CN203549975U - Isolated heat exchange device - Google Patents
Isolated heat exchange device Download PDFInfo
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- CN203549975U CN203549975U CN201320612068.6U CN201320612068U CN203549975U CN 203549975 U CN203549975 U CN 203549975U CN 201320612068 U CN201320612068 U CN 201320612068U CN 203549975 U CN203549975 U CN 203549975U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 196
- 238000010438 heat treatment Methods 0.000 claims abstract description 43
- 238000002955 isolation Methods 0.000 claims description 27
- 230000003020 moisturizing effect Effects 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000005219 brazing Methods 0.000 claims description 2
- 239000000498 cooling water Substances 0.000 claims description 2
- 239000008236 heating water Substances 0.000 abstract description 9
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 abstract 1
- 230000009469 supplementation Effects 0.000 abstract 1
- 239000012535 impurity Substances 0.000 description 6
- 239000008400 supply water Substances 0.000 description 5
- 102000010637 Aquaporins Human genes 0.000 description 4
- 108010063290 Aquaporins Proteins 0.000 description 3
- 108091006146 Channels Proteins 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000005493 welding type Methods 0.000 description 1
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Abstract
The utility model provides an isolated heat exchange device for domestic heating. Outer primary pipe network heating water can be isolated from domestic secondary pipeline heating water, and in addition, the temperature of the secondary pipeline heating water can be set according to needs. According to the technical scheme, the isolated heat exchange device comprises a water-water heat exchanger, wherein a primary water inlet and a primary water return port are in a primary passage, and are connected with an outer pipe network; a secondary water supply port and a secondary water return port are in a secondary passage, and are connected with a domestic heating pipeline of a user; a circulating water pump, a water supplementation device and an overpressure protection device are connected in the secondary passage. The heat exchange device is also provided with a water temperature control part and a temperature sensor in the secondary water supply passage, wherein the water temperature control part comprises a flow regulation valve and a matched valve executor, which are arranged on the primary passage; a temperature controller is connected with the valve executor and the temperature sensor.
Description
Technical field
This practicality relates to a kind of heat-exchanger rig, relates in particular to a kind of heat-exchanger rig for the heating of central heating subscriber household.
Background technology
Central heating is the heating system that a kind of domestic city is generally used, and pipe network of outside heating secondary pipeline indoor with user is connected, by a pipe network directly to indoor secondary pipeline supply hot water.There is following problem in this heating system: on the one hand at same heat exchange station many times, can supply radiator and two kinds of different heating users of floor heating use simultaneously, the former requires supply water temperature high, the latter requires supply water temperature low, heat exchange station will meet radiator user's request must provide higher water temperature, but this higher heating hot water for floor heating meeting because water temperature over-high causes room temperature too high or produce the security incident such as leak; On the other hand, because heating hot water is supplied by a water supply line, when family secondary hot duct leaks, an outside pipe network hot water can bleed in user family endlessly, if can not find in time to process, very to client, causes great loss; The general water quality of the outside heating pipe of the 3rd central heating is poor, with more impurity and air, enters user heating pipeline and can cause user heating fault, affects user and normally uses.
The problem that needs low temperature to supply water for first floor heating, there is on the market at present floor heating water-mixing cool-down device to sell, a pipe network hot water of high temperature can be reduced to and be applicable to the lower supply water temperature of secondary that floor heating is used by mixed water mode, in floor heating system, be widely used.But this device cannot be avoided leaking in family, a pipe network hot water continues to enter the problem in user family, can not solve the problem that impurity air enters user heating system.
For second seepy question, someone adopts heat exchanger by pipe network water supply and indoor secondary piped water supply isolation, and interior conduit adopts running water to inject to realize isolation between the two.But this mode cannot be controlled user's family heating water temperature automatically, be not suitable for floor heating user and use, be not therefore used widely.
Utility model content
For above deficiency, the utility model provides a kind of isolation heat-exchanger rig for domestic heating, an outside pipe network heating water and domestic secondary pipeline heating water can be isolated, and can set as required secondary pipeline water temperature simultaneously.
The technical measures that the utility model is taked for above problem are:
An isolation heat-exchanger rig, comprises a water water-to-water heat exchanger, and a water inlet that is positioned at a subchannel is connected with outside ductwork with primary water mouth, and the secondary water-supply mouth that is positioned at two subchannels is connected with subscriber household heating with the secondary returning mouth of a river; In two subchannels, be connected with water circulating pump, water replanishing device, overpressure protection apparatus; Described heat-exchanger rig also has water temperature control assembly, comprises the flow control valve that is arranged on a subchannel and supporting valve actuator; Be arranged on the temperature sensor in secondary water-supply passage, temperature controller is connected with temperature sensor with valve actuator.
Use above-mentioned isolation heat-exchanger rig, water of heating outside ductwork and the intermediate water of subscriber household heating pipe are kept apart by water water-to-water heat exchanger, be not directly communicated with between the two, so primary system impurity and gas can not enter electrical secondary system; Water closed operation in electrical secondary system, also seldom fouling, thus guaranteed the stability of subscriber household heating operation; In addition, when secondary pipe leakage, the water of primary side can not enter user's family in a large number, has protected user heating safety.
For the floor heating user that need to control domestic heating water temperature, by temperature controller, set the secondary water temperature needing, temperature controller can be controlled the Flow-rate adjustment valve opening in a subchannel by valve actuator, thereby maintains secondary channel temperature in setting value, meets floor heating user's demand.
As a kind of preferred version, the preferred brazing plate type heat exchanger of described water water-to-water heat exchanger, has the high feature of the little heat exchange efficiency of volume.
As a kind of preferred version, the water temperature control section of isolation heat-exchanger rig is realized by self-operated type teletransmission temperature-sensing valve, and wherein flow control valve is teletransmission temperature control valve body, is arranged in a high-temperature water passage; Temperature sensor is liquid thermometer bulb, inserts in secondary exhalant canal; Temperature controller and valve actuator are integrated on self-operated type teletransmission temperature control valve head, are installed on temperature control valve body, and are connected on liquid thermometer bulb.When intermediate water variations in temperature, liquid thermometer bulb is along with variations in temperature internal liquid expands and shrinks, and is transmitted on teletransmission temperature control valve head; When intermediate water temperature rise, turn down temperature control valve body aperture, otherwise open large valve body aperture, thereby control a high temperature side by the flow of water-water-to-water heat exchanger, maintain two subchannel leaving water temperatures in setting value.By regulating the position of self-operated type teletransmission temperature control valve head, can change two subchannel water outlet design temperatures.
As a kind of preferred version: the liquid thermometer bulb 11 of described temperature sensor inserts in secondary exhalant canals, and it is inner to be deep into the exhalant canal of water water-to-water heat exchanger 1, can detect more accurately secondary water temperature.
As another kind of preferred version, the water temperature control section of isolation heat-exchanger rig adopts electronic type to control and realizes, described temperature controller is electronic temperature controller, and described flow control valve and valve actuator are electric control valves, and described cooling-water temperature sensor is electronic temperature transmitter.Electronic temperature controller detects secondary water at low temperature passage water temperature by electronic temperature transmitter, with set temperature value comparison, when secondary water at low temperature temperature turns down electric control valve higher than setting value, lower than setting value, drive large electric control valve, thereby control a high temperature side by the flow of water water-to-water heat exchanger, maintain secondary side water temperature in setting value.By changing electronic temperature controller, set value, can change two subchannel water outlet design temperatures.
As a kind of preferred version, described moisturizing and overpressure protection apparatus are connected to the moisturizing pipeline of a described high-temperature water passage and described secondary water at low temperature passage and are positioned at this ducted convertible valve by one and form.Described switching valve has through-flow and micro-leakage two states.While needing moisturizing, valve is placed in through-flow state, and open inner passage, and the water in an aquaporin can enter in a large number intermediate water passage and carry out moisturizing; After moisturizing, valve is placed in to micro-leakage state, inner passage is closed but is kept small seepage.Because convertible valve when the normal work is placed in micro-leakage state, can balance secondary channel pressure, when two subchannels leak, a water can not bleed in intermediate water passage in a large number yet, thereby has protected the security of subscriber household.
As a kind of preferred version, two subchannel water compensating valves and outside moisturizing pipeline connect and compose water replanishing device; Expansion drum and superpressure relief valve form this overpressure protection apparatus jointly; After moisturizing completes, water compensating valve is closed completely, and two subchannels and a subchannel and moisturizing pipeline are isolated completely, and the change in volume that the water in secondary pipeline expands with heat and contract with cold is absorbed by expansion drum, surpasses safe pressure and release by superpressure relief valve under abnormal conditions.This structure, because secondary heating passage is completely independent, also do not have external water source to supplement, so water leakage is low even if leak, safe.
As a kind of optimization; described circulating pump also has a bi-metal temperature protective device being connected on pump power line; be arranged on primary side high-temperature water passage; after primary side water temperature is lower than setting value, circulating pump power supply disconnects and shutting down, to automatically stop pump operating cycle after a high-temperature water stops.
As a kind of optimization, at a high-temperature water feeder connection place, filter is set, can reduce the clogging that pipe network system impurity water inlet heat exchanger causes.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
Fig. 1 is isolation heat-exchanger rig principle schematic described in the utility model.
Fig. 2 is the perspective view of a kind of embodiment of isolation heat-exchanger rig described in the utility model.
Fig. 3 is the perspective view of the other embodiment of isolation heat-exchanger rig described in the utility model.
In Fig. 1, a kind of isolation heat-exchanger rig, comprises a water water-to-water heat exchanger 1, and a water inlet 2 that is positioned at a subchannel is connected with outside ductwork with primary water mouth 3, and the secondary water-supply mouth 4 that is positioned at two subchannels is connected with subscriber household heating with the secondary returning mouth of a river 5; In two subchannels, be connected with water circulating pump 8, water replanishing device 9, overpressure protection apparatus 10; Described heat-exchanger rig also has water temperature control assembly, comprises the flow control valve 6 that is arranged on a subchannel and supporting valve actuator 7; Be arranged on the temperature sensor 11 in secondary water-supply passage, temperature controller 12 is connected with temperature sensor 11 with valve actuator 7.
In the isolation heat-exchanger rig shown in Fig. 1, water circulating pump 8 is arranged in intermediate water passage, and its water (flow) direction is consistent with secondary water-supply mouth 4, and the circulation power of intermediate water passage pipe network is provided when it moves; Water replanishing device 9 is for to intermediate water passage injected water, and the other end is connected on moisturizing water source; The change in volume that overpressure protection apparatus 10 causes for absorbing expanding with heat and contract with cold of two subchannel water, the generation affected by high intermediate water channel security of avoiding expanding; Water water-to-water heat exchanger 1 is for being delivered to intermediate water by the heat of a water; Flow control valve 6 is arranged in an intake tunnel, temperature controller 12 can be controlled its aperture size by valve actuator 7, change the hot water flow in an aquaporin, thereby control the heat that passes to two subchannels through water water-to-water heat exchanger 1, change secondary passage water temperature; Temperature sensor 11 is arranged in the intermediate water exhalant canal of water water-to-water heat exchanger 1, for detection of the intermediate water temperature after 1 heating of water water-to-water heat exchanger.Temperature controller 12 can be set the secondary water-supply temperature needing, and the actual temperature that temperature sensor 11 is detected and set water temperature comparison, when actual water temperature closes the aperture of control valve for small flows 6 during higher than set water temperature, on the contrary open large, thereby maintain secondary water temperature in setting value operation.
In above-mentioned isolation heat-exchanger rig, pipe network hot water and secondary pipeline heating water are isolated by water water-to-water heat exchanger 1, secondary heating hot water circulates under the effect of water circulating pump, supply water to secondary heating pipe, primary side hot water transfers heat to secondary side hot water by water water-to-water heat exchanger, directly connection, so primary system impurity between the two and gas can not enter electrical secondary system; Water closed operation in electrical secondary system, also seldom fouling, thus guaranteed the stability of subscriber household heating operation; When secondary pipe leakage, the water of primary side can not enter user's family in a large number, has protected user heating safety in addition.
For the floor heating user that need to control secondary heating water temperature, can set the secondary water temperature needing by temperature controller 12, temperature controller 12 is controlled the aperture of flow control valve 6 by valve actuator 7, maintain secondary water temperature in the temperature of needs, realizes the object of cooling and constant temperature.
Fig. 2 is a kind of example structure schematic diagram of isolation heat-exchanger rig described in the utility model.
In embodiment illustrated in fig. 2, water water-to-water heat exchanger 1 adopts the braze welding type plate type heat exchanger with two passages, has the high feature of the little heat exchange efficiency of volume; One time water inlet 2, flow control valve 6, water water-to-water heat exchanger 1, primary water mouth 3 connect and compose aquaporin successively one time; The secondary returning mouth of a river 5, water water-to-water heat exchanger 1, water circulating pump 8, secondary water-supply mouth 4 are connected successively and form two subchannels; The temperature sensor 11 consisting of liquid temperature-sensitive bag inserts in two subchannel exhalant canals, can detect secondary water temperature, and the variation of this temperature is conducted to teletransmission temperature control valve head 7 by connecting pipe, on teletransmission temperature control valve head 7, there are the Temperature Setting parts that secondary passage water temperature can be set simultaneously, formed the temperature controller in the present embodiment.
In the present embodiment, the water temperature control section of isolation heat-exchanger rig is realized by self-operated type teletransmission temperature-sensing valve, and wherein flow control valve is teletransmission temperature control valve body 6, is arranged in a high-temperature water passage; Temperature sensor is liquid temperature-sensitive bag 11, is arranged in secondary exhalant canal; Temperature controller 12 and valve actuator 7 are integrated in self-operated type teletransmission temperature control valve head, are installed on temperature control valve body 6, and are connected on liquid temperature-sensitive bag 11.When intermediate water variations in temperature, liquid temperature-sensitive bag 11 internal liquids vary with temperature and expand and shrink, and be transmitted on self-operated type teletransmission temperature control valve head 7, when intermediate water temperature rise, turn down temperature control valve body 6 apertures, otherwise open the aperture of large temperature control valve body 6, thereby control a high temperature side by the flow of water water-to-water heat exchanger 1, maintain two subchannel leaving water temperatures in setting value, by regulating the position of self-operated type teletransmission temperature control valve head 7, can change two subchannel leaving water temperatures.
In the present embodiment, as the liquid thermometer bulb 11 of temperature sensor, insert in secondary exhalant canals, and it is inner to be deep into the exhalant canal of water water-to-water heat exchanger 1, can detect more accurately secondary water temperature.
In the embodiment of Fig. 2, water replanishing device and overpressure protection apparatus are connected to the filling pipe 9 between a subchannel and two subchannels by one and are positioned at that this ducted convertible valve 10 forms.Described convertible valve 10 has straight-through and micro-leakage two states.While needing moisturizing, convertible valve 10 is placed in pass-through state; open inner passage; water in one subchannel can enter in a large number two subchannels and carry out moisturizing; after moisturizing, convertible valve 10 is placed in to micro-leakage state; inner passage is closed but is kept small seepage, because convertible valve 10 when the normal work is placed in micro-leakage state, and can balance secondary channel pressure; when two subchannels leak, a water can not bleed in intermediate water passage in a large number yet, thereby has protected the security of subscriber household.
In the present embodiment, be also provided with temperature, pressure table 13, can monitor the gentle hydraulic pressure of intermediate water, note abnormalities and process in time.
The automatic exhaust steam valve 14 that is positioned at a subchannel and two subchannels can be discharged ducted air automatically, maintains the reliable and stable operation of heating system.
In order to protect water pump; circulating pump described in the present embodiment also has a bi-metal temperature protective device being connected on pump power line; be arranged on primary side high-temperature water passage and (in schematic diagram 2, do not show); after primary side water temperature is lower than setting value, circulating pump power supply disconnects and shutting down, to automatically stop pump operating cycle after a high-temperature water stops.
In the present embodiment, adopt convertible valve 10 and filling pipe 9 as moisturizing and overpressure protection apparatus; Adopt self-operated type teletransmission temperature-sensing valve as water temperature control device, have and implement easily, simple in structure, the advantage of dependable performance, for central heat supplying floor heating user, has more the double effects of cooling and insulation blocking.
Fig. 3 is another embodiment of isolation heat-exchanger rig described in the utility model.
In the present embodiment, one time water inlet 2 is in series and forms a subchannel with multifunctional electric valve 6, water water-to-water heat exchanger 1, primary water mouth 3; The secondary returning mouth of a river 5, water water-to-water heat exchanger 1, circulating pump 8, secondary delivery port 4 are connected successively and form two subchannels; YE 7 is arranged on multifunctional electric valve 6, and is connected with electronic temperature controller 12, and electronic temperature sensor 11 is also connected with electronic temperature controller 12 with circulating pump 8; Water compensating valve 9 is connected with outside moisturizing pipeline, also can with a pipeline communication, can be to the moisturizing of secondary pipeline after opening; Expansion drum 10 and superpressure relief valve 10 ' form the overpressure protection apparatus of the present embodiment jointly; The temperature, pressure table 13 that is positioned at a subchannel and two subchannels detects respectively the water moderate pressure of two passages; Automatic exhaust steam valve 14 can be discharged the air of a subchannel automatically; Be arranged in the filter 15 on the Multifunction electric valve of an intake tunnel, can filter out the impurity in Pipeline Water one time, avoid water water-to-water heat exchanger 1 inner passage to stop up.
In the present embodiment, temperature controller is electronic temperature controller 12, and flow control valve is multifunctional electric valve 6, and valve actuator is YE 7, and temperature sensor is electronic temperature transmitter 11.Electronic temperature controller 12 detects secondary water at low temperature passage water temperature by electronic temperature transmitter 11, with set temperature value comparison, when secondary water at low temperature temperature is higher than when setting value, by YE 7, turn down multifunctional electric valve 6, lower than setting value, drive large multifunctional electric valve 6, thereby control a subchannel hot water flow, the heat exchange by water water-to-water heat exchanger 1 maintains secondary passage water temperature and is stabilized in setting value.By changing the setting value of electronic temperature controller 12, can change the temperature of two subchannel delivery ports 4.
In the present embodiment, the power supply of circulating pump 8 is also connected on electronic temperature controller 12, and electronic temperature controller 12 can start or stop according to the controlled circulation pump 8 that imposes a condition, and avoids circulating pump 8 unwanted time still to move.
In the present embodiment, after moisturizing completes, water compensating valve 9 is closed completely, two subchannels are isolated completely with a subchannel and moisturizing pipeline, and the change in volume that the water in secondary pipeline expands with heat and contract with cold is absorbed by expansion drum 10, surpass safe pressure and release by superpressure relief valve 10 ' under abnormal conditions.Because secondary heating passage is completely independent, even if leak, also do not have external water source to supplement, so water leakage is low, safe.
In the above-described embodiments; provide self-operated type temperature to control and electronic temp control mode; two kinds of dissimilar moisturizings and overpressure protection apparatus are also provided; but and do not mean that isolation heat-exchanger rig described in the utility model only has these modes; some well-known variations; for example change the position of parts in passage, adopt the variation of combination, all parts outward appearance and the structure of different schemes in embodiment; as long as do not have tangible change with above-described embodiment, be all included in the utility model protection domain.
Claims (9)
1. an isolation heat-exchanger rig, comprises a water water-to-water heat exchanger, and a water inlet that is positioned at a subchannel is connected with outside ductwork with primary water mouth, and the secondary water-supply mouth that is positioned at two subchannels is connected with subscriber household heating with the secondary returning mouth of a river; In two subchannels, be connected with water circulating pump, water replanishing device, overpressure protection apparatus; It is characterized in that: described heat-exchanger rig also has water temperature control assembly, comprise the flow control valve that is arranged on a subchannel and supporting valve actuator; Be arranged on the temperature sensor in secondary water-supply passage, temperature controller is connected with temperature sensor with valve actuator.
2. isolation heat-exchanger rig as claimed in claim 1, is characterized in that: described water water-to-water heat exchanger adopts brazing plate type heat exchanger.
3. isolation heat-exchanger rig as claimed in claim 1, is characterized in that: described water temperature control assembly is realized by self-operated type teletransmission temperature-sensing valve, and wherein flow control valve is teletransmission temperature control valve body, is arranged in a high-temperature water passage; Temperature sensor is liquid thermometer bulb, inserts in secondary exhalant canal; Temperature controller and valve positioner are integrated on self-operated type teletransmission temperature control valve head, are installed on temperature control valve body, and are connected on liquid thermometer bulb.
4. isolation heat-exchanger rig as claimed in claim 3, is characterized in that: the liquid thermometer bulb 11 of described temperature sensor inserts in secondary exhalant canal, and is deep into the exhalant canal inside of water water-to-water heat exchanger 1.
5. isolation heat-exchanger rig as claimed in claim 1, it is characterized in that: described water temperature control assembly adopts electronic type to control and realizes, described temperature controller is electronic temperature controller, and described flow control valve and valve actuator are electric control valves, and described cooling-water temperature sensor is electronic temperature transmitter.
6. isolation heat-exchanger rig as claimed in claim 1; it is characterized in that: described moisturizing and overpressure protection apparatus are connected to the moisturizing pipeline of a described high-temperature water passage and described secondary water at low temperature passage and are positioned at this ducted convertible valve by one and form, and described switching valve has through-flow and micro-leakage two states.
7. isolation heat-exchanger rig as claimed in claim 1, is characterized in that: two subchannel water compensating valves and outside moisturizing pipeline connect and compose water replanishing device; Expansion drum and superpressure relief valve form this overpressure protection apparatus jointly.
8. isolation heat-exchanger rig as claimed in claim 1, is characterized in that: described circulating pump also has a bi-metal temperature protective device being connected on pump power line, is arranged on primary side high-temperature water passage.
9. isolation heat-exchanger rig as claimed in claim 1, is characterized in that: at a high-temperature water feeder connection place, filter is set.
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CN201320612068.6U CN203549975U (en) | 2013-10-07 | 2013-10-07 | Isolated heat exchange device |
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CN201320612068.6U CN203549975U (en) | 2013-10-07 | 2013-10-07 | Isolated heat exchange device |
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CN201320612068.6U Expired - Lifetime CN203549975U (en) | 2013-10-07 | 2013-10-07 | Isolated heat exchange device |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108518523A (en) * | 2018-05-29 | 2018-09-11 | 郑州博容节能设备有限公司 | Based on water temperature rapid feedback formula thermostatic mixing valves in Constant-temp. pipeline and its constant temperature heat-exchange system and constant-temperature water mixing device |
CN109595666A (en) * | 2018-12-03 | 2019-04-09 | 湖南达道新能源开发有限公司 | A kind of energy-saving type heating intake apparatus of heat consumer |
CN110471513A (en) * | 2018-05-09 | 2019-11-19 | 浙江盾安人工环境股份有限公司 | A kind of heat sink assembly, air-cooled radiator and air-conditioning equipment |
-
2013
- 2013-10-07 CN CN201320612068.6U patent/CN203549975U/en not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110471513A (en) * | 2018-05-09 | 2019-11-19 | 浙江盾安人工环境股份有限公司 | A kind of heat sink assembly, air-cooled radiator and air-conditioning equipment |
CN110471513B (en) * | 2018-05-09 | 2022-03-08 | 浙江盾安人工环境股份有限公司 | Radiator assembly, air-cooled radiator and air conditioning equipment |
CN108518523A (en) * | 2018-05-29 | 2018-09-11 | 郑州博容节能设备有限公司 | Based on water temperature rapid feedback formula thermostatic mixing valves in Constant-temp. pipeline and its constant temperature heat-exchange system and constant-temperature water mixing device |
CN109595666A (en) * | 2018-12-03 | 2019-04-09 | 湖南达道新能源开发有限公司 | A kind of energy-saving type heating intake apparatus of heat consumer |
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Effective date of registration: 20180810 Address after: 450000 No. 7, 162 building, No. 80 Power Plant Road, Zhengzhou high tech Industrial Development Zone, Henan, 22 Patentee after: ZHENGZHOU BONRUN ENERGY SAVING TECHNOLOGY Co.,Ltd. Address before: 450000 B, 22 / F, block D, Yuhong garden, Zijingshan Road, Zhengzhou City, Zhengzhou, Henan. Patentee before: Shen Guoqiang |
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Granted publication date: 20140416 |
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