CN204240683U - A kind of recirculated water energy conserving system - Google Patents

A kind of recirculated water energy conserving system Download PDF

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Publication number
CN204240683U
CN204240683U CN201420734841.0U CN201420734841U CN204240683U CN 204240683 U CN204240683 U CN 204240683U CN 201420734841 U CN201420734841 U CN 201420734841U CN 204240683 U CN204240683 U CN 204240683U
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China
Prior art keywords
heat exchanger
water
control valve
tube connector
circulating pump
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CN201420734841.0U
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Chinese (zh)
Inventor
马兵
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Chongqing Moecular Water Treatment Equipment Co Ltd
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Chongqing Moecular Water Treatment Equipment Co Ltd
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Abstract

The utility model discloses a kind of recirculated water energy conserving system, comprise two frequency conversion water circulating pumps and heat exchanger, each described frequency conversion water circulating pump is all connected with described heat exchanger by pipeline; Described pipeline is provided with pressure transmitter and site pressure table; Temperature transmitter and electric control valve is disposed with in the exit position of described heat exchanger.The utility model provides a kind of can guarantee can the circulating water cooling system of quantified controlling.There is system works stablize, reduce the load of cooling tower, save energy consumption, control simple, easy to operately wait beneficial effect.

Description

A kind of recirculated water energy conserving system
Technical field
The utility model relates to a kind of recirculated water energy conserving system, specifically, is related specifically to a kind of circulating water cooling system reducing recirculated water energy consumption.
Background technology
Circulation is using water as cooling medium, and a kind of cooling water system recycled.Form primarily of cooling device, water pump and pipeline.After cold water flows through the production equipment (often claiming heat transmission equipment, as heat exchanger, condenser, reactor) needing cooling, temperature rises, if discharged at once, cold water is only used once (title once-through cooling water system).Make intensification cold water flow through cooling device then water temperature return and fall, available pump is sent production equipment back to and is reused, and the consumption of cold water reduces greatly, often can save more than 95%.Cooling water accounts for about 70% of industrial water consumption, and therefore, recirculating cooling water system plays the effect of saving a large amount of water for industrial use.
Circulating water cooling system is in the market when actual design, the impact of external environment can be considered, particularly summer and winter local limiting atmosphere temperature impact, cause the service condition that circulation is meeting summer climate will cause serious surplus to winter like this, existing circulation reaches energy-conservation effect by the forced ventilation fan of the quantity and closedown cooling tower that reduce water circulating pump, but actual conditions like this can not quantified controlling, often there will be water circulating pump stopped many one cause the reflux temperature of the pressure at heat exchanger place or underfed or heat exchanger to raise suddenly not coming and start blower fan of cooling tower, cause the impact on normal productive process.
Therefore those skilled in the art be devoted to develop a kind of can guarantee can the circulating water cooling system of quantified controlling.
Utility model content
Because the above-mentioned defect of prior art, technical problem to be solved in the utility model is to provide a kind of can guarantee can the circulating water cooling system of quantified controlling.
For achieving the above object, the utility model provides a kind of recirculated water energy conserving system, comprises two frequency conversion water circulating pumps and heat exchanger, and each described frequency conversion water circulating pump is all connected with described heat exchanger by pipeline; Described pipeline is provided with pressure transmitter and site pressure table; Temperature transmitter and electric control valve is disposed with in the exit position of described heat exchanger.
Adopt above technical scheme, when the heat exchange quantitative change at heat exchanger place is large, now temperature raises, and increases the open degree of corresponding electric control valve, thus reduces the pressure of circulating water main, now starts water circulating pump for subsequent use to reach the balance of output flow.When the heat exchange quantitative change hour at heat exchanger place, reduce the open degree of corresponding motor-driven valve, thus raise the pressure of circulating water main, now stop a balance just reaching output flow at operating circulating water pump.
For the ease of the inspection and maintenance of whole device, described pipeline comprises circulating pump discharge pipe and the first tube connector, the two ends of described circulating pump discharge pipe are connected with two water circulating pumps respectively, the middle part of circulating pump discharge pipe is connected with described first tube connector, and this first tube connector is connected with described heat exchanger by heat exchanger water inlet pipe.
In order to the operation enabling whole system more stable, described circulating pump discharge pipe is provided with the first control valve; Described pressure transmitter and site pressure table are arranged on described first tube connector.
As preferably, the number of described heat exchanger is two, and the exit position of each described heat exchanger is all disposed with electric control valve and temperature sensor; Each described heat exchanger is all connected with described first tube connector by described heat exchanger water inlet pipe; This heat exchanger water inlet pipe is provided with the second control valve.
As preferably, described heat exchanger is provided with heat exchanger outlet conduit, described electric control valve and temperature sensor are all arranged on described heat exchanger outlet conduit; The other end of this heat exchanger outlet conduit connects back cooling tower.
Conveniently overhaul and ensure the stable operation of system, two described frequency conversion water circulating pumps are connected by the second tube connector; This second tube connector is connected with the first cooling tower water cooling pond and the second cooling tower water cooling pond simultaneously.
Conveniently control discharge, as preferably, described second tube connector is provided with the first control valve and the second control valve; Described first control valve and the second control valve are separately positioned on the one end near each frequency conversion water circulating pump.
The beneficial effects of the utility model are: the utility model provides a kind of can guarantee can the circulating water cooling system of quantified controlling.There is system works stablize, reduce the load of cooling tower, save energy consumption, control simple, easy to operately wait beneficial effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model one detailed description of the invention.
In figure: frequency conversion water circulating pump 1, pressure transmitter 2, site pressure table 3, heat exchanger 4, temperature transmitter 5, electric control valve 6, pipeline 7, circulating pump discharge pipe 7a, the first tube connector 7b, heat exchanger water inlet pipe 7c, the first control valve 8, second control valve 9, heat exchanger outlet conduit 10, time cooling tower 11, second tube connector connect the 12, first cooling tower water cooling pond 13, second cooling tower water cooling pond 14, first control valve 15 and the second control valve 16.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail:
As shown in Figure 1, a kind of recirculated water energy conserving system, comprises two frequency conversion water circulating pumps 1 and the described frequency conversion water circulating pump 1 of 4, two, heat exchanger connects 12 by the second tube connector; This second tube connector 12 is connected with the first cooling tower water cooling pond 13 and the second cooling tower water cooling pond 14 simultaneously.
Described second tube connector 12 is provided with the first control valve 15 and the second control valve 16; Described first control valve 15 and the second control valve 16 are separately positioned on the one end near each frequency conversion water circulating pump 1.
Each described frequency conversion water circulating pump 1 is all connected with described heat exchanger 4 by pipeline 7; Described heat exchanger 4 is provided with heat exchanger outlet conduit 10, and described electric control valve 5 and temperature sensor 6 are all arranged on described heat exchanger outlet conduit 10; The other end of this heat exchanger outlet conduit 10 connects back cooling tower 11.Described pipeline 7 is provided with pressure transmitter 2 and site pressure table 3; Temperature transmitter 5 and electric control valve 6 is disposed with in the exit position of described heat exchanger 4.
Described pipeline 7 comprises circulating pump discharge pipe 7a and the first tube connector 7b, the two ends of described circulating pump discharge pipe 7a are connected with two water circulating pumps 1 respectively, the middle part of circulating pump discharge pipe 7a is connected with described first tube connector 7b, and this first tube connector 7b is connected with described heat exchanger 4 by heat exchanger water inlet pipe 7c.
Described circulating pump discharge pipe 7a is provided with the first control valve 8; Described pressure transmitter 2 and site pressure table 3 are arranged on described first tube connector 7b.
The number of described heat exchanger 4 is two, and the exit position of each described heat exchanger 4 is all disposed with electric control valve 5 and temperature sensor 6; Each described heat exchanger 4 is all connected with described first tube connector 7b by described heat exchanger water inlet pipe 7c; This heat exchanger water inlet pipe 7c is provided with the second control valve 9.Each frequency conversion water circulating pump 1 connects respectively at cooling tower water cooling pond.Be connected by pipeline with cooling tower water cooling pond at frequency conversion water circulating pump 1, and be provided with valve on pipeline.
When the heat exchange quantitative change at heat exchanger 4 place is large, now temperature raises, and increases the open degree of corresponding electric control valve 6, thus reduces the pressure of circulating water main, now starts water circulating pump for subsequent use to reach the balance of output flow.When the heat exchange quantitative change hour at heat exchanger place, reduce the open degree of corresponding motor-driven valve 6, thus raise the pressure of circulating water main, now stop a balance just reaching output flow at operating circulating water pump.
More than describe preferred embodiment of the present utility model in detail.Should be appreciated that those of ordinary skill in the art just can make many modifications and variations according to design of the present utility model without the need to creative work.Therefore, all technical staff in the art according to design of the present utility model on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment, all should by the determined protection domain of claims.

Claims (7)

1. a recirculated water energy conserving system, comprises two frequency conversion water circulating pumps (1) and heat exchanger (4), and each described frequency conversion water circulating pump (1) is all connected with described heat exchanger (4) by pipeline (7); It is characterized in that: on described pipeline (7), be provided with pressure transmitter (2) and site pressure table (3); Temperature transmitter (5) and electric control valve (6) is disposed with in the exit position of described heat exchanger (4).
2. a kind of recirculated water energy conserving system as claimed in claim 1, it is characterized in that: described pipeline (7) comprises circulating pump discharge pipe (7a) and the first tube connector (7b), the two ends of described circulating pump discharge pipe (7a) are connected with two water circulating pumps (1) respectively, the middle part of circulating pump discharge pipe (7a) is connected with described first tube connector (7b), and this first tube connector (7b) is connected with described heat exchanger (4) by heat exchanger water inlet pipe (7c).
3. a kind of recirculated water energy conserving system as claimed in claim 2, is characterized in that: on described circulating pump discharge pipe (7a), be provided with the first control valve (8); Described pressure transmitter (2) and site pressure table (3) are arranged on described first tube connector (7b).
4. a kind of recirculated water energy conserving system as claimed in claim 3, it is characterized in that: the number of described heat exchanger (4) is two, the exit position of each described heat exchanger (4) is all disposed with electric control valve (5) and temperature sensor (6); Each described heat exchanger (4) is all connected with described first tube connector (7b) by described heat exchanger water inlet pipe (7c); This heat exchanger water inlet pipe (7c) is provided with the second control valve (9).
5. a kind of recirculated water energy conserving system as claimed in claim 4, it is characterized in that: described heat exchanger (4) is provided with heat exchanger outlet conduit (10), described electric control valve (5) and temperature sensor (6) are all arranged on described heat exchanger outlet conduit (10); The other end of this heat exchanger outlet conduit (10) connects back cooling tower (11).
6. a kind of recirculated water energy conserving system as claimed in claim 1, is characterized in that: two described frequency conversion water circulating pumps (1) connect (12) by the second tube connector; This second tube connector (12) is connected with the first cooling tower water cooling pond (13) and the second cooling tower water cooling pond (14) simultaneously.
7. a kind of recirculated water energy conserving system as claimed in claim 6, is characterized in that: on described second tube connector (12), be provided with the first control valve (15) and the second control valve (16); Described first control valve (15) and the second control valve (16) are separately positioned on the one end near each frequency conversion water circulating pump (1).
CN201420734841.0U 2014-11-27 2014-11-27 A kind of recirculated water energy conserving system Active CN204240683U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420734841.0U CN204240683U (en) 2014-11-27 2014-11-27 A kind of recirculated water energy conserving system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420734841.0U CN204240683U (en) 2014-11-27 2014-11-27 A kind of recirculated water energy conserving system

Publications (1)

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CN204240683U true CN204240683U (en) 2015-04-01

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104848634A (en) * 2014-11-27 2015-08-19 重庆摩尔水处理设备有限公司 Circulating water energy-saving system
CN105806013A (en) * 2016-05-19 2016-07-27 山东成泰化工有限公司 Energy-saving method for petrochemical refinery circulating water field

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104848634A (en) * 2014-11-27 2015-08-19 重庆摩尔水处理设备有限公司 Circulating water energy-saving system
CN105806013A (en) * 2016-05-19 2016-07-27 山东成泰化工有限公司 Energy-saving method for petrochemical refinery circulating water field

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