CN1450322A - Method for preventing illegal water use from heating pipe network and treatment device thereof - Google Patents
Method for preventing illegal water use from heating pipe network and treatment device thereof Download PDFInfo
- Publication number
- CN1450322A CN1450322A CN 02109456 CN02109456A CN1450322A CN 1450322 A CN1450322 A CN 1450322A CN 02109456 CN02109456 CN 02109456 CN 02109456 A CN02109456 A CN 02109456A CN 1450322 A CN1450322 A CN 1450322A
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- Prior art keywords
- pipe network
- heating pipe
- water
- preventing illegal
- process tank
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 76
- 238000010438 heat treatment Methods 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 38
- 238000011282 treatment Methods 0.000 title claims abstract description 17
- 238000005868 electrolysis reaction Methods 0.000 claims description 35
- 239000012267 brine Substances 0.000 claims description 31
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims description 31
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 16
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 11
- 229910052710 silicon Inorganic materials 0.000 claims description 11
- 239000010703 silicon Substances 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 5
- 239000000084 colloidal system Substances 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 abstract description 6
- 229910052751 metal Inorganic materials 0.000 abstract description 6
- FLTRNWIFKITPIO-UHFFFAOYSA-N iron;trihydrate Chemical compound O.O.O.[Fe] FLTRNWIFKITPIO-UHFFFAOYSA-N 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 8
- 239000000243 solution Substances 0.000 description 6
- 230000003020 moisturizing effect Effects 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000003628 erosive effect Effects 0.000 description 3
- 102100032244 Dynein axonemal heavy chain 1 Human genes 0.000 description 2
- 101001016198 Homo sapiens Dynein axonemal heavy chain 1 Proteins 0.000 description 2
- 239000013043 chemical agent Substances 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
- 101100395308 Catharanthus roseus HL3 gene Proteins 0.000 description 1
- 101100395309 Catharanthus roseus HL4 gene Proteins 0.000 description 1
- 101150115013 DSP1 gene Proteins 0.000 description 1
- 101150052726 DSP2 gene Proteins 0.000 description 1
- 102100027284 Fanconi-associated nuclease 1 Human genes 0.000 description 1
- 101001075931 Halobacterium salinarum (strain ATCC 700922 / JCM 11081 / NRC-1) 50S ribosomal protein L6 Proteins 0.000 description 1
- 101000914689 Homo sapiens Fanconi-associated nuclease 1 Proteins 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000010455 autoregulation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000006392 deoxygenation reaction Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000002848 electrochemical method Methods 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 235000014413 iron hydroxide Nutrition 0.000 description 1
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The present invention relates to a method for preventing illegal use of water in heating pipe network. It utilizes the electrochemical metal corrosino principle of galvanic element and adopts the following measures: an electrolytic cell in which the anodes and cathodes are alternatively arranged is set in the heating pipe network, the water meeting boiler water standard can be added into the detrolytic cell and reaced to produce dark yellow colloidal Fe(OH)3 with minimum solubility and negative charge, then it is added in the pipe network to make Fe(OH)3 be uniformly distributed in water, its treatment device is series-connected between water treatment equipment of heating pipe network and water-supplementing pump of pipe network.
Description
Technical field
The present invention relates to a kind of water-stealing-preventing technology, be specially a kind of method for preventing illegal water use from heating pipe network and treating apparatus thereof.
Background technology
Dehydration seriously is the common difficulty that heating system faces, and its main cause is that the heating user usurps hot water, makes the heating system lack of water serious.For guaranteeing the safe operation of heating system, moisturizing constantly is to guarantee normal pressure in the pipe network.More domestic units have also carried out certain R﹠D work to this problem, have taked some series of solutions, as adding chemical agent, stink agent, diesel oil etc., steal water problems but all can not fundamentally solve the user.And the main purpose of the water treatment facilities of some employing electrochemical method is that boiler and industrial colling are carried out deoxygenation, scale control treatments on the market, also need add chemical agent (NaOH) during use.
Summary of the invention
The object of the invention provides a kind of method for preventing illegal water use from heating pipe network and treating apparatus thereof.
Technical solution of the present invention is the electrolytic cell that be staggered in the groove anode and negative electrode are set in heating pipe network, and the water that meets the boiler feed water standard adds in the electrolytic cell energising reaction and generates that solubility is minimum, electronegative, the colloid shape Fe (OH) of buff
3, add in the heating pipe network, realize Fe (OH)
3Be evenly distributed in the water.
Its treating apparatus is series between the water treatment facilities and pipe network small pump of heating pipe network, the water side of water treatment facilities is through frequency conversion charging pump, the brine electrolysis process tank water inlet end to the pipe network small pump, be provided with non-return valve between brine electrolysis process tank and frequency conversion charging pump and the water side, the brine electrolysis process tank is connected with liquid level respectively and takes into account the preventing illegal water use from heating pipe network controller, is provided with anode, the staggered electrolytic cell of cathode plate in the brine electrolysis process tank.
Plate is an iron plate, and cathode plate is a corrosion resistant plate; Breather pipe is established in brine electrolysis process tank top, links to each other with vavuum pump; The circuit connecting relation of preventing illegal water use from heating pipe network controller is analog quantity I/O module of Programmable Logic Controller expansion, analog quantity I/O module lead-out terminal MO, VO through the manual change-over switch of rectification to the commutating pulse trigger, and link to each other by the frequency converter of lead-out terminal with the heating pipe network small pump, commutating pulse trigger input links to each other with three-phase ac power supply, electrode level meter height on the brine electrolysis process tank, in, low three contacts pass through the 3rd～5 auxiliary reclay to Programmable Logic Controller, rectifier transformer input termination three-phase alternating-current supply, output termination the 1st～6 silicon controlled negative electrode, the negative electrode of the electrolytic cell of the DC voltage after the rectification in the 3rd～4 contactor connects the brine electrolysis process tank, anode; The commutating pulse trigger is a silicon controlled toggle; Rectifier transformer adopts the two anti-star of band paralleing reactor to connect rectifier transformer.
The principle of the invention is to utilize electrochemical metal erosion galvanic principles, even two kinds of different metals are immersed in the electrolyte, just can form so-called galvanic cell, different parts, different components place at galvanic cell can produce difference in Electrode Potential, after connecting, two parts metal of different potentials just can produce electric current, at this moment, the continuous ejected electron in anode position forms cationic solution and separates in solution, and electronics is accepted and with the hydrogen ion (H in the solution in the negative electrode position
+) formation hydrogen (H
2) the effusion liquid level, perhaps form OH if can react when having oxygen to exist
-, the metal ion that gets off with anodic solution generates hydroxide.
Advantage of the present invention is:
1. the inventive method has solved the serious problem of central heating industry dehydration preferably.The present invention is applied in the heating pipe network water charging system, utilize the metal erosion galvanic principles, install a direct electrolytic cell artificially, anode (iron plate) and negative electrode (corrosion resistant plate) are housed in the groove, the water that meets the boiler feed water standard is after treatment added in the electrolytic cell, it is minimum, electronegative that the energising afterreaction generates solubility, the iron hydroxide Fe (OH) of the colloid shape of buff
3, because Fe (OH)
3Stable solubility is very little, and the band buff can be evenly distributed in the water again, so wash clothing, mop floor, wash one's face, brush the Fe (OH) that all can stay one deck yellow behind the car with this
3, the user dare not re-use, thereby has stoped the user to steal the generation of water problems effectively.
2. the control section of apparatus of the present invention is compiled into control program, adopts a cover Controlled by Programmable Controller, has higher reliability and advance.The electrolytic current density and the brine electrolysis process tank charging pump power of water treatment facilities was determined in strictness when the present invention designed according to the size of heating pipe network fluid loss, electrode pad panel size, parameters such as quantity, several closed-loop auto-regulation methods have been adopted in the electrical design, brine electrolysis major control loop is the size according to heating pipe network small pump rate of water make-up, reach the self-regulating purpose of small pump fixed-voltage altering-current amount, on brine electrolysis process tank water level auto-control Design, cancelled traditional executing agency-electric control valve, adopt variable frequency regulating speed control, fundamentally eliminate the root of water fault on the water treatment tank, guaranteed the continuous water supply of electrolysis unit.
3. in addition, because the technologic particularity of brine electrolysis, after device work a period of time, decomposition voltage can generally occur and rise, electric current significantly reduces, the problem that electrolytic efficiency descends, we are from electrochemical principle, take regularly to exchange anode, negative electrode, reach the negative electrode scale removal purpose of (comprising other metal ion), electrolysis unit can steady in a long-termly, efficient be moved.
Description of drawings
Fig. 1 is apparatus of the present invention structural representations.
Fig. 2 is a circuit block diagram of the present invention.
Fig. 3 is an electrolysis section electrical schematic diagram of the present invention.
Fig. 4 is that controllable silicon capacitance-resistance of the present invention absorbs protection loop electrical schematic diagram.
Fig. 5 is vavuum pump of the present invention and charging pump loop electrical schematic diagram.
Fig. 6 is a control loop part electrical schematic diagram of the present invention.
Fig. 7 is a cooling fan control loop electrical schematic diagram of the present invention.
Fig. 8 is a charging pump Frequency Converter Control of the present invention loop electrical schematic diagram.
Fig. 9 is charging pump frequency conversion frequency demonstration figure of the present invention.
Figure 10 is pipe network small pump frequency conversion frequency demonstration figure of the present invention.
Figure 11 is a main control unit electrical schematic diagram of the present invention.
The specific embodiment
Embodiment
The present invention utilizes electrochemical metal erosion galvanic principles, and an electrolytic cell is set in heating pipe network, be staggered in the groove anode and negative electrode, and concrete steps are:
1) will meet after treatment in the water adding electrolytic cell of boiler feed water standard, energising afterreaction generation solubility is minimum, electronegative, the colloid shape Fe (OH) of buff
3
2) will contain Fe (OH)
3Boiler feed water add in the heating pipe network, make Fe (OH)
3Be evenly distributed in the water.
The realization of water-stealing-preventing purpose of the present invention is described with the water-stealing-preventing device of 35t/h treating capacity, shown in Fig. 1～11, apparatus of the present invention are made up of frequency conversion charging pump 3, brine electrolysis process tank 4, liquid level gauge 5, vavuum pump, BP3Y series preventing illegal water use from heating pipe network controller 6, non-return valve 7 etc., are former water charging system in the frame of broken lines among Fig. 1.Its treating apparatus is series between the water treatment facilities 2 and pipe network small pump 8 of heating pipe network, the water side of water treatment facilities 2 is through frequency conversion charging pump 3, brine electrolysis process tank 4 is to the water inlet end of pipe network small pump 8, be provided with non-return valve 7 between brine electrolysis process tank 4 and frequency conversion charging pump 3 and the water side, brine electrolysis process tank 4 is connected with liquid level gauge 5 and preventing illegal water use from heating pipe network controller 6 respectively, be provided with anode in the brine electrolysis process tank 4, the staggered electrolytic cell 41 of cathode plate, plate is an iron plate, cathode plate is a corrosion resistant plate, breather pipe is established in brine electrolysis process tank 4 tops, links to each other with vavuum pump; The circuit connecting relation of BP3Y series preventing illegal water use from heating pipe network controller 6 is analog quantity I/O module U2 of Programmable Logic Controller U1 expansion, analog quantity I/O module U2 lead-out terminal MO, VO through the manual change-over switch SA1 of rectification to commutating pulse trigger U3, and by lead-out terminal A1+, A1-links to each other with the frequency converter of heating pipe network small pump 8, commutating pulse trigger U3 input links to each other with three-phase ac power supply, electrode level meter 5 height on the brine electrolysis process tank 4, in, low three contacts are by the 3rd～5 auxiliary reclay KA3, KA4, KA5 is to Programmable Logic Controller U1, rectifier transformer U4 input termination three-phase alternating-current supply, output termination the 1st～6 controllable silicon A+, A-, B+, B-, C+, the negative electrode of C-, the DC voltage after the rectification is through the 3rd～4 contactor KM3, KM4 connects the negative electrode of the electrolytic cell 41 in the brine electrolysis process tank 4, anode.
BP3Y series preventing illegal water use from heating pipe network controller is shown in Fig. 2～11, HL1～HL11 is the 1st～11 indicator lamp, KM1～KM5 is the 1st～5 contactor, KA1～KA10 is the 1st～10 auxiliary reclay, QF1-6 is respectively major loop and control loop the 1st～6 air switch, rectifier transformer U4 adopts the two anti-star of band paralleing reactor to connect rectifier transformer, controllable silicon is selected the KP-500A/400V one-way SCR for use, commutating pulse trigger U3 adopts CF6B-1A type silicon controlled toggle, Programmable Logic Controller U1 adopts one of German SIEMENS S7-200CPU224, the analog quantity I/O module U2 of a 4AI/1AO of CPU224 expansion, charging pump frequency converter timing device is selected the ACS4014KW frequency converter of Switzerland ABB AB for use.
As shown in Figure 3; CF6B is a silicon controlled toggle; by line A; B; C with exchange the three-phase incoming power and link to each other; by line CF-7; CF-8; CF-11 and D.C. voltmeter; DC ammeter links to each other; by line CF-13; CF-15; GND and rectification hand adjustment potentiometer W1; the manual change-over switch SA1 of rectification connects; by line K4; G4; K1; G1; K6; G6; K3; G3; K2; G2; K5; G5 and the 1st～6 controllable silicon A+; B+; C+; A-; B-; the negative electrode of C-; trigger electrode links to each other; DC voltage after the rectification is through the 3rd～4 contactor KM3; KM4 connects the negative electrode of the electrolytic cell 41 in the brine electrolysis process tank 4; anode, six controllable silicons are respectively by (R1; C3)～(R6; C8) constitute the controllable silicon capacitance-resistance and absorb protection loop (as shown in Figure 4).
Vavuum pump and charging pump control loop are shown in Fig. 5,6, SB4, SB5 are the start and stop button of vavuum pump control loop, SA2 links to each other by the manual start and stop change-over switch of line 21 and vavuum pump, and line L11, L21, L31 form the loop through air switch QF3, contactor KM1, electrothermal relay FR1 to vaccum pump motor M1; 17,19 pin on the charging pump variable-frequency governor VVVF1 control terminal X1 link to each other with auxiliary reclay KA6 by line 1,45, and line L11, L21, L31 form the loop through air switch QF4, the supreme pump motor M2 of charging pump variable-frequency governor VVVF1, contactor KM2.
As shown in Figure 6, P1, P2 are the contact of two vacuum electric contact tables on the brine electrolysis process tank, link to each other with auxiliary reclay KA7, KA8 by line 1,31,33, SL1-3 is high, medium and low three contacts of the electrode level meter on the brine electrolysis process tank, links to each other with auxiliary reclay KA3, KA5, KA4 by line 1,35,39,43.
As Fig. 6,8, shown in 11, auxiliary reclay KA3, KA4, KA5, KA6, the normally opened contact of KA2 and rectifying and changing phase switch S A3, mute button SB1 is by line 501,503,505,507,509,511,513 with the input terminal I0.0 of Programmable Logic Controller U1 (CPU224), I0.1, I0.2, I0.3, I0.4, I0.5, I0.6 links to each other, auxiliary reclay KA3, KA4, KA5, KA6, it is low that KA2 controls water level respectively, in the water level, the water level height, charging pump frequency conversion fault, rectification failure, Programmable Logic Controller U1 (CPU224) is by lead-out terminal Q0.0, Q0.1, Q0.2, Q0.3, Q0.4 and indicator lamp HL5, HL6, HL7, HL8, HL9 links to each other, and CPU224 is by lead-out terminal Q0.5, Q0.6, Q0.7 and auxiliary reclay KA9, KA10, buzzer FM links to each other.EM235 analog quantity lead-out terminal MO, VO link to each other with the manual change-over switch SA1 of rectification by line 517, GND.Charging pump variable-frequency governor VVVF1 X1 control terminal 2,4,8,11,13,14,12 is by the normally-closed contact of line 501,503,507,509,511,513,515 and auxiliary reclay KA4, KA3, link to each other with the auxiliary contact of often opening of auxiliary reclay KA5, contactor KM2, SB8 links to each other with the frequency conversion SR.SB2, SB3 are the start and stop button of rectification control loop, link to each other with A.C. contactor KM5 by line.SB6, SB7 are the start and stop button in charging pump VFC loop, link to each other with contactor KM2 by line 29; A.C. contactor KM5, KM3, KM4, KM1, KM2 are respectively by indicator lamp HL12, HL10, HL11, HL4, HL3 indicating status.
As shown in Figure 7, switch board cooling fan circuit controls loop as shown in Figure 7, cooling fan FAN1, FAN2 form control loop by air switch QF5.
As shown in Figure 9, charging pump variable-frequency governor VVVF1 X1 control terminal 7,6 links to each other with charging pump frequency conversion frequency digital display meter DSP1 input terminal 16,13 by line 521, GND.
As shown in figure 10, the frequency converter DSP2 actual motion frequency of heating pipe network small pump links to each other with A+, the A-terminal of analog quantity I/O module EM235 by line 531, GND.
The course of work of this device is with through stop valve 1, the demineralized water that meets pipe network moisturizing requirement behind the water treatment facilities 2 is at first supplied with the electrolytic cell 41 of brine electrolysis process tank 4 by frequency conversion charging pump 3, the staggered anode that some is installed in the electrolytic cell 41, cathode plate, in jar water level meter 5 is installed, by self-con-tained unit control frequency conversion charging pump 3 rotating speeds, it is constant that thereby the water yield makes the interior water level of brine electrolysis process tank in the change, make jar interior water both not have battery lead plate to guarantee normal electrolysis, and be unlikely and overflow, the water that meets the boiler feed water standard through electrolytic treatments is added in the heating network by the size of pipe network small pump 8 by fluid loss, pipe network small pump 8 is by intelligent moisturizing switch board 9 controls, intelligence moisturizing switch board 9 can adopt prior art, as BB3Y-BS.
Claims (7)
1. method for preventing illegal water use from heating pipe network, it is characterized in that being provided with in heating pipe network the electrolytic cell of anode and negative electrode of being staggered in the groove, the water that meets the boiler feed water standard adds in the electrolytic cell energising reaction and generates that solubility is minimum, electronegative, the colloid shape Fe (OH) of buff
3, add in the heating pipe network, realize Fe (OH)
3Be evenly distributed in the water.
2. treating apparatus according to the described method for preventing illegal water use from heating pipe network of claim 1, be series between the water treatment facilities and pipe network small pump of heating pipe network, the water side that it is characterized in that water treatment facilities (2) is through frequency conversion charging pump (3), brine electrolysis process tank (4) is to the water inlet end of pipe network small pump (8), be provided with non-return valve (7) between brine electrolysis process tank (4) and frequency conversion charging pump (3) and the water side, brine electrolysis process tank (4) is connected with liquid level gauge (5) and preventing illegal water use from heating pipe network controller (6) respectively, and the brine electrolysis process tank is provided with anode in (4), the staggered electrolytic cell of cathode plate (41).
3. according to the described preventing illegal water use from heating pipe network treating apparatus of claim 2, it is characterized in that: plate is an iron plate, and cathode plate is a corrosion resistant plate.
4. according to the described preventing illegal water use from heating pipe network treating apparatus of claim 2, it is characterized in that: breather pipe is established in brine electrolysis process tank (4) top, links to each other with vavuum pump.
5. according to the described preventing illegal water use from heating pipe network treating apparatus of claim 2, it is characterized in that: the circuit connecting relation of preventing illegal water use from heating pipe network controller (6) is Programmable Logic Controller (U1) expansion analog quantity I/O module (U2), analog quantity I/O module (U2) lead-out terminal MO, VO through the manual change-over switch of rectification (SA1) to commutating pulse trigger (U3), and by lead-out terminal (A1+, A1-) frequency converter with heating pipe network small pump (8) links to each other, commutating pulse trigger (U3) input links to each other with three-phase ac power supply, electrode level meter (5) height on the brine electrolysis process tank (4), in, low three contacts are by the 3rd～5 auxiliary reclay (KA3, KA4, KA5) to Programmable Logic Controller (U1), rectifier transformer (U4) input termination three-phase alternating-current supply, output termination the 1st～6 controllable silicon (A+, A-, B+, B-, C+, C-) negative electrode, the DC voltage after the rectification is through the 3rd～4 contactor (KM3, KM4) connect the negative electrode of the electrolytic cell (41) in the brine electrolysis process tank (4), anode.
6. according to the described preventing illegal water use from heating pipe network treating apparatus of claim 5, it is characterized in that: commutating pulse trigger (U3) is a silicon controlled toggle.
7. according to the described preventing illegal water use from heating pipe network treating apparatus of claim 5, it is characterized in that: rectifier transformer (U4) adopts the two anti-star of band paralleing reactor to connect rectifier transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB02109456XA CN1183357C (en) | 2002-04-10 | 2002-04-10 | Method for preventing illegal water use from heating pipe network and treatment device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB02109456XA CN1183357C (en) | 2002-04-10 | 2002-04-10 | Method for preventing illegal water use from heating pipe network and treatment device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1450322A true CN1450322A (en) | 2003-10-22 |
| CN1183357C CN1183357C (en) | 2005-01-05 |
Family
ID=28680439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB02109456XA Expired - Fee Related CN1183357C (en) | 2002-04-10 | 2002-04-10 | Method for preventing illegal water use from heating pipe network and treatment device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1183357C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101965485A (en) * | 2008-03-06 | 2011-02-02 | 法国詹诺尼公司 | Equipment for producing domestic hot water |
-
2002
- 2002-04-10 CN CNB02109456XA patent/CN1183357C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101965485A (en) * | 2008-03-06 | 2011-02-02 | 法国詹诺尼公司 | Equipment for producing domestic hot water |
| CN101965485B (en) * | 2008-03-06 | 2013-07-24 | 法国詹诺尼公司 | Equipment for producing domestic hot water |
| US9134037B2 (en) | 2008-03-06 | 2015-09-15 | Giannoni France | Equipment for producing domestic hot water |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1183357C (en) | 2005-01-05 |
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Effective date of registration: 20080829 Address after: Liaoning Shenyang City Chau Shen Shenhe District No. 99 A8-4 Patentee after: Nie Sen Address before: No. 162 Binhe Road, Shenhe District, Liaoning, Shenyang Patentee before: Shenyang Sanyi Automatic Control Co., Ltd. |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050105 |