CN210128448U - No new trend type buried pipe solution dehumidification system - Google Patents
No new trend type buried pipe solution dehumidification system Download PDFInfo
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- CN210128448U CN210128448U CN201920302091.2U CN201920302091U CN210128448U CN 210128448 U CN210128448 U CN 210128448U CN 201920302091 U CN201920302091 U CN 201920302091U CN 210128448 U CN210128448 U CN 210128448U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
Abstract
The utility model provides a no new trend type buried pipe solution dehumidification system, its dehumidification volume is big, and the heat pump power consumption is little, and need not the new trend of regeneration, has reduced construction cost and running cost. The dehumidifier specifically is a dehumidifier which adopts a dehumidifying solution to dehumidify, a first air return opening of the dehumidifier is communicated with an indoor cavity, a first exhaust opening of the upper portion of the dehumidifier is communicated with the indoor cavity, a second air return opening of the regenerator is communicated with the indoor cavity, a second exhaust opening of the upper portion of the regenerator is connected with an inlet of an exhaust pipeline, at least one section of length of an inner cavity of the exhaust pipeline is internally provided with a heat exchange coil, an introducing end of the heat exchange coil is externally connected with an input water pump through a water pipe, a leading end of the heat exchange coil is externally buried in the heat exchange coil through the water pipe, a water outlet end of the heat exchange coil is connected with an input end of the input water pump, and the heat exchange coil is buried in the ground.
Description
Technical Field
The utility model relates to a dehumidification system's technical field specifically is a no new trend type ground pipe laying solution dehumidification system.
Background
The existing dehumidification system, especially the dehumidification system of underground engineering, all need arrange the new trend pipe network, when actually arranging, still need the heat pump to undertake the refrigerating output, lead to the heat pump of the dehumidification system of current underground engineering to arrange high-power compressor for whole dehumidification system's construction cost is high, and when the in-service use, whole system's power consumption is big, is unfavorable for energy-concerving and environment-protective.
Disclosure of Invention
In view of the above problem, the utility model provides a no new trend type buried pipe solution dehumidification system, its dehumidification volume is big, and the heat pump power consumption is little, and need not the regeneration new trend, has reduced construction cost and running cost.
The utility model provides a no new trend type ground pipe laying solution dehumidification system which characterized in that: the dehumidifier comprises a dehumidifier, a regenerator and a liquid storage tank, wherein the dehumidifier is a dehumidifier which adopts a dehumidifying solution to dehumidify, a first air return port of the dehumidifier is communicated with an indoor cavity, a first upper exhaust port of the dehumidifier is communicated with the indoor cavity, a second air return port of the regenerator is communicated with the indoor cavity, a second upper exhaust port of the regenerator is connected with an inlet of an exhaust pipeline, a heat exchange coil is arranged in at least one section of length of an inner cavity of the exhaust pipeline, an introducing end of the heat exchange coil is externally connected with an input water pump through a water pipe, a leading end of the heat exchange coil is externally embedded with the heat exchange coil through the water pipe, a water outlet end of the embedded heat exchange coil is connected with an input end of the input water pump, the embedded heat exchange coil is embedded at the ground bottom, a first liquid outlet of the dehumidifier is connected with a liquid inlet of the liquid storage tank, and a first liquid outlet pipeline of a liquid outlet of the liquid storage tank sequentially passes through a first, The second liquid inlet of the regenerator is connected behind the first condenser pipe of the condenser, the second liquid outlet of the regenerator is communicated with the inlet of a second liquid outlet pipeline, the second liquid outlet pipeline comprises a second coil pipe and a second heat recovery coil pipe which are positioned in the first heat recovery structure, the second heat recovery coil pipe is positioned in the tail end inner cavity of the exhaust pipeline, the tail end of the second liquid outlet pipeline is connected with the first liquid inlet of the dehumidifier, an evaporator is also arranged in the exhaust pipeline, two ends of the pipeline of the evaporator are respectively exposed out of the exhaust pipeline, the pipeline outlet end of the evaporator is connected with the inlet of a compressor, the outlet of the compressor is connected with the inlet of the second condenser pipe of the condenser, the outlet of the second condenser pipe is connected behind the expansion valve and is connected with the pipeline inlet of the evaporator, and the condenser, the compressor, the expansion valve, the evaporator and the corresponding pipelines are combined to form a heat pump, the heat pump is internally provided with a corresponding refrigerant, the exhaust pipeline is provided with a water pan corresponding to the downstream position of the evaporator, the water pan is connected with a drain pipe through an external pipeline, and the drain pipe discharges water in the water pan out of the whole indoor space.
It is further characterized in that:
the dehumidifier specifically comprises an upper-layer dehumidifying solution inlet box and a lower-layer dehumidifying solution collecting box, wherein a first liquid inlet is formed in the top of the upper-layer dehumidifying solution inlet box, a first air inlet area is formed between the upper-layer dehumidifying solution inlet box and the lower-layer dehumidifying solution collecting box, a first air return opening is formed in one side of the first air inlet area, a first exhaust opening is formed in one side of the upper-layer dehumidifying solution inlet box, and a first liquid outlet is formed in the bottom of the lower-layer dehumidifying solution collecting box;
the regenerator specifically comprises an upper solution tank and a lower solution tank, wherein a second liquid inlet is formed in the top of the upper solution tank, a second air inlet area is formed between the upper solution tank and the lower solution tank, a second air return opening is formed in one side of the second air inlet area, a second air outlet is formed in one side of the upper solution tank, and a second liquid outlet is formed in the bottom of the lower solution tank;
the positions where the dehumidifier and the regenerator are arranged are separated by a certain space distance;
the first coil and the second coil in the first heat recovery mechanism are sealed in the shell, and the first coil and the second coil are coiled and fully contacted with each other to ensure that heat exchange is sufficient;
the first condenser pipe and the second condenser pipe in the condenser are mutually coiled and fully contacted, so that the heat exchange is fully ensured;
the dehumidifying solution includes but is not limited to lithium bromide, lithium chloride, calcium chloride;
the liquid inlet of the liquid storage tank is positioned at the upper part of the tank body, the liquid outlet of the liquid storage tank is positioned at a certain height position at the lower part of the tank body, and after a certain volume of low-concentration solution is accumulated in the liquid storage tank, the solution is discharged to the first liquid outlet pipeline;
draught fans with corresponding air volumes are independently arranged at the first air return opening of the dehumidifier and the second air return opening of the regenerator respectively, so that the dehumidification requirement on the system is ensured;
the first exhaust outlet of the dehumidifier and the second exhaust outlet of the regenerator are respectively and independently provided with exhaust fans with corresponding air volume, so that the dehumidification requirement on the system is ensured
After the technical scheme is adopted, the working process is as follows: the indoor air passes through the dehumidifier, the humidity is reduced and the air is discharged back to the indoor; the regenerator uses indoor air as regeneration air, the indoor air is changed into high-temperature high-humidity air after passing through the regenerator, the high-temperature high-humidity air is firstly cooled and dehumidified by the underground heat exchange coil and then is further cooled and dehumidified by the evaporator, water formed after dehumidification is collected in the water receiving disc, the water is discharged by the water discharging pipe, and then the low-temperature air after dehumidification absorbs the heat of the solution in the second heat recovery coil and is discharged back to the indoor; the dehumidifying solution absorbs air moisture in the dehumidifier, condenses and releases heat, the temperature is slightly increased, the concentration is reduced, and the dehumidifying solution enters the liquid storage tank. After accumulating a certain volume of low-concentration solution in the liquid storage tank, the solution passes through the first coil pipe and exchanges heat with a solution flowing out of a second coil pipe flowing out of the regenerator, then the solution is heated by a condenser of a heat pump, the temperature is further increased, the solution enters the regenerator and is regenerated by air, the concentration of the solution is increased after the solution is regenerated, and then the solution flows through the second coil pipe and a second heat recovery coil pipe to obtain a low-temperature high-concentration solution which returns to the dehumidifier; in a heat pump loop, a refrigerant is pressurized by a compressor and enters a condenser, refrigerant steam is condensed in the condenser to release heat, is throttled by an expansion valve and then enters an evaporator to absorb heat of exhaust air of regenerated air to be evaporated, and then enters the compressor; under the action of an input water pump, heat energy absorbed from air is transferred to soil through the underground heat exchange coil by water circulation; the dehumidification amount is large, the energy consumption of the heat pump is low, fresh air does not need to be regenerated, and the construction cost and the operation cost are reduced.
Drawings
FIG. 1 is a schematic block diagram of the structure of the present invention;
the names corresponding to the sequence numbers in the figure are as follows:
the dehumidifier 1, a first air return opening 101, a first exhaust opening 102, a first liquid outlet 103, a first liquid inlet 104, an upper layer dehumidifying solution inlet box 105, a lower layer dehumidifying solution collecting box 106 and a first air inlet area 107
Regenerator 2, second air return opening 201, second air exhaust opening 202, second liquid inlet 203, second liquid outlet 204, upper solution tank 205, lower solution tank 206, second air intake region 207
The liquid storage tank 3, a liquid inlet 301, a liquid outlet 302, an exhaust pipeline 4, a heat exchange coil 5, an input water pump 6, a buried heat exchange coil 7, a first liquid outlet pipeline 8, a first heat recovery structure 9, a first coil 92, a second coil 92, a condenser 10, a first condenser pipe 1001, a second condenser pipe 1002, a second liquid outlet pipeline 11, a second heat recovery coil 12, an evaporator 13, a compressor 14, an expansion valve 15, a water receiving tray 16 and a drain pipe 17.
Detailed Description
A fresh air-free type buried pipe solution dehumidification system is shown in figure 1: the dehumidifier comprises a dehumidifier 1, a regenerator 2 and a liquid storage tank 3, wherein the dehumidifier 1 is a dehumidifier which adopts a dehumidifying solution to dehumidify, a first return air inlet 101 of the dehumidifier 1 is communicated with an indoor cavity, an upper first exhaust air inlet 102 of the dehumidifier 1 is communicated with the indoor cavity, a second return air inlet 201 of the regenerator 2 is communicated with the indoor cavity, an upper second exhaust air outlet 202 of the regenerator 2 is connected with an inlet of an exhaust pipeline 4, a heat exchange coil 5 is arranged in at least one section of the length of an inner cavity of the exhaust pipeline 4, an introducing end of the heat exchange coil 5 is externally connected with an input water pump 6 through a water pipe, an extracting end of the heat exchange coil 5 is externally embedded with the heat exchange coil 7 through a water pipe, an outlet end of the heat exchange coil 7 is connected with an input end of the input water pump 6, the heat exchange coil 7 is embedded at the ground, a first liquid outlet 103 of the dehumidifier 1 is connected with a liquid inlet 301 of the liquid storage tank 3, and a first liquid outlet pipeline 8 of a liquid outlet, A first condenser pipe 1001 of the condenser 10 is connected with a second liquid inlet 203 of the regenerator 2, a second liquid outlet 204 of the regenerator 2 is communicated with an inlet of a second liquid outlet pipeline 11, the second liquid outlet pipeline 11 comprises a second coil 92 and a second heat recovery coil 12 which are positioned in the first heat recovery structure 9, the second heat recovery coil 12 is positioned in an end inner cavity of the exhaust pipeline 4, the end of the second liquid outlet pipeline 11 is connected with a first liquid inlet 104 of the dehumidifier 1, the exhaust pipeline 4 is also internally provided with an evaporator 13, two ends of the pipeline of the evaporator 13 are respectively exposed out of the exhaust pipeline 4, a pipeline outlet end of the evaporator 13 is connected with an inlet of the compressor 14, an outlet of the compressor 14 is connected with an inlet of the second condenser pipe 1001 of the condenser 10, an outlet of the second condenser pipe 1002 is connected with an expansion valve 15 and then connected with a pipeline inlet of the evaporator 13, the condenser 10, the compressor 14, the expansion valve 15, the evaporator 13 and corresponding pipelines thereof are combined to form a heat pump, the corresponding refrigerant is arranged in the heat pump, a water receiving disc 16 is arranged at the position, corresponding to the downstream position of the evaporator 13, of the exhaust pipeline 4, the water receiving disc 16 is connected with a drain pipe 17 through an external pipeline, and the drain pipe 17 discharges water in the water receiving disc 16 out of the whole indoor space.
The dehumidifier 101 specifically comprises an upper-layer dehumidifying solution inlet box 105 and a lower-layer dehumidifying solution collecting box 106, wherein a first liquid inlet 104 is formed in the top of the upper-layer dehumidifying solution inlet box 105, a first air inlet area 107 is formed between the upper-layer dehumidifying solution inlet box 105 and the lower-layer dehumidifying solution collecting box 106, a first air return opening 101 is formed in one side of the first air inlet area 107, a first exhaust opening 102 is formed in one side of the upper-layer dehumidifying solution inlet box 105, and a first liquid outlet 103 is formed in the bottom of the lower-layer dehumidifying solution collecting box 106;
the regenerator 2 specifically comprises an upper solution tank 205 and a lower solution tank 206, wherein a second liquid inlet 203 is formed in the top of the upper solution tank 205, a second air inlet area 207 is formed between the upper solution tank 205 and the lower solution tank 206, a second air return opening 201 is formed in one side of the second air inlet area 207, a second air outlet 202 is formed in one side of the upper solution tank 205, and a second liquid outlet 204 is formed in the bottom of the lower solution tank 206;
the positions where the dehumidifier 1 and the regenerator 2 are arranged are separated by a certain space distance;
the first coil 92 and the second coil 92 in the first heat recovery mechanism 9 are enclosed in the shell, and the first coil 91 and the second coil 92 are coiled with each other and fully contacted, so that sufficient heat exchange is ensured;
the first condenser pipe 1001 and the second condenser pipe 1002 in the condenser 10 are coiled with each other and fully contacted, so that the heat exchange is fully ensured;
dehumidifying solutions include, but are not limited to, lithium bromide, lithium chloride, calcium chloride;
the liquid inlet 301 of the liquid storage tank 3 is positioned at the upper part of the tank body, and the liquid outlet 302 of the liquid storage tank 3 is positioned at a certain height position at the lower part of the tank body, so that after a certain volume of low-concentration solution is accumulated in the liquid storage tank 3, the solution is discharged to the first liquid outlet pipeline 8;
draught fans (not shown in the figure and arranged according to requirements) with corresponding air volumes are respectively and independently arranged at the first air return port 101 of the dehumidifier 1 and the second air return port 201 of the regenerator 2, so that the dehumidification requirement of the system is ensured;
the first exhaust port 102 of the dehumidifier 1 and the second exhaust port 202 of the regenerator 2 are respectively and independently provided with exhaust fans (not shown in the figure and arranged according to requirements) with corresponding air volume, so as to ensure the dehumidification requirement of the system
The system consists of five circulation loops: the system comprises a solution circulation loop, a heat pump circulation loop, a buried pipe heat exchange loop, a dehumidification air loop and a regeneration air loop, and the working process is as follows:
dehumidification wind return circuit: the indoor air passes through the dehumidifier, the humidity is reduced and the air is discharged back to the indoor;
a regenerative air circuit: the regenerator uses indoor air as regeneration air, the indoor air is changed into high-temperature high-humidity air after passing through the regenerator, the high-temperature high-humidity air is firstly cooled and dehumidified by the underground heat exchange coil and then is further dehumidified by the evaporator, water formed after dehumidification is collected in the water receiving disc, the water is discharged by the water discharging pipe, and then the dehumidified low-temperature air absorbs the heat of the solution in the second heat recovery coil and is discharged back to the indoor;
dehumidification solution circuit: the dehumidifying solution absorbs air moisture and is condensed to release heat in the dehumidifier, the temperature is slightly increased, the concentration is reduced, the dehumidifying solution enters a liquid storage box, after a certain volume of low-concentration solution is accumulated in the liquid storage box, the dehumidifying solution passes through a first coil pipe and exchanges heat with solution flowing out of a second coil pipe flowing out of the regenerator, the dehumidifying solution is heated by a condenser of a heat pump, the temperature is further increased, the dehumidifying solution enters the regenerator and is regenerated by air, the concentration of the solution is increased after the solution is regenerated, and the solution flows through the second coil pipe and a second heat recovery coil pipe to obtain low-temperature high-concentration solution and returns to the dehumidifier;
a heat pump circulation circuit: in a heat pump loop, a refrigerant is pressurized by a compressor and enters a condenser, refrigerant steam is condensed in the condenser to release heat, is throttled by an expansion valve and then enters an evaporator to absorb heat of exhaust air of regenerated air to be evaporated, and then enters the compressor;
buried pipe water circuit: under the action of the input water pump, the water circulation transfers heat energy absorbed from the air into the soil through the buried heat exchange coil.
The system is a novel heat pump type solution dehumidification system, has the characteristics that the dehumidification capacity is larger under the same power, and the fresh air does not need to be regenerated, and the main effect of the heat pump is to heat the dehumidification solution and dehumidify, and the dehumidification condensation heat of the system is mainly born by the buried heat exchange coil.
The innovation is that:
1. the solution dehumidification system does not need fresh air during regeneration, which is beneficial to underground engineering with inconvenient arrangement of a fresh air pipe network;
2. the heat pump mainly provides heat, maintains the regeneration temperature, does not need to bear refrigeration capacity, can reduce the installation power, and can save energy during operation;
3. latent heat released by liquefaction is mainly removed by the buried heat exchange coil, so that the energy consumption of the operation of the heat pump can be reduced.
4. Compared with the traditional heat pump type solution dehumidification system, the system keeps the characteristics of large dehumidification amount and low required heat pump power, but does not need to regenerate fresh air.
The system combines the solution dehumidification and freezing dehumidification capabilities, and the dehumidification capability is stronger. Compared with the traditional heat pump which is a solution dehumidification system, the heat pump does not need to bear condensation heat extraction, but bears by the buried heat exchange coil, so that the system power can be reduced, and the energy consumption can be saved. Compared with the traditional solution dehumidification system, the system does not need to regenerate fresh air, and the main function of the heat pump system is to maintain the regeneration temperature, and the dehumidification condensation heat is not depended on the heat pump but is discharged through the buried heat exchange coil. Compared with the refrigeration dehumidification, the refrigeration dehumidification is realized by using the cooling load for dehumidification and using the condensation exhaust heat for maintaining the solution regeneration temperature.
The detailed description of the embodiments of the present invention has been provided, but the present invention is only the preferred embodiments of the present invention, and should not be considered as limiting the scope of the present invention. All equivalent changes and modifications made in accordance with the scope of the present invention shall fall within the scope of the present patent application.
Claims (10)
1. The utility model provides a no new trend type ground pipe laying solution dehumidification system which characterized in that: the dehumidifier comprises a dehumidifier, a regenerator and a liquid storage tank, wherein the dehumidifier is a dehumidifier which adopts a dehumidifying solution to dehumidify, a first air return port of the dehumidifier is communicated with an indoor cavity, a first upper exhaust port of the dehumidifier is communicated with the indoor cavity, a second air return port of the regenerator is communicated with the indoor cavity, a second upper exhaust port of the regenerator is connected with an inlet of an exhaust pipeline, a heat exchange coil is arranged in at least one section of length of an inner cavity of the exhaust pipeline, an introducing end of the heat exchange coil is externally connected with an input water pump through a water pipe, a leading end of the heat exchange coil is externally embedded with the heat exchange coil through the water pipe, a water outlet end of the embedded heat exchange coil is connected with an input end of the input water pump, the embedded heat exchange coil is embedded at the ground bottom, a first liquid outlet of the dehumidifier is connected with a liquid inlet of the liquid storage tank, and a first liquid outlet pipeline of a liquid outlet of the liquid storage tank sequentially passes through a first, The second liquid inlet of the regenerator is connected behind the first condenser pipe of the condenser, the second liquid outlet of the regenerator is communicated with the inlet of a second liquid outlet pipeline, the second liquid outlet pipeline comprises a second coil pipe and a second heat recovery coil pipe which are positioned in the first heat recovery structure, the second heat recovery coil pipe is positioned in the tail end inner cavity of the exhaust pipeline, the tail end of the second liquid outlet pipeline is connected with the first liquid inlet of the dehumidifier, an evaporator is also arranged in the exhaust pipeline, two ends of the pipeline of the evaporator are respectively exposed out of the exhaust pipeline, the pipeline outlet end of the evaporator is connected with the inlet of a compressor, the outlet of the compressor is connected with the inlet of the second condenser pipe of the condenser, the outlet of the second condenser pipe is connected behind an expansion valve and is connected with the pipeline inlet of the evaporator, and the condenser, the compressor, the expansion valve, the evaporator and the corresponding pipelines are combined to form a heat pump, the heat pump is internally provided with a corresponding refrigerant, the exhaust pipeline is provided with a water pan corresponding to the downstream position of the evaporator, the water pan is connected with a drain pipe through an external pipeline, and the drain pipe discharges water in the water pan out of the whole indoor space.
2. The fresh-air-free type buried pipe solution dehumidifying system as claimed in claim 1, wherein: the dehumidifier specifically includes upper dehumidification solution import case, lower floor's dehumidification solution collecting box, the top of upper dehumidification solution import case is provided with first inlet, it is regional to be provided with first air inlet between upper dehumidification solution import case, the lower floor's dehumidification solution collecting box, the regional one side of first air inlet is provided with first return air inlet, one side of upper dehumidification solution import case is provided with first exhaust opening, the bottom of lower floor's dehumidification solution collecting box is provided with first liquid outlet.
3. The fresh-air-free type buried pipe solution dehumidifying system as claimed in claim 1, wherein: the regenerator specifically includes upper solution tank, lower floor's solution tank, the top of upper solution tank is provided with the second inlet, it is regional to be provided with the second air inlet between upper solution tank, the lower floor's solution tank, the regional one side of second air inlet is provided with the second return air inlet, one side of upper solution tank is provided with the second air exit, the bottom of lower floor's solution tank is provided with the second liquid outlet.
4. The fresh-air-free type buried pipe solution dehumidifying system as claimed in claim 1, wherein: the dehumidifier and the regenerator are arranged at certain spatial distance.
5. The fresh-air-free type buried pipe solution dehumidifying system as claimed in claim 1, wherein: first coil pipe, the second coil pipe in the first heat recovery mechanism are sealed in the casing, it is abundant contact to coil each other between first coil pipe, the second coil pipe.
6. The fresh-air-free type buried pipe solution dehumidifying system as claimed in claim 1, wherein: the first condensation pipe and the second condensation pipe in the condenser are mutually coiled and fully contacted.
7. The fresh-air-free type buried pipe solution dehumidification system as claimed in claim 6, wherein: the dehumidifying solution includes, but is not limited to, lithium bromide, lithium chloride, calcium chloride.
8. The fresh-air-free type buried pipe solution dehumidifying system as claimed in claim 1, wherein: the liquid inlet of the liquid storage tank is positioned at the upper part of the tank body, and the liquid outlet of the liquid storage tank is positioned at a certain height position at the lower part of the tank body.
9. The fresh-air-free type buried pipe solution dehumidifying system as claimed in claim 1, wherein: and the first air return opening of the dehumidifier and the second air return opening of the regenerator are respectively and independently provided with draught fans with corresponding air quantities.
10. The fresh-air-free type buried pipe solution dehumidifying system as claimed in claim 1, wherein: and the first exhaust port of the dehumidifier and the second exhaust port of the regenerator are respectively and independently provided with exhaust fans with corresponding air quantities.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920302091.2U CN210128448U (en) | 2019-03-11 | 2019-03-11 | No new trend type buried pipe solution dehumidification system |
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| CN201920302091.2U CN210128448U (en) | 2019-03-11 | 2019-03-11 | No new trend type buried pipe solution dehumidification system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109780641A (en) * | 2019-03-11 | 2019-05-21 | 悉地（苏州）勘察设计顾问有限公司 | A kind of no fresh air type underground pipe solution dehumidification system |
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2019
- 2019-03-11 CN CN201920302091.2U patent/CN210128448U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109780641A (en) * | 2019-03-11 | 2019-05-21 | 悉地（苏州）勘察设计顾问有限公司 | A kind of no fresh air type underground pipe solution dehumidification system |
| CN109780641B (en) * | 2019-03-11 | 2024-01-19 | 悉地（苏州）勘察设计顾问有限公司 | No new trend formula buried pipe solution dehumidification system |
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