CN109058766B - Automatic control by temperature change drainage system - Google Patents

Automatic control by temperature change drainage system Download PDF

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Publication number
CN109058766B
CN109058766B CN201811135687.4A CN201811135687A CN109058766B CN 109058766 B CN109058766 B CN 109058766B CN 201811135687 A CN201811135687 A CN 201811135687A CN 109058766 B CN109058766 B CN 109058766B
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China
Prior art keywords
pipeline
valve
steam flow
temperature
cooling water
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CN201811135687.4A
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CN109058766A (en
Inventor
胡海
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Guangxi Nanning Qiaosheng Wood Industry Co ltd
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Guangxi Nanning Qiaosheng Wood Industry Co ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17DPIPE-LINE SYSTEMS; PIPE-LINES
    • F17D1/00Pipe-line systems
    • F17D1/02Pipe-line systems for gases or vapours
    • F17D1/06Pipe-line systems for gases or vapours for steam
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00Control of temperature
    • G05D23/19Control of temperature characterised by the use of electric means

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)

Abstract

An automatic temperature control drainage system consists of a cooling water reflux main pipe, an upper steam flow pipeline, a lower steam flow pipeline, a temperature control instrument, an alternating current contactor, a hygrometer, a temperature probe, a steam intercommunication pipeline, an electromagnetic valve, an automatic cooling liquid reflux pipeline, a filter valve, a manual cooling water reflux pipeline, a manual valve, a condensed water reflux pipeline and a dredging valve. According to the invention, under the action of the temperature control instrument, the temperature probe and the electromagnetic valve, cooling water in the steam flow pipeline can be automatically and effectively discharged, the temperature in the steam flow pipeline is effectively kept to be controlled at a manually set temperature value, and the quality of the plate is kept. Under the effect of the dredging valve, when the condensed water exists in the steam flowing pipeline or the steam temperature is too high, the effective condensed water can be automatically discharged from the dredging valve, the steam can be decompressed from the dredging valve, the pipeline is protected from being broken or pipe explosion, and potential safety hazards are effectively eliminated.

Description

Automatic control by temperature change drainage system
Technical Field
The invention belongs to artificial board production matching equipment, and particularly relates to an automatic temperature control drainage system.
Technical Field
The integrated board is an artificial board, the structure and the characteristics of the wood are not changed, the integrated board is still a natural base material like the wood, but is superior to the solid wood sawed board in terms of tensile strength and compressive strength and is also superior to the solid wood sawed board in terms of homogenization of material quality from the aspect of physical and mechanical properties. Therefore, the integrated plate can replace solid wood sawn plate square plates to be applied to various corresponding fields. The integrated wood is produced by using small-diameter materials as production raw materials, cutting the materials into boards through logs, drying the boards to prepare square boards, cutting, selecting materials, finger-jointing, splicing, carrying out subsequent treatment and the like, and thus the wood with certain width, thickness and length is prepared. It is a novel base material used in the building industry, furniture and decoration industry. The composite material has the characteristics of high strength which is 1.5 times that of natural solid wood, good fireproof performance, high heat preservation performance and the like. The conventional production process of the laminated wood comprises the following steps: round wood processing into a plate, plate drying, plate square processing into strips, material selecting and cutting, tooth thinning of the manufactured wood strips, strip splicing of the manufactured wood strips by using an adhesive, strip planing of the spliced wood strips into regular square strips by four-side planing, pressing of the square strips with the specification into the required plate by a press machine, planing, sanding, repairing, finishing and packaging.
In the procedure of pressing into required plate by using press machine, the plate whose moisture content is below 20% is placed in the device capable of heating, drying, pushing, dispersing and shaping, and the spliced plate is passed through the temp. of 90-130 deg.C, and continuously undergone the processes of forced shaping and drying for 50-90 min. In the mechanical drying link, the drying speed is high, only 50-60 minutes are needed from initial feeding to drying to obtain a finished product, and the special structural stress of the wood is effectively relieved. The device capable of heating, drying, pushing, dispersing and shaping is characterized in that steam is utilized to realize heating in a steam flow pipeline arranged in the device, and because the steam can become water after being cooled, if the water cannot be timely discharged, the temperature of the steam flowing in the steam flow pipeline is affected, and the preset temperature and the application effect cannot be achieved. Furthermore, in order to achieve a steam temperature of 130 ℃ in the steam flow pipeline, the steam flow pipeline must be provided with a high-pressure resistant pipeline, and if the high-pressure pipeline has no countermeasure, such as limiting temperature and automatic pressure relief, once the pressure is too large, the steam flow pipeline can break, even the pipe burst hurts people and other serious accidents occur. There is a great safety hazard.
Disclosure of Invention
The invention provides a brand new automatic temperature control drainage system for overcoming the defects of the existing heating, drying, pushing, air dispersing and shaping devices. The method specifically comprises the following steps: the system consists of a cooling water reflux main pipe (1), an upper steam flow pipeline (2), a lower steam flow pipeline (3), a temperature control instrument (4), an alternating current contactor (5), a hygrometer (6), a temperature probe (7), a steam flow pipeline (8), an electromagnetic valve (9), a cooling liquid automatic reflux pipeline (10), a filter valve (11), a cooling water manual reflux pipeline (12), a manual valve (13), a condensed water reflux pipeline (14) and a dredging valve (15).
The invention is realized by the following technical scheme:
An automatic temperature control drainage system, which adopts the technical proposal that: the system consists of a cooling water reflux main pipe (1), an upper steam flow pipeline (2), a lower steam flow pipeline (3), a temperature control instrument (4), an alternating current contactor (5), a hygrometer (6), a temperature probe (7), a steam flow pipeline (8), an electromagnetic valve (9), a cooling liquid automatic reflux pipeline (10), a filter valve (11), a cooling water manual reflux pipeline (12), a manual valve (13), a condensed water reflux pipeline (14) and a dredging valve (15); wherein, the hygrometer (6) and the temperature probe (7) are arranged on the upper steam flow pipeline (2), the electromagnetic valve (9) and the filter valve (11) are arranged on the automatic cooling liquid return pipeline (10), and the electromagnetic valve (9) automatically controls the circulation and closing of the automatic cooling liquid return pipeline (10); the manual valve (13) is arranged on the manual cooling water return pipeline (12), and the manual valve (13) manually controls the circulation and closing of the manual cooling water return pipeline (12); the flow-thinning valve (15) is arranged on the condensed water return pipeline (14), and the flow and closing of the condensed water return pipeline (14) are automatically controlled by the flow-thinning valve (15); the steam intercommunication pipeline (8) is connected with the upper steam flow pipeline (2) and the lower steam flow pipeline (3), and the automatic cooling liquid reflux pipeline (10), the manual cooling water reflux pipeline (12) and the condensed water reflux pipeline (14) are respectively connected with the upper steam flow pipeline (2), the lower steam flow pipeline (3) and the cooling water reflux main pipe (1); the temperature probe (7) is connected with the temperature control instrument (4), the temperature control instrument (4) is connected with the alternating current contactor (5), the electromagnetic valve (9) is connected with the alternating current contactor (5), and the electromagnetic valve (9) is automatically controlled to be opened and closed by the temperature control instrument (4), so that an automatic temperature control drainage system is formed.
The application principle of the invention is as follows:
The upper steam flow pipeline (2) and the lower steam flow pipeline (3) are connected to an upper steam flow pipeline and a lower steam flow pipeline of a heating drying, pushing, air dispersing and shaping device, a temperature value is set on the temperature control instrument (4), when cooling water exists in the steam flow pipeline, the steam temperature in the steam flow pipeline can be reduced, when the temperature fed back by the temperature probe (7) is lower than the temperature value set on the temperature control instrument (4), the electromagnetic valve (9) is started, the electromagnetic valve (9) is opened, cooling water exists in the steam flow pipeline and flows into the cooling water backflow main pipe (1) through the electromagnetic valve (9) and the cooling liquid automatic backflow pipeline (10), when the cooling liquid is discharged, the steam temperature in the steam flow pipeline can be increased, and when the temperature fed back by the temperature probe (7) is increased to the temperature value set on the temperature control instrument (4), the electromagnetic valve (9) is started, and the electromagnetic valve (9) is closed; when the electromagnetic valve (9) fails, the cooling water in the steam flow pipeline can be discharged to the cooling water manual reflux pipeline (12) by opening the manual valve (13) and flows into the cooling water reflux main pipe (1); when the steam flowing pipeline is internally provided with condensed water or the temperature of the steam is too high, the condensed water can be automatically discharged from the steam-discharging valve (15), and the steam can be decompressed from the steam-discharging valve (15), so that the pipeline is protected from being broken or pipe explosion, and potential safety hazards are effectively eliminated.
The invention has the following advantages:
1. the invention has novel, scientific and reasonable structure conception, and the components are matched with each other in application, and the invention has unique measures and obvious effect.
2. According to the invention, under the action of the temperature control instrument (4), the temperature probe (7) and the electromagnetic valve (9), cooling water in the steam flow pipeline can be automatically and effectively discharged, the temperature in the steam flow pipeline can be effectively kept to be controlled at a manually set temperature value, and the quality of the plate is kept.
3. According to the invention, under the action of the flow-dispersing valve (15), when condensed water exists in the steam flow pipeline or the steam temperature is too high, the effective condensed water can be automatically discharged from the flow-dispersing valve (15), and the steam can be decompressed from the flow-dispersing valve (15), so that the pipeline is protected from being broken or tube explosion, and potential safety hazards are effectively eliminated.
4. The invention has high degree of automation, effectively eliminates potential safety hazards, has obvious effect, greatly improves the working efficiency, realizes the robot operation, reduces the working labor and is greatly popularized.
Drawings
The invention is further described below with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of the present invention.
In fig. 1, 1 is a cooling water return main pipe, 2 is an upper steam flow pipe, 3 is a lower steam flow pipe, 4 is a temperature control instrument, 5 is an ac contactor, 6 is a hygrometer, 7 is a temperature probe, 8 is a steam communication pipe, 9 is an electromagnetic valve, 10 is a cooling liquid automatic return pipe, 11 is a filter valve, 12 is a cooling water manual return pipe, 13 is a manual valve, 14 is a condensed water return pipe, and 15 is a flow-thinning valve.
Detailed Description
The invention will now be described in detail with reference to the accompanying drawings and examples:
the invention consists of a cooling water reflux main pipe (1), an upper steam flow pipeline (2), a lower steam flow pipeline (3), a temperature control instrument (4), an alternating current contactor (5), a hygrometer (6), a temperature probe (7), a steam flow pipeline (8), an electromagnetic valve (9), a cooling liquid automatic reflux pipeline (10), a filter valve (11), a cooling water manual reflux pipeline (12), a manual valve (13), a condensed water reflux pipeline (14) and a dredging valve (15).
Fig. 1 shows a schematic structure of the present invention. The invention consists of a cooling water reflux main pipe (1), an upper steam flow pipeline (2), a lower steam flow pipeline (3), a temperature control instrument (4), an alternating current contactor (5), a hygrometer (6), a temperature probe (7), a steam flow pipeline (8), an electromagnetic valve (9), a cooling liquid automatic reflux pipeline (10), a filter valve (11), a cooling water manual reflux pipeline (12), a manual valve (13), a condensed water reflux pipeline (14) and a dredging valve (15); wherein, the hygrometer (6) and the temperature probe (7) are arranged on the upper steam flow pipeline (2), the electromagnetic valve (9) and the filter valve (11) are arranged on the automatic cooling liquid return pipeline (10), and the electromagnetic valve (9) automatically controls the circulation and closing of the automatic cooling liquid return pipeline (10); the manual valve (13) is arranged on the manual cooling water return pipeline (12), and the manual valve (13) manually controls the circulation and closing of the manual cooling water return pipeline (12); the flow-thinning valve (15) is arranged on the condensed water return pipeline (14), and the flow and closing of the condensed water return pipeline (14) are automatically controlled by the flow-thinning valve (15); the steam intercommunication pipeline (8) is connected with the upper steam flow pipeline (2) and the lower steam flow pipeline (3), and the automatic cooling liquid reflux pipeline (10), the manual cooling water reflux pipeline (12) and the condensed water reflux pipeline (14) are respectively connected with the upper steam flow pipeline (2), the lower steam flow pipeline (3) and the cooling water reflux main pipe (1); the temperature probe (7) is connected with the temperature control instrument (4), the temperature control instrument (4) is connected with the alternating current contactor (5), the electromagnetic valve (9) is connected with the alternating current contactor (5), and the electromagnetic valve (9) is automatically controlled to be opened and closed by the temperature control instrument (4), so that an automatic temperature control drainage system is formed.
The application principle of the invention is as follows:
The upper steam flow pipeline (2) and the lower steam flow pipeline (3) are connected to an upper steam flow pipeline and a lower steam flow pipeline of a heating drying, pushing, air dispersing and shaping device, a temperature value is set on the temperature control instrument (4), when cooling water exists in the steam flow pipeline, the steam temperature in the steam flow pipeline can be reduced, when the temperature fed back by the temperature probe (7) is lower than the temperature value set on the temperature control instrument (4), the electromagnetic valve (9) is started, the electromagnetic valve (9) is opened, cooling water exists in the steam flow pipeline and flows into the cooling water backflow main pipe (1) through the electromagnetic valve (9) and the cooling liquid automatic backflow pipeline (10), when the cooling liquid is discharged, the steam temperature in the steam flow pipeline can be increased, and when the temperature fed back by the temperature probe (7) is increased to the temperature value set on the temperature control instrument (4), the electromagnetic valve (9) is started, and the electromagnetic valve (9) is closed; when the electromagnetic valve (9) fails, the cooling water in the steam flow pipeline can be discharged to the cooling water manual reflux pipeline (12) by opening the manual valve (13) and flows into the cooling water reflux main pipe (1); when the steam flowing pipeline is internally provided with condensed water or the temperature of the steam is too high, the condensed water can be automatically discharged from the steam-discharging valve (15), and the steam can be decompressed from the steam-discharging valve (15), so that the pipeline is protected from being broken or pipe explosion, and potential safety hazards are effectively eliminated.

Claims (1)

1. An automatic control by temperature change drainage system, its characterized in that: the system consists of a cooling water reflux main pipe (1), an upper steam flow pipeline (2), a lower steam flow pipeline (3), a temperature control instrument (4), an alternating current contactor (5), a hygrometer (6), a temperature probe (7), a steam flow pipeline (8), an electromagnetic valve (9), a cooling liquid automatic reflux pipeline (10), a filter valve (11), a cooling water manual reflux pipeline (12), a manual valve (13), a condensed water reflux pipeline (14) and a dredging valve (15); wherein, the hygrometer (6) and the temperature probe (7) are arranged on the upper steam flow pipeline (2), the electromagnetic valve (9) and the filter valve (11) are arranged on the automatic cooling liquid return pipeline (10), and the electromagnetic valve (9) automatically controls the circulation and closing of the automatic cooling liquid return pipeline (10); the manual valve (13) is arranged on the manual cooling water return pipeline (12), and the manual valve (13) manually controls the circulation and closing of the manual cooling water return pipeline (12); the flow-thinning valve (15) is arranged on the condensed water return pipeline (14), and the flow and closing of the condensed water return pipeline (14) are automatically controlled by the flow-thinning valve (15); the steam intercommunication pipeline (8) is connected with the upper steam flow pipeline (2) and the lower steam flow pipeline (3), and the automatic cooling liquid reflux pipeline (10), the manual cooling water reflux pipeline (12) and the condensed water reflux pipeline (14) are respectively connected with the upper steam flow pipeline (2), the lower steam flow pipeline (3) and the cooling water reflux main pipe (1); the temperature probe (7) is connected with the temperature control instrument (4), the temperature control instrument (4) is connected with the alternating current contactor (5), the electromagnetic valve (9) is connected with the alternating current contactor (5), and the electromagnetic valve (9) is automatically controlled to be opened and closed by the temperature control instrument (4), so that an automatic temperature control drainage system is formed.
CN201811135687.4A 2018-09-28 2018-09-28 Automatic control by temperature change drainage system Active CN109058766B (en)

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CN109058766B true CN109058766B (en) 2024-05-07

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110284289B (en) * 2019-07-18 2023-09-12 上海航星机械(集团)有限公司 Drainage device and drainage method of ironing machine

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4744408A (en) * 1984-11-30 1988-05-17 Herzog-Hart Corporation Temperature control method and apparatus
US5881766A (en) * 1997-06-06 1999-03-16 Armstrong International, Inc. Manifold and station for mounting steam/condensate responsive devices in a condensate return line
KR20100096814A (en) * 2009-02-25 2010-09-02 삼성전자주식회사 Cooling system of fuel cell
CN104121481A (en) * 2014-07-30 2014-10-29 山东宏信化工股份有限公司 Double-flow-direction steam conveying system
CN105892521A (en) * 2016-04-19 2016-08-24 山东豪迈机械制造有限公司 Efficient temperature control system and temperature control method thereof
CN208859324U (en) * 2018-09-28 2019-05-14 广西南宁侨盛木业有限责任公司 A kind of automatic temperature-controlled drainage system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4744408A (en) * 1984-11-30 1988-05-17 Herzog-Hart Corporation Temperature control method and apparatus
US5881766A (en) * 1997-06-06 1999-03-16 Armstrong International, Inc. Manifold and station for mounting steam/condensate responsive devices in a condensate return line
KR20100096814A (en) * 2009-02-25 2010-09-02 삼성전자주식회사 Cooling system of fuel cell
CN104121481A (en) * 2014-07-30 2014-10-29 山东宏信化工股份有限公司 Double-flow-direction steam conveying system
CN105892521A (en) * 2016-04-19 2016-08-24 山东豪迈机械制造有限公司 Efficient temperature control system and temperature control method thereof
CN208859324U (en) * 2018-09-28 2019-05-14 广西南宁侨盛木业有限责任公司 A kind of automatic temperature-controlled drainage system

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