CN219977149U

CN219977149U - CNG standard station capable of circularly cooling

Info

Publication number: CN219977149U
Application number: CN202320505164.4U
Authority: CN
Inventors: 李奎
Original assignee: Bengbu Enn Gas Co ltd
Current assignee: Bengbu Enn Gas Co ltd
Priority date: 2023-03-16
Filing date: 2023-03-16
Publication date: 2023-11-07
Anticipated expiration: 2033-03-16

Abstract

The utility model discloses a circulating cooling CNG standard station, which comprises a cooling tower, wherein a fan is arranged at the top of the cooling tower, a cooling component and a control component are arranged in the cooling tower, the cooling component comprises a water tank arranged at the inner bottom end of the cooling tower, the circulating cooling CNG standard station is provided with the cooling component, the cooling component is provided with a heat exchange coil group, the working principle is that cooled water circulates in the heat exchange coil group of a closed cooling tower, heat is absorbed by the wall of a coil, a spraying system sprays water on the heat exchange coil to form a water film, the water exchanges heat with the heat exchange coil, and the heat of the wall of the coil is discharged outside a machine through the fan at the top. And meanwhile, the water film on the pipe wall absorbs heat and evaporates to become water vapor, the water vapor is discharged into the atmosphere by an exhaust fan at the top of the cooling tower, and water drops which are not evaporated fall into a water collecting tank for recycling. The water tank is made of stainless steel, so that the pressure resistance and the corrosion resistance can be effectively achieved. Meanwhile, the water-saving and water-saving device has the functions of supplementing circulating water and stabilizing pressure.

Description

CNG standard station capable of circularly cooling

Technical Field

The utility model relates to the technical field of CNG standard stations, in particular to a circulating cooling CNG standard station.

Background

The CNG standard station is a process station yard which is connected with the tail end of a gas transmission pipeline and is built by taking pipeline gas as a treatment gas source. The CNG standard station is an important gas filling station type filled with CNG fuel automobiles and CNG tank cars, and at present, the domestic standard station generally adopts a process flow with mature technology, namely, main treatments such as dust removal, dehydration, desulfurization, compression and the like are carried out on an incoming gas source, then natural gas is pressurized to 25MPa, and then a special transport vehicle (CNG tank cars or long-tube trailers) is filled with the natural gas through a gas filling machine and transported to all gas filling stations in urban areas. The management of CNG standard stations is a newer field involving management of high pressure flammable, explosive gases and high pressure vessels, and involves management in many ways. Therefore, by adopting various approaches and measures, the comprehensive management of the CNG gas filling parent station is made, and the improvement of the CNG gas filling overall management level is very important.

The CNG standard station circulating water system is an open circulating cooling water system, and has the defects of being influenced by water quality and flock in air, serious scaling phenomenon of a process water pipeline, influence on the cooling effect of a compressor, and lower the service cycle and service life of the compressor, so that the maintenance cost is high. The technology of the existing closed cooling water system is mature gradually, the existing CNG standard station circulating water system can be subjected to technical research and development, the open circulating water system is replaced by the closed circulating water system, the scaling condition of circulating water is reduced, and the cooling efficiency is improved.

Disclosure of Invention

The utility model aims to provide a circulating cooling CNG standard station, which aims to solve the problems that an open circulating cooling water system has serious scaling phenomenon of a process water pipeline, influences the cooling effect of a compressor and reduces the service life and the service life of the compressor.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the circulating cooling CNG standard station comprises a cooling tower, wherein a fan is arranged at the top of the cooling tower, and a cooling component and a control component are arranged in the cooling tower;

the cooling assembly comprises a water tank arranged at the inner bottom end of the cooling tower, the water tank is made of stainless steel, a heat exchange coil is arranged in the cooling tower, the two ends of the heat exchange coil are a water inlet and a water outlet respectively, and cooling water enters the heat exchange coil from the water inlet of the heat exchange coil.

Preferably, a spray pump is arranged on one side of the lower end of the water tank in a penetrating way, a spray pipe fixed on one side of the spray pump penetrates through the upper end of the cooling tower, a plurality of groups of spray heads are fixedly connected to the bottom of the spray pipe penetrating through the upper end side of the cooling tower, and the spray heads are made of reinforced PP materials and reinforced PP shower heads.

Through the technical scheme, the heat exchange coil is cooled.

Preferably, the other side of the lower end of the cooling tower is communicated with a water supplementing pump, and two sides of the cooling tower are fixedly connected with an air inlet grille.

Through the technical scheme, the evaporated water is supplemented.

Preferably, the control assembly comprises a touch integrated machine, a controller, a frequency converter and the like, wherein the controller and the frequency converter are integrated in the touch integrated machine, the touch integrated machine is connected with the controller, the controller is connected with the frequency converter, and the frequency converter is connected with the fan, the spray water pump and the water supplementing pump.

Through the technical scheme, the speed of the spray water pump and the speed of the fan are regulated.

Preferably, a pressure transmitter is arranged at the water outlet end of the spray water pump, and the pressure transmitter is connected with the controller.

Through above-mentioned technical scheme, constant voltage control spray water pump.

Preferably, relays are arranged between the frequency converter and the spray water pump and between the frequency converter and the fan, and are respectively connected with the frequency converter and the spray water pump, the frequency converter and the fan, and are connected with the controller.

By the technical scheme, the start and stop of the spray water pump and the fan are controlled.

Preferably, a liquid level sensor is arranged in the water tank, the liquid level sensor is connected with the controller, and the controller is connected with the buzzer alarm.

Through the technical scheme, the water level of the water tank is detected and early-warned.

Preferably, a water pump overheat protector is arranged in the spray water pump, the water pump overheat protector is connected with the controller, and a temperature display is arranged on the outer surface of the touch integrated machine.

Through the technical scheme, the temperature of the water pump is displayed and early warned.

Preferably, the surface of touch all-in-one is provided with control screen and warning light, and touch all-in-one is connected with the control screen, and the controller is connected with the warning light.

Through the technical scheme, the system fault is monitored and early-warned.

Compared with the prior art, the utility model has the beneficial effects that: a CNG standard station for circularly cooling,

the cooling component is arranged, the CNG standard station circulating water system is an open circulation cooling water system, the use defect is influenced by water quality and flocks in air, the scaling phenomenon of a process water pipeline is serious, the cooling effect of a compressor is influenced, the service cycle and the service life of the compressor are reduced, the maintenance cost is high, the heat exchange coil group arranged in the cooling component is used for circulating cooling water in the heat exchange coil group of the closed cooling tower, heat is absorbed by the wall of the coil, a water spray system sprays water on the heat exchange coil to form a water film, the water and the heat exchange coil are subjected to heat exchange, and the heat of the wall of the tube is discharged outside the machine through a fan at the top. At the same time, the water film on the pipe wall absorbs heat and evaporates to become water vapor, which is discharged into the atmosphere by a fan at the top of the cooling tower, and the water drops which are not evaporated fall into a water tank for recycling. The water tank is made of stainless steel, so that the pressure resistance and the corrosion resistance can be effectively achieved. Meanwhile, the water-saving and water-saving device has the functions of supplementing circulating water and stabilizing pressure. The heat exchange of the circulating water pump, the circulating water channel and the spray water ensures the cooling effect, ensures the purity of the water medium in the pipeline, does not need frequent shutdown maintenance, has stable and safe operation, and can reduce the failure rate of the associated equipment.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic diagram of the front view of the liquid and air flow direction of the present utility model;

FIG. 3 is a schematic diagram of the front view of the connection of the touch control integrated machine, the control screen, the temperature display and the warning lamp;

FIG. 4 is a schematic diagram of a connection three-dimensional structure of the touch control integrated machine, the control screen, the temperature display and the warning lamp;

FIG. 5 is a schematic diagram of a control local control flow according to the present utility model;

FIG. 6 is a schematic diagram of the control flow of the controller, frequency converter, relay fan and spray water pump of the present utility model;

FIG. 7 is a schematic diagram of the control flow of the liquid level sensor, the controller, the overheat protector of the water pump and the buzzer alarm.

In the figure: 1. a cooling tower; 2. a fan; 3. a cooling component; 301. a water tank; 302. a heat exchange coil; 303. a water inlet; 304. a water outlet; 305. a spray water pump; 306. a shower pipe; 307. a spray head; 308. a water supplementing pump; 309. an air inlet grille; 4. a control assembly; 401. the touch integrated machine; 402. a controller; 403. a frequency converter; 404. a relay; 405. a pressure transmitter; 406. a liquid level sensor; 407. a water pump overheat protector; 408. a buzzer alarm; 409. a control screen; 410. a temperature display; 411. a warning light.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-7, the present utility model provides a technical solution: the utility model relates to a circulating cooling CNG standard station;

as shown in fig. 1 and 5, including cooling tower 1, the top of cooling tower 1 is provided with fan 2, and cooling tower 1's inside is provided with cooling module 3 and control assembly 4, cools down heat exchange coil 302 through cooling module 3 that sets up, and wherein, cooling module 3 is including setting up in cooling tower 1 inner bottom's water tank 301, and water tank 301 adopts stainless steel, and cooling tower 1's inside is provided with heat exchange coil 302, and heat exchange coil 302's both ends are water inlet 303 and delivery port 304 respectively, and the cooling water gets into heat exchange coil 302 from heat exchange coil 302's water inlet 303.

In the above-described solution, the cooling water enters the heat exchange coil 302 from the water inlet 303, circulates in the heat exchange coil 302, and the heat is absorbed by the walls of the heat exchange coil 302.

As shown in fig. 1 and 5, further, a spray water pump 305 is arranged on one side of the lower end of the water tank 301, a spray pipe 306 fixed on one side of the spray water pump 305 is arranged on the upper end of the cooling tower 1, a plurality of groups of spray nozzles 307 are fixedly connected to the bottom of the spray pipe 306 on the upper end side of the cooling tower 1, the spray nozzles 307 are made of reinforced PP materials, the PP shower nozzles are reinforced, the contact surface area between high-temperature cooling water entering the tower and air is expanded as much as possible, hot water exchange between water vapor is increased, heat of the high-temperature cooling water is transferred to the air, and therefore the temperature of the cooling water is reduced, the purpose of recycling water resources is achieved.

In the above further scheme, the water in the water tank 301 is pumped out by the spray pump 305, and is sprayed on the heat exchange coil 302 through the spray pipe 306 and the spray nozzle 307 with one end penetrating, so as to form a water film, the water exchanges heat with the heat exchange coil 302, the heat of the pipe wall is discharged out of the machine through the fan 2 at the top, meanwhile, the water film on the pipe wall absorbs heat and evaporates to become water vapor, the water vapor is discharged into the atmosphere by the fan 2 at the top of the cooling tower 1, the water drops which are not evaporated fall into the water tank 301 for recycling, the heat exchange of the spray pump 305, the spray pipe 306 and the spray water ensures the cooling effect, ensures the purity of the water medium in the pipeline, does not need frequent shutdown maintenance, and has stable and safe operation, and can reduce the failure rate of the associated equipment.

As shown in fig. 1, the other side of the lower end of the cooling tower 1 is fixedly connected with a water supplementing pump 308, and two sides of the cooling tower 1 are fixedly connected with an air inlet grille 309.

In the above further solution, a part of the water is lost during the water circulation process, and is replenished by the water replenishing pump 308, and the air inlet grille 309 cools the heat exchange coil 302.

As shown in fig. 5, the cooling component 3 is intelligently controlled by the control component 4, the control component 4 includes a touch integrated machine 401, a controller 402, a frequency converter 403 and the like, the controller 402 and the frequency converter 403 are integrated in the touch integrated machine 401, the touch integrated machine 401 is connected with the controller 402, the controller 402 is connected with the frequency converter 403, the frequency converter 403 is connected with the fan 2, the spray water pump 305 and the water supplementing pump 308, the touch integrated machine 401 includes a control screen 409 and a processor, system parameters can be set on site, the frequency converter 403 is connected with the controller 402, and the rotation speeds of the fan and the water pump in the spray water pump 305 are adjusted according to control instructions of the controller 402.

In the above scheme, the frequency converter 403 and the controller 402 perform speed regulation control on the spray water pump 305 and the fan 2, and the constant pressure water supply is realized by changing the water yield of the spray water pump 305.

As shown in fig. 5, further, the water outlet end of the shower water pump 305 is provided with a pressure transmitter 405, and the pressure transmitter 405 is connected to the controller 402.

In the above further scheme, the pressure transmitter 405 detects the water pressure in real time and feeds back the water pressure to the controller 402, and the controller 402 forms a control command to the frequency converter 403 according to the pressure value set by the touch integrated machine 401, and adjusts the rotation speed of the spray water pump 305 through the frequency converter 403, so as to automatically adjust the water pressure, and keep the water pressure constant.

As shown in fig. 6, relays 404 are provided between the inverter 403 and the shower pump 305 and between the inverter 403 and the fan 2, and the inverter 403 and the shower pump 305, the inverter 403 and the fan 2 are connected, respectively, and the controller 402 is connected.

In the above-described scheme, the start and stop of the water pump and the fan 2 are controlled according to the instruction of the controller 402.

As shown in fig. 7, a liquid level sensor 406 is disposed in the water tank 301, the liquid level sensor 406 is connected with the controller 402, and the controller 402 is connected with a buzzer alarm 408.

In the above scheme, the liquid level sensor 406 detects the water level in the water tank 301 and feeds back to the controller 402, when the liquid level is lower than the minimum value, the controller 402 controls the buzzer alarm 408 to give an alarm, and at the same time, the controller 402 controls the water replenishing pump 308 to replenish water in the water tank 301.

As shown in fig. 7, a water pump overheat protector 407 is disposed in the spray water pump 305, the water pump overheat protector 407 is connected with the controller 402, a temperature display 410 is disposed on the outer surface of the touch integrated machine 401, and the control assembly includes a communication module, which is used for communicating with the touch integrated machine or the user side.

In the above scheme, the water pump thermal protector 407 is configured to detect information such as temperature and humidity of the spray water pump 305 in real time, and then transmit the information of the spray water pump 305 to a user through the touch integrated machine 401, and when the temperature is high, the controller 402 controls the buzzer alarm 408 to warn.

As shown in fig. 3 and 4, a control screen 409 and a warning lamp 411 are provided on the outer surface of the touch integrated machine 401, the touch integrated machine 401 is connected with the control screen 409, and the controller 402 is connected with the warning lamp 411.

In the above-mentioned scheme, the parameters of the control component 4 are set by the control screen 409, and when the control component 4 operates, the operation condition of the control component 4 is monitored and the system fault is detected according to the set parameters, and the warning lamp 411 is used to prompt that the system has failed.

The terms "center," "longitudinal," "transverse," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used for descriptive simplicity and convenience only and not as an indication or implying that the apparatus or element being referred to must have a particular orientation, be constructed and operated for a particular orientation, based on the orientation or positional relationship illustrated in the drawings, and thus should not be construed as limiting the scope of the present utility model.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a circulation cooling CNG standard station, includes cooling tower (1), the top of cooling tower (1) is provided with fan (2), its characterized in that: a cooling component (3) and a control component (4) are arranged in the cooling tower (1);

the cooling assembly (3) comprises a water tank (301) arranged at the inner bottom end of the cooling tower (1), the water tank (301) is made of stainless steel, a heat exchange coil (302) is arranged in the cooling tower (1), a water inlet (303) and a water outlet (304) are respectively arranged at two ends of the heat exchange coil (302), and cooling water enters the heat exchange coil (302) from the water inlet (303) of the heat exchange coil (302).

2. A cyclic cooling CNG standard station according to claim 1, wherein: the spray water tank is characterized in that a spray water pump (305) is arranged on one side of the lower end of the water tank (301) in a penetrating mode, a spray pipe (306) fixed on one side of the spray water pump (305) penetrates through the upper end of the cooling tower (1), a plurality of groups of spray heads (307) are fixedly connected to the bottom of the spray pipe (306) penetrating through the upper end side of the cooling tower (1), and the spray heads (307) are made of reinforced PP materials to reinforce the PP shower heads.

3. A cyclic cooling CNG standard station according to claim 2, wherein: the other side of the lower end of the cooling tower (1) is communicated and fixedly connected with a water supplementing pump (308), and two sides of the cooling tower (1) are fixedly connected with an air inlet grille (309).

4. A cyclic cooling CNG standard station according to claim 1, wherein: the control assembly (4) comprises a touch all-in-one machine (401), a controller (402) and a frequency converter (403), wherein the controller (402) and the frequency converter (403) are integrated in the touch all-in-one machine (401), the touch all-in-one machine (401) is connected with the controller (402), the controller (402) is connected with the frequency converter (403), and the frequency converter (403) is connected with the fan (2), the spray water pump (305) and the water supplementing pump (308).

5. A cyclic cooling CNG standard station according to claim 4, wherein: the water outlet end of the spray water pump (305) is provided with a pressure transmitter (405), and the pressure transmitter (405) is connected with the controller (402).

6. A cyclic cooling CNG standard station according to claim 4, wherein: and a relay (404) is arranged between the frequency converter (403) and the spray water pump (305) and between the frequency converter (403) and the fan (2), and is respectively connected with the frequency converter (403) and the spray water pump (305), the frequency converter (403) and the fan (2) and is connected with the controller (402).

7. A cyclic cooling CNG standard station according to claim 1, wherein: a liquid level sensor (406) is arranged in the water tank (301), the liquid level sensor (406) is connected with the controller (402), and the controller (402) is connected with a buzzer alarm (408).

8. A cyclic cooling CNG standard station according to claim 6, wherein: be provided with water pump overheat protector (407) in spray water pump (305), water pump overheat protector (407) are connected with controller (402), touch the surface of all-in-one (401) and be provided with temperature display (410).

9. A cyclic cooling CNG standard station according to claim 8, wherein: the touch integrated machine (401) is characterized in that a control screen (409) and a warning lamp (411) are arranged on the outer surface of the touch integrated machine (401), the touch integrated machine (401) is connected with the control screen (409), and the controller (402) is connected with the warning lamp (411).