CN110624319A - Dust removal system for casting workshop - Google Patents
Dust removal system for casting workshop Download PDFInfo
- Publication number
- CN110624319A CN110624319A CN201910915747.2A CN201910915747A CN110624319A CN 110624319 A CN110624319 A CN 110624319A CN 201910915747 A CN201910915747 A CN 201910915747A CN 110624319 A CN110624319 A CN 110624319A
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- China
- Prior art keywords
- dust
- frequency converter
- control system
- smoke concentration
- smoke
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/44—Auxiliary equipment or operation thereof controlling filtration
Abstract
The invention belongs to the technical field of casting equipment, and particularly relates to a dust removal system for a casting shop, which comprises: the dust remover comprises a dust remover, a dust removing main pipe, a plurality of dust removing branch pipes, a plurality of telescopic dust collecting covers, a control system and a frequency converter, wherein the dust remover is arranged on one side of a workshop; one end of the main dedusting pipe is communicated with the deduster; a plurality of dust suction ports are arranged on the dust removal main pipe at intervals; one end of each dust removal branch pipe is respectively communicated with the dust suction port on each dust removal branch pipe; the other end is communicated with the telescopic dust hood; the dust accumulation covers are arranged in the workshop at intervals, and a smoke sensor is arranged in each telescopic dust accumulation cover; the signal input end of the control system is connected with the signal output end of the smoke sensor; and the signal input end of the frequency converter is connected with the signal output end of the controller. The invention is used in the traditional casting workshop, and the dust collector, the telescopic dust collecting cover and the control system are added to collect and process the smoke dust generated by gouging, welding and relief grinding in the workshop and then discharge the smoke dust into the atmosphere, thereby reducing the pollution to the atmosphere.
Description
Technical Field
The invention belongs to the technical field of casting equipment, and particularly relates to a dust removal system for a casting shop.
Background
In the casting industry, in a cleaning workshop, the work of welding, relief grinding, gouging and cleaning of castings is mainly carried out, wherein the gouging work is carried out in a specific chamber body which is provided with a dust remover, so that smoke dust can be effectively sucked away, and the smoke dust is filtered and then discharged into the atmosphere; welding and relief grinding operation also can produce the smoke and dust, but this aspect of welding, relief grinding smoke and dust processing is not considered in the factory building initial stage, does not be equipped with and sets up dust pelletizing system, causes the factory building internal environment very poor.
In the current market, dust collectors are various and various in types, and the aspect of independently treating smoke dust is very simple, but if the size of a produced casting is large, a crane is required to be used for transferring, the crane cannot be hindered from traveling in the air, a workshop is large, welding and relief grinding operations are scattered, and the dust cannot be directly removed by using the existing dust removing equipment.
Disclosure of Invention
The invention aims to provide a dust removal system for a foundry, which is mainly used in the traditional foundry to solve the problems in the background art, and the dust removal system is additionally provided with a dust remover, a telescopic dust accumulation cover and a control system, so that smoke generated by gouging, welding and relief grinding in the foundry is collected and treated and then discharged into the atmosphere, and the pollution to the atmosphere is reduced. The technical scheme of the invention is as follows:
a foundry dedusting system comprising: the dust remover comprises a dust remover, a dust removing main pipe, a plurality of dust removing branch pipes, a plurality of telescopic dust collecting covers, a control system and a frequency converter, wherein the dust remover is arranged on one side of a workshop; one end of the dust removal main pipe is communicated with the dust remover; a plurality of dust suction ports are arranged on the dust removal main pipe at intervals; one end of each dust removing branch pipe is communicated with a dust suction port on each dust removing branch pipe; the dust collecting covers are arranged in a workshop at intervals and are positioned at the same side of the workshop with the dust remover, and each telescopic dust collecting cover is communicated with one end of the dust removing branch pipe, which is far away from the main dust removing pipe; a smoke sensor is arranged in each telescopic dust hood and used for detecting the smoke concentration in the telescopic dust hood; the signal input end of the control system is connected with the signal output end of the smoke sensor; the signal input end of the frequency converter is connected with the signal output end of the controller, and the signal output end of the frequency converter is connected with the driving signal input end of the fan of the dust remover; the control system is used for receiving the smoke concentration value from the smoke sensor and controlling the working parameters of the frequency converter according to the smoke concentration value.
Further, the control system is a PLC controller.
Further, the control system compares the smoke concentration value detected by the smoke sensor with a preset smoke concentration frequency converter critical value.
When the detected smoke concentration value is smaller than the critical value of the smoke concentration frequency converter, the control system sends a signal for increasing the load power of the frequency converter, the frequency converter responds to the signal for increasing the load power of the frequency converter, and then the frequency converter increases the load power.
When the detected smoke concentration value is larger than the smoke concentration frequency converter critical value, the control system sends out a signal for reducing the load power of the frequency converter, the frequency converter responds to the signal for reducing the load power of the frequency converter, and then the frequency converter reduces the load power.
Furthermore, each dust removal branch pipe is provided with a control valve.
Further, the control valve is electrically connected with the control system; the control system is used for controlling the working parameters of the control valve according to the received smoke concentration value.
Further, the control valve is an electric butterfly valve.
Further, the control system compares the smoke concentration value detected by the smoke sensor with a preset smoke concentration electric butterfly valve critical value.
When the detected smoke concentration value is smaller than the smoke concentration critical value, the control system sends out a signal for increasing the opening of the electric butterfly valve, the electric butterfly valve responds to the signal for increasing the opening of the electric butterfly valve, and then the electric butterfly valve increases the opening.
When the detected smoke concentration value is larger than the smoke concentration critical value, the control system sends out a signal for reducing the opening of the electric butterfly valve, the electric butterfly valve responds to the signal for reducing the opening of the electric butterfly valve, and then the electric butterfly valve reduces the opening.
Furthermore, each telescopic dust hood forms a sealed working station after being unfolded.
Further, flexible dust collecting cover is scalable frame construction, it is sealed to set up fire-retardant PVC cloth between the frame.
Further, the dust removal system for the foundry comprises a remote controller, and the remote controller is electrically connected with the control system.
According to the technical scheme, the dust collector is mainly used in a traditional casting workshop without a dust collector, a plurality of working station spaces of sealed independent legal persons are formed through the telescopic dust collecting covers, one or more telescopic dust collecting covers are unfolded according to working requirements when cleaning is carried out, and an operator carries out casting cleaning work in the telescopic dust collecting covers, so that all smoke generated during cleaning is collected in the telescopic dust collecting covers, and the smoke is reduced from being discharged to the workshop; the smoke sensor arranged in the telescopic dust collecting cover is used for detecting the smoke concentration in the telescopic dust collecting cover, then the smoke sensor transmits smoke concentration signals to the control system, the control system compares the received smoke concentration values with a preset smoke concentration frequency converter critical value and a preset smoke concentration electric butterfly valve critical value respectively to control the load power of the frequency converter and the opening of the electric butterfly valve so as to control the dust removing air volume in the dust removing main pipe, and therefore reasonable dust removing air volume can be adopted according to the smoke concentration values, energy waste is reduced, economic and effective dust removing work is achieved, and cost expenditure is reduced. The dust removal system provided by the invention is simple in structure and easy to install, can be reasonably arranged according to the space of a workshop, cannot hinder the operation of original equipment in the workshop, such as crane operation work, and is more suitable for the working conditions that the workshop space is large and the operation of a casting cleaning process is scattered.
Drawings
FIG. 1 is a schematic view of the dust removal system of the present invention;
FIG. 2 is a control block diagram of a dust removal system of the present invention;
in the figure: 10-a dust remover; 20-a main dedusting pipe; 30-a dust removal branch pipe; 40-telescopic dust collecting hood; 50-a control valve; 60-a control system; 70-frequency converter; 80-a smoke sensor; 90-remote controller.
Detailed Description
Other advantages and capabilities of the present invention will be readily apparent to those skilled in the art from the present disclosure by describing the embodiments of the present invention by specific examples with reference to the accompanying drawings. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
It should be noted that the structures, ratios, sizes, and the like shown in the drawings attached to the present specification are only used for matching the disclosure of the present specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions of the present invention, so that the present invention has no technical essence, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention.
A foundry dedusting system, as shown in figures 1 and 2, comprising: the dust remover comprises a dust remover 10, a main dust removing pipe 20, a branch dust removing pipe 30, a telescopic dust collecting cover 40, a control system 60 and a frequency converter 70, wherein the dust remover 10 is arranged on one side of a workshop; the main dedusting pipe 20 is supported by a column in the workshop, and one end of the main dedusting pipe 20 is communicated with the deduster 10; a plurality of dust suction ports are arranged on the dust removing main pipe 20 at intervals; one end of each dust removal branch pipe 30 is respectively communicated with a dust suction port on each dust removal branch pipe 30; the dust hoods are arranged in the workshop at intervals and are positioned at the same side of the workshop as the dust remover 10, and each telescopic dust hood 40 is communicated with one end of the dust removing branch pipe 30 away from the main dust removing pipe 20; a smoke sensor 80 is arranged in each telescopic dust hood 40, and the smoke sensor 80 is used for detecting the smoke concentration in the telescopic dust hood 40; the signal input end of the control system 60 is connected with the signal output end of the smoke sensor 80; the signal input end of the frequency converter 70 is connected with the signal output end of the controller, and the signal output end of the frequency converter 70 is connected with the driving signal input end of the fan of the dust remover 10; the control system 60 is adapted to receive the smoke concentration value from the smoke sensor 80 and to control the operating parameters of the frequency converter 70 in dependence on the smoke concentration value.
In an embodiment of the present invention, the control system 60 is a PLC controller, and the smoke concentration transducer threshold value and the smoke concentration electric butterfly valve threshold value corresponding to each smoke sensor 80 are preset in the control system 60 in accordance with the measurement of the production condition in the process of cleaning the casting. When cleaning work is carried out, one or more telescopic dust hoods 40 are unfolded according to work requirements, an operator carries out casting cleaning work in the telescopic dust hoods 40, and the control system 60 compares the smoke concentration value detected by the smoke sensor 80 with a preset smoke concentration frequency converter critical value; when the detected smoke concentration value is smaller than the critical value of the smoke concentration frequency converter 70, the control system 60 sends a signal for increasing the load power of the frequency converter, the frequency converter 70 responds to the signal for increasing the load power of the frequency converter, then the frequency converter 70 increases the load power, and the dedusting air volume entering the dedusting main pipe 20 is increased. When the detected smoke concentration value is larger than the smoke concentration transducer critical value, the control system 60 sends a signal for reducing the load power of the transducer, the transducer 70 responds to the signal for reducing the load power of the transducer, then the transducer 70 reduces the load power, and the dedusting air volume entering the dedusting main pipe 20 is reduced.
As an embodiment of the present invention, a control valve 50 is provided on each dust removal branch pipe 30, and specifically, the control valve 50 is electrically connected with a control system 60; the control system 60 controls the operating parameters of the control valve 50 in accordance with the received smoke concentration value. The control valve 50 is preferably an electric butterfly valve; during cleaning, the control system 60 compares the smoke concentration value detected by the smoke sensor 80 with a preset smoke concentration electric butterfly valve critical value; when the detected smoke concentration value is less than the smoke concentration critical value, the control system 60 sends a signal for increasing the opening of the electric butterfly valve, the electric butterfly valve responds to the signal for increasing the opening of the electric butterfly valve, and then the electric butterfly valve increases the opening to increase the dust removal air volume entering the dust removal branch pipe 30. When the detected smoke concentration value is greater than the smoke concentration critical value, the control system 60 sends a signal to decrease the opening of the electric butterfly valve, the electric butterfly valve responds to the signal to decrease the opening of the electric butterfly valve, and then the electric butterfly valve decreases the opening to decrease the dust removal air volume entering the dust removal branch pipe 30.
As an embodiment of the present invention, the retractable dust collecting cover 40 is a retractable frame structure, and a flame retardant PVC cloth seal is disposed between the frames to facilitate the expansion and contraction.
As an embodiment of the present invention, the dust removing system of the foundry further comprises a remote controller 90, the remote controller 90 is electrically connected with the control system 60, the remote controller 90 is adopted to conveniently and remotely control the control system 60, the control system 60 is timely and remotely controlled according to the field conditions to make instructions according to practical working conditions, the opening degree of the electric butterfly valve and the load power of the frequency converter 70 are set according to the dust removing air volume required by various processes such as gouging, relief grinding and welding, and the buttons of the remote controller 90 are manually operated to control the dust removing air volume of each telescopic dust hood 40, so as to achieve the optimal dust removing effect.
The technical solutions provided by the present application are introduced in detail, and the principles and embodiments of the present application are explained herein by applying embodiments, and the descriptions of the embodiments are only used to help understand the method and the core ideas of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. A foundry dedusting system, comprising:
the dust remover is arranged on one side of the workshop;
one end of the main dedusting pipe is communicated with the deduster; a plurality of dust suction ports are arranged on the dust removal main pipe at intervals;
one end of each dust removal branch pipe is communicated with a dust suction port on each dust removal branch pipe;
the dust collecting device comprises a plurality of telescopic dust collecting covers, a dust collecting device and a dust collecting main pipe, wherein the telescopic dust collecting covers are arranged in a workshop at intervals, and each telescopic dust collecting cover is communicated with one end of each dust collecting branch pipe, which is far away from the dust collecting main pipe; a smoke sensor is arranged in each telescopic dust hood and used for detecting the smoke concentration in the telescopic dust hood;
the signal input end of the control system is connected with the signal output end of the smoke sensor;
the signal input end of the frequency converter is connected with the signal output end of the controller, and the signal output end of the frequency converter is connected with the driving signal input end of the fan of the dust remover;
the control system is used for receiving the smoke concentration value from the smoke sensor and controlling the working parameters of the frequency converter according to the smoke concentration value.
2. The foundry dedusting system of claim 1, wherein the control system is a PLC controller.
3. The foundry dedusting system of claim 1, wherein the control system compares the smoke concentration value detected by the smoke sensor to a preset smoke concentration transducer threshold value;
when the detected smoke concentration value is smaller than the critical value of the smoke concentration frequency converter, the control system sends a signal for increasing the load power of the frequency converter, the frequency converter responds to the signal for increasing the load power of the frequency converter, and then the frequency converter increases the load power;
when the detected smoke concentration value is larger than the smoke concentration frequency converter critical value, the control system sends out a signal for reducing the load power of the frequency converter, the frequency converter responds to the signal for reducing the load power of the frequency converter, and then the frequency converter reduces the load power.
4. The foundry dedusting system of any one of claims 1-3, wherein a control valve is provided on each of the dedusting manifolds.
5. The foundry dedusting system of claim 4, wherein the control valve is electrically connected to the control system; the control system is used for controlling the working parameters of the control valve according to the received smoke concentration value.
6. The foundry dust removal system of claim 5, wherein the control valve is an electrically operated butterfly valve.
7. The foundry dedusting system of claim 6, wherein the control system compares the smoke concentration value detected by the smoke sensor to a preset smoke concentration motorized butterfly valve threshold value;
when the detected smoke concentration value is smaller than the smoke concentration critical value, the control system sends a signal for increasing the opening of an electric butterfly valve, the electric butterfly valve responds to the signal for increasing the opening of the electric butterfly valve, and then the electric butterfly valve increases the opening;
when the detected smoke concentration value is larger than the smoke concentration critical value, the control system sends out a signal for reducing the opening of the electric butterfly valve, the electric butterfly valve responds to the signal for reducing the opening of the electric butterfly valve, and then the electric butterfly valve reduces the opening.
8. The foundry dedusting system of claim 1, wherein each of the telescoping dusthoods is deployed to form a sealed work station.
9. The foundry dust removal system of claim 8, wherein the telescoping dust cage is a telescoping frame structure, and a flame retardant PVC cloth seal is provided between the frames.
10. The foundry dust removal system of claim 1, further comprising a remote control electrically connected to the control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910915747.2A CN110624319A (en) | 2019-09-26 | 2019-09-26 | Dust removal system for casting workshop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910915747.2A CN110624319A (en) | 2019-09-26 | 2019-09-26 | Dust removal system for casting workshop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110624319A true CN110624319A (en) | 2019-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910915747.2A Pending CN110624319A (en) | 2019-09-26 | 2019-09-26 | Dust removal system for casting workshop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110624319A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114308966A (en) * | 2021-12-30 | 2022-04-12 | 第一拖拉机股份有限公司 | Automatic air volume adjusting system and adjusting method for casting multi-station waste gas treatment |
| CN115156520A (en) * | 2022-06-25 | 2022-10-11 | 共享铸钢有限公司 | Distributed top suction type dust removal system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205586682U (en) * | 2016-03-14 | 2016-09-21 | 广州科玛生物科技有限公司 | Dust removal system for workshop |
| CN107030079A (en) * | 2017-05-26 | 2017-08-11 | 大连兆和环境科技股份有限公司 | A kind of collapsible dust gathering arrester of large span moving telescopic |
-
2019
- 2019-09-26 CN CN201910915747.2A patent/CN110624319A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205586682U (en) * | 2016-03-14 | 2016-09-21 | 广州科玛生物科技有限公司 | Dust removal system for workshop |
| CN107030079A (en) * | 2017-05-26 | 2017-08-11 | 大连兆和环境科技股份有限公司 | A kind of collapsible dust gathering arrester of large span moving telescopic |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114308966A (en) * | 2021-12-30 | 2022-04-12 | 第一拖拉机股份有限公司 | Automatic air volume adjusting system and adjusting method for casting multi-station waste gas treatment |
| CN115156520A (en) * | 2022-06-25 | 2022-10-11 | 共享铸钢有限公司 | Distributed top suction type dust removal system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191231 |
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| RJ01 | Rejection of invention patent application after publication |