CN210030860U

CN210030860U - Steel pipe galvanizing environmental protection drying device

Info

Publication number: CN210030860U
Application number: CN201920356005.6U
Authority: CN
Inventors: 王北伟; 王如意; 车英杰
Original assignee: Tianjin Hexingtaike Mechanical And Electrical Equipment Co Ltd
Current assignee: Tianjin Hexingtaike Mechanical And Electrical Equipment Co Ltd
Priority date: 2019-03-20
Filing date: 2019-03-20
Publication date: 2020-02-07
Anticipated expiration: 2029-03-20

Abstract

The utility model provides a steel pipe zinc-plating environmental protection drying device, includes the drying cabinet, drying cabinet upper portion intercommunication has first drying tube, first drying tube and first air heater intercommunication, and drying cabinet lower part intercommunication has the second drying tube, second drying tube and second air heater intercommunication, the inside symmetry of drying cabinet is equipped with the mounting bracket, and two mounting bracket tops are connected with jointly and put a tub box, put a tub box surface and evenly be equipped with the dry hole. The utility model discloses can carry out even drying to the zinc-plated back steel pipe, improve drying efficiency, waste gas can reduce zinc content through the processing simultaneously, is favorable to the protection of environment.

Description

Steel pipe galvanizing environmental protection drying device

Technical Field

The utility model relates to a steel pipe galvanizing technical field, concretely relates to steel pipe zinc-plating environmental protection drying device.

Background

The hot dip galvanized steel pipe is widely applied to manufacturing industries such as buildings, machinery, coal mines, chemical industry, electric power, railway vehicles, automobile industry, roads, bridges, containers, sports facilities, agricultural machinery, petroleum machinery, prospecting machinery and the like, and the surface of the hot dip galvanized steel pipe is provided with a hot dip galvanized or electroplated zinc layer. The galvanization can improve the corrosion resistance of the steel pipe and prolong the service life. The galvanized pipe has wide application, and can be used as a pipeline outside a common low-pressure fluid such as water, gas, oil and the like, an oil well pipe and an oil delivery pipe of the petroleum industry, particularly an offshore oil field, an oil heater, a condenser cooler and a pipe for a coal distillation and washing oil exchanger of chemical coking equipment, a trestle pipe pile, a support frame pipe of a mine tunnel and the like.

The steel pipe need carry out drying process to its surface in order to improve production rate after the galvanization, and drying device among the prior art is inhomogeneous to the steel pipe surface drying, influences drying effect, contains zinc impurity in the tail gas after the drying simultaneously, causes certain pollution to the environment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a steel pipe zinc-plating environmental protection drying device to solve the problem that proposes among the above-mentioned background art.

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

an environment-friendly drying device for steel pipe galvanizing comprises a drying box, wherein the upper part of the drying box is communicated with a first drying pipe, the first drying pipe is communicated with a first air heater, the lower part of the drying box is communicated with a second drying pipe, the second drying pipe is communicated with a second air heater, mounting frames are symmetrically arranged in the drying box, the top ends of the two mounting frames are connected with a pipe placing box together, drying holes are uniformly formed in the surface of the pipe placing box, the right part of the drying box is communicated with one end of an exhaust pipe, the other end of the exhaust pipe is communicated with a gas processing mechanism, the gas processing mechanism comprises a first processor and a second processor, a filter screen is arranged in the first processor, a zinc receiving plate is arranged in the first processor below the filter screen, and a zinc outlet is formed in the contact position of the zinc receiving plate and the bottom end of the first processor; the upper portion of the first processor is provided with a second processor, the second processor is communicated with the first processor through a bearing pipe, an air outlet is formed in the outer portion of the second processor, and an induced draft fan is arranged at the air outlet.

As the utility model discloses a further scheme is again: the drying cabinet left side is equipped with the steel pipe feed inlet, and steel pipe feed inlet department is equipped with sealing door.

As the utility model discloses a further scheme is again: the tube placing box is of a hollow cylindrical structure.

As the utility model discloses a further scheme is again: the two ends of the tube placing box are provided with fixing frames, and the top ends of the two fixing frames are connected with positioning holes together.

As the utility model discloses a further scheme is again: the positioning hole is positioned in the middle of the tube placing box.

As the utility model discloses a further scheme is again: a sponge net is arranged in the second processor.

As the utility model discloses a further scheme is again: the sponge net contains a dilute hydrochloric acid solution.

Compared with the prior art, the beneficial effects of the utility model are that

(1) The utility model discloses can carry out even drying to galvanized back steel pipe surface, improve drying efficiency, waste gas can reduce zinc content through handling simultaneously, is favorable to the protection of environment.

(2) The pipe placing box is of a hollow cylindrical structure, the fixing frames are arranged at two ends of the pipe placing box, the top ends of the two fixing frames are connected with the positioning holes together, the sealing door is opened to send the steel pipe into the pipe placing box, the positioning holes are located in the middle of the pipe placing box and are the same with the upper surface and the lower surface of the steel pipe, and therefore the uniform drying effect can be achieved, and the drying efficiency is improved.

(3) Gaseous from the bottom up in first treater, through the filter screen, zinc powder accumulation because the action of gravity, thereby zinc powder falls into and connects zinc plate in thereby discharge from going out the zinc mouth, and the second treater passes through the adapter and communicates with first treater, contains dilute hydrochloric acid solution through the sponge net and can further remove zinc to improve zinc removal efficiency.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the tube placing box of the present invention;

FIG. 3 is a top view of the tube placing box of the present invention;

fig. 4 is a side view of the tube placing box of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, in the embodiment of the present invention, an environment-friendly drying device for steel pipe galvanizing comprises a drying box 1, wherein the upper portion of the drying box 1 is communicated with a first drying pipe 2, the first drying pipe 2 is communicated with a first air heater 3, the lower portion of the drying box 1 is communicated with a second drying pipe 4, the second drying pipe 4 is communicated with a second air heater 5, the drying box 1 is symmetrically provided with mounting frames 6, the top ends of the two mounting frames 6 are commonly connected with a pipe placing box 7, the surface of the pipe placing box 7 is uniformly provided with drying holes 8, the right portion of the drying box 1 is communicated with one end of an exhaust pipe 9, the first air heater 3 and the second air heater 5 are started, the steel pipe in the pipe placing box 7 is dried through the first drying pipe 2 and the second drying pipe 4, the pipe placing box 7 is of a hollow cylindrical structure, both ends are provided with fixing frames 21, the top ends of the two fixing frames 21 are commonly, the sealing door 20 is opened to send the steel pipe into the pipe placing box 7, the steel pipe is limited by the positioning hole 22, the positioning hole 22 is located in the middle of the pipe placing box 7, and meanwhile the positions of the first air heater 3 and the second air heater 5, which are far away from the upper surface and the lower surface of the steel pipe, are the same, so that the uniform drying effect can be achieved, and the drying efficiency is improved;

the other end of the exhaust pipe 9 is communicated with a gas treatment mechanism 10, the gas treatment mechanism 10 comprises a first processor 11 and a second processor 12, a filter screen 13 is arranged in the first processor 11, a zinc receiving plate 14 is arranged in the first processor 11 below the filter screen 13, and a zinc outlet 15 is arranged at the contact position of the zinc receiving plate 14 and the bottom end of the first processor 11; a second processor 12 is arranged at the upper part of the first processor 11, the second processor 12 is communicated with the first processor 11 through a bearing pipe 16, an air outlet 17 is arranged outside the second processor 12, and an induced draft fan 18 is arranged at the air outlet 17; the left side of the drying box 1 of this embodiment is provided with a steel pipe feeding hole 19, and the steel pipe feeding hole 19 is provided with a sealing door 20. The tube placing box 7 of the embodiment is a hollow cylindrical structure. The tube placing box 7 of this embodiment has fixing frames 21 at both ends, and the top ends of the two fixing frames 21 are connected to the positioning holes 22. The positioning hole 22 of the present embodiment is located at the middle position of the tube placing box 7. A sponge net 23 is provided in the second processor 12 of this embodiment. The sponge net 23 of this embodiment contains a dilute hydrochloric acid solution; the draught fan 18 is started, the dried gas enters the gas treatment mechanism 10 through the exhaust pipe 9, the gas is discharged from the zinc outlet 15 from the bottom to the top in the first processor 11, the zinc powder is accumulated, the zinc powder falls into the zinc plate 14 under the action of gravity, the zinc powder is discharged from the zinc outlet 15, the second processor 12 is communicated with the first processor 11 through the adapting pipe 16, and the dilute hydrochloric acid solution is contained in the sponge net 23 to further remove the zinc, so that the zinc removal efficiency is improved.

The working principle of the utility model is that the first air heater 3 and the second air heater 5 are started, the steel pipe in the pipe box 7 is dried through the first drying pipe 2 and the second drying pipe 4, the pipe box 7 is a hollow cylindrical structure, both ends are provided with the fixing frames 21, the top ends of the two fixing frames 21 are connected with the positioning hole 22 together, the sealing door 20 is opened to send the steel pipe into the pipe box 7, the steel pipe is limited by the positioning hole 22, the positioning hole 22 is positioned at the middle position of the pipe box 7, meanwhile, the positions of the first air heater 3 and the second air heater 5 are the same from the upper surface to the lower surface of the steel pipe, thereby achieving uniform drying effect and improving drying efficiency, the air outlet 17 is provided with the draught fan 18, the draught fan 18 is started, the dried gas enters the gas processing mechanism 10 through the exhaust pipe 9, the gas is from bottom to top in the first processor 11 and passes through the filter screen 13, zinc powder, the zinc powder falls into the zinc receiving plate 14 to be discharged from the zinc outlet 15, the second processor 12 is communicated with the first processor 11 through the adapting pipe 16, and the zinc can be further removed through the dilute hydrochloric acid solution contained in the sponge net 23, so that the zinc removing efficiency is improved.

The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The environment-friendly drying device for steel pipe galvanizing comprises a drying box and is characterized in that the upper portion of the drying box is communicated with a first drying pipe, the first drying pipe is communicated with a first air heater, the lower portion of the drying box is communicated with a second drying pipe, the second drying pipe is communicated with a second air heater, mounting frames are symmetrically arranged inside the drying box, the top ends of the two mounting frames are connected with a pipe placing box together, drying holes are uniformly formed in the surface of the pipe placing box, the right portion of the drying box is communicated with one end of an exhaust pipe, the other end of the exhaust pipe is communicated with a gas treatment mechanism, the gas treatment mechanism comprises a first processor and a second processor, a filter screen is arranged inside the first processor, a zinc receiving plate is arranged below the filter screen and in the first processor, and a zinc outlet is formed in the bottom end contact position of the zinc receiving plate and the first processor; the upper portion of the first processor is provided with a second processor, the second processor is communicated with the first processor through a bearing pipe, an air outlet is formed in the outer portion of the second processor, and an induced draft fan is arranged at the air outlet.

2. The environment-friendly drying device for the galvanized steel pipes as claimed in claim 1, wherein a steel pipe feeding port is formed in the left side of the drying box, and a sealing door is arranged at the steel pipe feeding port.

3. The environment-friendly drying device for the galvanized steel pipes as recited in claim 1, wherein the pipe placing box is of a hollow cylindrical structure.

4. The environment-friendly drying device for the galvanized steel pipes as claimed in claim 3, wherein fixing frames are arranged at two ends of the pipe placing box, and the top ends of the two fixing frames are connected with positioning holes together.

5. The environment-friendly drying device for the galvanized steel pipes as recited in claim 4, wherein the positioning hole is located in the middle of the pipe placing box.

6. The environment-friendly drying device for the galvanized steel pipes as recited in claim 1, wherein a sponge net is arranged in the second processor.

7. The environment-friendly drying device for the galvanized steel pipes as recited in claim 6, wherein the sponge net contains a dilute hydrochloric acid solution.