CN212916916U

CN212916916U - Alkali tank vapor-liquid discharging and air suction device of CIP system

Info

Publication number: CN212916916U
Application number: CN202021725940.4U
Authority: CN
Inventors: 卢卫东; 刘祖国; 郭海峰
Original assignee: Anjiyi Industrial Shanghai Co ltd
Current assignee: Anjiyi Industrial Shanghai Co ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-04-09
Anticipated expiration: 2030-08-18

Abstract

The utility model discloses a CIP system alkali tank vapor-liquid discharging and air suction device, which comprises a CIP station cleaning liquid alkali liquid preparation tank, a centrifugal pump and the like; a liquid inlet end of the cleaning agent solution is connected into the tank from the top of the cleaning agent alkali liquor preparation tank of the CIP station through a liquid inlet pipeline; the bottom of a cleaning solution alkali liquor preparation tank of the CIP station is connected with a cleaning solution tank bottom valve, the cleaning solution tank bottom valve is connected with a centrifugal pump, and two paths of cleaning solution are respectively connected to a cleaning solution outlet end and a liquid inlet pipeline; a tube type heat exchanger is arranged on the circulating heating pipeline; the top of the cleaning solution alkali liquor preparation tank of the CIP station is connected with a breathing exhaust pipeline, the lower end of the breathing exhaust pipeline extends into a pipe-in-pipe cooling heat exchanger, and the lower end of the pipe-in-pipe cooling heat exchanger is connected with a zero-pressure discharge pipeline; the zero pressure discharge pipeline is provided with a U-shaped trap. The utility model relates to an exhaust receiving arrangement can effectual collection cleaner solution because of heating spun steam and a small amount of solution, the cleaner steam in the very big reduction air to avoid causing the damage to wallboard, equipment, personnel.

Description

Alkali tank vapor-liquid discharging and air suction device of CIP system

Technical Field

The utility model relates to a CIP system especially relates to a CIP system alkali jar vapour-liquid discharges and getter device.

Background

At present, satisfy the self-cleaning of food and pharmaceutical industry equipment, can be equipped with CIP basically and wash the workstation and satisfy the washing cleanness to production facility, CIP washs the workstation and when carrying out CIP to food and pharmaceutical equipment and wasing, general first step can be selected to adopt purified water to carry out preliminary washing to target equipment, get rid of the impurity on the adherent wall that clears away more easily, the second step can be selected to prepare cleaner solution (sodium hydroxide lye uses than many) and wash the more firm impurity of adhesion, but mostly will heat it to certain temperature before wasing, so that can reach better cleaning performance. The heating mode of the cleaning agent is generally a circulating heating mode of a tube heat exchanger, and most of heat sources adopt industrial steam. In the process of recycling heating, in order to clean the self system firstly, the heated cleaning agent solution flows back to the tank and sprays hot solution in the form of spraying balls, and in the whole recycling heating process, the CIP cleaning of the self can be basically met.

In the cleaner solution circulation heating in-process, when the solution through the heating of shell and tube heat exchanger sprays the jar once more, have a certain amount of steam and solution to take out to the exhaust vent of breathing and discharge, if receive these steam and solution with simple horn mouth, can cause steam to distribute in the room, and this steam mostly has certain corrosivity and toxicity, can cause the corruption of room wall and equipment different degree, can bring the injury for operating personnel health even, this just need look for an interface mode, can collect the steam and the solution of these emissions, and can completely cut off or very big reduction steam's the volume of giving off, simultaneously can the air of breathing in the cleaner solution by the use, satisfy jar internal pressure balance. Therefore, it is an urgent need to solve the problem of developing a CIP system soda tank vapor-liquid discharging and air suction device.

SUMMERY OF THE UTILITY MODEL

The utility model provides a CIP system alkali tank vapour-liquid discharges and getter device in order to solve above-mentioned not enough.

The above object of the present invention is achieved by the following technical solutions: a vapor-liquid discharging and air-breathing device for an alkali tank of a CIP system comprises a cleaning agent solution inlet end, a cleaning agent alkali liquid preparation tank of a CIP station, a centrifugal pump, a cleaning agent solution outlet end, a tubular heat exchanger, a breathing exhaust pipeline, a tube-in-tube cooling heat exchanger and a zero-pressure discharging pipeline;

the liquid inlet end of the cleaning agent solution is connected into the tank from the top of the cleaning agent alkali liquor preparation tank of the CIP station through a liquid inlet pipeline and is connected with a spraying ball; the liquid inlet pipeline is provided with a cleaning agent return valve;

the cleaning agent solution tank bottom valve is connected to the bottom of the cleaning agent solution preparation tank of the CIP station, the cleaning agent solution tank bottom valve is connected to the centrifugal pump, the centrifugal pump is divided into two paths, one path is connected to a cleaning agent solution outlet end through a cleaning agent cleaning target equipment liquid supply valve, the other path is connected to a cleaning agent solution return valve, and the cleaning agent solution return valve is connected to a liquid inlet pipeline through a circulating heating pipeline;

a shell and tube heat exchanger is arranged on the circulating heating pipeline, the side wall of the shell and tube heat exchanger is connected with an industrial steam inlet valve, and the bottom of the shell and tube heat exchanger is connected with a condensed water drainage valve;

the top of the cleaning liquid alkali liquor preparation tank of the CIP station is connected with a breathing exhaust pipeline, the lower end of the breathing exhaust pipeline extends into a pipe-in-pipe cooling heat exchanger, the upper end of the pipe-in-pipe cooling heat exchanger is provided with a semi-open horn mouth, the side wall of the pipe-in-pipe cooling heat exchanger is connected with a chilled water return valve and a chilled water inlet valve, and the lower end of the pipe-in-pipe cooling heat exchanger is connected with a zero-pressure discharge;

the zero-pressure discharge pipeline is in a horizontal state and is provided with a U-shaped trap.

The utility model discloses a theory of operation: during operation, open cleaner solution tank bottom valve, open cleaner solution reflux valve, solution can flow into the centrifugal pump this moment, takes the liquid level to reach balanced back, starts the centrifugal pump for cleaner solution flows through shell and tube heat exchanger and sprays in the jar through spraying the ball, forms a self-loopa.

And when the circulation is stably carried out, simultaneously opening an industrial steam inlet valve and a condensed water discharge valve, and heating the circulating cleaning agent solution by utilizing heat exchange of the heat exchanger.

At this moment, because cleaner solution temperature rises, spray the ball in addition and spray the jar, can form a certain amount of cleaner solution steam in the jar, wrap up and hold this a small amount of cleaner solution and follow the exhaust pipe of breathing and say and discharge, this vapour-liquid mixture gets into semi-open horn mouth, because of the impact force that the exhaust formed, can form a small amount of negative pressure in semi-open horn mouth, can inhale the air in the semi-open horn mouth wide-mouth to the leakage of cleaner steam has also been stopped.

And at the beginning and the end of the heating of the cleaning agent solution, because the generated steam quantity is trace, effective impact force can not be formed, at the moment, the system can automatically open a chilled water inlet valve and a chilled water return valve of the pipe-in-pipe cooling heat exchanger, cool and condense the cleaning agent solution steam and collect the cleaning agent solution steam into a zero-pressure discharge pipe, and the cleaning agent solution steam overflows after the U-shaped trap liquid level reaches.

When the cleaning agent solution is heated and the target equipment is cleaned, a bottom valve of the cleaning agent solution tank is opened, a liquid supply valve of the cleaning agent cleaning target equipment is opened, a liquid return valve of the cleaning agent is opened, the equipment such as a valve or a pump of the target cleaning equipment is automatically controlled, and then the centrifugal pump is opened to supply the high-temperature cleaning agent solution to the target cleaning equipment. Along with cleaner solution's cyclic utilization, solution temperature can reduce, and cleaner solution also has a small amount of losses moreover, and tank pressure reduces this moment, and there is the water seal sealed because of zero pressure discharge pipeline this moment, breathes the exhaust pipeline and can follow semi-open horn mouth intake air and maintain cleaner tank pressure balance in.

Compared with the prior art, the utility model the advantage be:

1. the utility model discloses in cleaner solution circulation heating in-process, when the solution through shell and tube heat exchanger heating sprayed the jar once more, have a certain amount of steam and solution to take out to the exhaust vent of breathing and discharge, and there is a certain amount of impact power, this money alkali jar vapour-liquid discharges and getter device utilizes it to discharge power, utilize the Bernoulli principle, design exhaust receiving arrangement can effectual collection cleaner solution because of heating spun steam and a small amount of solution, cleaner steam in the very big reduction air, thereby avoid causing the damage to wallboard, equipment, personnel.

2. The discharge pipeline of the device is utilized to discharge the steam and the solution to the outdoor for unified collection and treatment, thereby avoiding the pollution to the environment.

3. When the hot solution in the cleaning agent tank is reduced due to use, the air inlet condition can be met, and the vacuum can not be formed in the tank. And simultaneously prevents the pollution gas of the waste liquid and waste gas discharge port from being sucked into the tank.

In addition, the method also has the following advantages:

1. the effect is obvious: the CIP station system of original design does not install alkali tank vapour and liquid and discharges and the getter device, and through the time of six months or so, room wall of CIP station system has all taken place the corruption and has discolourd, and in the heating process is prepared to cleaner solution, the operation room taste is very big moreover, and operating personnel often does not want to wait in the operation room. And the instrumentation in the room may have signs of corrosion. And install the utility model discloses a CIP station system alkali jar vapour-liquid discharges and getter device's equipment has stopped cleaning agent solution steam and has diffused the external influence that causes in back.

2. The cost is low: the components adopted by the soda tank vapor-liquid discharging and air suction device of the CIP station system are all common material components in fluid equipment, the CIP station system is simple to manufacture, the cost of the equipment is slightly increased, the effect is obvious, and the feedback is good.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the working state of the cleaning agent solution circulation heating of the present invention.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

Fig. 4 is a schematic view of the working state of the cleaning target apparatus of the present invention.

Fig. 5 is a partially enlarged view at B in fig. 4.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1, the vapor-liquid discharging and air-breathing device for the alkali tank of the CIP system comprises a cleaning agent solution inlet end 1, a cleaning agent solution preparation tank 2 of a CIP station, a centrifugal pump 3, a cleaning agent solution outlet end 4, a tubular heat exchanger 5, a breathing and exhaust pipeline 6, a tube-in-tube cooling heat exchanger 7 and a zero-pressure discharge pipeline 8;

the cleaning agent solution inlet end 1 is connected into the cleaning agent solution preparation tank 2 from the top of the CIP station cleaning solution alkali solution preparation tank through a liquid inlet pipeline 9 and is connected with a spraying ball 10; a cleaning agent return valve 11 is arranged on the liquid inlet pipeline 9;

the cleaning agent solution preparation tank 2 of the CIP station is connected with a cleaning agent solution tank bottom valve 12 at the bottom, the cleaning agent solution tank bottom valve 12 is connected with a centrifugal pump 3, the centrifugal pump 3 is divided into two paths, one path is connected to a cleaning agent solution outlet end 4 through a cleaning agent cleaning target equipment liquid supply valve 13, the other path is connected with a cleaning agent solution return valve 14, and the cleaning agent solution return valve 14 is connected to a liquid inlet pipeline 9 through a circulating heating pipeline 15;

the circulating heating pipeline 15 is provided with a tubular heat exchanger 5, the side wall of the tubular heat exchanger 5 is connected with an industrial steam valve 16, and the bottom of the tubular heat exchanger is connected with a condensed water draining valve 17;

the top of the cleaning liquid alkali liquor preparation tank 2 of the CIP station is connected with a breathing exhaust pipeline 6, the lower end of the breathing exhaust pipeline 6 extends into a pipe-in-pipe cooling heat exchanger 7, a semi-open bell mouth 18 is arranged at the upper end of the pipe-in-pipe cooling heat exchanger 7, the side wall of the pipe-in-pipe cooling heat exchanger 7 is connected with a chilled water return valve 19 and a chilled water inlet valve 20, and the lower end of the pipe-in-pipe cooling heat exchanger 7 is connected with a zero-pressure discharge pipeline 8;

the zero pressure discharge line 8 is horizontal and is provided with a U-shaped trap 21.

The utility model discloses a theory of operation:

as shown in fig. 2 and 3, during operation, the bottom valve 12 of the cleaning agent solution tank is opened, the reflux valve 14 of the cleaning agent solution is opened, at this time, the solution flows into the centrifugal pump 3, and after the solution level reaches the balance, the centrifugal pump 3 is started, so that the cleaning agent solution flows through the tubular heat exchanger 5 and is sprayed into the tank through the spraying balls 10, and a self-circulation is formed.

When the circulation is stably carried out, the industrial steam inlet valve 16 and the condensed water discharge valve 17 are simultaneously opened, and the heat exchanger is used for heat exchange to heat the circulating cleaning agent solution.

At this moment, because the temperature of the cleaning agent solution rises, and the cleaning agent solution is sprayed into the tank through the spraying ball 10, a certain amount of cleaning agent solution steam can be formed in the tank, the small amount of cleaning agent solution wrapped around is discharged from the breathing and exhausting pipeline 6, and the gas-liquid mixture enters the semi-open bell mouth 18, so that a small amount of negative pressure can be formed in the semi-open bell mouth 18 due to the impact force formed by exhausting, the air in the wide mouth of the semi-open bell mouth 18 can be sucked, and the leakage of the cleaning agent steam is also avoided.

At the beginning and ending of the heating of the cleaning agent solution, because the generated steam is in a small amount, effective impact force cannot be formed, at the moment, the system can automatically open a chilled water inlet valve 20 and a chilled water return valve 19 of the pipe-in-pipe cooling heat exchanger 7, cool, condense and collect the cleaning agent solution steam into a zero-pressure discharge pipe, and overflow and flow out after the liquid level of the U-shaped trap 21 reaches.

As shown in fig. 4 and 5, when the cleaning agent solution is heated and the target device starts to be cleaned, the bottom valve 12 of the cleaning agent solution tank is opened, the liquid supply valve 13 of the cleaning agent cleaning target device is opened, the liquid return valve 11 of the cleaning agent is opened, the devices such as a valve or a pump of the target cleaning device are automatically controlled, and then the centrifugal pump 3 is opened to start to supply the high-temperature cleaning agent solution to the target cleaning device. Along with the cyclic utilization of cleaner solution, the solution temperature can reduce, and cleaner solution also has a small amount of losses moreover, and tank pressure reduces this moment, and because of zero pressure discharge pipeline has the water seal sealed this moment, breathe exhaust pipe 6 and can maintain cleaner tank pressure balance from semi-open horn mouth 18 suction air.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a CIP system alkali jar vapour-liquid is discharged and getter device which characterized in that: the cleaning agent solution preparation device comprises a cleaning agent solution inlet end, a cleaning agent alkali liquor preparation tank of the CIP station, a centrifugal pump, a cleaning agent solution outlet end, a tube type heat exchanger, a breathing exhaust pipeline, a tube-in-tube cooling heat exchanger and a zero-pressure discharge pipeline;