CN213941599U - Ethylene oxide analysis cabinet - Google Patents
Ethylene oxide analysis cabinet Download PDFInfo
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- CN213941599U CN213941599U CN202022836846.2U CN202022836846U CN213941599U CN 213941599 U CN213941599 U CN 213941599U CN 202022836846 U CN202022836846 U CN 202022836846U CN 213941599 U CN213941599 U CN 213941599U
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Abstract
An ethylene oxide analysis cabinet comprises a cabinet body, wherein a heating jacket and a heat insulation layer are sleeved outside the cabinet body, an opening is formed in one side of the cabinet body, and the opening is sealed through a sealing door; the cabinet body is also provided with a hot air circulation mechanism, a vacuum air exhaust mechanism, a fresh air replenishing mechanism and a tail gas tail liquid temporary storage mechanism, the hot air circulation mechanism comprises a hot air circulation pipeline and an internal circulation fan arranged on the hot air circulation pipeline, and two ends of the hot air circulation pipeline are respectively communicated with two sides of the cabinet body; the vacuum air pumping mechanism comprises a vacuum pump, the vacuum pump is communicated with the cabinet body through a vacuum air pumping pipeline, and a vacuum air pumping control valve is installed on the vacuum air pumping pipeline; the tail gas tail liquid temporary storage mechanism comprises a tail gas tail liquid temporary storage tank, and the tail gas tail liquid temporary storage tank is communicated with a gas outlet of the vacuum pump. This analysis cabinet automatic operation is stable, safe and reliable, can shorten the analysis time greatly through forcing the analysis, has reduced warehouse buffer memory, has improved product safety, has improved economic benefits greatly.
Description
Technical Field
The utility model relates to an analytic technical field of ethylene oxide, especially an analytic cabinet of ethylene oxide.
Background
Ethylene oxide is the 2 nd generation chemical disinfectant appearing after formaldehyde, is still one of the best cold disinfectants until now, and is the most important member of the four major low-temperature sterilization technologies (low-temperature plasma, low-temperature formaldehyde steam, ethylene oxide and glutaraldehyde) at present.
However, ethylene oxide is an organic compound and a toxic carcinogen, and is analyzed and cleaned after being used as a disinfectant to ensure safety; although the prior art has the device and the method for analyzing the ethylene oxide, the analyzing efficiency is low, and the actual using requirement cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to prior art not enough, provide a reasonable in design, degree of automation height, through forcing the analysis, shorten the ethylene oxide analysis cabinet of analysis time greatly.
The technical problem to be solved by the utility model is realized through the following technical scheme. The utility model relates to an ethylene oxide analysis cabinet, which comprises a cabinet body, wherein a heating jacket and a heat preservation layer are sleeved outside the cabinet body, an opening is arranged at one side of the cabinet body, and the opening is sealed by a sealing door; the cabinet body is also provided with a hot air circulation mechanism, a vacuum air exhaust mechanism, a fresh air replenishing mechanism and a tail gas tail liquid temporary storage mechanism, the hot air circulation mechanism comprises a hot air circulation pipeline and an internal circulation fan arranged on the hot air circulation pipeline, and two ends of the hot air circulation pipeline are respectively communicated with two sides of the cabinet body; the vacuum air pumping mechanism comprises a vacuum pump, the vacuum pump is communicated with the cabinet body through a vacuum air pumping pipeline, and a vacuum air pumping control valve is installed on the vacuum air pumping pipeline; the tail gas tail liquid temporary storage mechanism comprises a tail gas tail liquid temporary storage tank, and the tail gas tail liquid temporary storage tank is communicated with a gas outlet of the vacuum pump.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above ethylene oxide analysis cabinet, this analysis cabinet is still including the controlling means who is used for the cabinet body operation of control, controlling means includes the PLC controller and is used for the touch-sensitive screen of information display and instruction input.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above the ethylene oxide analysis cabinet, the mechanism is added to the new trend includes the benefit wind pipeline, and the one end and the cabinet body intercommunication of benefit wind pipeline, the other end intercommunication of benefit wind pipeline have aseptic filter, install the benefit wind control valve on the benefit wind pipeline.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above the ethylene oxide analysis cabinet, aseptic filter is provided with 2, 2 parallelly connected backs of aseptic filter and air supplement pipeline intercommunication.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above the analytic cabinet of ethylene oxide, the intercommunication has heating water tank on the heating jacket, installs the heating pipe in heating water tank, heating water tank passes through inlet channel and outlet pipeline and heating jacket intercommunication, installs circulating water pump on inlet channel.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above the ethylene oxide analysis cabinet, the heating pipe is electric heating pipe or steam heating pipe.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above the analytic cabinet of ethylene oxide, still install the pressure gauge on the cabinet body, all install temperature probe on the cabinet body and heating jacket.
Compared with the prior art, the utility model utilizes the cabinet body to contain the sterilization objects, heats the cabinet body through the heating jacket, and simultaneously utilizes the hot air circulation mechanism to form hot air circulation in the cabinet body, thereby heating the sterilization objects in the cabinet body; and then, vacuumizing the cabinet body by using the vacuum air exhaust mechanism, starting the fresh air supplement mechanism to supplement fresh sterile air, repeating the operation, vacuumizing and supplementing the cabinet body to better and faster wash and separate out ethylene oxide in the sterilized objects in the inner chamber, then, returning the cabinet body to a certain pressure and standing the cabinet body to fully analyze trace ethylene oxide on the sterilized objects, and finally, supplementing air and decompressing the cabinet body. This analysis cabinet automatic operation is stable, safe, reliable, can shorten the analysis time greatly through forcing the analysis, has reduced warehouse buffer, effectively alleviates protection material pressure in the epidemic situation, has improved product safety, has improved economic benefits greatly.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a bottom view of a structure of the present invention;
fig. 3 is a side view of a structure of the present invention;
fig. 4 is a side view of the internal structure of the present invention;
FIG. 5 is a top view of the sealing door of the present invention;
fig. 6 is a partial structural view of fig. 5.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-6, an ethylene oxide analysis cabinet comprises a cabinet body 1, a heating jacket 14 and a heat preservation layer 15 are sleeved outside the cabinet body 1, an opening is formed in one side of the cabinet body 1, the opening is sealed by a sealing door 2, the sealing door 2 adopts a single-door or double-door sealing door 2 in the prior art, and a sealing strip 16 is further installed on the cabinet body 1 at the opening for ensuring the reliability of the sealing door 2 for the opening; the cabinet body 1 is also provided with a hot air circulation mechanism, a vacuum air exhaust mechanism, a fresh air supplement mechanism and a tail gas tail liquid temporary storage mechanism, the hot air circulation mechanism comprises a hot air circulation pipeline 3 and an internal circulation fan 12 arranged on the hot air circulation pipeline 3, two ends of the hot air circulation pipeline 3 are respectively communicated with two sides of the cabinet body 1, and circulating hot air can be formed in the cabinet body 1 through the action of the internal circulation fan 12, so that sterilized objects in the cabinet body 1 can be better heated; the vacuum air pumping mechanism comprises a vacuum pump 5, the vacuum pump 5 is communicated with the cabinet body 1 through a vacuum air pumping pipeline 4, a vacuum air pumping control valve 8 is installed on the vacuum air pumping pipeline 4, the vacuum pump 5 pumps the cabinet body 1 through the vacuum air pumping pipeline 4 to vacuumize the cabinet body 1, and the analysis of ethylene oxide in a sterilized object is accelerated; tail gas tail liquid temporary storage mechanism includes tail gas tail liquid temporary storage tank 13, and tail gas tail liquid temporary storage tank 13 communicates with the gas outlet of vacuum pump 5 for when vacuum pump 5 carries out the evacuation to the cabinet body 1, the tail gas tail liquid of taking out gets into in tail gas tail liquid temporary storage tank 13, the follow-up centralized processing of being convenient for.
The fresh air supplementing mechanism comprises an air supplementing pipeline 6, one end of the air supplementing pipeline 6 is communicated with the cabinet body 1, the other end of the air supplementing pipeline 6 is communicated with a sterile filter 7, and an air supplementing control valve is installed on the air supplementing pipeline 6. The air supply control valve is used for controlling the on-off of the air supply pipeline 6, so that external air can conveniently enter the cabinet body 1 through the air supply pipeline 6; the sterile filter 7 is used for filtering the air supplemented into the air supplementing pipeline 6, so that the supplemented air is fresh sterile air.
The heating jacket 14 is communicated with a heating water tank 9, a heating pipe is arranged in the heating water tank 9, the heating water tank 9 is communicated with the heating jacket 14 through a water inlet pipeline and a water outlet pipeline, and a circulating water pump 10 is arranged on the water inlet pipeline.
The heating pipe is an electric heating pipe or a steam heating pipe. The electric heating pipe is used for heating through a power supply, heating is uniform, and control is convenient; the steam heating is used for introducing steam, the heating is realized by utilizing the heat emitted by the steam, the heat transfer efficiency is high, and the energy-saving effect is good.
The cabinet body 1 is also provided with a pressure gauge for detecting the pressure in the cabinet body 1 in real time, so that the automatic operation of the analysis cabinet can be controlled conveniently according to the pressure, and the safety is ensured; the cabinet body 1 and the heating jacket 14 are both provided with temperature probes 11 for real-time detection of the temperature in the cabinet body 1 and the heating jacket 14.
The analysis cabinet also comprises a control device for controlling the operation of the cabinet body 1, the control device comprises a PLC (programmable logic controller) and a touch screen for information display and instruction input, the internal circulation fan 12, the vacuum pump 5, the vacuum pumping control valve 8, the air supplementing control valve and the heating pipe are all connected with the output end of the PLC, and the pressure gauge and the temperature probe 11 are all connected with the input end of the PLC, so that the analysis cabinet can be controlled by the PLC to automatically and stably operate; during practical application, a control box is arranged, the PLC is installed in the control box, and the touch screen is installed on the control box.
When in use:
1. ready state
The preparation state is that the sterilized object is put into the analysis cabinet body, then the setting of relevant parameters and the operation opening are in the closing stage, and the starting switch can be pressed to enter the working state after the stage is completed;
in the preparation stage, setting the running parameter time of equipment such as a temperature probe, a pressure gauge and the like, starting a heating pipe, and heating water in a heating water tank;
2. heating stroke and heat preservation stroke
When the conditions meet the operation, the operation can be carried out, the picture display of the touch screen can be carried out, and the operation enters the heating stroke of the circulating water pump and the hot air circulating mechanism by pressing a (starting) key.
The heating stroke refers to introducing water in the heating water tank into the heating jacket through the circulating water pump, and starting the internal circulating fan to heat the sterilized objects in the cabinet body in a hot air circulating manner;
3. vacuum pressure-maintaining stroke
Starting a vacuum pumping mechanism to pump vacuum to the cabinet body, stopping pumping when the pressure in the cabinet body reaches a set pressure value, feeding tail gas tail liquid pumped by a vacuum pump into a tail gas tail liquid temporary storage tank, starting timing, pressure maintaining and timing, detecting the airtightness of the cabinet body, and feeding into the next stroke after the airtightness is qualified;
4. air cleaning stroke
Entering a cleaning stroke, starting the sterile fresh air replenishing mechanism to replenish fresh sterile air to the cabinet body, starting the vacuum air exhausting mechanism to vacuumize the cabinet body again when the pressure of the cabinet body reaches a set pressure value, stopping vacuumizing when the pressure of the cabinet body reaches the set pressure value, replenishing fresh sterile air to the cabinet body, repeating the steps, accelerating the cleaning and separation of ethylene oxide in the sterilized object, and entering the next stroke after reaching the preset repetition times;
5. return stroke
After entering the return stroke, returning the cabinet body to a certain pressure and standing to fully analyze trace ethylene oxide on the sterilized objects, and entering the next stroke after the time comes;
6. end of travel
And when the pressure reaches 0MPa, a door opening lamp of the rear door is turned on, and the touch screen displays related information to open the door.
This application adopts touch-sensitive screen + PLC control mode, and automatic operation is stable, safe, reliable, through forcing the analysis, shortens the analysis time greatly, has reduced warehouse buffer, effectively alleviates protection material pressure in the epidemic situation, has improved product safety, has improved economic benefits greatly.
Claims (7)
1. An ethylene oxide analysis cabinet, its characterized in that: the analysis cabinet comprises a cabinet body, wherein a heating jacket and a heat insulation layer are sleeved outside the cabinet body, an opening is formed in one side of the cabinet body, and the opening is sealed through a sealing door; the cabinet body is also provided with a hot air circulation mechanism, a vacuum air exhaust mechanism, a fresh air replenishing mechanism and a tail gas tail liquid temporary storage mechanism, the hot air circulation mechanism comprises a hot air circulation pipeline and an internal circulation fan arranged on the hot air circulation pipeline, and two ends of the hot air circulation pipeline are respectively communicated with two sides of the cabinet body; the vacuum air pumping mechanism comprises a vacuum pump, the vacuum pump is communicated with the cabinet body through a vacuum air pumping pipeline, and a vacuum air pumping control valve is installed on the vacuum air pumping pipeline; the tail gas tail liquid temporary storage mechanism comprises a tail gas tail liquid temporary storage tank, and the tail gas tail liquid temporary storage tank is communicated with a gas outlet of the vacuum pump.
2. The ethylene oxide resolving cabinet according to claim 1, characterized in that: the analysis cabinet further comprises a control device for controlling the operation of the cabinet body, and the control device comprises a PLC (programmable logic controller) and a touch screen for information display and instruction input.
3. The ethylene oxide resolving cabinet according to claim 1, characterized in that: the fresh air supplementing mechanism comprises an air supplementing pipeline, one end of the air supplementing pipeline is communicated with the cabinet body, the other end of the air supplementing pipeline is communicated with a sterile filter, and an air supplementing control valve is installed on the air supplementing pipeline.
4. The ethylene oxide resolving cabinet according to claim 3, characterized in that: the number of the sterile filters is 2, and the 2 sterile filters are connected in parallel and then communicated with an air supply pipeline.
5. The ethylene oxide resolving cabinet according to claim 1, characterized in that: the heating jacket is communicated with a heating water tank, a heating pipe is arranged in the heating water tank, the heating water tank is communicated with the heating jacket through a water inlet pipeline and a water outlet pipeline, and a circulating water pump is arranged on the water inlet pipeline.
6. The ethylene oxide resolving cabinet according to claim 5, wherein: the heating pipe is an electric heating pipe or a steam heating pipe.
7. The ethylene oxide resolving cabinet according to claim 1, characterized in that: the cabinet body is also provided with a pressure gauge, and the cabinet body and the heating jacket are both provided with temperature probes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022836846.2U CN213941599U (en) | 2020-12-01 | 2020-12-01 | Ethylene oxide analysis cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022836846.2U CN213941599U (en) | 2020-12-01 | 2020-12-01 | Ethylene oxide analysis cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN213941599U true CN213941599U (en) | 2021-08-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202022836846.2U Active CN213941599U (en) | 2020-12-01 | 2020-12-01 | Ethylene oxide analysis cabinet |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114413474A (en) * | 2022-02-08 | 2022-04-29 | 无锡高是医疗技术有限公司 | System and method for quickly separating out ethylene oxide |
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2020
- 2020-12-01 CN CN202022836846.2U patent/CN213941599U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114413474A (en) * | 2022-02-08 | 2022-04-29 | 无锡高是医疗技术有限公司 | System and method for quickly separating out ethylene oxide |
| CN114413474B (en) * | 2022-02-08 | 2024-03-29 | 无锡高是医疗技术有限公司 | System and method for rapidly separating out ethylene oxide |
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