CN217541120U - Lithium bromide refrigerating system vibration reduction equipment - Google Patents
Lithium bromide refrigerating system vibration reduction equipment Download PDFInfo
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- CN217541120U CN217541120U CN202221587827.3U CN202221587827U CN217541120U CN 217541120 U CN217541120 U CN 217541120U CN 202221587827 U CN202221587827 U CN 202221587827U CN 217541120 U CN217541120 U CN 217541120U
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- lithium bromide
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Abstract
The utility model discloses a lithium bromide refrigerating system vibration reduction equipment belongs to ethylene oxide chemical production technical field, including freezing water pitcher, lithium bromide ice maker B and lithium bromide ice maker A, its characterized in that, the ethylene oxide cooler, ethylene oxide refining tower top deep cooler and poor absorption liquid deep cooler are connected and the pipeline exit is equipped with current-limiting orifice plate B through pipeline and the inside left side of refrigerated water pitcher after gathering respective outlet pipe way, and the respective outlet pipe way of ethylene oxide concentration tower top deep cooler and ethylene oxide concentration tower top of the tower unloading deep cooler gathers the back and is connected and the pipeline exit is equipped with current-limiting orifice plate an through pipeline and the inside right side of refrigerated water pitcher. The problem of the refrigerated water flow of lithium bromide refrigeration ice maker export return line big, cause export return line vibrations big, influence the pipeline position of whole platform, cause the device scene to have the potential safety hazard is solved, this technique is mainly applied to ethylene oxide device refrigeration technology.
Description
Technical Field
The utility model belongs to the technical field of ethylene oxide device production, particularly, relate to a lithium bromide refrigerating system shake reduction equipment.
Background
The ethylene oxide product is inflammable and explosive, the boiling point is 10.7 ℃, the freezing points of ethylene oxide aqueous solutions with different concentrations are below 10 ℃, so the storage temperature of the ethylene oxide aqueous solution of the device is 20 ℃; therefore, when the ethylene oxide product is conveyed, the temperature needs to reach below 20 ℃, and the ethylene oxide product is sent out to an ethylene oxide spherical tank. Therefore, the chilled water system of the ethylene oxide device is particularly important, and can cool the ethylene oxide water solution to a safe state and simultaneously make the delivered ethylene oxide product reach the condition below 20 ℃. However, in the refrigeration process of the existing lithium bromide ice refrigeration machine, the flow of chilled water is large, severe pipeline vibration is generated due to fluid pressure pulsation of an outlet pipeline of the lithium bromide ice refrigeration machine and the effect of a pipe wall structure, the position of a pipeline of the whole platform is influenced, the safe operation of pipeline equipment is influenced, certain potential safety hazards exist in the site of the device, and a cooler connected with a chilled water tank and an outlet pipeline of a deep cooler are not gathered into one pipeline and then connected with the chilled water tank but are respectively connected with the chilled water tank, so that the number of vibrated pipelines is increased, and the safe operation of the pipelines is further influenced.
To this phenomenon, the utility model provides a lithium bromide refrigerating system shakes equipment falls reduces ice maker outlet pipe and leads to shaking big problem because of the flow is great.
Disclosure of Invention
In order to solve the technical problem, the design provides a lithium bromide refrigeration system shock-reducing device, which adopts the following technical scheme:
a shock absorption device of a lithium bromide refrigeration system comprises a freezing water tank, a lithium bromide refrigeration ice machine B and a lithium bromide refrigeration ice machine A, wherein the inside of the freezing water tank is divided into two sides, the temperature of freezing water processed on the left side is 15 ℃, the temperature of freezing water processed on the right side is 10 ℃, a freezing water circulating pump B is arranged between the freezing water tank and the lithium bromide refrigeration ice machine B, the left side of the inside of the freezing water tank, the lithium bromide refrigeration ice machine B and the freezing water circulating pump B are connected through a pipeline, the freezing water on the left side of the inside of the freezing water tank is pumped into the lithium bromide refrigeration ice machine B through a pipeline under the action of the freezing water circulating pump B, an ethylene oxide cooler, an ethylene oxide refining tower top deep cooler and a lean absorption liquid deep cooler are sequentially arranged on the right side of the lithium bromide refrigeration ice machine B from top to bottom, the ethylene oxide cooler, the ethylene oxide refining tower top deep cooler and the lean absorption liquid deep cooler are respectively connected with the lithium bromide refrigeration ice machine B through pipelines, the chilled water in the right side of the interior of the chilled water tank is pumped into the lithium bromide refrigeration ice maker A through a pipeline under the action of the chilled water circulating pump A, the chilled water in the right side of the interior of the chilled water tank is connected through a pipeline, and is pumped into the lithium bromide refrigeration ice maker A through a pipeline The system comprises a lithium bromide ice maker A, wherein an ethylene oxide concentration tower top deep cooler and an ethylene oxide concentration tower top emptying deep cooler are sequentially arranged on the left side of the lithium bromide ice maker A from top to bottom, the ethylene oxide concentration tower top deep cooler and the ethylene oxide concentration tower top emptying deep cooler are respectively connected with the lithium bromide ice maker A through pipelines, chilled water in the lithium bromide ice maker A enters the ethylene oxide concentration tower top deep cooler through a pipeline, ethylene oxide in the ethylene oxide concentration tower is cooled through the ethylene oxide concentration tower top deep cooler, part of uncondensed steam driving the lithium bromide ice maker A to operate in the lithium bromide ice maker A enters a chilled water circulating pump A through a pipeline, and the steam in the chilled water circulating pump A forms condensed water which enters a chilled water tank along with the pipeline, and the system is characterized in that: the outlet pipelines of the ethylene oxide cooler, the ethylene oxide refining tower top deep cooler and the lean absorption liquid deep cooler are connected with the left side inside the chilled water tank through the pipelines after being gathered, and the outlet of the pipeline is provided with a flow limiting pore plate B which is arranged to improve the back pressure of the return pipeline of the lithium bromide refrigeration ice machine B and reduce the vibration of the return pipeline of the lithium bromide refrigeration ice machine B.
Preferably: the initial water replenishing of the freezing water tank is realized by replenishing desalted water into the system, and the desalted water is desalted water, so that the problem of scaling inside the freezing water tank is effectively solved.
Preferably: the freezing water circulation pump A is characterized in that a check valve a and an electric valve a are arranged on an outlet pipeline of the freezing water circulation pump A, the check valve a controls one-way output of left-side freezing water in the freezing water tank, the electric valve a controls inlet and outlet of water in the pipeline, a check valve B and an electric valve B are arranged on an outlet pipeline of the freezing water circulation pump B, the check valve B controls one-way output of left-side freezing water in the freezing water tank, and the electric valve B controls inlet and outlet of water in the pipeline.
Preferably: and a temperature regulating valve a is arranged on an outlet pipeline of the top deep cooler of the ethylene oxide concentration tower to regulate the refrigerating temperature of the top deep cooler of the ethylene oxide concentration tower, and a temperature regulating valve b is arranged on an outlet pipeline of the top emptying deep cooler of the ethylene oxide concentration tower to regulate the temperature in the top emptying deep cooler of the ethylene oxide concentration tower.
Preferably: the ethylene oxide cooler outlet pipeline on be equipped with temperature regulating valve c, control the refrigeration temperature in the ethylene oxide cooler, ethylene oxide finishing tower top deep cooler outlet pipeline on be equipped with temperature regulating valve d, control the refrigeration temperature in the ethylene oxide finishing tower top deep cooler, poor absorption liquid deep cooler outlet pipeline on be equipped with temperature regulating valve e, control the refrigeration temperature in the poor absorption liquid deep cooler.
Preferably: the system is characterized in that a refrigerator condensate tank is arranged at the bottom of the lithium bromide refrigeration ice machine B, the lithium bromide refrigeration ice machine A and the refrigerator condensate tank are connected through a pipeline, the lithium bromide refrigeration ice machine B and the lithium bromide refrigeration ice machine A are driven by steam, condensate is formed in the lithium bromide refrigeration ice machine B and the lithium bromide refrigeration ice machine A respectively after the steam works, the condensate enters the refrigerator condensate tank through a pipeline, a refrigerator condensate pump is arranged on the right side of the refrigerator condensate tank, the condensate in the refrigerator condensate tank is pumped away through a pipeline under the action of the refrigerator condensate pump, the refrigerator condensate tank and the refrigerator condensate pump are connected through a pipeline, a refrigerator condensate pump outlet liquid level adjusting valve is arranged on a refrigerator condensate pump outlet pipeline, a refrigerator condensate pump outlet liquid level adjusting valve is arranged on the refrigerator condensate pump outlet, the condensate is recycled, and is externally sent to the ethylene glycol pre-condensation tower for backflow, and the amount of waste water is reduced by about 15t/h.
The utility model has the advantages that: the utility model discloses an gather on the return line of lithium bromide refrigeration ice maker B with the respective outlet line of ethylene oxide refined tower top deep cooler and poor absorption liquid deep cooler, and be equipped with current-limiting orifice plate B on the return line of lithium bromide refrigeration ice maker B, gather on the return line of lithium bromide refrigeration ice maker A through the respective outlet line of ethylene oxide concentrated tower top deep cooler and ethylene oxide concentrated tower top of the tower unloading deep cooler, and be equipped with current-limiting orifice plate an on the return line of lithium bromide refrigeration ice maker A, make the refrigerated water flow of lithium bromide refrigeration ice maker A and lithium bromide refrigeration ice maker B's outlet return line reduce, improve pipeline backpressure, and then reduce outlet return line's vibrations.
Drawings
Fig. 1 is a schematic structural diagram of the shock reducing equipment of the lithium bromide refrigeration system of the present invention.
In the figure: the system comprises a chilled water circulating pump A1, a chilled water circulating pump A outlet one-way valve a2, a chilled water circulating pump A outlet electric valve a3, a chilled water tank 4, a flow-limiting pore plate a5, a lithium bromide ice machine A6, an ethylene oxide concentration tower top deep cooler 7, an ethylene oxide concentration tower top emptying deep cooler 8, a temperature regulating valve a9, a temperature regulating valve B10, a chilled water circulating pump B11, a chilled water circulating pump B outlet one-way valve B12, a chilled water circulating pump B outlet electric valve B13, a lithium bromide ice machine B14, a temperature regulating valve c15, a temperature regulating valve d16, a temperature regulating valve e17, an ethylene oxide product cooler 18, an ethylene oxide refining tower top deep cooler 19, a flow-limiting pore plate B20, a chilled liquid tank 21, a chilled liquid pump 22, a chilled liquid condensate liquid level regulating valve 23 and a lean absorption liquid deep cooler 24.
Detailed Description
Example 1
As shown in fig. 1:
a shock reducing device of a lithium bromide refrigerating system comprises a freezing water tank 4, a lithium bromide refrigerating ice machine B14 and a lithium bromide refrigerating ice machine A6, wherein the inside of the freezing water tank 4 is divided into two sides, a freezing water circulating pump B11 is arranged between the freezing water tank 4 and the lithium bromide refrigerating ice machine B14, the left side of the inside of the freezing water tank 4, the lithium bromide refrigerating ice machine B14 and the freezing water circulating pump B11 are connected through a pipeline, the right side of the lithium bromide refrigerating ice machine B14 is sequentially provided with an ethylene oxide cooler 18, an ethylene oxide refining tower top deep cooler 19 and a lean absorption liquid deep cooler 24 from top to bottom, the ethylene oxide cooler 18, the ethylene oxide refining tower top deep cooler 19 and the lean absorption liquid deep cooler 24 are respectively connected with the lithium bromide refrigerating ice machine B14 through pipelines, a water circulating pump A1 is arranged between the freezing water tank 4 and the lithium bromide refrigerating ice machine A6, the right side of the inside of the freezing water tank 4, the lithium bromide refrigerating ice crusher A6 and the ethylene oxide refrigerating tower top deep cooler A1 are connected through a refrigerating tower top deep cooler 7 and a condensing tower top deep cooler 8, and a condensing tower top deep cooler are respectively connected with a condensing tower 8 through a pipeline: and the outlet pipelines of the ethylene oxide cooler 18, the ethylene oxide refining tower top deep cooler 19 and the lean absorption liquid deep cooler 24 are connected with the left side inside the freezing water tank 4 through pipelines after being gathered, and the outlet of the pipeline is provided with a flow limiting pore plate b20, and the outlet pipelines of the ethylene oxide concentrating tower top deep cooler 7 and the ethylene oxide concentrating tower top emptying deep cooler 8 are connected with the right side inside the freezing water tank 4 through pipelines after being gathered, and the outlet of the pipeline is provided with a flow limiting pore plate a5.
The initial refilling of the freezing water tank 4 is performed by refilling demineralized water into the system.
The outlet pipeline of the chilled water circulating pump A1 is provided with a one-way valve a2 and an electric valve a3, and the outlet pipeline of the chilled water circulating pump B11 is provided with a one-way valve B12 and an electric valve B13.
And a temperature regulating valve a9 is arranged on an outlet pipeline of the ethylene oxide concentration tower top deep cooler 7, and a temperature regulating valve b10 is arranged on an outlet pipeline of the ethylene oxide concentration tower top emptying deep cooler 8.
And a temperature regulating valve c15 is arranged on an outlet pipeline of the ethylene oxide cooler 18, a temperature regulating valve d16 is arranged on an outlet pipeline of the ethylene oxide refining tower top deep cooler 19, and a temperature regulating valve e17 is arranged on an outlet pipeline of the lean absorption liquid deep cooler 24.
The refrigerator is characterized in that a refrigerator condensate tank 21 is arranged at the bottom of the lithium bromide refrigerator B14, the lithium bromide refrigerator A6 and the refrigerator condensate tank 21 are connected through a pipeline, a refrigerator condensate pump 22 is arranged on the right side of the refrigerator condensate tank 21, the refrigerator condensate tank 21 and the refrigerator condensate pump 22 are connected through a pipeline, and a refrigerator condensate pump outlet liquid level regulating valve 23 is arranged on an outlet pipeline of the refrigerator condensate pump 22.
The working principle of the utility model is as follows:
the desalted water on the left side in the freezing water tank 4 is pumped into a lithium bromide ice-making machine B14 through a pipeline under the action of a freezing water circulating pump B11, the desalted water is refrigerated by the lithium bromide ice-making machine B14 to form freezing water, the freezing water enters an ethylene oxide product cooler 18 and an ethylene oxide refining tower top deep cooler 19 through pipelines respectively, an ethylene oxide product and refined ethylene oxide in an ethylene oxide refining tower are cooled, part of non-condensed steam providing power in the lithium bromide ice-making machine B14 enters a lean absorption liquid deep cooler 24 through a pipeline, the lean absorption liquid deep cooler 24 is condensed to form freezing water, the freezing water after heat exchange in the ethylene oxide product cooler 18 and the ethylene oxide refining tower top deep cooler 19 and the lean absorption liquid deep cooler 24 are condensed to form freezing water, the freezing water and the lean absorption liquid deep cooler 24 are gathered together through respective outlet pipelines and outlet return pipelines of the lithium bromide ice-making machine B14, the freezing water and the flow of the lithium bromide ice-making machine B14 flow is reduced through the return pipeline of the outlet of the lithium bromide ice-making machine B14. The desalted water on the right side in the freezing water tank 4 is pumped into a lithium bromide ice machine A6 through a pipeline under the action of a freezing water circulating pump A1, the desalted water is refrigerated by the lithium bromide ice machine A6 to form chilled water, the chilled water enters an ethylene oxide concentration tower top deep cooler 7 through a pipeline to cool ethylene oxide in an ethylene oxide concentration tower, part of steam which provides power in the lithium bromide ice machine A6 and does not get condensed enters an ethylene oxide concentration tower top emptying deep cooler 8 through a pipeline to form chilled water, the chilled water in the ethylene oxide concentration tower top deep cooler 7 and the ethylene oxide concentration tower top emptying deep cooler 8 is gathered with an outlet return pipeline of the lithium bromide ice machine A6 through respective outlet pipelines and flows into the right side in the freezing water tank 4 through the return pipeline, and a flow limiting orifice plate a5 is arranged on the return pipeline of the lithium bromide ice machine A6, so that the flow of the chilled water in the outlet return pipeline of the lithium bromide ice machine A6 is reduced, and the vibration of the outlet return pipeline of the lithium bromide ice machine A6 is reduced.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principle of the present invention, and these modifications should also be regarded as the protection scope of the present invention.
Claims (6)
1. A shock reducing device of a lithium bromide refrigerating system comprises a freezing water tank (4), a lithium bromide refrigerating ice machine B (14) and a lithium bromide refrigerating ice machine A (6), wherein the freezing water tank (4) is internally divided into two sides, a freezing water circulating pump B (11) is arranged between the freezing water tank (4) and the lithium bromide refrigerating ice machine B (14), the left side of the inside of the freezing water tank (4), the lithium bromide refrigerating ice machine B (14) and the freezing water circulating pump B (11) are connected through a pipeline, the right side of the lithium bromide refrigerating ice machine B (14) is sequentially provided with an ethylene oxide cooler (18), an ethylene oxide refining tower top deep cooler (19) and a lean absorption liquid deep cooler (24) from top to bottom, the ethylene oxide cooler (18), the ethylene oxide refining tower top deep cooler (19) and the lean absorption liquid deep cooler (24) are respectively connected with the lithium bromide refrigerating ice machine B (14) through pipelines, a freezing water A (1) and a lithium bromide refrigerating ice machine A (6) are sequentially arranged between the freezing water tank (4) and the lithium bromide refrigerating ice machine A (6), and the freezing water condensing ice machine A (7) are sequentially connected through pipelines, the ethylene oxide concentration tower top deep cooler (7) and the ethylene oxide concentration tower top emptying deep cooler (8) are respectively connected with a lithium bromide refrigeration ice machine A (6) through pipelines, and the method is characterized in that: the utility model discloses a cold condenser of ethylene oxide cooling ware (18), ethylene oxide refining tower top of the tower deep cooler (19) and poor absorption liquid deep cooler (24) respectively the outlet pipe gather the back and be connected and the pipeline exit is equipped with current-limiting orifice plate b (20) through pipeline and freezing water pitcher (4) inside left side, ethylene oxide concentration tower top of the tower deep cooler (7) and ethylene oxide concentration tower top of the tower unloading deep cooler (8) respectively the outlet pipe gather the back and be connected and the pipeline exit is equipped with current-limiting orifice plate a (5) through pipeline and freezing water pitcher (4) inside right side.
2. The lithium bromide refrigeration system shock mitigation equipment of claim 1, wherein: the initial water replenishing of the freezing water tank (4) is realized by replenishing desalted water into the system.
3. The shock mitigation apparatus of the lithium bromide refrigeration system of claim 1, wherein: the outlet pipeline of the chilled water circulating pump A (1) is provided with a one-way valve a (2) and an electric valve a (3), and the outlet pipeline of the chilled water circulating pump B (11) is provided with a one-way valve B (12) and an electric valve B (13).
4. The lithium bromide refrigeration system shock mitigation equipment of claim 1, wherein: and the outlet pipeline of the deep cooler (7) at the top of the ethylene oxide concentration tower is provided with a temperature regulating valve a (9), and the outlet pipeline of the emptying deep cooler (8) at the top of the ethylene oxide concentration tower is provided with a temperature regulating valve b (10).
5. The shock mitigation apparatus of the lithium bromide refrigeration system of claim 1, wherein: and a temperature regulating valve c (15) is arranged on an outlet pipeline of the ethylene oxide cooler (18), a temperature regulating valve d (16) is arranged on an outlet pipeline of the ethylene oxide refining tower top deep cooler (19), and a temperature regulating valve e (17) is arranged on an outlet pipeline of the lean absorption liquid deep cooler (24).
6. The shock mitigation apparatus of the lithium bromide refrigeration system of claim 1, wherein: the refrigerator is characterized in that a refrigerator condensate tank (21) is arranged at the bottom of the lithium bromide refrigerator B (14), the lithium bromide refrigerator A (6) and the refrigerator condensate tank (21) are connected through a pipeline, a refrigerator condensate pump (22) is arranged on the right side of the refrigerator condensate tank (21), the refrigerator condensate tank (21) and the refrigerator condensate pump (22) are connected through a pipeline, and a refrigerator condensate pump outlet liquid level regulating valve (23) is arranged on an outlet pipeline of the refrigerator condensate pump (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221587827.3U CN217541120U (en) | 2022-06-23 | 2022-06-23 | Lithium bromide refrigerating system vibration reduction equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221587827.3U CN217541120U (en) | 2022-06-23 | 2022-06-23 | Lithium bromide refrigerating system vibration reduction equipment |
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| Publication Number | Publication Date |
|---|---|
| CN217541120U true CN217541120U (en) | 2022-10-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221587827.3U Active CN217541120U (en) | 2022-06-23 | 2022-06-23 | Lithium bromide refrigerating system vibration reduction equipment |
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| CN (1) | CN217541120U (en) |
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2022
- 2022-06-23 CN CN202221587827.3U patent/CN217541120U/en active Active
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