CN220524729U - Improved chlorine liquefier of liquid supply system - Google Patents
Improved chlorine liquefier of liquid supply system Download PDFInfo
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- CN220524729U CN220524729U CN202322154640.5U CN202322154640U CN220524729U CN 220524729 U CN220524729 U CN 220524729U CN 202322154640 U CN202322154640 U CN 202322154640U CN 220524729 U CN220524729 U CN 220524729U
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- liquid level
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- liquid supply
- chlorine
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- 239000007788 liquid Substances 0.000 title claims abstract description 152
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 229910052801 chlorine Inorganic materials 0.000 title claims abstract description 56
- 239000000460 chlorine Substances 0.000 title claims abstract description 56
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 7
- 230000000694 effects Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 102100038026 DNA fragmentation factor subunit alpha Human genes 0.000 description 1
- 101710182628 DNA fragmentation factor subunit alpha Proteins 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
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Abstract
An improved chlorine liquefier of a liquid supply system comprises a working medium gas bag and a working medium evaporator; the top of the working medium gas bag is provided with a working medium gas outlet connecting pipe, and interfaces at two ends of the bottom of the working medium gas bag are connected with interfaces at two sides of the top of the working medium evaporator through communicating pipes; the upper part and the lower part of the side of the working medium evaporator tube box are respectively provided with a chlorine inlet connecting tube and a liquid chlorine outlet connecting tube, the bottom of the working medium evaporator is provided with a working medium liquid supply connecting tube, the outlets at the two ends of the working medium liquid supply connecting tube are connected with the inner cavity of the shell of the working medium evaporator, and the middle inlet of the working medium liquid supply connecting tube is sequentially connected with a stop valve and an inlet valve; the device also comprises a liquid level sensor, a liquid level controller, an electromagnetic valve and an electric valve which are connected in series between the inlet valve and the stop valve; the sensing signal output end of the liquid level sensor is connected with the signal input end of the liquid level controller, and the signal output end of the liquid level controller is connected with the execution signal input end of the electric valve. The method can control the Freon liquid level more conveniently, accurately and sensitively, and ensure the stable, efficient and safe operation of the chlorine liquefier.
Description
Technical Field
The utility model relates to a chlorine liquefier in a chlorine liquefying unit, in particular to an improved chlorine liquefier of a liquid supply system.
Background
The chlorine liquefying unit mainly comprises a condensing liquid storing unit, a chlorine liquefier, a liquid chlorine liquid separator, an oil distiller and other equipment, and is widely applied to the industries of chemical industry, pharmacy and the like. According to actual needs, the chlorine liquefier and the oil distiller can be assembled into skid blocks, so that occupied space is saved, and the on-site installation of a user is facilitated. As the core equipment of the whole chlorine liquefying unit, the design of the chlorine liquefier plays an important role in the safe and stable operation of the whole unit.
The basic structure of the chlorine liquefier comprises a working medium gas bag arranged above and a working medium evaporator arranged below, wherein the working medium gas bag is connected with the working medium evaporator through a pair of communicating pipes. The working medium for heat exchange with chlorine generally adopts Freon, and a Freon liquid supply system is arranged at the bottom of the working medium evaporator and mainly comprises an inlet valve, a throttle valve, a stop valve, a working medium liquid supply connecting pipe, a mechanical liquid level device and the like. The working principle is as follows: raw material chlorine enters the tube side of the working medium evaporator through a chlorine inlet connecting tube, freon enters the shell side of the working medium evaporator through a working medium liquid supply connecting tube, freon liquid absorbs heat of the raw material chlorine in the tube side outside the tube side and evaporates into gas, the freon gas enters a working medium gas bag through a pair of communicating tubes, and after gas-liquid separation, the freon gas enters a working medium gas bag, leaves through a freon outlet connecting tube at the top of the working medium gas bag and is input into a compressor air suction port; and the chlorine in the tube side is condensed and liquefied by Freon, and flows out of the working medium evaporator through the liquid chlorine outlet connecting tube, so that the effect of liquefying the chlorine is achieved.
The mechanical liquid level device in the Freon liquid supply system is used as a key component for regulating the flow of the Freon and controlling the liquid level height of the Freon, and the selection and configuration of the mechanical liquid level device influence the accuracy and the sensitivity of the liquid level control in the chlorine liquefier, so that the stable operation and the liquefaction effect of the chlorine liquefier are concerned. At present, the mechanical liquid level device mostly adopts a floating ball pilot valve with a traditional structure to control the opening of a throttle valve so as to realize the regulation and control of the height of the freon liquid level, and the liquid level control process is approximately as follows: the opening of the throttle valve changes along with the change of the liquid level height of Freon in the chlorine liquefier, the liquid level in the floating ball pilot valve is reduced, the opening of the throttle valve is increased, and the liquid supply amount is increased; otherwise, the liquid level in the floating ball pilot valve is increased, the opening of the throttle valve is reduced, and the liquid supply amount is reduced; along with the continuous change of the liquid level height, the throttle valve in the liquid supply system continuously adjusts the opening degree, so that the Freon liquid level height in the chlorine liquefier is kept within the liquid level range required by design, thereby maintaining the safe operation of the chlorine liquefier and meeting the output of the final requirement of customers.
The mechanical liquid level device control can meet the actual use requirements of most users, but for some users with higher standard requirements, there is still a gap in the sensitivity and accuracy of controlling the freon liquid level, and a certain rising space is still provided in the aspects of improving the running stability of the chlorine liquefier and the like.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide an improved chlorine liquefier of a liquid supply system, which can control the Freon liquid level more conveniently, accurately and sensitively and ensure the safe and efficient operation of the chlorine liquefier. Simultaneously, it can cooperate with the bypass line, makes the valve aperture of supplying liquid stable at reasonable within range to reach wider range of application, better result of use, and then make whole chlorine liquefaction unit operation safer and more stable.
In order to achieve the purpose, the improved chlorine liquefier of the liquid supply system comprises a working medium bag arranged above and a working medium evaporator arranged below; the top of the working medium air bag is provided with a working medium air outlet connecting pipe, and the interfaces at the two ends of the bottom of the working medium air bag are connected with the interfaces at the two sides of the top of the working medium evaporator through a pair of communicating pipes with supporting function; the upper part of the tube box side of the working medium evaporator is provided with a chlorine inlet connecting tube, the lower part of the tube box side of the working medium evaporator is provided with a liquid chlorine outlet connecting tube, the bottom of the working medium evaporator is provided with a working medium liquid supply connecting tube, the outlets at the two ends of the working medium liquid supply connecting tube are connected with the inner cavity of the shell of the working medium evaporator, and the middle inlet of the working medium liquid supply connecting tube is sequentially connected with a stop valve and an inlet valve; the special feature is that: the device also comprises a liquid level sensor inserted in the shell of the working medium evaporator, a liquid level controller arranged outside the working medium evaporator, and an electromagnetic valve and an electric valve which are connected in series between the inlet valve and the stop valve; the sensing signal output end of the liquid level sensor is connected with the signal input end of the liquid level controller, and the signal output end of the liquid level controller is connected with the execution signal input end of the electric valve.
In the running process, the liquid level sensor collects the liquid level signal of the freon and transmits the liquid level signal to the liquid level controller, and the liquid level controller controls the opening of the electric valve according to the set working liquid level and the alarm liquid level, so that the freon liquid level is kept in a set range, and the alarm is given when the liquid level reaches a set height. According to the actual use needs of users, the liquid level sensor can be matched with a conventional control program for use, so that the liquid level is controlled more accurately and sensitively, the liquid level can be displayed in real time, the liquid level can be regulated rapidly and accurately, and the chlorine liquefier can be operated more stably, efficiently and safely.
Further, the utility model also comprises a bypass valve which is arranged in parallel with the electromagnetic valve and the electric valve, one end of the bypass valve is connected with the input end of the electromagnetic valve through a first connecting pipe, and the other end of the bypass valve is connected with the output end of the electric valve through a second connecting pipe. The bypass valve is matched with the liquid level sensor, the liquid level controller, the electromagnetic valve and the electric valve in a cooperative mode, and the opening of the bypass liquid supply pipeline is adjusted, so that the opening of the main liquid supply pipeline is kept in a more reasonable range, the chlorine liquefier meets the liquid supply requirements under various working conditions, the chlorine liquefying process is ensured to be more stable, and the whole unit is safer to operate.
Still further, the utility model also comprises a magnetic flap liquid level meter which is arranged at one end close to the end socket side of the working medium evaporator. The magnetic flap level gauge can set a liquid level alarm function according to the needs, can form multiple guarantees with a liquid level sensor and a liquid level controller, realizes the adjustment and control of the Freon liquid level height and high-level alarm, ensures that the whole unit operates more safely and stably, and meets the specific demand output of customers.
The utility model has the advantages that: the liquid level sensor, the liquid level controller, the electromagnetic valve and the electric valve are matched, so that the freon liquid level in the chlorine liquefier can be controlled more accurately and sensitively, the opening of the liquid supply pipeline is always kept stable, the liquefaction effect of the chlorine liquefier is better, and the operation is safer and more stable. Meanwhile, the liquid level height can be displayed on the display screen of the liquid level controller in real time, liquid level height parameters can be set according to requirements, the limit of the liquid level height on the installation position is reduced, the configuration is flexibly selected according to the on-site installation space of a user, the equipment is more convenient and rapid to install and debug, and different requirements of various users are met.
Drawings
FIG. 1 is a schematic diagram of the front view of the improved chlorine liquefier of the liquid supply system of the present utility model.
Fig. 2 is a schematic view of a partial structure of the liquid supply piping arranged at the bottom of the working substance evaporator in fig. 1.
The reference numerals of the components in the drawings are as follows: the liquid level sensor 1, the liquid level controller 2, the electromagnetic valve 3, the electric valve 4, the bypass valve 5, the inlet valve 6, the stop valve 7, the working medium liquid supply connecting pipe 8, the liquid chlorine outlet connecting pipe 9, the magnetic flap liquid level meter 10, the first connecting pipe 11, the second connecting pipe 12, the chlorine inlet connecting pipe 13, the working medium evaporator 14, the working medium gas bag 15, the communicating pipe 16 and the working medium gas outlet connecting pipe 17.
Detailed Description
The utility model is described in further detail below with reference to the drawings and specific examples, which should not be construed as limiting the utility model.
As shown in fig. 1 to 2, this embodiment describes an improved chlorine liquefier for a liquid supply system, which has a working medium bag 15 provided at the upper side and a working medium evaporator 14 provided at the lower side. The top of the working medium air bag 15 is provided with a working medium air outlet connecting pipe 17, and the interfaces at the two ends of the bottom of the working medium air bag 15 are connected with the interfaces at the two sides of the top of the working medium evaporator 14 through a pair of communicating pipes 16 with supporting function. The upper part of the pipe box side of the working medium evaporator 14 is provided with a chlorine inlet connecting pipe 13, and the lower part of the pipe box side of the working medium evaporator 14 is provided with a liquid chlorine outlet connecting pipe 9.
The liquid supply system of the chlorine liquefier mainly comprises a liquid level sensor 1, a liquid level controller 2, an electromagnetic valve 3, an electric valve 4, an inlet valve 6, a stop valve 7 and a working medium liquid supply connecting pipe 8. The working medium liquid supply connecting pipe 8 is arranged outside the bottom of the working medium evaporator 14 in parallel, outlets at two ends of the working medium liquid supply connecting pipe 8 are connected with the inner cavity of the shell of the working medium evaporator 14, and an intermediate inlet of the working medium liquid supply connecting pipe 8 is sequentially connected with the stop valve 7, the electric valve 4, the electromagnetic valve 3 and the inlet valve 6 in series. The liquid level sensor 1 is inserted in the shell of the working medium evaporator 14 and is used for collecting freon liquid level signals. The liquid level controller 2 is arranged outside the working medium evaporator 14, and the signal input end of the liquid level controller 2 is connected with the sensing signal output end of the liquid level sensor 1 and is used for receiving the Freon liquid level signal; the signal output end of the liquid level controller 2 is connected with the execution signal input end of the electric valve 4 and is used for controlling the opening degree of the electric valve 4 according to the set working liquid level and the alarm liquid level, so that the liquid level is kept within the set range, and the alarm prompt is given when the liquid level reaches the alarm liquid level. The stop valve 7 is opened from time to time in operation, and maintenance and overhaul operations can be performed by closing the stop valve 7.
The main components of the liquid supply system can be commercially available mature products, for example, a liquid level sensor 1 selects a sensor with the model of AKS4100, a liquid level controller 2 selects a controller with the model of EKE347, a solenoid valve 3 adopts a servo main valve with the model of ICS+EVM, and an electric valve 4 has the model of ICM+ICAD. According to the actual use requirement, the liquid level sensor 1 can also be matched with various known control programs so as to expand the use functions.
The chlorine liquefier is also provided with a bypass liquid supply pipeline, the bypass liquid supply pipeline comprises a bypass valve 5 which is arranged in parallel with the electromagnetic valve 3 and the electric valve 4, one end of the bypass valve 5 is connected with the input end of the electromagnetic valve 3 through a first connecting pipe 11, and the other end of the bypass valve 5 is connected with the output end of the electric valve 4 through a second connecting pipe 12. The opening of the bypass valve 5 is regulated according to the requirement, so that the opening of the electric valve 4 in the main liquid supply pipeline can be kept in a more scientific and reasonable range.
In addition, the chlorine liquefier is also provided with a magnetic flap level meter 10, and the magnetic flap level meter 10 is arranged inside the working medium evaporator 14 and is close to one end of the end socket side. The magnetic flap level meter 10 can be provided with a liquid level alarm function according to the requirement, and can coordinate with the liquid level controller 2 to realize a double alarm function, so that the use effect is better and the operation is safer.
The utility model completes the adjustment process of chlorine liquefaction as follows: raw material chlorine enters the tube side of the working medium evaporator 14 through the chlorine inlet connecting tube 13, freon liquid sequentially enters the working medium liquid supply connecting tube 8 through the inlet valve 6, the electromagnetic valve 3, the electric valve 4 and the stop valve 7, and finally enters the shell side of the working medium evaporator 14 through the outlets at the two ends of the working medium liquid supply connecting tube 8. In the running process, the liquid level sensor 1 collects a freon liquid level signal and transmits the freon liquid level signal to the liquid level controller 2, and the liquid level controller 2 adjusts the opening of the electric valve 4 according to the set working liquid level to increase or decrease the freon flow, so that the freon liquid level height in the working medium evaporator 14 is controlled to reach the set standard. The opening of the bypass valve 5 can be adjusted as required, so that the opening of the electric valve 4 in the main liquid supply pipeline is always kept in a more reasonable range. The liquid level controller 2 presets the working liquid level height, and when the liquid level height reaches the alarm liquid level, the alarm prompt is started in time. Meanwhile, the magnetic flap level meter 10 can also be provided with a reference liquid level alarm function according to the requirement, and the magnetic flap level meter is matched with the liquid level controller 2 in a cooperative manner, so that the chlorine liquefier can run more safely and stably. Under the reasonable regulation and control of the liquid supply system, the Freon liquid absorbs the heat of the raw material chlorine in the tube side in the shell side of the working medium evaporator 14 to evaporate into gas, and the Freon gas enters the working medium air bag 15 through the pair of communicating tubes 16, is separated from the gas and liquid, finally leaves through the working medium air outlet connecting tube 17 at the top of the working medium air bag 15, and enters the air suction port of the compressor. The raw material chlorine in the tube side of the working medium evaporator 14 is condensed and liquefied by Freon, and flows out of the working medium evaporator 14 through the liquid chlorine outlet connecting tube 9, finally enters the liquid chlorine liquid separator of the chlorine liquefying unit, and achieves the effect of chlorine liquefying.
Therefore, by means of the technical scheme, the freon liquid level control can be ensured to be more accurate and sensitive, the liquid level can be regulated rapidly and accurately in real time, the equipment is convenient to install and rapid to debug on site, the actual requirements of users can be met flexibly, and the chlorine liquefier is ensured to operate more stably, efficiently and safely.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (3)
1. An improved chlorine liquefier of a liquid supply system comprises a working medium air bag (15) arranged above and a working medium evaporator (14) arranged below; the top of the working medium air bag (15) is provided with a working medium air outlet connecting pipe (17), and the interfaces at the two ends of the bottom of the working medium air bag (15) are connected with the interfaces at the two sides of the top of the working medium evaporator (14) through a pair of communicating pipes (16) with supporting function; the upper part of the pipe box side of the working medium evaporator (14) is provided with a chlorine inlet connecting pipe (13), the lower part of the pipe box side of the working medium evaporator (14) is provided with a liquid chlorine outlet connecting pipe (9), the bottom of the working medium evaporator (14) is provided with a working medium liquid supply connecting pipe (8), the outlets at the two ends of the working medium liquid supply connecting pipe (8) are connected with the inner cavity of the shell of the working medium evaporator (14), and the middle inlet of the working medium liquid supply connecting pipe (8) is sequentially connected with a stop valve (7) and an inlet valve (6); the method is characterized in that: the device also comprises a liquid level sensor (1) inserted into the shell of the working medium evaporator (14), a liquid level controller (2) arranged outside the working medium evaporator (14), and an electromagnetic valve (3) and an electric valve (4) which are connected in series between the inlet valve (6) and the stop valve (7); the sensing signal output end of the liquid level sensor (1) is connected with the signal input end of the liquid level controller (2), and the signal output end of the liquid level controller (2) is connected with the execution signal input end of the electric valve (4).
2. The liquid supply system improved chlorine liquefier of claim 1, wherein: the bypass valve (5) is arranged in parallel with the electromagnetic valve (3) and the electric valve (4), one end of the bypass valve (5) is connected with the input end of the electromagnetic valve (3) through a first connecting pipe (11), and the other end of the bypass valve (5) is connected with the output end of the electric valve (4) through a second connecting pipe (12).
3. The liquid supply system improved chlorine liquefier of claim 1 or 2, wherein: the device also comprises a magnetic flap level meter (10), wherein the magnetic flap level meter (10) is arranged at one end close to the end socket side of the working medium evaporator (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322154640.5U CN220524729U (en) | 2023-08-10 | 2023-08-10 | Improved chlorine liquefier of liquid supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322154640.5U CN220524729U (en) | 2023-08-10 | 2023-08-10 | Improved chlorine liquefier of liquid supply system |
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| Publication Number | Publication Date |
|---|---|
| CN220524729U true CN220524729U (en) | 2024-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322154640.5U Active CN220524729U (en) | 2023-08-10 | 2023-08-10 | Improved chlorine liquefier of liquid supply system |
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| Country | Link |
|---|---|
| CN (1) | CN220524729U (en) |
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- 2023-08-10 CN CN202322154640.5U patent/CN220524729U/en active Active
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