Centralized air supply device for drying fan of calendering production line
By connecting all drying fans through pipes and setting up isolation valves, centralized air supply and selective control of drying fans are achieved, and the problem of shutdown of the production line due to a single unit failure is solved, which improves production efficiency and reduces maintenance costs.
Patent Information
- Application Number
- CN202420280003.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-05
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-02-05
AI Technical Summary
In the prior art, the drying fan of each production line works independently, causing the entire production line to be shut down for maintenance in any failure, increasing investment and operation costs.
The centralized air supply device of drying fans is used to connect all drying fans through pipes, and an isolation valve is set to achieve selective control. Any one can be isolated and repaired in the event of a failure to avoid the entire production line being shut down.
It reduces the number of production line shutdowns, improves production efficiency, reduces investment costs, and realizes mutual backup and convenient maintenance of drying fans.
Smart Images
Figure CN222156357U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of air supply of fans in production lines, in particular to a centralized air supply device for drying fans in a calendering production line. Background Art
[0002] The calendering workshop is an important workshop in tire manufacturing, and most tire components are produced in this workshop. The film produced by the extruder and calender needs to be cooled and air-dried. Air-drying is one of the important post-production auxiliary processes to ensure the dryness of the film.
[0003] In the prior art, each production line is provided with three drying fans that work independently of each other, and the drying fans of the five production lines are also used independently of each other.
[0004] The inventors have found that when any drying fan fails, the entire production line will be shut down for maintenance, causing certain troubles to the company's production and generating certain investment and operating costs. Utility Model Content
[0005] The utility model provides a centralized air supply device for drying fans of a calendering production line, which connects all drying fans with pipelines and adopts a centralized air supply mode. After the centralized air supply, there are surplus drying fans, which are used as spare parts for each other. If any one of them has a problem, the drying fan isolation valve corresponding to the drying fan is turned off, and the drying fan can be repaired at will without stopping the machine, so as to avoid the situation that the entire production line will be shut down for maintenance when any drying fan fails.
[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0007] A drying fan centralized air supply device for a calendering production line, comprising a drying fan, a drying fan pipe connected to an air outlet of the drying fan, a branch pipe mother pipe, a drying air mother pipe and an air supply branch pipe;
[0008] Each production line is equipped with multiple drying fans;
[0009] A plurality of drying fan pipes connected to the drying fan outlets are connected to the branch pipe mother pipe in parallel, a plurality of branch pipe mother pipes are connected to the drying air mother pipe in parallel, and the drying air mother pipe is connected to the air supply branch pipe;
[0010] The air outlet of the air supply branch pipe is connected to the production line and is used to provide dry air for the calendering production line.
[0011] Furthermore, there is one dry air main pipe.
[0012] Furthermore, there are multiple air supply branch pipes, each of which corresponds to a production line. The air supply branch pipes are used to receive the drying air required by each production line from the drying air main pipe for drying the objects to be dried on the production line.
[0013] Furthermore, the air supply branch pipe is connected to the drying air main pipe in parallel.
[0014] Furthermore, an isolation valve is provided in the centralized air supply device of the drying fan of the calendering production line, and the isolation valve includes an electric isolation valve for the drying fan, a branch electric isolation valve and a main pipe electric isolation valve.
[0015] Further, one end of the drying fan pipe 2 is connected to the air outlet of the drying fan, and the other end is connected to the branch pipe. A drying fan electric isolation valve is arranged on the drying fan pipe connected to the air outlet of the drying fan to realize the control opening of each drying fan.
[0016] Furthermore, one end of the branch pipe mother pipe is connected in parallel with multiple drying fan pipes, and one end is connected to the drying air mother pipe. At the end where the branch pipe mother pipe is connected to the drying air mother pipe, a mother pipe electric isolation valve is provided on the pipeline of the branch pipe mother pipe to realize the controlled opening of all drying fans on the production line.
[0017] Furthermore, one end of the air supply branch pipe is connected to the dry air main pipe, and the dry air required by the production line is taken from the dry air main pipe. A branch electric isolation valve is arranged on the air supply branch pipe to control the opening of the dry air required on each production line.
[0018] In some schemes, when a production line uses a branch pipe mother pipe, multiple drying fans configured on the production line are set on one side of the branch pipe mother pipe. For example, three parallel drying fans configured on production line No. 3 are connected to a branch pipe mother pipe.
[0019] In other schemes, when two adjacent production lines share the same branch pipe mother pipe, multiple drying fans are dispersedly arranged on both sides of the branch pipe mother pipe. For example, the three parallel drying fans configured on production line No. 1 and the three parallel drying fans configured on production line No. 2 are connected to the same branch pipe mother pipe; the three parallel drying fans configured on production line No. 4 and the three parallel drying fans configured on production line No. 5 are connected to the same branch pipe mother pipe. That is, the branch pipe mother pipe connected in parallel to the drying air mother pipe can be connected and connected with the drying fans on one production line, or can be connected and connected with the drying fans on two production lines.
[0020] Furthermore, in the centralized air supply device for the drying fan of the calendering production line, a spring safety valve is provided on the drying air main pipe to avoid hidden dangers caused by excessive air pressure when the air volume usage of the production line is low.
[0021] The beneficial effects of the utility model are:
[0022] 1. Compared with the prior art in which three independently working drying fans are arranged on each production line, the drying fans of the five production lines are also used independently of each other. In the centralized air supply device for drying fans of the calendering production line of the utility model, all drying fans are connected together by pipelines, a centralized air supply method is adopted and an isolation valve is arranged on the pipeline, so that when the production line is supplied with air, the problem of the entire production line needing to be shut down for maintenance when any drying fan on the production line fails no longer occurs, thereby reducing the number of shutdowns and improving production efficiency.
[0023] 2. When the centralized air supply device for drying fans of the calendering production line is in operation, an electric isolation valve for drying fans is provided on the drying fan pipe, and the number of drying fans to be opened can be selectively controlled according to the air volume. Thus, after the centralized air supply device for drying fans of the calendering production line supplies air, there are surplus drying fans, which serve as backup for each other. When any one of them has a problem, the electric isolation valve for drying fans corresponding to the drying fan is turned off, and the drying fan can be repaired at will without stopping the machine.
[0024] 3. If you need to overhaul or replace the isolation valves of the drying fans, just shut off the main pipe electric isolation valve; if you need to overhaul the production lines, just shut off the branch electric isolation valves.
[0025] 4. The utility model not only does not require investment in the purchase of major equipment drying fans, but is also safe, economical, reliable, has low investment costs, is easy to repair and maintain, and can also optimize drying fans that are in poor condition. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] In order to clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments of the utility model will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0027] Figure 1 It is a schematic diagram of a centralized air supply system device of a drying fan for a calendering production line provided by a specific embodiment of the utility model.
[0028] Among them, 1-drying fan, 2-drying fan pipe, 3-branch pipe main pipe, 4-main pipe electric isolation valve, 5-drying air main pipe, 6-branch electric isolation valve, 7-air supply branch pipe, 8-production line No. 5, 9-production line No. 4, 10-production line No. 3, 11-production line No. 2, 12-production line No. 1, 13-spring safety valve. DETAILED DESCRIPTION
[0029] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and implementation methods.
[0030] Please refer to Figure 1 .
[0031] In a specific embodiment, the centralized air supply device of the drying fan of the calendering production line provided by the specific embodiment of the utility model includes a drying fan 1, a drying fan pipe 2 connected to the air outlet of the drying fan 1, a branch pipe mother pipe 3, a drying air mother pipe 5 and an air supply branch pipe 7; multiple drying fans are configured on each production line; multiple drying fan pipes connected to the air outlet of the drying fan are connected to the branch pipe mother pipe in parallel, multiple branch pipe mother pipes are connected to the drying air mother pipe in parallel, and the drying air mother pipe is connected to the air supply branch pipe; the air outlet of the air supply branch pipe is connected to the production line, and is used to provide dry air for the calendering production line.
[0032] The drying fan used in the calendering production line is a Roots blower or a high-pressure blower.
[0033] like Figure 1 As shown, in the centralized air supply device for drying fans of the calendering production line, 5 production lines are arranged, which are, from left to right, production line No. 1 12, production line No. 2 11, production line No. 3 10, production line No. 4 9, and production line No. 5 8. Three drying fans 1 are arranged on each production line, and a total of 15 drying fans 1 are arranged. All the drying fans are connected together by pipes to provide centralized air supply to the production lines.
[0034] There is one dry air main pipe.
[0035] Among them, all the drying fans are connected together, including that the drying fans configured for each production line and the drying fans configured on different production lines are connected together by pipelines to centrally supply air to the production lines.
[0036] The pipeline includes a drying fan pipe 2 connected to the drying fan outlet, a branch pipe mother pipe 3 connected to the drying fan pipe, a drying air mother pipe 5 connected to the branch pipe mother pipe 3 and an air supply branch pipe 7 connected to the drying air mother pipe 5.
[0037] On each production line, the drying fan pipe 2 connected to the drying fan outlet is connected to the branch pipe mother pipe 3 in parallel, so that several drying fans configured on each production line are connected through, and the wind blown out by each drying fan is concentrated in the branch pipe mother pipe 3, and then the branch pipe mother pipe 3 is connected to the drying air mother pipe 5 in parallel, and the dry air concentrated in the branch pipe mother pipe 3 is further concentrated in the drying air mother pipe 5, finally realizing that all the drying fans between each production line and between different production lines are connected by pipelines for centralized air supply.
[0038] Different from the prior art in which each production line is equipped with three drying fans working independently, the three drying fans configured on each production line in the utility model do not work independently; also different from the prior art in which the drying fans of the five production lines are used independently, the drying fans on different production lines in the utility model are connected by pipelines, so that all the drying fans between each production line and between different production lines in this application are connected by pipelines for centralized air supply.
[0039] The number of branch pipes and mother pipes can match the corresponding production line, or two adjacent production lines can share the same branch pipe and mother pipe. Figure 1 As shown in the figure, the three drying fans configured on production line No. 3 are connected in parallel to a branch mother pipe, and the branch mother pipe is only connected to the drying fans on production line No. 3; the three drying fans configured on production line No. 1 and the three drying fans configured on production line No. 2 are connected in parallel to the same branch mother pipe, and the three drying fans configured on production line No. 4 and the three drying fans configured on production line No. 5 are connected in parallel to the same branch mother pipe, then the drying fans on two adjacent different production lines can share the same branch mother pipe.
[0040] When the number of branch pipes and mother pipes matches the corresponding production line, that is, when one production line uses one branch pipe, the multiple drying fans configured on the production line are set on one side of the branch pipe. When two adjacent production lines share the same branch pipe, the multiple drying fans are dispersedly set on both sides of the branch pipe.
[0041] in, Figure 1 The direction indicated by the middle arrow is the flow direction of the drying air blown by the drying fan. The air provided by a drying fan is introduced into the branch pipe mother pipe, and is collected with the air blown by other drying fans, and then the air from the branch pipe mother pipes on multiple different production lines is collected into the drying air mother pipe. At this time, the drying air concentrated in the drying air mother pipe is blown out by multiple air supply branch pipes to dry the items to be dried on each production line respectively. For example, the film produced by the extruder and the calender is dried.
[0042] The dry air used on each production line is taken from the dry air main pipe. The way of taking the air is to set an air supply branch pipe on the dry air main pipe. The outlet of the air supply branch pipe is connected to the production line to provide the dry air required by the production line.
[0043] There are multiple air supply branch pipes, and each air supply branch pipe corresponds to a production line. Figure 1 There are 5 production lines shown in the figure, and the corresponding air supply branch pipes are 5. The air supply branch pipes are used to receive the drying air required by each production line from the drying air main pipe, and are used to dry the items to be dried on the production line.
[0044] In order to realize the controlled opening of the pipeline, an isolation valve is set in the centralized air supply device of the drying fan of the calendering production line. The isolation valve includes a branch electric isolation valve 6, a main pipe electric isolation valve 4, and a drying fan electric isolation valve ( Figure 1 not shown).
[0045] One end of the drying fan pipe 2 is connected to the air outlet of the drying fan, and the other end is connected to the branch pipe mother pipe. A drying fan electric isolation valve is arranged on the drying fan pipe to realize the selective control and opening of each drying fan.
[0046] One end of the branch pipe mother pipe is connected in parallel with multiple drying fan pipes, and the other end is connected to the drying air mother pipe. At the end where the branch pipe mother pipe is connected to the drying air mother pipe, a mother pipe electric isolation valve is provided on the pipeline of the branch pipe mother pipe to achieve selective control and opening of all drying fans on the production line.
[0047] The electric isolation valves for drying fans and main pipes can selectively control the number of drying fans to be opened according to the air volume during operation, so that there are surplus drying fans after centralized air supply and they can serve as backup for each other; on the other hand, it can facilitate the maintenance of drying fans. If any of them has a problem, the electric isolation valve of the drying fan with the problem ( Figure 1 If the main pipe electric isolation valve is shut off (not shown), maintenance can be carried out at will without shutting down the machine; if major repairs or replacement of the drying fan electric isolation valves of each drying fan are to be carried out, the main pipe electric isolation valve can be shut off.
[0048] One end of the air supply branch pipe is connected to the dry air main pipe, and the dry air required by the production line is taken from the dry air main pipe. A branch electric isolation valve 6 is set on the air supply branch pipe 7 to facilitate the maintenance and use control of the production line equipment. If each production line is overhauled, the 6-branch isolation electric valve can be turned off.
[0049] A spring safety valve 13 is installed on the drying air main pipe 5 to avoid the hidden danger of excessive air pressure when the air volume used in the production line is low.
[0050] Of course, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by technicians in this technical field within the essential scope of the present invention should also fall within the protection scope of the present invention.
Claims
1. A centralized air supply device for drying fans of a calendering production line, characterized in that: It includes a drying fan, a drying fan pipe connected to the air outlet of the drying fan, a branch pipe mother pipe, a drying air mother pipe and an air supply branch pipe; Each production line is equipped with multiple drying fans; A plurality of drying fan pipes connected to the drying fan outlets are connected to the branch pipe mother pipe in parallel, a plurality of branch pipe mother pipes are connected to the drying air mother pipe in parallel, and the drying air mother pipe is connected to the air supply branch pipe; The air outlet of the air supply branch pipe is connected to the production line and is used to provide dry air for the calendering production line.
2. A drying fan centralized air supply device for a calendering production line according to claim 1, characterized in that: There is one drying air main pipe.
3. The drying fan centralized air supply device for a calendering production line according to claim 1, characterized in that: There are multiple air supply branch pipes, and each air supply branch pipe corresponds to a production line.
4. The drying fan centralized air supply device for a calendering production line according to claim 3, characterized in that: The air supply branch pipe is connected to the drying air main pipe in parallel.
5. The drying fan centralized air supply device for a calendering production line according to claim 4, characterized in that: A branch electric isolation valve is arranged on the air supply branch pipe.
6. The centralized air supply device for drying fans of a calendering production line according to claim 1, characterized in that: A drying fan electric isolation valve is arranged on the drying fan pipe connected to the drying fan air outlet.
7. The centralized air supply device for drying fans of a calendering production line according to claim 1, characterized in that: At one end where the branch pipe mother pipe is connected to the dry air mother pipe, a mother pipe electric isolation valve is provided on the pipeline of the branch pipe mother pipe.
8. The centralized air supply device for drying fans of a calendering production line according to claim 1, characterized in that: When two adjacent production lines share the same branch pipe, multiple drying fans are dispersedly installed on both sides of the branch pipe.
9. The drying fan centralized air supply device for a calendering production line according to claim 1, characterized in that: When a production line uses a branch pipe mother pipe, multiple drying fans configured on the production line are set on one side of the branch pipe mother pipe.
10. The centralized air supply device for drying fans of a calendering production line according to claim 1, characterized in that: A spring safety valve is arranged on the drying air main pipe.