CN104848733A - Descaling and rinsing device for plate heat exchange unit - Google Patents
Descaling and rinsing device for plate heat exchange unit Download PDFInfo
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- CN104848733A CN104848733A CN201410585518.6A CN201410585518A CN104848733A CN 104848733 A CN104848733 A CN 104848733A CN 201410585518 A CN201410585518 A CN 201410585518A CN 104848733 A CN104848733 A CN 104848733A
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Abstract
The invention discloses a descaling and rinsing device for a plate heat exchange unit. The descaling and rinsing device comprises a dosing circulating device. The dosing circulating device is mainly composed of a rinsing tube, a rinsing pump, a first drug box, a second drug box, a pH value detector and a control box. The rinsing pump is arranged on the rinsing tube, and a water inlet valve and a water outlet valve are further arranged at the inlet end and the outlet end of the rinsing tube respectively. The first drug box and the second drug box are arranged at the water distribution front end of the rinsing pump side by side, and the water outlet end of the first drug box and the water outlet end of the second drug box are both connected with a drug distribution tube. The drug distribution tube is then connected with the rinsing tube, and the drug distribution tube is connected to the rinsing tube in front of the rinsing pump. A sampling tube is further connected to the rinsing tube in front of the rinsing pump, and a sampling valve is arranged on the sampling tube. The pH value detector is arranged to the sampling tube behind the sampling valve, and the pH value detector and the rinsing pump are connected with the control box through wires. The descaling and rinsing device for the plate heat exchange unit has the advantages of being simple in structure, convenient to operate, low in cost and the like, saves water and time, and is good in using effect and convenient to apply and popularize.
Description
Technical field
The present invention relates to heat-exchange unit technical field, specifically a kind of plate-type heat-exchange unit descaling rinsing device.
Background technology
In plate-type heat-exchange unit, owing to running at relatively high temperatures for a long time, the easy fouling of its plate type heat exchanger, and if plate type heat exchanger scale removal not in time after fouling, not only can reduce heat transfer effect, and increase hydraulic resistance, exacerbate corrosion simultaneously.Therefore, in order to ensure that plate-type heat-exchange unit efficiently, for a long time runs, to the scale removal of plate type heat exchanger by extremely important.At present, the method for disassembling and regular dosing round-robin method two kinds are generally adopted to plate type heat exchanger scale removal.The method of disassembling is disassembled at plate type heat exchanger scene, then manual cleaning heat exchange plate, re-assemblies after cleaning, and this method scale removal is comparatively thorough but time-consuming, effort, and easily causes the loss of gasket seal; Regular dosing round-robin method is in the circulation pipe network of plate type heat exchanger both sides, note adding medicine scale removal, and by circulating pump iterative cycles, although this avoids the trouble disassembling plate type heat exchanger, but utilize circulation pipe network to circulate scale removal to plate type heat exchanger, note is not only needed to add a large amount of medicament, but also take electricity, water wasting, also long to the time of descaling rinsing, cost is high.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, the object of the present invention is to provide that a kind of cost is low, easy and simple to handle, energy-saving and water-saving and the good plate-type heat-exchange unit descaling rinsing device of result of use.
The technical solution adopted for the present invention to solve the technical problems is: a kind of plate-type heat-exchange unit descaling rinsing device comprises dosing EGR, described dosing EGR is primarily of scavenge pipe, scavenging pump, medicine-chest one, medicine-chest two, pH value detector and control cabinet composition, scavenge pipe is equipped with scavenging pump, scavenge pipe was provided with inlet pressure gauge before scavenging pump, scavenge pipe is provided with delivery gauge after scavenging pump, also water intaking valve is housed at the entrance point of scavenge pipe, scavenge pipe is equipped with outlet valve at the port of export, medicine-chest one and medicine-chest two are disposed side by side on the water distribution front end of scavenging pump, and medicine-chest one is connected with the pipe that makes up a prescription respectively with the water outlet of medicine-chest two, the Guan Zaiyu scavenge pipe that makes up a prescription connects, and the pipe that makes up a prescription be connected to scavenging pump before scavenge pipe on, the outlet pipe of medicine-chest one and medicine-chest two is also equipped with the valve that makes up a prescription respectively, scavenge pipe was also connected to probe tube before scavenging pump, and on probe tube, sample valve is housed, probe tube is equipped with pH value detector after sample valve, described pH value detector is connected with control cabinet by wire respectively with scavenging pump.Conveniently move and carry, described scavenge pipe, scavenging pump, medicine-chest one, medicine-chest two, pH value detector and control cabinet are all installed on same underframe.
When carrying out descaling rinsing to plate type heat exchanger, only dosing EGR need be connected on plate-type heat-exchange unit and be made up a prescription, injection and descaling rinsing, described plate-type heat-exchange unit comprises plate type heat exchanger, an import of plate type heat exchanger is connected with a feed pipe and primary water pipe respectively with once exporting, the secondary outlet of plate type heat exchanger is connected with secondary returning water pipe with secondary import difference secondary water-supply pipe, and plate type heat exchanger import and secondary export lay respectively at plate type heat exchanger once outlet and secondary import on, described secondary water-supply pipe is equipped with valve one, described secondary returning water pipe is equipped with circulating pump, secondary returning water pipe is equipped with valve two after circulating pump, secondary returning water pipe was connected with filling pipe before circulating pump, filling pipe is equipped with small pump, walk around plate type heat exchanger to be provided with bypass pipe and to be connected with secondary water-supply pipe and secondary returning water pipe respectively, and one end of bypass pipe is connected on the secondary water-supply pipe before valve one, the other end of bypass pipe is connected to the secondary returning water pipe after valve two, bypass pipe is also equipped with by-passing valve, a described feed pipe is equipped with valve three, one time feed pipe is equipped with temperature-sensing valve after valve three, described primary water pipe is equipped with valve four, filling pipe after small pump is also provided with interface, and at interface, priming valve is housed, before the by-passing valve of bypass pipe, after be respectively equipped with interface, and the interface before by-passing valve is equipped with back-water valve (BWV), interface after by-passing valve is equipped with circulating valve, one time feed pipe is also provided with interface after temperature-sensing valve, and also back-water valve (BWV) is housed at this interface, primary water pipe was provided with interface before valve four, and also circulating valve is housed at this interface, secondary returning water pipe is also equipped with atmospheric valve one after valve two, primary water pipe was equipped with atmospheric valve two before valve four.
During cleaning plate type heat exchanger, priming valve is connected by the medicine-chest one of tube connector and dosing EGR and medicine-chest two, back-water valve (BWV) is connected by the water intaking valve of tube connector with dosing EGR, be connected by the outlet valve of tube connector with dosing EGR by circulating valve, described tube connector is the one in corrosion resistant plastic flexible pipe, rubber hose and metal hose again.During operation, to the primary side of plate type heat exchanger and secondary side separately, descaling rinsing respectively.When cleaning the primary side of plate type heat exchanger, first valve-off three and valve four, open after atmospheric valve two discharges water and close, connect dosing EGR again, and by small pump, water dispense is added to medicine-chest one and medicine-chest two, then carry out descaling rinsing according to the descaling rinsing method of regulation, after cleaning to be cleaned terminates, remove dosing EGR, open valve three and valve four, plate type heat exchanger primary side recovers normal; Equally, when cleaning the secondary side of plate type heat exchanger, first valve-off one and valve two, close after opening atmospheric valve one unwatering, connect dosing EGR again and carry out descaling rinsing, after cleaning to be cleaned terminates, remove dosing EGR, open valve one and valve two, plate exchanger secondary side recovers normal.
The invention has the beneficial effects as follows, the present invention has that structure is simple, easy to operate, low cost and other advantages, and water saving, saves time, and result of use is good, easy to utilize.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present invention;
Accompanying drawing 2 is scheme of installation one of the present invention;
Accompanying drawing 3 is scheme of installation two of the present invention.
In figure, 1, priming valve, 2, back-water valve (BWV), 3, tube connector, 4, dosing EGR, 5, circulating valve, 6, plate type heat exchanger, 7, by-passing valve, 8, bypass pipe, 9, valve one, 10, secondary water-supply pipe, 11, filling pipe, 12, small pump, 13, secondary returning water pipe, 14, circulating pump, 15, valve two, 16, atmospheric valve one, 17, a feed pipe, 18, valve three, 19, temperature-sensing valve, 20, primary water pipe, 21, valve four, 22, atmospheric valve two, 401, water intaking valve, 402, inlet pressure gauge, 403, scavenge pipe, 404, scavenging pump, 405, delivery gauge, 406, outlet valve, 407, medicine-chest one, 408, medicine-chest two, 409, make up a prescription valve, 410, make up a prescription pipe, 411, sample valve, 412, probe tube, 413, pH value detector, 414, control cabinet, 415, wire.
Detailed description of the invention
With regard to accompanying drawing 1 ~ accompanying drawing 3, a kind of plate-type heat-exchange unit descaling rinsing device of the present invention is described in detail below below.
As shown in accompanying drawing 1 ~ accompanying drawing 3, a kind of plate-type heat-exchange unit descaling rinsing device of the present invention comprises dosing EGR 4, described dosing EGR 4 is primarily of scavenge pipe 403, scavenging pump 404, medicine-chest 1, medicine-chest 2 408, pH value detector 413 and control cabinet 414 form, scavenge pipe 403 is equipped with scavenging pump 404, scavenge pipe 403 was provided with inlet pressure gauge 402 before scavenging pump 404, scavenge pipe 403 is provided with delivery gauge 405 after scavenging pump 404, at the entrance point of scavenge pipe 403, water intaking valve 401 is also housed, scavenge pipe 403 is equipped with outlet valve 406 at the port of export, medicine-chest 1 and medicine-chest 2 408 are disposed side by side on the water distribution front end of scavenging pump 404, and medicine-chest 1 is connected with the pipe 410 that makes up a prescription respectively with the water outlet of medicine-chest 2 408, the pipe 410 that makes up a prescription is connected with scavenge pipe 403 again, and the pipe 410 that makes up a prescription is connected on the scavenge pipe 403 before scavenging pump 404, the outlet pipe of medicine-chest 1 and medicine-chest 2 408 is also equipped with the valve 409 that makes up a prescription respectively, scavenge pipe 403 was also connected to probe tube 412 before scavenging pump 404, and on probe tube 412, sample valve 411 is housed, probe tube 411 is equipped with pH value detector 413 after sample valve 412, described pH value detector 413 is connected with control cabinet 414 by wire 415 respectively with scavenging pump 404.Conveniently move and carry, described scavenge pipe 403, scavenging pump 404, medicine-chest 1, medicine-chest 2 408, pH value detector 413 and control cabinet 414 are all installed on same underframe.
When carrying out descaling rinsing to plate type heat exchanger 6, only dosing EGR 4 need be connected on plate-type heat-exchange unit and be made up a prescription, injection and descaling rinsing, described plate-type heat-exchange unit comprises plate type heat exchanger 6, an import of plate type heat exchanger 6 is connected with a feed pipe 17 and primary water pipe 20 respectively with once exporting, plate type heat exchanger 6 secondary outlet with secondary import respectively secondary water-supply pipe 10 be connected with secondary returning water pipe 13, and plate type heat exchanger 6 import and secondary export lay respectively at plate type heat exchanger 6 once outlet and secondary import on, described secondary water-supply pipe 10 is equipped with valve 1, described secondary returning water pipe 13 is equipped with circulating pump 14, secondary returning water pipe 13 is equipped with valve 2 15 after circulating pump 14, secondary returning water pipe 13 was connected with filling pipe 11 before circulating pump 14, filling pipe 11 is equipped with small pump 12, walk around plate type heat exchanger 6 to be provided with bypass pipe 8 and to be connected with secondary water-supply pipe 10 and secondary returning water pipe 13 respectively, and one end of bypass pipe 8 is connected on the secondary water-supply pipe 10 before valve 1, the other end of bypass pipe 8 is connected to the secondary returning water pipe 13 after valve 2 15, bypass pipe 8 is also equipped with by-passing valve 7, a described feed pipe 17 is equipped with valve 3 18, one time feed pipe 17 is equipped with temperature-sensing valve 19 after valve 3 18, described primary water pipe 20 is equipped with valve 4 21, filling pipe 11 after small pump 12 is also provided with interface, and at interface, priming valve 1 is housed, before the by-passing valve 7 of bypass pipe 8, after be respectively equipped with interface, and the interface before by-passing valve 7 is equipped with back-water valve (BWV) 2, interface after by-passing valve 7 is equipped with circulating valve 5, one time feed pipe 17 is also provided with interface after temperature-sensing valve 19, and at this interface, back-water valve (BWV) 2 is also housed, primary water pipe 20 was provided with interface before valve 4 21, and at this interface, circulating valve 5 is also housed, secondary returning water pipe 13 is also equipped with atmospheric valve 1 after valve 2 15, primary water pipe 20 was equipped with atmospheric valve 2 22 before valve 4 21.
During cleaning plate type heat exchanger 6, priming valve 1 is connected by the medicine-chest 1 of tube connector 3 and dosing EGR 4 and medicine-chest 2 408, back-water valve (BWV) 2 is connected with the water intaking valve 401 of dosing EGR 4 by tube connector 3, be connected with the outlet valve 406 of dosing EGR 4 by tube connector 3 by circulating valve 5, described tube connector 3 is the one in corrosion resistant plastic flexible pipe, rubber hose and metal hose again.During operation, to the primary side of plate type heat exchanger 6 and secondary side separately, descaling rinsing respectively.When cleaning the primary side of plate type heat exchanger 6, first valve-off 3 18 and valve 4 21, open after atmospheric valve 2 22 discharges water and close, connect dosing EGR 4 again, and add water dispense by small pump 12 pairs of medicine-chests 1 and medicine-chest 2 408, then carry out descaling rinsing according to the descaling rinsing method of regulation, after cleaning to be cleaned terminates, remove dosing EGR 4, open valve 3 18 and valve 4 21, plate type heat exchanger 6 primary side recovers normal; Equally, when cleaning the secondary side of plate type heat exchanger 6, first valve-off 1 and valve 2 15, close after opening atmospheric valve 1 unwatering, connect dosing EGR 4 again and carry out descaling rinsing, after cleaning to be cleaned terminates, remove dosing EGR 4, open valve 1 and valve 2 15, plate type heat exchanger 6 secondary side recovers normal.
Claims (3)
1. a plate-type heat-exchange unit descaling rinsing device comprises dosing EGR, it is characterized in that, described dosing EGR is primarily of scavenge pipe, scavenging pump, medicine-chest one, medicine-chest two, pH value detector and control cabinet composition, scavenge pipe is equipped with scavenging pump, scavenge pipe was provided with inlet pressure gauge before scavenging pump, scavenge pipe is provided with delivery gauge after scavenging pump, also water intaking valve is housed at the entrance point of scavenge pipe, scavenge pipe is equipped with outlet valve at the port of export, medicine-chest one and medicine-chest two are disposed side by side on the water distribution front end of scavenging pump, and medicine-chest one is connected with the pipe that makes up a prescription respectively with the water outlet of medicine-chest two, the Guan Zaiyu scavenge pipe that makes up a prescription connects, and the pipe that makes up a prescription be connected to scavenging pump before scavenge pipe on, the outlet pipe of medicine-chest one and medicine-chest two is also equipped with the valve that makes up a prescription respectively, scavenge pipe was also connected to probe tube before scavenging pump, and on probe tube, sample valve is housed, probe tube is equipped with pH value detector after sample valve.
2. a kind of plate-type heat-exchange unit descaling rinsing device according to claim 1, it is characterized in that, described pH value detector is connected with control cabinet by wire respectively with scavenging pump.
3. a kind of plate-type heat-exchange unit descaling rinsing device according to claim 1, it is characterized in that, described scavenge pipe, scavenging pump, medicine-chest one, medicine-chest two, pH value detector and control cabinet are all installed on same underframe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410585518.6A CN104848733A (en) | 2014-10-28 | 2014-10-28 | Descaling and rinsing device for plate heat exchange unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410585518.6A CN104848733A (en) | 2014-10-28 | 2014-10-28 | Descaling and rinsing device for plate heat exchange unit |
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| Publication Number | Publication Date |
|---|---|
| CN104848733A true CN104848733A (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410585518.6A Pending CN104848733A (en) | 2014-10-28 | 2014-10-28 | Descaling and rinsing device for plate heat exchange unit |
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| CN (1) | CN104848733A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108716874A (en) * | 2018-05-18 | 2018-10-30 | 襄阳华虹高科新材料有限公司 | A kind of plate changes Self-cleaning system and its control system |
| CN110595261A (en) * | 2019-10-08 | 2019-12-20 | 瑞纳智能设备股份有限公司 | Cleaning method of hybrid energy heat exchange unit with water quality detection function |
-
2014
- 2014-10-28 CN CN201410585518.6A patent/CN104848733A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108716874A (en) * | 2018-05-18 | 2018-10-30 | 襄阳华虹高科新材料有限公司 | A kind of plate changes Self-cleaning system and its control system |
| CN110595261A (en) * | 2019-10-08 | 2019-12-20 | 瑞纳智能设备股份有限公司 | Cleaning method of hybrid energy heat exchange unit with water quality detection function |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150819 |
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| WD01 | Invention patent application deemed withdrawn after publication |