CN102717500B - Injection workshop cooling water recirculation system - Google Patents
Injection workshop cooling water recirculation system Download PDFInfo
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- CN102717500B CN102717500B CN201210200456.3A CN201210200456A CN102717500B CN 102717500 B CN102717500 B CN 102717500B CN 201210200456 A CN201210200456 A CN 201210200456A CN 102717500 B CN102717500 B CN 102717500B
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Abstract
The invention discloses a kind of injection workshop cooling water recirculation system, comprise cistern and cooling water circulation pipeline, the pond body of cistern is separated into feed cistern and backwater sedimentation basin by partition wall, and the pool wall of feed cistern is provided with delivery port, and the top of backwater sedimentation basin is provided with cooling tower; Cooling water circulation pipeline comprises inlet pipeline, water return pipeline and is connected to into the cooling branch road between, water return pipeline, each cooling branch road comprises water inlet pipe road, water pump, heat-exchanger rig and return branch road successively, the water inlet in the water inlet pipe road of each cooling branch road is connected on water main pipeline, the delivery port in return branch road is connected on backwater main pipeline, between the delivery port that water pump is arranged on water inlet pipe road and the water inlet of heat-exchanger rig.Injection workshop cooling water recirculation system of the present invention is that each injection machine is equipped with supply-water pump, when therefore starting one or more injection machine according to the need of production of enterprise, only need start the supply-water pump of corresponding injection machine configuration.
Description
Technical field
The present invention relates to the cooling water recirculation system for injection workshop.
Background technology
At injection workshop, recirculated cooling water plays very important effect, the devices such as its main feeding cold water machine, injection machine oil cooler and barrel cooler carry out heat exchange (these devices are said from the angle of heat exchange and all be can be described as heat-exchanger rig), to reach Shooting Technique to temperature controlled requirement and the normal operation ensureing Hydraulic System for Injection Moulding Machine.In order to reduce the energy consumption of system, the cooling water recirculation system of appropriate design injection workshop is most important.
Current most of injection machine workshop provides cooling circulating water by a supply-water pump or with each injection machine in two to several supply-water pumps backward injection workshop in parallel simultaneously; the power usually occurred due to supply-water pump is less than normal; or the deviation of the resistance of ducting; cause the cooling water flow apart from supply-water pump injection machine far away inadequate; the hydraulic oil of Hydraulic System for Injection Moulding Machine is caused to can not get cooling timely; and cause mechanical disorder; or when the oil temperature of hydraulic oil is more than 55 degrees Celsius, there is the electric control system of the injection machine of temperature protection enter guard mode and shut down.In addition, if injection mold can not get the cooling of recirculated cooling water timely, can make extend and reduce production efficiency the cool time of production technology, and the plastic product of production generation defect is even scrapped.
According to supply-water pump that is high-power, large discharge in actual production, then energy resource consumption is excessive, and production cost improves, and when especially only having one or several injection machine work in workshop, also needs to run powerful supply-water pump, causes energy waste.As for the VFC circulating water supply system of advanced person, because the price of frequency conversion system is higher, electric control system maintenance technology requires high, and medium-sized and small enterprises' burden is heavy, current less employing.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of injection workshop cooling water recirculation system energy-conservation, easy to maintenance.
The technical scheme realizing the object of the invention is a kind of injection workshop cooling water recirculation system, comprises cistern, cooling water circulation pipeline and cooling tower; Cistern comprises pond body; Pond body comprises at the bottom of pool wall, pond and partition wall; Pond body is separated into feed cistern and backwater sedimentation basin by partition wall; The pool wall of feed cistern is provided with delivery port; Cooling tower is arranged on the top of backwater sedimentation basin, and cooling tower is provided with the water inlet pipe being positioned at top and the outlet pipe being positioned at below.
Cooling water circulation pipeline comprises inlet pipeline, water return pipeline and cooling branch road; Inlet pipeline comprises into water main pipeline; Water return pipeline comprises backwater main pipeline; Cooling branch road has 5 to 100, and each bar cooling branch road is all connected between water main pipeline and backwater main pipeline; The water inlet of water inlet main pipeline stretches in feed cistern from the delivery port of feed cistern; Backwater main pipeline is provided with distal exit mouth and near-end water return outlet; The near-end water return outlet of backwater main pipeline is connected with the water inlet pipe of cooling tower.
According to the flow direction of cooling water, each cooling branch road comprises water inlet pipe road, water pump, heat-exchanger rig and return branch road successively; The water inlet in the water inlet pipe road of each cooling branch road is connected on water main pipeline, water inlet pipe road is in series with into water maintenance gate valve; The delivery port in return branch road is connected on backwater main pipeline, return branch road is in series with backwater maintenance gate valve; Between the delivery port that water pump is arranged on water inlet pipe road and the water inlet of heat-exchanger rig; The delivery port of heat-exchanger rig is connected with the water inlet in return branch road.
1/2 ~ 2/3 part of the pond body of described cistern is positioned at the below on ground, and remainder is positioned at the top on ground; The below of the partition wall in the body of pond is provided with the through hole that feed cistern is communicated with backwater sedimentation basin, and this through hole arranges screen pack.
Pit is provided with at the bottom of the pond of described backwater sedimentation basin.
The height protruding upward the part on ground of described pond body is 1100mm ~ 1500mm, and the degree of depth of part is 2000mm ~ 2100mm below ground; 350mm ~ 450mm place of the delivery port side of resting on the ground of feed cistern; 350mm ~ 450mm place of the water inlet side of resting on the ground of the water pump on each cooling branch road of cooling water circulation pipeline.
The inlet pipeline of described cooling water circulation pipeline also comprises into water gate valve and water inlet discharge gate valve, and water inlet gate valve and water inlet discharge gate valve are all connected on on water main pipeline, and wherein intake the water inlet port of gate valve near water inlet main pipeline, and be positioned at outside feed cistern; Water inlet discharge gate valve is near the drain port place of water inlet main pipeline; Each cooling branch road far sets gradually according to the near of distance feed cistern, and wherein, Article 1 cooling branch road is near feed cistern, and the last item cooling branch road distance feed cistern farthest.
The inlet pipeline of described cooling water circulation pipeline also comprises into water screen pack; Water inlet screen pack is arranged on the water inlet into water main pipeline.
The water return pipeline of described cooling water circulation pipeline also comprises the first discharge tube, the second discharge tube, the second backwater discharge gate valve and the 3rd backwater discharge gate valve; The near-end water return outlet of backwater main pipeline by three-way connection respectively with the first discharge tube) water inlet be connected with the water inlet of the second discharge tube; The delivery port of the first discharge tube is connected with the water inlet pipe of cooling tower by the second backwater discharge gate valve; The delivery port of the second discharge tube is positioned at above backwater sedimentation basin, and the 3rd backwater discharge gate valve is connected on the second discharge tube.
Further, cooling water recirculation system also comprises supplementary water supply line; Supplementary water supply line is positioned at the top of feed cistern, and its delivery port is positioned at feed cistern.
Further, cooling water recirculation system also comprises and also comprises supply pond, drinking-water pipe, make-up pump, margin microswich and ball float; Margin microswich controls the open and close of make-up pump; The water inlet of drinking-water pipe is arranged in supply pond, and the delivery port of drinking-water pipe is connected with the water inlet of make-up pump, and the delivery port of make-up pump is connected with the water inlet of supplementary water supply line; Ball float swims in feed cistern, and the top of ball float is connected with the fork of margin microswich by single line; When the water surface elevation in feed cistern declines or rise, ball float declines thereupon or rises; The fork of margin microswich is driven to rotate in the process that ball float declines, thus the built-in switch opens of margin microswich and open make-up pump; When ball float rises, the fork of margin microswich resets, thus the built-in switch of margin microswich closes and turns off make-up pump.
The present invention has positive effect:
(1) injection workshop cooling water recirculation system of the present invention is that each injection machine is equipped with supply-water pump, when therefore starting one or more injection machine according to the need of production of enterprise, only need start corresponding supply-water pump.Cooling water recirculation system of the present invention, with the only supply-water pump of prior art or provide compared with the system of cooling circulating water with two to several supply-water pump each injection machines in injection workshop in parallel and saved energy consumption simultaneously.
(2) feed cistern of injection workshop cooling water recirculation system of the present invention supplies low pressure water source with higher water level to the water pump and water inlet main pipeline being about 600mm lower than water level, abundant reduction water pump draw resistance, and entirely eliminated the air that may enter in pipeline and water pump, and provide maximum cooling water flow to water cooling system, reach good cooling effect.
(3) when one of injection workshop cooling water recirculation system of the present invention or several water pumps or motor need keep in repair, only need closing fault water pump corresponding enter, backwater maintenance valve, then maintenance operation is carried out, can not impact whole cooling recirculation system, also can not affect the injection moulding of whole workshop and produce.And for the system of the only supply-water pump in prior art or the cool cycles that supplies water with each injection machine in two to several supply-water pumps backward injection workshop in parallel simultaneously, need repairing once water pump, will impact the production of whole injection workshop and even stop production.
Accompanying drawing explanation
Fig. 1 is the first structural representation of injection workshop cooling water recirculation system of the present invention;
Fig. 2 is the second structural representation of injection workshop cooling water recirculation system of the present invention;
Cistern wherein and cooling tower are drawn according to the high and low position on actual range ground, and cooling water circulation pipeline is wherein then draw according to the plane figure of pipeline.
Mark in above-mentioned accompanying drawing is as follows:
Pond body 1, pool wall 11, at the bottom of pond 12, partition wall 13, screen pack 13-1;
Feed cistern 2, delivery port 21;
Backwater sedimentation basin 3, pit 31;
Cooling tower 4, water inlet pipe 41, outlet pipe 42;
Supplement water supply line 51, margin microswich 52, ball float 53;
Ground 6;
Inlet pipeline 7, water inlet main pipeline 71, water inlet gate valve 72, water inlet discharge gate valve 73, water inlet screen pack 74;
Water return pipeline 8, backwater main pipeline 81, first discharge tube 82, second discharge tube 83, first backwater discharge gate valve 84, second backwater discharge gate valve the 85, three backwater discharge gate valve 86;
Cooling branch road 9, water inlet pipe road 91, water inlet maintenance gate valve 91-1, water pump 92, heat-exchanger rig 93, return branch road 94, backwater maintenance gate valve 94-1.
Detailed description of the invention
(embodiment 1)
See Fig. 1, the injection workshop cooling water recirculation system of the present embodiment comprises cistern, cooling water circulation pipeline, cooling tower 4 and supplementary water supply line 51.
Cistern comprises pond body 1.Pond body 1 to comprise at the bottom of pool wall 11, pond 12 and partition wall 13, and the bottom of partition wall 13 to be fixedly installed at the bottom of pond on 12, and the height of partition wall 13 is identical with the height of pool wall 11.1/2 ~ 2/3 part of pond body 1 is positioned at the below on ground 6, and remainder is positioned at the top on ground 6, both ensure that sufficient moisture storage capacity, and floor space is less simultaneously; In the present embodiment, the height protruding upward the part on ground 6 of pond body 1 is 1200mm, and the degree of depth being positioned at the part below ground 6 is 2000mm.
Pond body 1 is separated into two parts by partition wall 13, is respectively feed cistern 2 and backwater sedimentation basin 3.The below of partition wall 13 is provided with the through hole that feed cistern 2 is communicated with backwater sedimentation basin 3, and this through hole arranges screen pack 13-1, and the water therefore in backwater sedimentation basin 3 needs just can enter feed cistern 2 after screen pack 13-1.
On the pool wall of feed cistern 2, also namely the pool wall 11 belonging to feed cistern 2 side of pond body 1 is provided with delivery port 21, and delivery port 21 is positioned at the 400mm place above ground 6.
Supplement water supply line 51 and be positioned at the top of feed cistern 2, and its delivery port is positioned at feed cistern 2, the water level that can set in feed cistern 2 is above the ground level 1000mm usually, and described supplementary water supply can be provided by running water.Specifically open and close running water switch by manual operation to realize.Cooling water circulation pipeline comprises inlet pipeline 7, water return pipeline 8 and cooling branch road 9.
Inlet pipeline 7 comprises into water main pipeline 71, water inlet gate valve 72, water inlet discharge gate valve 73 and water inlet screen pack 74.In two ports of water inlet main pipeline 71,1 is water inlet port, and another 1 is drain port.Water inlet main pipeline 71 is provided with 5 to 100 water outlets be positioned in the middle of its two ends and props up mouth, and each water outlet is propped up a mouthful place and is equipped with 1 three-way connection.Water inlet screen pack 74 is arranged on the water inlet port into water main pipeline 71, and the water inlet port of water inlet main pipeline 71 stretches in feed cistern 2 from the delivery port 21 of feed cistern 2, and is positioned at below the water surface.Water in feed cistern 2 enters cooling water circulation pipeline after the filtration of screen pack 74 of intaking, and can ensure the cleaning of water in circulating line further.
Water inlet gate valve 72 and water inlet discharge gate valve 73 are all connected on on water main pipeline 71, and wherein, water inlet gate valve 72 near the water inlet port of water inlet main pipeline 71, and is positioned at outside feed cistern 2; Water inlet discharge gate valve 73 is near the drain port place of water inlet main pipeline 71.
Water return pipeline 8 comprises backwater main pipeline 81 and the first backwater discharge gate valve 84.In two ports of backwater main pipeline 81,1 is distal exit mouth, and another 1 is near-end water return outlet.The distal exit mouth of described backwater main pipeline 8 is distance backwater sedimentation basin 3 floss holes farthest.Backwater main pipeline 81 is provided with the quantity be positioned in the middle of its two ends and props up mouth with the water inlet that the water outlet of water inlet main pipeline 71 props up mouth identical, and each water inlet is propped up a mouthful place and is equipped with 1 three-way connection.The near-end water return outlet of backwater main pipeline 81 is connected with the water inlet pipe 41 of cooling tower 4.First backwater discharge gate valve 84 is connected on backwater main pipeline 81, and the distal exit mouth of close backwater main pipeline 81.Cooling branch road 9 has 5 to 100 (the present embodiment is 20), and each cooling branch road 9 is connected in parallel on between water main pipeline 71 and backwater main pipeline 81, and far sets gradually according to the near of distance feed cistern 2.Wherein, Article 1 cooling branch road 9 is near feed cistern 2, and the last item cooling branch road 9 apart from feed cistern 2 farthest.Each bar cooling branch road 9, according to the flow direction of cooling water, comprises the water inlet pipe road 91, water pump 92, the heat-exchanger rig 93 of injection machine and the return branch road 94 that are connected successively.The corresponding water outlet that the water inlet in the water inlet pipe road 91 of each cooling branch road 9 is connected to into water main pipeline 71 is propped up on mouth, water inlet pipe road 91 is in series with into water maintenance gate valve 91-1; The delivery port in return branch road 94 is connected on a corresponding water inlet mouth of backwater main pipeline 81, return branch road 94 is in series with backwater maintenance gate valve 94-1.Water pump 92 is arranged between the delivery port in water inlet pipe road 91 and the water inlet of heat-exchanger rig 93, and the height of the water inlet of each water pump 92 is lower than the water surface in feed cistern 2, and both are about 600mm at the distance of difference.The delivery port of heat-exchanger rig 93 is connected with the water inlet in return branch road 94.The device that oil cooler and barrel cooler etc. that described heat-exchanger rig 93 comprises injection machine need heat exchange to lower the temperature.
Water level in feed cistern 2 remains on the 1000mm above ground 6 usually, therefore the water level in cistern is higher than the water inlet of the water inlet main pipeline 71 of cooling water recirculation system and the water inlet higher than the water pump 92 be connected to into each cooling branch road 9 on water main pipeline 71, therefore the water level in feed cistern 2 can make water pump 92 obtain sufficient low-pressure water, does not need suction to be just filled with low-pressure water when water pump 92 starts; Its technique effect, one is the power consumption reducing water pump compared with the drawing-in type cistern adopted at present.Two is that water level in feed cistern 2 can make the water inlet of water pump 92 remain at very sufficient low water pressure conditions, once water pump gland wearing and tearing, low-pressure water can leak out, and can be found in time, and can obtain maintenance in time by the maintenance personal patrolled and examined.Three is that air can not infiltrate in the circulatory system, and water pump 92 can export the maximum output output not having bubble.
Cooling tower 4 is positioned at the top of backwater sedimentation basin 3, and the design of cooling water discharge capacity per hour of cooling tower 4 is 1.5 ~ 2 times that in workshop, the demand cooling per hour of all injection machines supplies water inventory; The cooling circulating water of the circulatory system, after cooling branch road 9 accordingly and carrying out exchange heat, enters in cooling tower 4 through backwater main pipeline 81 and water inlet pipe 41 successively and cools, then enter in backwater sedimentation basin 3 through outlet pipe 42.Be provided with pit 31 at the bottom of the pond of backwater sedimentation basin 3, the dirt in pit 31 is extracted eliminating by sludge pump (not shown in FIG.) after concentrating in pit 31 by the dirt after backwater precipitation.
When the pump housing of one or several water pump 92 of injection workshop cooling water recirculation system of the present invention or corresponding motor need keep in repair, only need the water inlet maintenance gate valve 91-1 corresponding to closing fault water pump 92 and backwater maintenance gate valve 94-1, then maintenance operation can be carried out, can not impact whole cooling recirculation system, also can not affect the injection moulding of whole workshop and produce.And for the system of an only supply-water pump of prior art or the cool cycles that supplies water with each injection machine in two to several supply-water pumps backward injection workshop in parallel simultaneously, need repairing once water pump, will impact the production of whole injection workshop and even stop production.
The energy saving comparison of injection workshop cooling water recirculation system of the present invention and existing system:
For Changzhou Wan Jia happy plastics Co., Ltd injection workshop 20 (large, medium and small) injection machines:
Adopt system of the present invention, for 15 medium and small injection machines, every platform configures the water pump (15 × 125 watts=1875 watts) of 125 watts, for 5 large size plastic jetting-moulding devices, every platform configures two water pumps, the water pump of 125 watts, (5 × 125 watts=625 watts, the water pump of 550 watts, 5 × 550 watts w=2750 watt, amount to 3375 watts); Whole unlatching general power 5.25kW.
When using existing system design arrangement, it is in parallel that pump power is generally two 7kW water pumps.Power opened by 2 7kW water pumps be 14kW(is then 7kW as started one), in whole year production 300 days:
A 7kW power water pump uses annual 300 days: 7kW × 24 × 300=50400kWh/ in 24 hours.
Two 7kW power water parallels connection of pumps use: 7kW × 2 × 24 × 300=100800kWh/.
New type water cooling recirculation system general power is adopted to be 5.25kW × 24 × 300=37800kWh/.
Relative usage 7kW water pump power consumption whole year 50400kWh, after employing present system (50400kWh-37800kWh=12600kWh), the whole year can save energy: 12600kWh.
Relative usage two 7kW water pump power consumption whole year 100800kWh, after employing present system (100800kWh-37800kWh=63000kWh), the whole year can save energy: 63000kWh.Described energy unit kWh is kilowatt-hour, and being called for short kilowatt hour, is also the number of degrees being commonly called as electricity consumption.
Therefore cooling water recirculation system of the present invention can reduce mass energy waste, meets the global regulation policy that national energy-saving reduces discharging.
(embodiment 2)
The remainder of the present embodiment is identical with embodiment 1, and difference is: also comprise supply pond, drinking-water pipe, make-up pump, margin microswich 52 and ball float 53.Margin microswich 52 controls the open and close of make-up pump.Supply pond not shown in FIG., drinking-water pipe and make-up pump.
Make-up pump water inlet is connected with drinking-water pipe, and the bottom vertical of drinking-water pipe is arranged, and its lower port stretches into the bottom in supply pond.The delivery port of make-up pump is connected with the water inlet of supplementary water supply line 51.Ball float 53 swims in feed cistern 2, and the top of ball float 53 is connected by the fork of single line with margin microswich 52.When the water surface elevation in feed cistern 2 declines, ball float 53 declines thereupon, drives the fork of margin microswich 52 to rotate in the process that ball float 53 declines.In the present embodiment when ball float 53 drops to below 1000mm along with the water surface elevation be positioned at above ground 6 in feed cistern 2, the downward active force of ball float 53 drives fork to rotate, cause the built-in switch opens of margin microswich 52, starting make-up pump, after make-up pump extracts make-up water by corresponding pipeline from supply pond, being filled with feed cistern 2 by supplementing water supply line 51.When the water level in feed cistern 2 rise to be above the ground level 1050mm time, then ball float 53 is along with water surface floating, and the fork of margin microswich 52 resets, and the built-in switch of margin microswich 52 cuts out, turn off make-up pump, thus the water yield in feed cistern can be supplemented timely.Margin microswich 52 in the present embodiment is the RL8 type margin microswich manufactured by Yueqing City Lan Niao Electronics Co., Ltd..
Supply pond can be set to the supply pond having rain collecting function concurrently by enterprise with good conditionsi, and part or all water supply supplementary is supplied by rainwater.
(embodiment 3)
See Fig. 2, the remainder of the present embodiment is identical with embodiment 1, and difference is: water return pipeline 8 also comprises the first discharge tube 82, second discharge tube 83, second backwater discharge gate valve 85 and the 3rd backwater discharge gate valve 86.The near-end water return outlet of backwater main pipeline 81 is connected with the water inlet of the second discharge tube 83 with the water inlet of the first discharge tube 82 respectively by corresponding three-way connection.First discharge tube 82 is connected with the water inlet pipe 41 of cooling tower 4 by the second backwater discharge gate valve 85.The delivery port of the second discharge tube 83 is positioned at above backwater sedimentation basin 3, and the 3rd backwater discharge gate valve 86 is connected on the second discharge tube 83.
Claims (9)
1. an injection workshop cooling water recirculation system, comprises cistern, cooling water circulation pipeline and cooling tower (4); It is characterized in that: cistern comprises pond body (1); Pond body (1) comprises (12) at the bottom of pool wall (11), pond and partition wall (13); Pond body (1) is separated into feed cistern (2) and backwater sedimentation basin (3) by partition wall (13), and the below of partition wall (13) is provided with the through hole that feed cistern (2) is communicated with backwater sedimentation basin (3), and this through hole is arranged screen pack (13-1); The pool wall of feed cistern (2) is provided with delivery port (21); Cooling tower (4) is arranged on the top of backwater sedimentation basin (3), and cooling tower (4) is provided with the water inlet pipe (41) being positioned at top and the outlet pipe (42) being positioned at below;
Cooling water circulation pipeline comprises inlet pipeline (7), water return pipeline (8) and cooling branch road (9); Inlet pipeline (7) comprises into water main pipeline (71); Water return pipeline (8) comprises backwater main pipeline (81); Cooling branch road (9) has 5 to 100, and each bar cooling branch road (9) is all connected between water main pipeline (71) and backwater main pipeline (81); The water inlet of water inlet main pipeline (71) stretches in feed cistern (2) from the delivery port (21) of feed cistern (2); Backwater main pipeline (81) is provided with distal exit mouth and near-end water return outlet; The near-end water return outlet of backwater main pipeline (81) is connected with the water inlet pipe (41) of cooling tower (4);
According to the flow direction of cooling water, each cooling branch road (9) comprises water inlet pipe road (91), water pump (92), heat-exchanger rig (93) and return branch road (94) successively; The water inlet in the water inlet pipe road (91) of each cooling branch road (9) is connected on water main pipeline (71), water inlet pipe road (91) is in series with into water maintenance gate valve (91-1); The delivery port in return branch road (94) is connected on backwater main pipeline (81), return branch road (94) is in series with backwater maintenance gate valve (94-1); Water pump (92) is arranged between the delivery port in water inlet pipe road (91) and the water inlet of heat-exchanger rig (93); The delivery port of heat-exchanger rig (93) is connected with the water inlet of return branch road (94).
2. injection workshop cooling water recirculation system according to claim 1, is characterized in that: 1/2 ~ 2/3 part of the pond body (1) of described cistern is positioned at the below of ground (6), and remainder is positioned at the top of ground (6).
3. injection workshop cooling water recirculation system according to claim 1, is characterized in that: be provided with pit (31) at the bottom of the pond of described backwater sedimentation basin (3).
4. injection workshop cooling water recirculation system according to claim 2, is characterized in that: the height protruding upward the part on ground (6) of pond body (1) is 1100mm ~ 1500mm, and the degree of depth of ground (6) inferior portion is 2000mm ~ 2100mm; The delivery port (21) of feed cistern (2) is positioned at 350mm ~ 450mm place of top, ground (6); The water inlet of the water pump (92) on each cooling branch road (9) of cooling water circulation pipeline is positioned at 350mm ~ 450mm place of top, ground (6).
5. injection workshop cooling water recirculation system according to claim 1, it is characterized in that: the inlet pipeline (7) of cooling water circulation pipeline also comprises into water gate valve (72) and water inlet discharge gate valve (73), water inlet gate valve (72) and water inlet discharge gate valve (73) are all connected on on water main pipeline (71), wherein intake the water inlet port of gate valve (72) near water inlet main pipeline (71), and be positioned at feed cistern (2) outward; Water inlet discharge gate valve (73) is near the drain port place of water inlet main pipeline (71); Each cooling branch road (9) far sets gradually according to the near of distance feed cistern (2), and wherein, Article 1 cooling branch road (9) is near feed cistern (2), and the last item cooling branch road (9) distance feed cistern (2) farthest.
6. injection workshop cooling water recirculation system according to claim 1, is characterized in that: the inlet pipeline (7) of cooling water circulation pipeline also comprises into water screen pack (74); Water inlet screen pack (74) is arranged on the water inlet into water main pipeline (71).
7. injection workshop cooling water recirculation system according to claim 1, is characterized in that: the water return pipeline (8) of cooling water circulation pipeline also comprises the first discharge tube (82), the second discharge tube (83), the second backwater discharge gate valve (85) and the 3rd backwater discharge gate valve (86); The near-end water return outlet of backwater main pipeline (81) is connected with the water inlet of the second discharge tube (83) with the water inlet of the first discharge tube (82) respectively by three-way connection; The delivery port of the first discharge tube (82) is connected with the water inlet pipe (41) of cooling tower (4) by the second backwater discharge gate valve (85); The delivery port of the second discharge tube (83) is positioned at backwater sedimentation basin (3) top, and the 3rd backwater discharge gate valve (86) is connected on the second discharge tube (83).
8. injection workshop cooling water recirculation system according to claim 1, is characterized in that: also comprise supplementary water supply line (51); Supplement the top that water supply line (51) is positioned at feed cistern (2), and its delivery port is positioned at feed cistern (2).
9. injection workshop cooling water recirculation system according to claim 8, is characterized in that: also comprise supply pond, drinking-water pipe, make-up pump, margin microswich (52) and ball float (53); Margin microswich (52) controls the open and close of make-up pump; The water inlet of drinking-water pipe is arranged in supply pond, and the delivery port of drinking-water pipe is connected with the water inlet of make-up pump, and the delivery port of make-up pump is connected with the water inlet of supplementary water supply line (51); Ball float (53) swims in feed cistern (2), and the top of ball float (53) is connected by the fork of single line with margin microswich (52); When the water surface elevation in feed cistern (2) declines or rise, ball float (53) declines thereupon or rises; The fork of margin microswich (52) is driven to rotate in the process that ball float (53) declines, thus the built-in switch opens of margin microswich (52) and open make-up pump; When ball float (53) rises, the fork of margin microswich (52) resets, thus the built-in switch of margin microswich (52) closes and turns off make-up pump.
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| CN201210200456.3A CN102717500B (en) | 2012-06-15 | 2012-06-15 | Injection workshop cooling water recirculation system |
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| CN103225966B (en) * | 2013-04-26 | 2015-01-14 | 天津东榛橡胶有限公司 | Circulation cooling water cooling device in rubber processing field |
| CN103950134A (en) * | 2014-04-24 | 2014-07-30 | 芜湖君禾电线电缆有限公司 | Cooling water circulation device |
| CN106541684A (en) * | 2015-09-18 | 2017-03-29 | 中电电气(上海)太阳能科技有限公司 | A kind of cooling circulating water system for workshop laminating machine vavuum pump |
| CN105704986B (en) * | 2016-03-25 | 2018-07-24 | 广东申菱环境系统股份有限公司 | It is a kind of for return water double loop cooling recirculation system |
| CN110243196B (en) * | 2019-06-21 | 2020-09-11 | 南通欣源污泥处置科技有限公司 | Recirculated cooling water and waste gas condensate pipeline arrangement structure |
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| SU868011A1 (en) * | 1979-11-12 | 1981-09-30 | Уральский Филиал Всесоюзного Дважды Ордена Трудового Красного Знамени Теплотехнического Института Им.Ф.Э.Дзержинского | Recirculation system of technical water supply |
| KR20120033620A (en) * | 2010-09-30 | 2012-04-09 | 대우조선해양 주식회사 | Cooling system for vessel |
| CN202685258U (en) * | 2012-06-15 | 2013-01-23 | 常州万家乐塑料有限公司 | Cooling water circulation system of injection molding workshop |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10335720A (en) * | 1997-05-27 | 1998-12-18 | Mitsubishi Electric Corp | Refrigerator for laser system |
| CN1235000C (en) * | 2003-12-22 | 2006-01-04 | 禤甲海 | Multiple circulation high efficiency full automatic water cooling central air conditioner system |
| CN201302390Y (en) * | 2008-11-27 | 2009-09-02 | 浙江舒奇蒙能源科技有限公司 | Bicirculating heat exchange water cooling tower |
| CN101709921B (en) * | 2009-12-21 | 2011-07-20 | 北京京诚凤凰工业炉工程技术有限公司 | System and method thereof for recovering waste heat of cooled piece of heating furnace |
| CN102251988A (en) * | 2011-07-08 | 2011-11-23 | 中国铝业股份有限公司 | Circulating water-saving method for aluminum electrolysis flue gas purification fan cooling system |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU868011A1 (en) * | 1979-11-12 | 1981-09-30 | Уральский Филиал Всесоюзного Дважды Ордена Трудового Красного Знамени Теплотехнического Института Им.Ф.Э.Дзержинского | Recirculation system of technical water supply |
| KR20120033620A (en) * | 2010-09-30 | 2012-04-09 | 대우조선해양 주식회사 | Cooling system for vessel |
| CN202685258U (en) * | 2012-06-15 | 2013-01-23 | 常州万家乐塑料有限公司 | Cooling water circulation system of injection molding workshop |
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