CN218435267U

CN218435267U - Cooling circulating water replenishing system with soft and hard water switching function

Info

Publication number: CN218435267U
Application number: CN202221690369.6U
Authority: CN
Inventors: 刘晓磊; 侯志斌; 赵全忠; 郭亮; 孙旭; 王宇冉
Original assignee: Zhangjiakou Cigarette Factory Co Ltd
Current assignee: Zhangjiakou Cigarette Factory Co Ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2023-02-03
Anticipated expiration: 2032-06-30

Abstract

The utility model discloses a refrigeration cycle water replenishing system with soft and hard water switching function, which relates to the field of refrigeration cycle water systems and comprises a soft water tank, wherein the soft water tank is connected with a plurality of soft water pumps, the soft water tank is respectively connected with a brine tank and an air compression/refrigeration cooling cycle water pool through the soft water pumps, the air compression/refrigeration cooling cycle water pool is connected with a vacuum cooling cycle water tank, a water inlet pipeline of the brine tank is communicated with a softened water pipeline, and the softened water pipeline is communicated with a water inlet pipeline of the vacuum cooling cycle water tank; and valves are arranged on the water inlet pipeline of the brine tank and the water inlet pipeline of the vacuum cooling circulating water tank. The application has the advantages of convenient construction, short construction period, low implementation cost, zero later maintenance cost and capability of realizing soft and hard water switching through system water replenishing.

Description

Cooling circulating water replenishing system with soft and hard water switching function

Technical Field

The application relates to the field of cooling circulating water systems, in particular to a cooling circulating water replenishing system with a soft and hard water switching function.

Background

When the vacuum cooling circulating water system is designed and installed, an outdoor circulating water pool (air pressure/refrigeration cooling circulating water) is used as supplementing water by a design party, and as the air pressure/refrigeration cooling circulating water is continuously evaporated in the using process, the concentration of bicarbonate in water is continuously increased along with evaporation concentration, and when the water temperature is increased by passing through the heat transfer surface of the heat exchanger, scaling (Ca (HCO 3) 2- → CaCO3 ↓ + CO2 ↓ + H2O) can occur.

Because the water quality of the outdoor circulating water tank is scaling water quality, the water quality which is easy to scale is used as the make-up water of the vacuum cooling circulating water system, the scaling speed of the vacuum equipment pipeline is increased, a large amount of scale can be attached to the wall of the water outlet pipe of the vacuum pump under severe conditions, the water yield of the vacuum system is reduced sharply, the water flow speed is reduced, and the vacuum degree is influenced.

Disclosure of Invention

In order to solve vacuum cooling water pipeline scale deposit problem from the source, the utility model provides a refrigeration cycle water charging system with soft or hard water switches function, it increases a new moisturizing pipeline for vacuum cooling water system, and new moisturizing pipeline uses demineralized water as the make-up water, and old moisturizing pipeline still remains, and two moisturizing pipelines realize soft, hard water moisturizing pipeline valve along with the system water quality condition and switch.

The technical scheme adopted for solving the technical problem is as follows:

a cooling circulating water replenishing system with soft and hard water switching function comprises a soft water tank, wherein the soft water tank is connected with a plurality of soft water pumps, the soft water tank is respectively connected with a brine tank and an air compression/refrigeration cooling circulating water tank through the soft water pumps, and the air compression/refrigeration cooling circulating water tank is connected with a vacuum cooling circulating water tank;

a softened water pipeline is communicated with the water inlet pipeline of the brine tank, and the softened water pipeline is communicated with the water inlet pipeline of the vacuum cooling circulating water tank;

and valves are arranged on the water inlet pipeline of the brine tank and the water inlet pipeline of the vacuum cooling circulating water tank.

As the improvement of the technical scheme, the soft water tank is connected to the spice room of the shred making workshop through the soft water pump, and the cutter is arranged between the spice room of the shred making workshop and the brine tank and used for controlling the on-off of water flow.

As the improvement of above-mentioned technical scheme, the softened water tank is connected with 4 soft water pumps, and wherein 2 soft water pumps are connected with the brine tank, and 2 soft water pumps are connected with air compression/refrigeration cooling circulation pond to provide sufficient water pressure.

As an improvement of the technical scheme, the water inlet pipeline of the brine tank and the water inlet pipeline of the vacuum cooling circulating water tank are respectively provided with a tee joint, and the softened water pipeline is communicated between the two tee joints through flanges.

The beneficial effect that this application brought has:

1. the construction is convenient, the construction period is short, the implementation cost is low, and the later maintenance cost is zero;

2. soft and hard water switching can be realized by water replenishing of the system;

3. the acid pickling pre-film covering equipment has wide range and protects an air compression system, a vacuum system, a refrigerating system and a cold dryer.

Drawings

In order to more clearly illustrate the embodiments of the present patent 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.

Fig. 1 is a schematic structural view of a cooling circulation system according to the present invention.

Detailed Description

The technical solutions in the embodiments of the present patent will be clearly and completely described below with reference to the drawings in the embodiments of the present patent, and it is obvious that the described embodiments are only a part of the embodiments of the present patent, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments in this patent without making creative efforts, shall fall within the protection scope of this patent.

In the description of this patent, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is solely for the purpose of facilitating the description and simplifying the description, and which does not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the patent.

In this patent, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, a fixed connection or a removable connection; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1, a cooling circulating water replenishing system with soft and hard water switching function comprises a set of scheme for preventing scaling of a vacuum cooling water pipe, wherein the scheme comprises a soft water tank, the soft water tank is connected with 4 soft water pumps which are respectively 1#, 2#, 3# and 4# soft water pumps, the 1# and 2# soft water pumps are connected with a brine tank, and the 3# and 4# soft water pumps are connected with an air compression/refrigeration cooling circulating water pool to provide sufficient water pressure; the air compression/refrigeration cooling circulating water pool is connected with a vacuum cooling circulating water tank.

The water inlet pipeline of the brine tank is communicated with a softened water pipeline, the softened water pipeline is communicated to the water inlet pipeline of the vacuum cooling circulating water tank, and a 1# soft water pump and a 2# soft water pump are used as water replenishing pumps, so that water replenishing of soft water and hard water switching of the system is realized.

Valves are arranged on the water inlet pipeline of the brine tank and the water inlet pipeline of the vacuum cooling circulating water tank and used for controlling the on-off of water flow to realize the switching of soft and hard water.

Wherein, the first and the second end of the pipe are connected with each other,

the softened water tank is connected to the aromatic material room of the shred making workshop through the 1# and the 2# softened water pump, and a cutter is arranged between the aromatic material room of the shred making workshop and the brine tank and used for controlling the on-off of water flow.

And a water outlet pipeline of the air compression/refrigeration cooling circulating water tank is communicated to an air compression circulating water inlet.

The water inlet pipeline of the brine tank and the water inlet pipeline of the vacuum cooling circulating water tank are both provided with a tee joint, and the softened water pipeline is communicated between the two tee joints through flanges.

The cooling circulating water replenishing system with the soft and hard water switching function further comprises a set of cooling circulating water pickling scheme, namely, the cooling water system is subjected to online pickling and pre-filming. Under the condition that equipment is not stopped, a vacuum system, an air compression system and a refrigeration system are cleaned simultaneously under the action of chemical agents to remove hard scale and corrosion products on the pipe wall, and the method comprises the following specific steps:

the first step is sterilization and algae removal and slime stripping. Adding a cleaning agent to control the pH value of the cooling water to be 6-7; adding sterilizing algicide, concentrating for 24-48 hours, and replacing water quality when the turbidity of the circulating water rises stably; adding 400kg of slime stripping agent, concentrating for 24-48 hours, and replacing water quality.

The second step is cleaning to remove corrosion products and scale. Adding a cleaning agent into the system for three times, adding 2 tons for the first time, adding 1 ton for the second time, adding 1 ton finally, monitoring the pH value every other hour, controlling the pH value between 2 and 4, monitoring the Ca ion content of the circulating water every other hour, drawing a curve graph of the Ca ion content and the time, and finishing the cleaning when the curve steadily rises; displacing water quality to make iron content less than 1mg/L, calcium ion concentration less than 100mg/L and turbidity less than 10mg/L.

And the third step is to pre-film the cooling circulating water system. After cleaning, pre-filming is carried out as soon as possible without stopping, and a pH value regulator is used for regulating the pH value of cooling water to 6-6.5; adding 2 tons of prefilming agent, concentrating and operating for 48-72 hours; and (5) finishing pre-filming to replace water quality until the total phosphate concentration is less than 20mg/L, and switching to daily operation.

The application example is as follows:

the cooling circulation water charging system with soft and hard water switching function of this application has practiced thrift power consumption. Specifically, after the scale is removed, the effect efficiency of the vacuum water pump is improved, and the number of the vacuum water pumps can be reduced. A vacuum pump 75KW, annual power consumption saving: 75kw 16 hours 22 days 12 months 0.5 yuan/KW =158400 yuan.

Although embodiments of this patent have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting this patent, and that variations, modifications, substitutions and alterations in the above embodiments may be made by those of ordinary skill in the art without departing from the principles and spirit of this patent within the scope of the patent. The scope of the patent is defined by the appended claims and equivalents thereof.

The above description is only for the specific embodiments of the present patent, but the protection scope of the present patent is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present patent disclosure, and shall be covered by the protection scope of the present patent. Therefore, the protection scope of this patent shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a refrigeration cycle water charging system with soft or hard water switches function, includes the softened water tank, the softened water tank is connected with a plurality of soft water pumps, and it is connected with brine tank and air compression refrigeration cooling circulation pond respectively through the soft water pump, air compression refrigeration cooling circulation pond is connected with vacuum cooling circulation water tank, its characterized in that:

a water inlet pipeline of the brine tank is communicated with a softened water pipeline which is communicated with a water inlet pipeline of the vacuum cooling circulating water tank;

2. The chilled circulating water replenishing system with soft and hard water switching function according to claim 1, characterized in that: the softened water tank is connected to the aromatic material room of the silk making workshop through the softened water pump, be equipped with the interceptor between aromatic material room of silk making workshop and the brine tank for the break-make of control rivers.

3. The chilled circulating water replenishing system with soft and hard water switching function according to claim 1, wherein: the soft water tank is connected with 4 soft water pumps, and wherein 2 soft water pumps are connected with the brine tank, and 2 soft water pumps are connected with air compression/refrigeration cooling circulation pond to provide sufficient water pressure.

4. The chilled circulating water replenishing system with soft and hard water switching function according to claim 1, characterized in that: the water inlet pipeline of the brine tank and the water inlet pipeline of the vacuum cooling circulating water tank are both provided with a tee joint, and the softened water pipeline is communicated between the two tee joints through flanges.