CN1255604A - Hot-water heating system with improved self-circulation power - Google Patents

Hot-water heating system with improved self-circulation power Download PDF

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Publication number
CN1255604A
CN1255604A CN 98124892 CN98124892A CN1255604A CN 1255604 A CN1255604 A CN 1255604A CN 98124892 CN98124892 CN 98124892 CN 98124892 A CN98124892 A CN 98124892A CN 1255604 A CN1255604 A CN 1255604A
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water
water tank
hot
pipe
heating system
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CN1135326C (en
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徐有宁
李效青
李星旺
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Abstract

A hot-water heating system with improved self-circulation power features that the water-level circulating water tank and optional pneumatic circulating water tank, whose balance tubes are communicated to systematic water return pipe, are additionally used. Said pneumatic circulating water tank is positioned at upper part of boiler and the said water-level circulating water tank is at the highest position of said heating system. Its advantages are high self-circulation power, no limitation to pipeline and radiator distribution, less electric consumption and high thermal efficiency.

Description

Strengthen the hot-water heating system of self-circulation power
The present invention relates to a kind of hot-water heating system, particularly relate to a kind of hot-water heating system that strengthens self-circulation power.
Existing hot-water heating system has two kinds: a kind of is the self-loopa hot-water heating system, directly deliver to each radiator by the hot water that boiler is drawn by feed pipe, afterwards, be back to boiler by return pipe again, this self-loopa hot-water heating system makes hot water circuit by the Natural Circulation power of the severe difference formation of hot water and cold water, the heat supply water pipe of this self-loopa hot-water heating system can not descendingly be arranged in underground, and heating range is less; Another kind is to force the power cycle hot-water heating system, the hot water that promptly adopts the power cycle pump that boiler is drawn passes through the hot-water line pump to each radiator, afterwards, be back to boiler by return pipe again, this hot-water heating system can suitably enlarge the heating scope, but owing to adopt the power cycle pump, and the self-circulation power of hot-water heating system self can not be played a role, this is actually a kind of waste.
The object of the invention is to provide a kind of hot-water heating system that strengthens self-circulation power, this hot-water heating system is set up water level cyclic water tank and pneumatic cyclic water tank, can under the situation that does not increase external circulation power, strengthen the self-loopa ability of heating system effectively, rate of circulating flow is fast, and the pipe arrangement of heating system is unrestricted, feed pipe can be arranged in underground, radiator is arranged also free, this system does not influence the self-circulation power performance of system own when being used with the power cycle pump, save electric energy, and the heating efficiency height.
Embodiment of the present invention are as follows:
The hot-water heating system of enhancing self-circulation power provided by the invention, comprise boiler, expansion tank, supply, return pipe, radiator, be characterised in that: the topmost at heating system is installed the water level cyclic water tank, this water level cyclic water tank is a casing, the balance pipe dilatation water tank that has the atmospheric exhaust pipe with the upper end that casing does not communicate is vertically placed at the middle part, balance pipe dilatation water tank is divided into the water level cyclic water tank A that does not communicate, B two cavity (see figure 4)s, the hot water oral siphon that the A cavity leans on the feed pipe that a side is installed with boiler is drawn of boiler to communicate, side bottom by radiator is installed the outlet pipe that is connected with the radiator feed pipe, the water level balance pipe that has the conjugation pore on the perisporium inserts the B cavity by the bottom of balance pipe dilatation water tank, its upper end is uncovered, the return pipe of total water return pipeline of lower end and heating system is connected, and balance pipe dilatation water tank is provided with the hot water blast pipe that is connected with the A cavity near the sidewall of hot water oral siphon one side.The hot-water heating system of enhancing self-circulation power provided by the invention is when the work operation, the hot water that boiler is drawn by boiler heating pipe through the hot water oral siphon by after the water level cyclic water tank, deliver to radiator by outlet pipe again, owing to be provided with balance pipe dilatation water tank in the water level cyclic water tank, the water level balance pipe bottom of inserting in the balance pipe dilatation water tank is communicated with the return pipe of total water return pipeline of heating system, balance pipe dilatation water tank, water in the water level balance pipe is not communicated with water in the water level cyclic water tank, they are communicated with the headroom by the hot water steam vent, are communicated with atmosphere owing to be provided with this headroom of atmospheric exhaust pipe; When thermic load is too high, steam in the water level cyclic water tank and the vapour that produces in the water level cyclic water tank is discharged by the hot water blast pipe, because the water in the water level balance pipe does not participate in circulation usually, water wherein is the cold water that pours into before system's operation, its water temperature is lower than the water temperature of radiator, water density is bigger than the water density in the radiator, therefore its water level is lowest water level in system, (as the hot water heating of operation circulation is disconnected, by boiler side with by heat sink side static level is arranged all, this moment, the water level by boiler side will be higher than by the heat sink side water level, be connected water level and their comparisons of the water level balance pipe of system's return pipe as usefulness, the static level of water level balance pipe is minimum, therefore its temperature is minimum), the existence of this low water level increases the self-loopa potential energy of heating system, the increase of self-loopa potential energy can cause the enhancing of system's self-loopa kinetic energy, thereby causes the rate of circulating flow in the heating system to increase and the heating efficiency of raising heating system, enlarges the heating scope; When system loading changed, its water level balance pipe can make the heating system flow constraint reduce and cause flow resistance to reduce.
In addition, for reducing and eliminating the noise that produces when supplying water, the hot water oral siphon of water level cyclic water tank can be made the flute type hot water oral siphon that has a steam vent; The noise that produces during for minimizing and elimination draining can lean on a side of radiator that the U type blast pipe of the U type mouth band steam vent up that is connected with the B cavity is installed at the A of water level cyclic water tank cavity.
For further strengthening the self-circulation power of heating system, the hot-water heating system of enhancing self-circulation power provided by the invention, also can be at the water level cyclic water tank preposition, pneumatic cyclic water tank is installed on the top of boiler, this pneumatic cyclic water tank is a casing, vertically place the air-balance pipe that does not communicate with casing in it, the return pipe that pneumatic cyclic water tank and the total water return pipeline of heating system are stretched out in air-balance pipe lower end is connected, it is indoor that the upper end is positioned at the trapping of pneumatic cyclic water tank upper end, on the pneumatic cyclic water tank one side sidewall hot water oral siphon is installed, the feed pipe that hot water oral siphon and boiler are drawn is connected, its bottom is provided with outlet pipe, and the hot water oral siphon of outlet pipe and water level cyclic water tank is connected; The nearly boiler side of pneumatic cyclic water tank also can be provided with the sealing soaker in addition, the sealing soaker is by a tubule type floating drum and be positioned at tubule type floating drum upper end and control pin type air bleeding valve or the lid formula air bleeding valve closing and open with the come-up of tubule type floating drum and sinking and constitute, and the floater guiding tube also can be installed in tubule type floating drum periphery.During heating system work operation, hot water in the boiler, by boiler heating pipe through pneumatic cyclic water tank hot water oral siphon, by drawing by its outlet pipe again behind the pneumatic cyclic water tank, deliver to the water level cyclic water tank, in the pneumatic cyclic water tank headroom is arranged, the hot water that is come by boiler carries out vapour at this, moisture from, the bottom of its air-balance pipe is connected with the return pipe of total water return pipeline, water in the air-balance pipe does not communicate with water in the pneumatic cyclic water tank, but their pressure communicates by the headroom, and the air-balance pipe can produce the boiler load increase in pneumatic cyclic water tank pressure increase is passed in the water return pipeline rapidly; When boiler heat load increases, the pressure of boiler export increases, this pressure while is to the feed pipe and the balance pipe transmission of pneumatic cyclic water tank, because the minor loop path that constitutes between air-balance pipe and the boiler is short, its pressure transmits faster than the transmission of whole system pressure, therefore the flow velocity of this minor loop response also fast (this effect is the pressure feedforward action to great circulation system), water in the partial circulating loop of air-balance pipe and boiler formation quickens prior to the whole circulation loop like this, before playing, this accelerator to water in the whole circulation loop draws, the effect of pusher, like this time of flow velocity response pressure shorten near half, reduced the inertia peak value that must overcome when boiler water quickens, make boiler reach energy balance fast, hot water is difficult for producing gasification in the boiler.
In addition, the sealing soaker is set in the pneumatic cyclic water tank, when pneumatic cyclic water tank boosted, water level reduced, and system needs step-down at this moment, descended because soaker tubule type floating drum reduces with water level, caused sealing soaker pin type seal valve or the unlatching of lid formula seal valve; Pneumatic cyclic water tank is to atmospheric steam exhaust, step-down, and pneumatic cyclic water tank is because air pressure reduces water level raises, and sealing soaker tubule type floating drum rises, and can cause pin type seal valve or lid formula seal valve to be closed again, and make water tank to atmospheric sealing.
The water level cyclic water tank is arranged in the topmost of heating system, the outlet pipe of being drawn by pneumatic cyclic water tank links to each other with its hot water oral siphon, hot water is sent into each radiator by outlet pipe after by the water level cyclic water tank, in the water level cyclic water tank, be provided with balance pipe dilatation water tank, the water level balance pipe inserts balance pipe dilatation water tank, and its bottom is communicated with the return pipe of total water return pipeline.
In sum, the hot-water heating system of enhancing self-circulation power provided by the invention, owing to set up the water level cyclic water tank, or set up water level cyclic water tank and pneumatic cyclic water tank simultaneously, can be under the situation that does not increase external power, increase the self-circulation power of heating system, rate of circulating flow is fast, system's heating thermal efficiency height, the pipe arrangement of heating system is unrestricted, supply channel can be distributed in underground, and simultaneously, putting of radiator is also more flexible; Heating system of the present invention also can be used with pressure power (power cycle pump), and the pressure power and the self-circulation power of heating system are played a role simultaneously, further enlarges the heating range of heating system, saves electric energy, improves heating efficiency
Further describe the present invention below in conjunction with accompanying drawing, embodiment.
Accompanying drawing 1 is the first embodiment of the invention structural representation.
Accompanying drawing 2 is the second embodiment of the invention structural representation.
Accompanying drawing 3 is the third embodiment of the invention structural representation.
Accompanying drawing 4 is a water level cyclic water tank structural representation.
Accompanying drawing 5 is pneumatic cyclic water tank structural representation.
Accompanying drawing 5.1 is a kind of structural representation of pneumatic cyclic water tank.
Accompanying drawing 5.2 is the another kind of structural representation of pneumatic cyclic water tank.
Wherein:
Boiler 1 pneumatic cyclic water tank 2 air-balance pipes 3
Feed pipe 6 water level cyclic water tanks 7 water level balance pipes 8
Radiator 9 return pipes 10 A cavity A
B cavity B atmospheric exhaust pipe 71 balance pipe dilatation water tanks 72
Hot water blast pipe 73 U type blast pipes 74 water level meters 75
Conjugation pore 76 hot water feeding pipes 77 outlet pipes 79
Sealing soaker 20 pin type seal valves 21 tubule type floating drums 22
Floater guiding tube 23 outlet pipes 25 hot water oral siphons 26
Trapping chamber 29 lid formula seal valves 201
Accompanying drawing 1 is the first embodiment of the invention structural representation, its radiator 9 is one group of radiator of individual layer, accompanying drawing 2 is the second embodiment of the invention structural representation, its radiator 9 is double-deck two groups of radiators in parallel, accompanying drawing 3 is the third embodiment of the invention structural representation, is provided with water level cyclic water tank 7 and pneumatic cyclic water tank 2 in the system simultaneously.Know by figure, the hot-water heating system of enhancing self-circulation power provided by the invention, comprise boiler 1, expansion tank, feed pipe 6, return pipe 10, radiator 9, the topmost that is characterised in that heating system is installed water level cyclic water tank 7, as shown in Figure 4, this water level cyclic water tank 7 is a casing, the balance pipe dilatation water tank 72 that has atmospheric exhaust pipe 71 with the upper end that casing does not communicate is vertically placed at its middle part, balance is managed and protected appearance water tank 72 and water level cyclic water tank 7 is divided into the A that does not communicate, B two cavitys, the hot water oral siphon 77 that the A cavity leans on the feed pipe 6 that a side is installed with boiler 1 is drawn of boiler 1 to communicate, the A cavity is installed the outlet pipe 79 that is connected with radiator 9 feed pipes 10 by a side bottom of radiator 9, the water level balance pipe 8 that has conjugation pore 76 on the perisporium inserts the B cavity by the bottom of balance pipe dilatation water tank 7, water level balance pipe 8 upper ends are uncovered, the return pipe 10 of total water return pipeline of lower end and heating system is connected, and balance pipe dilatation water tank 7 is provided with the hot water blast pipe 73 that communicates with the A cavity near the sidewall of hot water oral siphon one side.
For the noise that reduces and produce when eliminating for, draining, water level cyclic water tank 7 of the present invention can be made the hot water oral siphon flute type hot water oral siphon of band steam vent on the perisporium, the U type blast pipe 74 of the band steam vent that can lead to up at the U type mouth that the A of water level cyclic water tank cavity leans on the side installation of radiator to link to each other with the B cavity.
Know by Fig. 3 and Fig. 5, the hot-water heating system of enhancing self-circulation power provided by the invention can be at water level cyclic water tank 7 preposition, pneumatic cyclic water tank 2 is installed on the top of boiler 1, this pneumatic cyclic water tank 2 is a casing, vertically place the air-balance pipe 3 that does not communicate with casing in it, the return pipe 10 that pneumatic cyclic water tank 2 and the total water return pipeline of heating system are stretched out in air-balance pipe 3 lower ends is connected, the upper end is positioned at the trapping chamber 29 of pneumatic cyclic water tank upper end, hot water oral siphon 26 is installed on the one side sidewall of pneumatic cyclic water tank 2, and hot water oral siphon 26 is connected with the feed pipe 6 of boiler; The bottom of pneumatic cyclic water tank 2 is provided with outlet pipe 25, and outlet pipe 25 is connected with the hot water oral siphon 77 of water level cyclic water tank 7; For reducing and eliminate the noise of heating system generation when supplying water, the hot water oral siphon can be made the flute type hot water oral siphon of band pore, pneumatic cyclic water tank 2 is near being provided with sealing soaker 20 in the side of boiler 1, sealing soaker 20 is by tubule type floating drum 22 and be positioned at tubule type floating drum 22 upper ends, and the pin type air bleeding valve 21 or lid formula air bleeding valve 201 formations of closing and opening are controlled in come-up and sinking with tubule type floating drum 22, also can set up floater guiding tube 23 outside the tubule type floating drum 22, by Fig. 5 .1 as can be known, pneumatic cyclic water tank 2 set sealing soakers 20 can be lever sealing soakers, the come-up of tubule type floating drum 21 and the drive lever action of sinking, thereby control is covered formula seal valve 201 and is closed and open, and the sealing soaker 20 of the pneumatic cyclic water tank 1 that Fig. 5 .2 provides is by tubule type floating drum 21 come-ups and sink to controlling closing and opening of pin type seal valve 22.Accompanying drawing 3 provides a kind of hot-water heating system that the enhancing self-circulation power of water level cyclic water tank 7 and pneumatic cyclic water tank 2 is installed simultaneously, this system is when the work running, the hot water that boiler 1 is drawn is drawn through hot water oral siphon 77 by outlet pipe after by pneumatic cyclic water tank 2 again and is entered water level cyclic water tank 7, in pneumatic cyclic water tank 2, the headroom is arranged, the hot water of boiler 1 fork-like farm tool used in ancient China this carry out vapour, moisture from; The pneumatic bottom of following the air-balance pipe 3 that inserts in the water tank 2 is communicated with return pipe 10, water in the air-balance pipe 3 does not communicate with water in the pneumatic cyclic water tank 2, but their pressure communicates by the headroom, and air-balance pipe 3 produces boiler 1 load increase in pneumatic cyclic water tank 2 pressure increase is passed in the water return pipeline rapidly; When boiler 1 thermic load increases, the pressure of boiler export increases, this force value is transmitted to the hot water oral siphon and the air-balance pipe of pneumatic cyclic water tank 2 simultaneously, and the minor loop that constitutes between air-balance pipe 3 and the boiler 1 is because the path is short, therefore the pressure transmission is faster than the transmission of whole system pressure, therefore the flow velocity of this minor loop response also fast (this effect is the pressure feedforward action to great circulation system), water in the partial circulating loop of air-balance pipe 3 and boiler 1 formation quickens prior to the whole circulation loop like this, draw before accelerator in the whole circulation loop played, the effect of pusher, like this time of flow velocity response pressure shorten near half, reduced the inertia force peak value that must overcome when boiler water quickens, make boiler reach energy balance fast, hot water is difficult for producing gasification in the boiler.On water level cyclic water tank 7 and the pneumatic cyclic water tank 2 water level meter 75 is installed also.
Be provided with sealing soaker 20 in the pneumatic cyclic water tank 2, the effect of tubule type floating drum 22 and pin type seal valve 21 or lid formula seal valve 201 is when pneumatic cyclic water tank 2 boosts, water level reduces, this moment, system needed step-down, because tubule type floating drum 22 and pin type seal valve 21 or lid formula seal valve 201 reduce with water level and descend, cause seal valve to be opened, pneumatic cyclic water tank 2 is to atmospheric steam exhaust, step-down; Pneumatic cyclic water tank 2 is because air pressure reduces the water level rising, and seal valve makes water tank to atmospheric sealing again.
Water level circulating box 7 is arranged on the topmost of heating system, after hot water that pneumatic cyclic water tank 2 is drawn is by water level cyclic water tank 7, deliver to radiator 9 by outlet pipe, in water level cyclic water tank 7, be provided with balance pipe dilatation water tank 72, water level balance pipe 8 inserts in the balance pipe dilatation water tank 72, and the bottom of this water level balance pipe 8 is communicated with return pipe 10; Water in balance pipe dilatation water tank 72, the water level balance pipe 8 is not communicated with water in the water level cyclic water tank 7, and they are communicated with the headroom by hot water blast pipe 73, and this headroom is communicated with atmosphere; Aerogenesis is also discharged the vapour that produces in the water level cyclic water tank 7 by atmospheric exhaust hole 71 in the water level cyclic water tank 7 when thermic load is too high, because the water in the water level balance pipe 8 does not participate in circulation usually, water wherein is the cold water that pours into before system's operation, its water temperature is lower than the water temperature of heat sink side, water density is bigger than the water density in the radiator, therefore its water level is that lowest water level is (as disconnecting the hot water heating of operation circulation in system, near boiler side with near heat sink side static level is arranged all, this moment, the water level near boiler side will be higher than near the heat sink side water level, be connected water level and their comparisons of the water level balance pipe 8 of system's water return pipeline as usefulness, the static level of water level balance pipe 8 is minimum, because its temperature is minimum.), because the existence of this low water level increases the self-loopa potential energy of heating system, the increase of self-loopa potential energy can cause system's self-loopa kinetic energy to increase, thereby cause the rate of circulating flow in the heating system to increase, and raising heating system heating efficiency, enlarge the heating scope, when the hot-water heating system of enhancing self-circulation power provided by the invention and power cycle pump are used, the two the effect of complementing each other of self-circulation power of power cycle pump and system itself be can give full play to, the heating scope and the further heating efficiency of raising system further enlarged.

Claims (7)

1. hot-water heating system that strengthens self-circulation power, comprise boiler, expansion tank, supply, return pipe, radiator, it is characterized in that: the topmost at heating system is installed the water level cyclic water tank, this water level cyclic water tank is a casing, the balance pipe dilatation water tank that has the atmospheric exhaust pipe with the upper end that casing does not communicate is vertically placed at its middle part, balance pipe dilatation water tank is divided into the water level cyclic water tank A that does not communicate, B two cavitys, the hot water oral siphon that the A cavity leans on the feed pipe that a side is installed with boiler is drawn of boiler to communicate, side bottom by radiator is installed the outlet pipe that communicates with radiator, the water level balance pipe that has the conjugation pore on the perisporium inserts the B cavity by the bottom of balance pipe dilatation water tank, its upper end is uncovered, the return pipe on total backwater road of lower end and heating system is connected, and balance pipe dilatation water tank is provided with the hot water blast pipe that is connected with the A cavity near the sidewall of hot water oral siphon one side.
2. by the hot-water heating system of the described enhancing self-circulation power of claim 1, it is characterized in that: the hot water oral siphon of water level cyclic water tank is the flute type hot water oral siphon of band steam vent.
3. by the hot-water heating system of the described enhancing self-circulation power of claim 1, it is characterized in that: the U type mouth that is connected with the B cavity is installed up with the U type blast pipe of steam vent by a side of radiator at the A of water level cyclic water tank cavity.
4. press the hot-water heating system of the described enhancing self-circulation power of claim 1, it is characterized in that: the hot water oral siphon of water level cyclic water tank is the flute type hot water oral siphon of band steam vent, and the A cavity of water level cyclic water tank is installed the U type mouth that is connected with the B cavity up with the U type blast pipe of steam vent by a side of radiator.
5. press the hot-water heating system of the described enhancing self-circulation power of claim 1, it is characterized in that: preposition at the water level cyclic water tank, pneumatic cyclic water tank is installed on the top of boiler, this pneumatic cyclic water tank is a casing, vertically place the air-balance pipe that does not communicate with casing in it, air-balance pipe upper end is positioned at the trapping chamber of pneumatic cyclic water tank casing upper end, the return pipe that casing and the total water return pipeline of heating system are stretched out in the lower end is connected, pneumatic cyclic water tank one side sidewall is provided with the hot water oral siphon, the hot water oral siphon is connected with the feed pipe that boiler is drawn, outlet pipe is arranged at the bottom of pneumatic cyclic water tank, and outlet pipe is connected with the hot water oral siphon of water level cyclic water tank.
6. press the hot-water heating system of the described enhancing self-circulation power of claim 5, it is characterized in that: the nearly boiler side of pneumatic cyclic water tank is provided with the sealing soaker, and the sealing soaker is by a tubule type floating drum and be positioned at tubule type floating drum upper end with tubule type floating drum come-up with sink to control pin type seal valve or the formula of the lid seal valve closing and open and constitute.
7. by the hot-water heating system of the described enhancing self-circulation power of claim 6, it is characterized in that: tubule type floating drum periphery is equipped with the floater guiding tube.
CNB981248926A 1998-12-03 1998-12-03 Hot-water heating system with improved self-circulation power Expired - Fee Related CN1135326C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB981248926A CN1135326C (en) 1998-12-03 1998-12-03 Hot-water heating system with improved self-circulation power

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB981248926A CN1135326C (en) 1998-12-03 1998-12-03 Hot-water heating system with improved self-circulation power

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Publication Number Publication Date
CN1255604A true CN1255604A (en) 2000-06-07
CN1135326C CN1135326C (en) 2004-01-21

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CNB981248926A Expired - Fee Related CN1135326C (en) 1998-12-03 1998-12-03 Hot-water heating system with improved self-circulation power

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003062716A1 (en) * 2002-01-23 2003-07-31 Changchun Lu Auto energy saving waterheater of various or ranges
CN100434808C (en) * 2004-12-13 2008-11-19 中国科学院过程工程研究所 Initiative hot-water circulation heating system
CN110651126A (en) * 2017-05-22 2020-01-03 齐尔美特股份公司 Compact expansion tank
CN113562152A (en) * 2021-07-26 2021-10-29 中国人民解放军91404部队第340所 Heating device for shipborne equipment and using method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003062716A1 (en) * 2002-01-23 2003-07-31 Changchun Lu Auto energy saving waterheater of various or ranges
CN100434808C (en) * 2004-12-13 2008-11-19 中国科学院过程工程研究所 Initiative hot-water circulation heating system
CN110651126A (en) * 2017-05-22 2020-01-03 齐尔美特股份公司 Compact expansion tank
CN113562152A (en) * 2021-07-26 2021-10-29 中国人民解放军91404部队第340所 Heating device for shipborne equipment and using method
CN113562152B (en) * 2021-07-26 2022-06-17 中国人民解放军91404部队第340所 Heating device for shipborne equipment and using method

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