the outer air pipe 42 are overlapped, thereby ensuring smooth operation of the inner air pipe 41 and avoiding friction of the inner air pipe 41 on the outer air pipe 42.

In this embodiment, a baffle 45 is installed at the end of the outer air duct 42 where the tug wheel assembly 44 is installed, and the baffle 45 is used to prevent the inner air duct 41 from completely protruding from the outer air duct 42. The baffle 45 is a nylon baffle, and the nylon baffle has a certain buffering capacity, so that when the inner air pipe 41 hits the nylon baffle, serious impact is not generated.

In this embodiment, a mounting coupling seat 47 is welded to the lower surface of the external air duct 42, and the external air duct 42 can be mounted on an air duct column 49 via the mounting coupling seat 47. The air duct column 49 supports the outer air duct 42, and the upper surface of the outer air duct 42 is connected with a frame of the zinc spraying machine.

In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an example of the structure of the present invention. All the equivalent changes or simple changes made according to the structure, characteristics and principle of the patent idea of the utility model are included in the protection scope of the patent of the utility model. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. A dust removal device of a zinc spraying machine comprises a zinc spraying trolley (8), wherein the zinc spraying trolley (8) performs zinc spraying processing in a walking way; the method is characterized in that: the dust removal device comprises a telescopic air pipe (4), an induced draft fan (5), a rotary back-blowing flat bag dust remover (6) and a cyclone dust remover (7); the induced draft fan (5), the rotary back-blowing flat bag dust remover (6) and the cyclone dust remover (7) are sequentially connected in series through air pipes; the telescopic air pipe (4) comprises an inner air pipe (41) and an outer air pipe (42) which are telescopically sleeved together, and the inner air pipe (41) is partially arranged in the outer air pipe (42); a first tug wheel assembly (43) is mounted at one end of an inner air pipe (41) arranged in the outer air pipe (42), a tug wheel in the first tug wheel assembly (43) is in contact with the inner wall of the outer air pipe (42), an air draft cover (48) is mounted at the other end of the inner air pipe (41), and the upper part of the air draft cover (48) is fixedly connected with a zinc spraying trolley (8); a tug assembly (44) for supporting the internal air pipe (41) extending out of the external air pipe (42) is mounted at one end of the external air pipe (42), a tug in the tug assembly (44) is in contact with the outer wall of the internal air pipe (41), a section of maintenance air pipe (46) is connected to the other end of the external air pipe (42), and the maintenance air pipe (46) is connected with the cyclone dust collector (7).

2. The dust removing device of the zinc spraying machine according to claim 1, which is characterized in that: the first tug wheel assembly (43) and the second tug wheel assembly (44) jointly support the inner air pipe (41), and a gap is reserved between the outer wall of the inner air pipe (41) and the inner wall of the outer air pipe (42).

3. The dust removing device of the zinc spraying machine according to claim 1, which is characterized in that: the axis of the inner air pipe (41) is coincident with the axis of the outer air pipe (42).

4. The dust removing device of the zinc spraying machine according to claim 1, which is characterized in that: the first tug wheel assembly (43) and the second tug wheel assembly (44) are respectively provided with two tug wheels; the two first tug wheel assemblies (43) are symmetrically arranged on the longitudinal middle axial plane of the inner air pipe (41); the two second tug wheel assemblies (44) are arranged in a plane symmetry mode about the longitudinal middle axis of the outer air pipe (42).

5. The dust removing device of the zinc spraying machine according to claim 1, which is characterized in that: the end of the outer air pipe (42) provided with the second tug assembly (44) is provided with a baffle (45) for preventing the inner air pipe (41) from completely extending out of the outer air pipe (42); the baffle (45) is a nylon baffle.

6. The dust removing device of the zinc spraying machine according to claim 1, which is characterized in that: a connecting seat (47) for installation is welded below the outer air pipe (42); the mounting connecting base (47) is connected with an air pipe upright post (49).