CN219387949U - Air-cooled refrigerating system for tunnel - Google Patents
Air-cooled refrigerating system for tunnel Download PDFInfo
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- CN219387949U CN219387949U CN202223607499.1U CN202223607499U CN219387949U CN 219387949 U CN219387949 U CN 219387949U CN 202223607499 U CN202223607499 U CN 202223607499U CN 219387949 U CN219387949 U CN 219387949U
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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]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The utility model provides an air-cooled refrigerating system for a tunnel, which comprises a first shell and a second shell which are connected with each other, wherein an air cooling unit device is arranged in the first shell, an air cooling unit device is arranged in the second shell, the air cooling unit device comprises a heat radiating fan, a condenser and an evaporator, the heat radiating fan, the condenser and the evaporator are sequentially connected, cooling liquid is circulated between the condenser and the evaporator, the air cooling unit device comprises an air cooler, an axial-flow variable-frequency fan, an air pipe and a chilled water circulating device, the axial-flow variable-frequency fan, the air cooler and the air pipe are sequentially connected, chilled water circulates in the chilled water circulating device, and the chilled water circulating device passes through the first shell and the second shell to enable the chilled water to circularly exchange heat between the evaporator and the air cooler. The air cooling unit and the air cooling unit are respectively integrated in the two independent shells, so that the physical isolation of cold and heat sources is achieved, the operation energy consumption is reduced, and the effects of easy transportation and convenient use and maintenance are achieved through modularized packaging.
Description
Technical Field
The utility model relates to the technical field of air conditioning, in particular to an air-cooled refrigerating system for a tunnel.
Background
Underground tunnel engineering, frequent in the passing of internal construction machinery, large in heat productivity, limited in air flow in narrow space, and influenced by factors such as geothermal energy, so that heat in the tunnel is continuously accumulated, the temperature and humidity in the tunnel are increased, and the temperature can reach 40 ℃ at most and the humidity is 100%. Constructors can not effectively solve the problem of cooling inside the tunnel until now when working inside the tunnel. Under the high-temperature and high-humidity environment, when the physical labor is performed, the physical energy consumption is more along with the increase of the labor intensity, the dyspnea can occur to the personnel, the heatstroke reaction of the constructors in the tunnel can be seriously caused, the working efficiency is obviously reduced, and the constructors are injured in different degrees.
The inside cooling of tunnel in the past adopts the increase fresh air volume, and the cooling tower cooling of cooperation, and this kind of mode is not only energy consumption high, and cooling efficiency is low, can't dehumidify, and the cooling tower can only set up outside the hole moreover, along with the continuous deep in tunnel, the pipeline length and the area of cooling tower will obviously increase, and required water pressure water yield needs constantly to increase, appears the unstable scheduling situation of water pressure inadequately refrigeration easily, and equipment arrangement is scattered, very inconvenient to actual construction process.
Therefore, a refrigerating system is needed, which can be controlled stably as far as possible, and the variable frequency equipment is used, so that the refrigerating energy consumption is reduced, the intelligent control is increased, the temperature and the humidity inside the tunnel are ensured to meet the specifications, and the comfort and the economy are improved.
Disclosure of Invention
In order to solve the problems, the utility model provides an air-cooled refrigerating system for a tunnel, which uses frequency conversion equipment to reduce refrigerating energy consumption, ensures that the temperature and the humidity in the tunnel accord with the specifications, and improves comfort and economy.
The utility model provides an air-cooled refrigeration system for a tunnel, which comprises a first shell and a second shell which are connected with each other, wherein an air cooling unit device is arranged in the first shell, the second shell is internally provided with an air cooling unit device, the air cooling unit device comprises a heat dissipation fan, a condenser and an evaporator, the heat dissipation fan, the condenser and the evaporator are sequentially connected, cooling liquid circulates between the condenser and the evaporator, the condenser is provided with an air inlet and an air outlet, a first air inlet and a first air outlet which are communicated with air outside the tunnel are arranged on the first shell, the first air inlet is communicated with the air inlet of the condenser, the air outlet of the condenser is communicated with a heat dissipation fan, the heat dissipation fan is arranged on the first air outlet of the first shell, the air cooling unit device comprises an air cooler, an axial-flow variable-frequency fan, an air pipe and a freezing water circulation device, the freezing water circulation device is arranged in the freezing water circulation device in a way that the freezing water circulation device passes through the first shell and the second shell to enable the evaporator to pass through the first shell and the second shell, the air inlet is communicated with the second air inlet and the second air circulation device, the second axial-flow fan is arranged on the second air inlet is communicated with the second air inlet, and the second air outlet is communicated with the air inlet.
In some embodiments, the refrigerating water circulation device further comprises a temperature and humidity sensor, a controller and an electric control valve arranged on the refrigerating water circulation device, wherein the temperature and humidity sensor is arranged at an outlet of the air pipe and is electrically connected with the controller, and the controller is electrically connected with the electric control valve.
In some embodiments, the heat dissipation fan is located on one side of the first housing, the evaporator is located on the opposite side of the first housing, and the controller is disposed on one side of the evaporator within the first housing.
In some embodiments, the air cooling unit device further comprises a condenser filter device, wherein the condenser filter device is wrapped on an air inlet of the condenser.
In some embodiments, the condenser filtration device comprises filter cotton, the air cooling unit device further comprises a condenser spray system, and the condenser spray system is located above the condenser filtration device.
In some embodiments, the chilled water circulation device comprises a circulation line, a water storage tank and a circulation pump positioned on the circulation line, wherein the circulation line is configured to circulate chilled water between the evaporator and the air cooler through the first housing and the second housing.
In some embodiments, the air cooling unit device further comprises an air cooler filter device, wherein the air cooler filter device is arranged at the air inlet of the air cooler.
In some embodiments, the air cooler filter device comprises filter cotton covering an air inlet of the air cooler, and the air cooler unit device further comprises an air cooler spray system, wherein the air cooler spray system is arranged at the air upstream of the air cooler filter device.
In some embodiments, the air cooler filter device further comprises filter cotton disposed at the outlet of the air cooler.
In some embodiments, the second air outlet is located on a side of the second housing facing into the tunnel, and the second air inlet is located on other two sides of the second housing.
According to the utility model, the air cooling unit and the air cooling unit are respectively integrated in the two independent shells, so that the physical isolation of cold and heat sources is realized, the operation energy consumption is reduced, and the effects of easy transportation and convenient use and maintenance are realized through modularized packaging. And the physical isolation of cold and heat sources is helpful for reducing the air-out humidity and improving the comfort level of the user body feeling in the tunnel.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.
Fig. 1 is a schematic diagram of an air-cooled refrigeration system for a tunnel according to the present utility model.
In the figure: 1-a heat radiation fan; a 2-condenser; 3-an evaporator; 4-a condenser spray system; 5-evaporator outlet water pipe; 6-an evaporator water inlet pipeline; 7-condenser filtration means; 8-an air cooler; 9-an axial-flow variable-frequency fan; 10-wind pipes; 11-an air cooler spray system; 12-an air cooler filtering device; 13-a pipe filter; 14-a circulation pump; 15-an electric control valve; 16-a water storage tank; 17-a circulation line; 18-a temperature and humidity sensor; 19-controller.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
The utility model provides an air-cooled refrigerating system for a tunnel, which is shown in fig. 1 and comprises a first shell and a second shell which are connected with each other, wherein an air cooling unit device is arranged in the first shell, and an air cooling unit device is arranged in the second shell.
The air cooling unit device belongs to a variable-frequency refrigerating system and comprises a heat radiation fan 1, a condenser 2, an evaporator 3, an evaporator water inlet pipeline 5 and an evaporator water outlet pipeline 6.
The heat dissipation fan 1, the condenser 2 and the evaporator 3 are sequentially connected and are arranged in the first shell.
The heat radiation fan 1 is located at one side of the first housing, and the evaporator 3 is located at the opposite side of the first housing.
And cooling liquid is circulated in the air cooling unit device, evaporated and absorbed in the evaporator 3, and then condensed and released in the condenser 2 and circulated into the evaporator 3.
The evaporator water inlet pipeline 5 inputs the circulating working medium subjected to heat exchange and temperature rise into the evaporator 3, the evaporator 3 absorbs heat through evaporation, the circulating working medium in the evaporator 3 exchanges heat and cools, and the cooled circulating working medium is output to the outside through the evaporator water outlet pipeline 6 for cooling.
In one embodiment, the circulating working medium is chilled water, the pressure variation is tiny, the circulating working medium belongs to normal temperature and pressure medium, and a pressure container is not needed, so that the requirements of safety and environmental protection are met.
The condenser 2 is equipped with air intake and air outlet, is equipped with first air inlet and first air outlet on the first casing, and first air inlet communicates with the air intake of condenser 2, and the air outlet of condenser 2 communicates with cooling fan 1, and cooling fan 1 sets up on the first air outlet of first casing. Therefore, under the drive of the heat radiation fan 1, external air enters through the first air inlet of the first shell, is introduced into the condenser 2 to exchange heat with the cooling liquid, and is discharged by the heat radiation fan 1.
In particular, the first air inlet and the first air outlet are in air communication with the outside of the tunnel. The first air inlet and the first air outlet are not located in the same direction.
In one embodiment, the air cooling unit device further comprises a condenser filtering device 7, and the condenser filtering device 7 is wrapped on the air inlet of the condenser 2 to filter the external air.
Specifically, the condenser filtering device 7 comprises filter cotton, the air cooling unit device further comprises a condenser spraying system 4, purified water is introduced from the outside into the condenser spraying system 4, purified water is sprayed onto the filter cotton from the upper portion of the first shell, and the heat dissipation fan 1 drives air to pass through the filter cotton sprayed by the purified water, so that evaporation and heat absorption of heat exchange air are enhanced, and condensation and cooling efficiency of cooling liquid in the condenser 2 is improved. The lower part of the first shell is provided with a purified water recovery device for recycling.
The air cooling unit device comprises an air cooler 8, an axial-flow variable-frequency fan 9, an air pipe 10 and a chilled water circulation device.
The chilled water circulation device includes a circulation line 17, a water storage tank 16 and a circulation pump 14 which are provided on the circulation line 17.
One end of the circulating pipeline 17 is communicated with the evaporator water outlet pipeline 6, and the other end of the circulating pipeline is communicated with the evaporator water inlet pipeline 5 through the air cooler 8. Therefore, the circulating working medium flows into the circulating pipeline 17 after being subjected to heat exchange and temperature reduction in the evaporator 3, is stored by the water storage tank 16, is pumped by the circulating pump 14 and is supplied to the air cooler 8 for heat exchange, and the circulating working medium after heat exchange and temperature increase is input into the evaporator 3 through the evaporator water inlet pipeline 5 for heat exchange and temperature reduction, so that circulation is completed. The water storage tank 16 can store surplus chilled water to compensate the water consumption of the air cooler and stabilize the refrigerating capacity.
The axial-flow variable-frequency fan 9, the air cooler 8 and the air pipe 10 are sequentially arranged.
The second shell is provided with a second air inlet and a second air outlet which are communicated with air in the tunnel. The second air inlet is communicated with the inlet of the axial-flow variable-frequency fan 9, and the air pipe 10 is arranged on the second air outlet. The second air outlet is positioned on one side of the second shell facing into the tunnel, and the second air inlet is positioned on the other two sides of the second shell.
The axial-flow variable-frequency fan 9 sucks ambient air in the tunnel and sends the ambient air into the air cooler 8 for heat exchange and cooling, and the cooled air is blown out into the tunnel through the air pipe 10. Thereby, the tunnel air cooling cycle is completed.
In one embodiment, the air cooling unit device further comprises an air cooler filter device 12, wherein the air cooler filter device 12 is arranged at the air inlet of the air cooler 8, and filters and purifies the air introduced into the air cooler 8.
Preferably, the air cooler filter device 12 comprises filter cotton, the air cooler unit device further comprises an air cooler spray system 11, the filter cotton covers an air inlet of the air cooler 8, the air cooler spray system 11 is arranged on the air upstream of the filter cotton, air evaporation and heat dissipation are enhanced, and then the filter cotton adsorbs and dries humid air. A water collecting tank is arranged below the air cooler filter device 12 to collect the liquid absorbed and separated by the filter cotton for circulating spraying.
In one embodiment, the filter cotton of the air cooler filter device 12 is further disposed at the outlet of the air cooler 8, and the filter cotton is used as liquefied condensation core to accelerate the liquefaction and condensation of the moisture in the air after being cooled by the air cooler 8, so as to further enhance the dehumidification effect. Optionally, a water collecting tank is arranged below the air cooler filtering device 12 to collect the liquid absorbed and separated by the filter cotton for circulating spraying.
In one embodiment, the refrigeration system further includes a temperature and humidity sensor 18 and a controller 19, and a plurality of electrically controlled valves 15 disposed on each of the conduits. The temperature and humidity sensor 18 is disposed at the outlet of the air duct 10 to detect the temperature and humidity of the air. The temperature and humidity sensor 18 is electrically connected with the controller 19 in a wired or wireless manner to transmit the air outlet temperature and humidity information to the controller 19, and the controller 19 is electrically connected with the electric control valves 15 to adjust the opening and closing sizes of the electric control valves 15 based on the air outlet temperature and humidity information, so that the adjustment of the tunnel temperature and humidity can be realized. For example, when the ambient temperature and humidity reach a set value, the refrigerating system keeps low-power operation or enters a standby state, and if the ambient temperature and humidity reach higher than the set value, cooling is performed; if the humidity value is higher than the set value, starting a dehumidification mode to operate; and automatically stopping dehumidification when the humidity reaches or approaches to a set value.
In one embodiment, the controller 19 is disposed at one side of the evaporator 3 in the first housing, and the heat dissipation of the controller 19 is assisted by the cold outflow of the evaporator 3.
While the utility model has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the utility model and are intended to be within the scope of the utility model as claimed.
Claims (10)
1. An air-cooled refrigeration system for tunnels is characterized in that,
comprises a first shell and a second shell which are connected with each other, wherein an air cooling unit device is arranged in the first shell, an air cooling unit device is arranged in the second shell,
the air cooling unit device comprises a heat radiation fan, a condenser and an evaporator,
the heat radiation fan, the condenser and the evaporator are connected in sequence, cooling liquid is circulated between the condenser and the evaporator,
the condenser is provided with an air inlet and an air outlet, the first shell is provided with a first air inlet and a first air outlet which are communicated with the air outside the tunnel, the first air inlet is communicated with the air inlet of the condenser, the air outlet of the condenser is communicated with a heat dissipation fan, the heat dissipation fan is arranged on the first air outlet of the first shell,
the air cooling unit device comprises an air cooler, an axial-flow variable-frequency fan, an air pipe and a chilled water circulation device,
the axial-flow variable-frequency fan, the air cooler and the air pipe are connected in sequence,
the chilled water circulating device is internally circulated with chilled water, the chilled water circulating device is arranged to pass through the first shell and the second shell to enable the chilled water to circularly exchange heat between the evaporator and the air cooler,
the second shell is provided with a second air inlet and a second air outlet, the second air inlet and the second air outlet are communicated with the ambient air in the tunnel, the second air inlet is communicated with the inlet of the axial-flow variable-frequency fan, and the air pipe is arranged on the second air outlet.
2. The air-cooled refrigeration system for a tunnel according to claim 1, further comprising a temperature and humidity sensor and a controller, and an electric control valve arranged on the chilled water circulation device, wherein the temperature and humidity sensor is arranged at an outlet of the air pipe, the temperature and humidity sensor is electrically connected with the controller, and the controller is electrically connected with the electric control valve.
3. The air-cooled refrigeration system for a tunnel of claim 2, wherein the heat dissipating fan is located on one side of the first housing, the evaporator is located on the opposite side of the first housing, and the controller is located on one side of the evaporator within the first housing.
4. The air-cooled refrigeration system for a tunnel of claim 1, wherein the air-cooled unit further comprises a condenser filter, wherein the condenser filter is wrapped around the air inlet of the condenser.
5. The air-cooled refrigeration system for a tunnel of claim 4 wherein the condenser filter assembly comprises filter cotton and the air-cooled unit assembly further comprises a condenser spray system positioned above the condenser filter assembly.
6. An air-cooled refrigeration system for a tunnel according to claim 1, wherein the chilled water circulation device includes a circulation line, and a water storage tank and a circulation pump which are provided on the circulation line, the circulation line being provided to circulate chilled water between the evaporator and the air cooler through the first and second housings.
7. The air-cooled refrigeration system for a tunnel of claim 1, wherein the air cooling unit further comprises an air cooler filter device, and the air cooler filter device is arranged at an air inlet of the air cooler.
8. The air-cooled refrigeration system for a tunnel of claim 7, wherein the air cooler filter device comprises filter cotton covering an air inlet of the air cooler, and the air cooler unit device further comprises an air cooler spray system, and the air cooler spray system is arranged at the air upstream of the air cooler filter device.
9. The air-cooled refrigeration system for a tunnel of claim 8, wherein the air cooler filter further comprises filter cotton disposed at the outlet of the air cooler.
10. An air-cooled refrigeration system for a tunnel according to claim 1 wherein the second air outlet is located on a side of the second housing facing into the tunnel and the second air inlet is located on the other two sides of the second housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223607499.1U CN219387949U (en) | 2022-12-30 | 2022-12-30 | Air-cooled refrigerating system for tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223607499.1U CN219387949U (en) | 2022-12-30 | 2022-12-30 | Air-cooled refrigerating system for tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219387949U true CN219387949U (en) | 2023-07-21 |
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ID=87194386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223607499.1U Active CN219387949U (en) | 2022-12-30 | 2022-12-30 | Air-cooled refrigerating system for tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219387949U (en) |
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2022
- 2022-12-30 CN CN202223607499.1U patent/CN219387949U/en active Active
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