CN205536259U - Tenant cooling water system of energy -conserving building - Google Patents

Abstract

The utility model discloses an energy-saving cooling water system for tenants of large buildings, which comprises a closed cooling tower, a constant pressure tank, a water supply pump, a soft water facility and a cooling water pump; the water supply pipeline of the closed cooling tower is connected to a plurality of tenants The cooling water equipment interface of the tenant; the cooling water passes through the tenant’s cooling water equipment interface and returns to the closed cooling tower through the return pipeline; the municipal water supply is connected to the water supply pipeline of the cooling water pump through the soft water facility. The utility model is directly connected with the urban water supply pipe network through the soft water facility, which not only ensures the quality of the cooling water, but also solves the problem of separately building a water supply pool. The utility model lowers the temperature of the cooling water by means of a closed cooling tower for natural cooling of the cooling water and replenishment and cooling of urban water, without the need for a heat exchanger for heat exchange, thereby reducing the energy consumption of the entire system. The utility model is equipped with a water source heat pump and a hot water storage tank, which are used to recover the heat of high-temperature return water in the cooling water system and provide it to tenants for use, thereby saving energy.

Description

An Energy Efficient Tenant Cooling Water System for Large Buildings

technical field

The utility model relates to a cooling water system of a large building, in particular to a tenant cooling water system of a large building.

Background technique

For large-scale commercial and residential buildings with a construction area of more than 50,000 square meters, central air conditioning and cold and heat source systems are generally installed, but the establishment of a centralized cooling water system will lead to an increase in construction costs because only some tenants use it. And it is difficult to recover the investment. Therefore, it is necessary to build an independent cooling water system according to the requirements of some tenants.

Chinese patent CN201520431769.9 discloses a circulating cooling water system, which includes a cooling device connected to the workshop equipment to form a circulation loop. The cooling water supply pool is connected to the mixer through at least two parallel pipelines, one of which is directly connected to the mixer, and the other is connected to the mixer through a heat exchanger, and each pipeline is provided with a regulating valve. The residual pressure of the cooling water return water of the workshop equipment returns to the cooling tower, and after cooling, it enters the circulating cooling water supply pool. Part of the flow of water is fully mixed in the mixer and then sent to the workshop equipment.

Although this system can solve some tenants' needs for cooling water, for high-rise commercial and residential buildings, the investment in building a separate water supply pool is relatively large, and heat exchange equipment is required.

Utility model content

In order to solve the above-mentioned problems in the prior art, the utility model is to design a cooling water system for tenants of large buildings that does not require a separate water supply pool and does not require heat exchange equipment.

In order to achieve the above object, the technical solution of the present utility model is as follows: a tenant cooling water system of an energy-saving large building, including a closed cooling tower, a constant pressure tank, a replenishing water pump, a replenishing water tank, soft water facilities and a cooling water pump; There are two closed cooling towers, which are connected in parallel; the water supply pipeline of the closed cooling tower is connected to the cooling water equipment interface of multiple tenants through two parallel cooling water pumps; the cooling water passes through the cooling water of the tenants The water returns to the closed cooling tower through the water return pipeline after the interface with the water equipment; the water supply pipeline of the cooling water pump is also provided with a cooling water supply pipeline, and the entrance of the cooling water supply pipeline is connected to the municipal water supply pipe network, The municipal water supply is connected to the water supply pipeline of the cooling water pump through a soft water facility, a water replenishing tank and two parallel replenishing water pumps, and the constant pressure tank and the two parallel replenishing water pumps are connected in parallel.

Further, the cooling water return pipeline is also connected with a cooling water return pump and a water source heat pump, and the cooling water side outlet of the water source heat pump is connected to a closed cooling tower through the cooling water return pump; the heat of the water source heat pump The water side inlet is connected to the heat storage tank through the hot water circulation pump, and the hot water side outlet is directly connected to the heat storage tank.

Further, the closed cooling tower is also provided with a cooling water make-up pipeline.

Further, the top ends of the water supply pipeline and the water return pipeline are respectively provided with automatic exhaust valves with gas collecting tanks.

Further, a dynamic balance electric two-way valve is set between the water supply pipeline and the cooling water equipment interface of each tenant.

Further, the whole system also includes an automatic control system, a temperature sensor and an electric regulating valve, which are used to control the operation of the whole system.

Compared with the prior art, the utility model has the following beneficial effects:

1. The utility model is directly connected to the urban water supply pipe network through soft water facilities, which not only ensures the quality of cooling water, but also solves the problem of building a separate water supply pool.

2. The utility model lowers the temperature of the cooling water by means of natural cooling of the cooling water by a closed cooling tower and replenishment and cooling of urban water, without heat exchange by a heat exchanger, which reduces the energy consumption of the entire system.

3. The utility model is especially suitable for the construction of the cooling water system of high-rise buildings.

4. The utility model is equipped with a water source heat pump and a hot water storage tank, which are used to recover the heat of the high-temperature return water in the cooling water system and provide it to the tenants for use, saving energy.

Description of drawings

The utility model only has 1 accompanying drawing, wherein:

Fig. 1 is a structural representation of the utility model.

In the figure: 1. Closed cooling tower, 2. Constant pressure tank, 3. Water supply pump, 4. Water supply tank, 5. Soft water facility, 6. Cooling water pump, 7. Cooling water return pump, 8. Water source heat pump, 9. Hot water circulation pump, 10. Heat storage tank, 11. Cooling water equipment interface, 12. Dynamic balance electric two-way valve, 13. Automatic exhaust valve with gas collection tank.

detailed description

Below in conjunction with accompanying drawing, the utility model is further described. As shown in Figure 1, a kind of energy-saving tenant cooling water system of a large building comprises a closed cooling tower 1, a constant pressure tank 2, a make-up water pump 3, a make-up water tank 4, a soft water facility 5 and a cooling water pump 6; There are two closed cooling towers 1, which are connected in parallel; the water supply pipeline of the closed cooling tower 1 is connected to the cooling water equipment interface 11 of multiple tenants through two parallel cooling water pumps 6; the cooling water passes through The tenant's cooling water water equipment interface 11 returns to the closed cooling tower 1 through the return pipeline; the water supply pipeline of the cooling water pump 6 is also provided with a cooling water replenishment pipeline, and the cooling water replenishment pipeline The inlet is connected to the municipal water supply pipe network, and the municipal water supply is connected to the water supply pipeline of the cooling water pump 6 through the soft water facility 5, the replenishing water tank 4 and two parallel replenishing water pumps 3, the constant pressure tank 2 and the two parallel replenishing water pumps 3 in parallel.

Further, the cooling water return pipeline is also connected with a cooling water return pump 7 and a water source heat pump 8, and the cooling water side outlet of the water source heat pump 8 is connected to the closed cooling tower 1 through the cooling water return pump 7; The hot water side inlet of the water source heat pump 8 is connected to the hot water storage tank 10 through the hot water circulation pump 9, and the hot water side outlet is directly connected to the hot water storage tank 10.

Further, the closed cooling tower 1 is also provided with a cooling water make-up pipeline.

Further, the top ends of the water supply pipeline and the water return pipeline are respectively provided with an automatic exhaust valve 13 with an air collecting tank.

Further, a dynamic balance electric two-way valve 12 is provided between the water supply pipeline and the cooling water equipment interface 11 of each tenant.

Further, the whole system also includes an automatic control system, a temperature sensor and an electric regulating valve, which are used to control the operation of the whole system.

The utility model is not limited to this embodiment, and any equivalent ideas or changes within the technical scope disclosed in the utility model are listed as the protection scope of the utility model.

Claims (6)

1. tenant's cooling water system of an energy-conservation building, it is characterised in that: include that enclosed cools down Tower (1), Constant pressure tank (2), small pump (3), water supply tank (4), water softening facilities (5) and cooling water pump (6)； Described closed cooling tower (1) has two, connects with parallel way；Described closed cooling tower (1) Supply channel is connected to the cooling water watering equipment interface of multiple tenant by two cooling water pumps in parallel (6) (11)；It is cold that cooling water returns to enclosed through cooling water watering equipment interface (11) of tenant by water return pipeline But tower (1)；It is additionally provided with cooling water replenishment pipeline on the supply channel of described cooling water pump (6), described The entrance of cooling water replenishment pipeline connect municipal network water supply, municipal water supply is through water softening facilities (5), water supply tank (4) and two small pumps in parallel (3) are connected on the supply channel of cooling water pump (6), and described determines Pressure tank (2) and two small pumps in parallel (3) are in parallel.

2. tenant's cooling water system of energy-conservation building as claimed in claim 1, its feature It is: be also associated with on described CWR road cooling down water back water pump (7) and water resource heat pump (8), The cooling water side of described water resource heat pump (8) exports cooled water back water pump (7) and connects closed cooling tower (1)； The hot water side entrance of described water resource heat pump (8) is connected to hot water storage tank (10) through hot water circulating pump (9), Hot water side outlet is directly connected to hot water storage tank (10).

3. tenant's cooling water system of energy-conservation building as claimed in claim 1, its feature It is: described closed cooling tower (1) is additionally provided with cooling water replenishment pipeline.

4. tenant's cooling water system of energy-conservation building as claimed in claim 1, its feature It is: described supply channel and the top of water return pipeline are respectively arranged with the automatic exhaust steam valve of band air collector (13)。

5. tenant's cooling water system of energy-conservation building as claimed in claim 1, its feature It is: be provided with between cooling water watering equipment interface (11) of described supply channel and each tenant Dynamic balance motor-driven two-way valve (12).

6. tenant's cooling water system of energy-conservation building as claimed in claim 1, its feature It is: whole system also includes automatic control system, temperature sensor and electric control valve, for whole The operation of system controls.