Closed water expansion tank

Abstract

The utility model relates to the technical field of expansion water tanks, and discloses a closed water expansion water tank which comprises a base and cabinet bodies arranged at the two ends of the upper side of the base respectively, water storage tanks are arranged in the cabinet bodies, expansion tanks and a cooling tank are arranged on the upper side of the water storage tanks, the expansion tanks are arranged on the two sides of the cooling tank, and the cooling tank is arranged on the lower side of the base. The expansion box is installed on the top of the cabinet body and communicated with the cooling box, a ventilation opening is formed in the top of the cabinet body and communicated with the cooling box, a sewage collecting box is arranged between the water storage box and the expansion box, a sewage discharging pipe is installed on the lower side of the expansion box, and the sewage collecting box is communicated with the sewage discharging pipe. Corresponding pipelines are communicated respectively, the cabinet body on the upper side of the base is located in a system, the actual use amount of the expansion tanks is adjusted according to the demand quantity, the water storage tank is communicated with the corresponding expansion tanks at the two ends respectively, the expansion tanks are communicated with the internal structure of the cooling tank, and impurities generated by the expansion tanks enter a dirt collecting tank through a dirt discharging pipe. And centralized pollution discharge can be conveniently carried out.

Description

TECHNICAL FIELD

[0001] The utility model relates to expansion tank technical field, concretely is a closed water expansion tank. BACKGROUND

[0002] Expansion tank is a kind of auxiliary device for pipeline system and equipment, and the main purpose is to accommodate the expansion or shrinkage of fluid due to temperature change. It is widely used in heating, ventilation and air conditioning (HVAC), heating, water supply and industrial liquid transportation system, and expansion tank is an indispensable component in liquid circulation system, helps to maintain the stability, safety and high efficiency of system. By reasonable selection and configuration expansion tank, the reliability and service life of system can be significantly improved.

[0003] The conventional expansion tank when normal work, winter due to low temperature, the use of power plant is more frequent, single expansion tank can not meet the present situation, and the cooling water expansion tank of power plant can carry some impurities, these impurities need to be discharged by blowdown pipe, the conventional blowdown pipe is directly discharged, cleaning is more troublesome, therefore design a closed water expansion tank with centralized blowdown and replacement parallel expansion tank solves the above problems. UTILITY MODEL CONTENTS

[0004] (I) technical problem solved

[0005] In view of the deficiencies of prior art, the utility model provides a closed water expansion tank, has the advantages of centralized blowdown and replacement parallel expansion tank, solves the problem that the conventional expansion tank when normal work, winter due to low temperature, the use of power plant is more frequent, single expansion tank can not meet the present situation, and the cooling water expansion tank of power plant can carry some impurities, these impurities need to be discharged by blowdown pipe, the conventional blowdown pipe is directly discharged, cleaning is more troublesome.

[0006] (II) technical scheme

[0007] In order to realize the above-mentioned centralized pollution and replace the parallel expansion water tank, the utility model provides the following technical scheme: a closed water expansion water tank, including base, and the cabinet body of two ends of the upper side of base respectively, and the front side of cabinet body is equipped with the maintenance door, the inside of cabinet body is equipped with the water storage tank, and the upper side of water storage tank is equipped with the expansion tank and the cooling tank, the expansion tank is arranged in the two sides of cooling tank, and the expansion tank is communicated with cooling tank, the top of cabinet body is equipped with the ventilation opening, and the ventilation opening is communicated with cooling tank, the water storage tank is equipped with the collection tank between the expansion tank, and the lower side of expansion tank is equipped with the pollution pipe, the collection tank is communicated with pollution pipe. The corresponding pipeline is communicated respectively, so that the cabinet body of the upper side of the base is in a system, the actual use of the expansion tank is adjusted according to the demand, the maintenance door arranged at the front side of the cabinet body is convenient for the maintenance and overhaul of the inside of the cabinet body, the water storage tank is communicated with the corresponding expansion tank of two ends respectively, the inside structure of the expansion tank and the cooling tank is communicated, the impurities generated by the expansion tank enter the inside of the collection tank through the pollution pipe, which is convenient for centralized pollution.

[0008] Preferably, the upper side of the water storage tank is respectively provided with a water outlet pipe and a water inlet pipe, and the water outlet pipe and the water inlet pipe are respectively communicated with the corresponding expansion tank, the two sides of the expansion tank are respectively provided with a heat pipe and a second cold pipe, and the heat pipe and the second cold pipe are communicated, one end of the water outlet pipe and the water inlet pipe is respectively provided with an electromagnetic valve, and a water pump is arranged between the expansion tank and the water storage tank. The water storage tank is communicated with the corresponding expansion tank through the water outlet pipe and the water inlet pipe at two ends, a circulation is formed therebetween, the corresponding water inlet pipe and water outlet pipe are respectively provided with corresponding electromagnetic valves, which are convenient for control, and the two expansion tanks arranged in the cabinet body are communicated through the corresponding heat pipe and second cold pipe.

[0009] Preferably, the upper side of the base is provided with a cold air fan, and the output end of the cold air fan is provided with a concentration pipe, one end of the concentration pipe is provided with a branch pipe, and the branch pipe is communicated with the inside of the corresponding cabinet. When the temperature of the water outlet pipe is relatively high, the cold air generated by the cold air fan can be used for temperature reduction treatment of the water outlet pipe, and the cold air generated by the cold air fan can be discharged to the branch pipe through the concentration pipe, so that the water outlet pipe in each cabinet can be subjected to temperature reduction treatment when the two cabinets are connected in series.

[0010] Preferably, the expansion tank and the water storage tank are provided with a cold air tank, and the middle part of the water outlet pipe is arranged in the inside of the cold air tank, and the branch pipe is communicated with the corresponding cold air tank. The cold air generated by the cold air fan can fill the corresponding cold air tanks in the two cabinets, and most of the water outlet pipes are arranged in the inside of the cold air tank, which can quickly reduce the temperature of the water outlet pipe.

[0011] Preferably, the cooling box is equipped with cooling pipes, with both ends of the cooling pipes connected to a hot pipe and a second cold pipe, respectively. The vent is installed at the top of the cooling box, and an exhaust fan is installed on the inner wall of the vent. The exhaust fan extracts the water vapor generated inside the cooling box and discharges it into the air. A water pump draws water from the storage tank and then transports it into the cooling box through the inlet pipe. The water is then transported back into the storage tank through the outlet pipe, thus forming a complete closed-loop water flow. The hot pipe is connected to the hot water source in the power plant, and the cold pipe is connected to the cold water source in the power plant. The hot water generated by the power plant is then transported to the cooling pipes through the hot pipes. The heat medium flows within the cooling pipes, and the water flow inside the cooling box cools the heat medium inside the cooling pipes. Due to the flow of water inside the cooling box and the fact that the water submerges the cooling pipes, the cooling effect is significant, and the cooling speed is increased.

[0012] Preferably, a connecting pipe is installed on one side of the cabinet, and a control valve is installed in the middle of the connecting pipe. A first cold pipe is installed above the control valve. When using an expansion tank alone, the first cold pipe is connected to the cold water source of the power plant, and the control valve is operated to allow the expansion tank to be used independently.

[0013] (III) Beneficial Effects

[0014] Compared with the prior art, this utility model provides a closed-loop water expansion tank with the following advantages: This closed-loop water expansion tank connects the corresponding pipes to form a system with the cabinet on the upper side of the base. The actual usage of the expansion tank can be adjusted according to the demand. The maintenance door on the front of the cabinet facilitates maintenance and inspection of the cabinet's interior. The water storage tank is connected to the corresponding expansion tanks at both ends, and then connected to the internal structure of the cooling tank through the expansion tank. Impurities generated in the expansion tank enter the sludge collection tank through the drain pipe, facilitating centralized sludge discharge. This achieves the effect of centralized sludge discharge and replacement of parallel expansion tanks. Attached Figure Description

[0015] Figure 1 This is a structural diagram of the present invention;

[0016] Figure 2 This is the main view of the structure of this utility model;

[0017] Figure 3 This is a diagram showing the internal structure of the cabinet of this utility model;

[0018] Figure 4 This is a front view of the internal structure of the cabinet of this utility model;

[0019] Figure 5 This is a diagram showing the internal structure of the cooling box of this utility model;

[0020] Figure 6 It is the internal structure diagram of the ventilation opening.

[0021] In the figure: 1, base; 2, cabinet; 3, maintenance door; 4, ventilation opening; 5, first cold pipe; 6, second cold pipe; 7, control valve; 8, cold air machine; 9, heat pipe; 10, concentration pipe; 11, branch pipe; 12, electromagnetic valve; 13, water pump; 14, cold air box; 15, pollution collection box; 16, water storage tank; 17, expansion tank; 18, cooling box; 19, air extractor; 20, connecting pipe; 21, water inlet pipe; 22, water outlet pipe; 23, pollution discharge pipe; 24, cooling pipe. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Embodiment: please refer to Figures 1-5 A closed water expansion water tank, a closed water expansion water tank, including base 1, and the cabinet 2 of two ends of the upper side of base 1 is set respectively, and the front side of cabinet 2 is provided with maintenance door 3, the inside of cabinet 2 is equipped with water storage tank 16, and the upper side of water storage tank 16 is provided with expansion tank 17 and cooling box 18, expansion tank 17 is arranged at the two sides of cooling box 18, and expansion tank 17 is communicated between expansion tank 17 and cooling box 18, the top of cabinet 2 is provided with ventilation opening 4, and ventilation opening 4 is communicated with cooling box 18, water storage tank 16 and expansion tank 17 are equipped with pollution collection box 15, and the lower side of expansion tank 17 is provided with pollution discharge pipe 23, and pollution collection box 15 is communicated with pollution discharge pipe 23.

[0024] Among them, the corresponding pipeline is communicated respectively, so that the cabinet 2 of the upper side of base 1 is in a system, the actual amount of expansion tank is adjusted according to the demand, the maintenance door 3 arranged at the front side of cabinet 2 is convenient for the maintenance and overhaul of the inside of cabinet 2, water storage tank 16 is communicated with the corresponding expansion tank 17 at two ends respectively, the inside structure of expansion tank 17 and cooling box 18 is communicated, the impurities generated by expansion tank 17 enter the inside of pollution collection box 15 through pollution discharge pipe 23, which is convenient for centralized pollution discharge.

[0025] The upper side of the water storage tank 16 is respectively provided with a water outlet pipe 22 and a water inlet pipe 21, and the water outlet pipe 22 and the water inlet pipe 21 are respectively communicated with the corresponding expansion tank 17, the two sides of the expansion tank 17 are respectively provided with a heat pipe 9 and a second cold pipe 6, and the heat pipe 9 and the second cold pipe 6 are communicated, and the water outlet pipe 22 and the water inlet pipe 21 are respectively provided with an electromagnetic valve 12 at one end, and the water pump 13 is arranged between the expansion tank 17 and the water storage tank 16.

[0026] The water storage tank 16 is communicated with the corresponding expansion tank 17 through the water outlet pipe 22 and the water inlet pipe 21 at both ends, and a circulation is formed therebetween, and the corresponding water inlet pipe 21 and the water outlet pipe 22 are respectively provided with a corresponding electromagnetic valve 12, which is convenient for control, and the two expansion tanks 17 arranged in the cabinet body 2 are communicated through the corresponding heat pipe 9 and the second cold pipe 6.

[0027] The upper side of the base 1 is provided with a cold air machine 8, and the output end of the cold air machine 8 is provided with a concentrating pipe 10, one end of the concentrating pipe 10 is provided with a branch pipe 11, and the branch pipe 11 is respectively communicated with the inside of the corresponding cabinet body 2.

[0028] When the temperature of the water outlet pipe 22 is higher, the cold air generated by the cold air machine 8 can be used for cooling the water outlet pipe 22, and the cold air generated by the cold air machine 8 is discharged to the branch pipe 11 through the concentrating pipe 10, so that the water outlet pipe 22 in each cabinet body 2 can be cooled when the two cabinet bodies 2 are connected in series.

[0029] The expansion tank 17 and the water storage tank 16 are provided with a cold air tank 14, and the middle part of the water outlet pipe 22 is arranged in the inside of the cold air tank 14, and the branch pipe 11 is communicated with the corresponding cold air tank 14.

[0030] The cold air generated by the cold air machine 8 can fill the corresponding cold air tank 14 in the inside of the two cabinet bodies 2, and most of the water outlet pipe 22 is arranged in the inside of the cold air tank 14, which can quickly cool the water outlet pipe 22.

[0031] The inside of the cooling tank 18 is provided with a cooling pipe 24, and the two ends of the cooling pipe 24 are respectively communicated with the heat pipe 9 and the second cold pipe 6, and the ventilation port 4 is arranged at the upper end of the cooling tank 18, and the inner wall of the ventilation port 4 is provided with an air extractor 19.

[0032] The water vapor generated in the cooling tank 18 is extracted by the air extractor 19 and discharged into the air, the water in the water storage tank 16 is extracted by the water pump 13, then the water is transported into the cooling tank 18 through the water inlet pipe 21, then the water is transported into the water storage tank 16 through the water outlet pipe 22, thereby forming a complete water flow closed loop, then the heat pipe 9 is connected with the hot water source in the power plant, the second cold pipe 6 or the first cold pipe 5 is connected with the cold water source in the power plant, then the hot water generated by the power plant is transported into the cooling pipe 24 through the heat pipe 9, then the heat medium flows in the cooling pipe 18, and the heat medium in the cooling pipe 18 is cooled by the water flow in the cooling tank 18, because the water in the cooling tank 18 flows, and the water in the cooling tank 18 covers the cooling pipe 24, so the cooling effect is obvious, and the cooling speed is improved.

[0033] The cabinet body 2 is provided with a connecting pipe 20, and the middle part of the connecting pipe 20 is provided with a control valve 7, and the upper side of the control valve 7 is provided with a first cold pipe 5.

[0034] When the expansion water tank is used alone, the first cold pipe 5 is in contact with the cold water source in the power plant, and the control valve 7 is controlled, so that the expansion water tank can be used alone.

[0035] Working principle: the corresponding pipelines are connected respectively, so that the cabinet body 2 on the upper side of the base 1 is in a system, the actual amount of the expansion water tank is adjusted according to the demand, the maintenance door 3 arranged on the front side of the cabinet body 2 is convenient for the maintenance and repair of the inside of the cabinet body 2, the water storage tank 16 is respectively connected with the corresponding expansion tanks 17 at both ends, the expansion tanks 17 are connected with the internal structure of the cooling tank 18, the impurities generated by the expansion tanks 17 enter the inside of the sewage collecting tank 15 through the sewage pipe 23, so as to facilitate the centralized sewage discharge; the water vapor generated in the cooling tank 18 is extracted by the air extractor 19 and discharged into the air, the water in the water storage tank 16 is extracted by the water pump 13, then the water is transported into the cooling tank 18 through the water inlet pipe 21, then the water is transported into the water storage tank 16 through the water outlet pipe 22, thereby forming a complete water flow closed loop, when the temperature of the water outlet pipe 22 is high, the cold air generated by the air cooler 8 can be used for cooling treatment of the water outlet pipe 22, the cold air generated by the air cooler 8 is discharged to the branch pipe 11 through the concentrating pipe 10, so that the water outlet pipe 22 in each cabinet body 2 can be cooled when the two cabinet bodies 2 are connected in series, then the heat pipe 9 is connected with the hot water source in the power plant, the second cold pipe 6 or the first cold pipe 5 is connected with the cold water source in the power plant, then the hot water generated by the power plant is transported into the cooling pipe 24 through the heat pipe 9, then the heat medium flows in the cooling pipe 24, and the heat medium in the cooling pipe 24 is cooled by the water flow in the cooling tank 18, because the water in the cooling tank 18 flows, and the water in the cooling tank 18 covers the cooling pipe 24, so the cooling effect is obvious, and the cooling speed is improved.

[0036] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A closed-loop water expansion tank, comprising a base (1) and cabinets (2) respectively disposed at both ends of the upper side of the base (1), wherein a maintenance door (3) is installed on the front side of the cabinets (2), characterized in that: The inside of the cabinet (2) is provided with a water storage tank (16), and the upper side of the water storage tank (16) is provided with an expansion tank (17) and a cooling tank (18), the expansion tank (17) is arranged on both sides of the cooling tank (18), and the expansion tank (17) and the cooling tank (18) are communicated, the top of the cabinet (2) is provided with a ventilation opening (4), and the ventilation opening (4) is communicated with the cooling tank (18), the water storage tank (16) and the expansion tank (17) are provided with a sewage collection tank (15), and the lower side of the expansion tank (17) is provided with a sewage discharge pipe (23), the sewage collection tank (15) and the sewage discharge pipe (23) are communicated.

2. A closed type water expansion tank according to claim 1, characterized in that: The upper side of the water storage tank (16) is provided with a water outlet pipe (22) and a water inlet pipe (21), and the water outlet pipe (22) and the water inlet pipe (21) are communicated with the corresponding expansion tank (17), the two sides of the expansion tank (17) are provided with a heat pipe (9) and a second cold pipe (6), and the heat pipe (9) and the second cold pipe (6) are communicated, one end of the water outlet pipe (22) and the water inlet pipe (21) is provided with an electromagnetic valve (12), and the water pump (13) is arranged between the expansion tank (17) and the water storage tank (16).

3. A closed type water expansion tank according to claim 2, wherein: The upper side of the base (1) is provided with a cold air machine (8), and the output end of the cold air machine (8) is provided with a concentrating pipe (10), one end of the concentrating pipe (10) is provided with a branch pipe (11), and the branch pipe (11) is communicated with the inside of the corresponding cabinet (2).

4. A closed type water expansion tank according to claim 3, wherein: The expansion tank (17) and the water storage tank (16) are provided with a cold air tank (14), and the middle part of the water outlet pipe (22) is arranged in the inside of the cold air tank (14), the branch pipe (11) is communicated with the corresponding cold air tank (14).

5. A closed type water expansion tank according to claim 1, wherein: The inside of the cooling tank (18) is provided with a cooling pipe (24), and the two ends of the cooling pipe (24) are communicated with the heat pipe (9) and the second cold pipe (6), the ventilation opening (4) is arranged at the upper end of the cooling tank (18), and the inner wall of the ventilation opening (4) is provided with an exhaust fan (19).

6. A closed type water expansion tank according to claim 1, wherein: One side of the cabinet (2) is provided with a connecting pipe (20), and the middle part of the connecting pipe (20) is provided with a control valve (7), and the upper side of the control valve (7) is provided with a first cold pipe (5).

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