CN213032451U - A remove airtight feeding device for reducing VOCs discharges - Google Patents

A remove airtight feeding device for reducing VOCs discharges Download PDF

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Publication number
CN213032451U
CN213032451U CN202021356375.9U CN202021356375U CN213032451U CN 213032451 U CN213032451 U CN 213032451U CN 202021356375 U CN202021356375 U CN 202021356375U CN 213032451 U CN213032451 U CN 213032451U
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China
Prior art keywords
pipeline
ball valve
diaphragm pump
pneumatic ball
vacuum diaphragm
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Expired - Fee Related
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CN202021356375.9U
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Chinese (zh)
Inventor
刘春杰
邓小清
刘旭峰
文水平
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Guangdong Vocational and Technical College
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Guangdong Vocational and Technical College
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Priority to CN202021356375.9U priority Critical patent/CN213032451U/en
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Abstract

The utility model relates to the technical field of chemical equipment, in particular to a mobile airtight feeding device for reducing VOCs emission, which comprises a trolley, a nitrogen cylinder, a material barrel, a basket filter and a vacuum diaphragm pump, wherein the nitrogen cylinder, the material barrel, the basket filter and the vacuum diaphragm pump are arranged on the trolley and are connected in sequence through pipelines; the vacuum diaphragm pump passes through the pipe connection on reation kettle, be equipped with first ball valve and teletransmission manometer on the pipeline between nitrogen cylinder and the material bucket, be equipped with first pneumatic ball valve on the pipeline between material bucket and the basket filter, be equipped with manometer on the spot on the pipeline between vacuum diaphragm pump and the reation kettle, one-way check valve and second pneumatic ball valve, be connected with the vent pipe on the air inlet of vacuum diaphragm pump, be equipped with the pneumatic ball valve of third on the vent pipe, the bottom of material bucket is equipped with weighing module, weighing module and the pneumatic ball valve of third are chain, teletransmission manometer and the pneumatic ball valve of third are chain. The utility model discloses both be convenient for remove, this feeding device is also sealed simultaneously, can effectively reduce reinforced in-process VOCs's emission.

Description

A remove airtight feeding device for reducing VOCs discharges
Technical Field
The utility model relates to a chemical industry equipment technical field, concretely relates to remove airtight feeding device for reducing VOCs emission.
Background
VOCs are the acronym of volatile organic compounds (VOLATILE organic compounds), and in China, the volatile organic compounds of VOCs refer to organic compounds with saturated vapor pressure of more than 70.91Pa at normal temperature, boiling point of 50-260 ℃ below under the standard atmospheric pressure of 101.3kPa, and initial boiling point of 250 ℃, or any volatile organic solid or liquid at normal temperature and normal pressure. VOCs mainly comprise hydrogen sulfide, thiols, ammonia, amines, nitro compounds, hydrocarbons, fatty acids, alcohols, phenols, esters, organic halogen derivatives and the like. Along with the wide application of organic products in industries such as petrochemical industry, furniture coating industry, printing and dyeing industry, the discharge amount of VOCs is getting bigger and bigger, and VOCs has multiple harmfulness, and some VOCs are flammable and explosive, bring the potential safety hazard for the production and processing of enterprise, and some VOCs have toxicity and carcinogenicity, can directly harm human health, and VOCs can also form photochemical pollution and ozone pollution in the atmosphere, cause atmospheric pollution, destroy ecological environment etc., therefore, it is very important to reduce the discharge of VOCs.
In industrial production, most of factory VOCs feeding devices are fixed and cannot be moved, the fixed feeding devices can cause inconvenient feeding, waste labor time, increase the cost of disassembly, assembly and maintenance and increase the cost; in addition, because VOCs feeding device is not sealed, the charge door is big, the open scheduling problem of charge door, leads to the VOCs material to volatilize easily, pollutes the workshop environment, influences workman's safety and health, because the VOCs material volatilizees, the volume of VOCs material has reduced, also makes the original material that gets into reation kettle reduce, influences production technology and product quality, leads to economic loss for the enterprise.
SUMMERY OF THE UTILITY MODEL
To the technical problem who exists among the prior art, the utility model aims at: the utility model provides a remove airtight feeding device for reducing VOCs discharges, this feeding device both be convenient for remove, and this feeding device is also sealed simultaneously, can effectively reduce the emission of reinforced in-process VOCs.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a movable sealed feeding device for reducing discharge of VOCs comprises a trolley, a nitrogen cylinder, a material barrel, a basket filter and a vacuum diaphragm pump, wherein the nitrogen cylinder, the material barrel, the basket filter and the vacuum diaphragm pump are arranged on the trolley; the nitrogen cylinder is connected to the material barrel through a pipeline, the material barrel is connected to the basket filter through a pipeline, the basket filter is connected to the inlet of the vacuum diaphragm pump through a pipeline, and the outlet of the vacuum diaphragm pump is connected to the reaction kettle through a pipeline; be equipped with first ball valve and teletransmission manometer on the pipeline between nitrogen cylinder and the material bucket, be equipped with first pneumatic ball valve on the pipeline between material bucket and the basket filter, be equipped with manometer on the spot on the pipeline between vacuum diaphragm pump and the reation kettle, one-way check valve and second pneumatic ball valve, be connected with the vent pipe on the air inlet of vacuum diaphragm pump, be equipped with the third pneumatic ball valve on the vent pipe, the bottom of material bucket is equipped with weighing module, weighing module and third pneumatic ball valve are chain, teletransmission manometer and third pneumatic ball valve are chain.
Furthermore, a bypass pipeline is connected to a pipeline between the second pneumatic ball valve and the reaction kettle, the bypass pipeline is connected to the material barrel, and the second ball valve is arranged on the bypass pipeline. The bypass pipeline is arranged, so that after the feeding is completed, residual materials in the material circulation pipeline are left in the material barrel, the cyclic utilization of the residual materials is realized, and the waste of the materials is reduced.
Furthermore, a sealing movable joint is arranged on the material barrel, and pipelines connected with the material barrel are connected with the material barrel through the sealing movable joint. The sealing movable joint is arranged on the material barrel, so that the effect of sealing the material barrel can be achieved, the connection between the material barrel and other pipelines is facilitated, and the disassembly and the maintenance are facilitated.
Furthermore, the pipeline connected with the sealing movable joint of the material barrel is a metal hose. The metal hose is a high-quality flexible pipeline, and the metal hose is selected for the pipeline at the joint of the sealing movable joint of the material barrel, so that the connection is facilitated, and the position movement of the pipeline can be compensated.
Further, the bottom of the basket filter is connected with a third ball valve. The third ball valve at the bottom of the basket filter is a drain trap for draining residual liquid in the basket filter.
Furthermore, a control panel is arranged on the trolley. The feeding process can be controlled through the control panel, and the feeding device is convenient and fast.
In general, the utility model has the advantages as follows:
1. the utility model discloses a feeding equipment installs on the small handcart for feeding device is mobilizable, and the feeding device of being convenient for removes the use anytime and anywhere, makes a feeding device can be used in on a plurality of reation kettle, reduces fixed equipment's fund input.
2. The utility model discloses a material circulation pipeline is the omniseal to adopt the nitrogen cylinder to let in nitrogen gas in toward the material bucket and seal, ensure the isolated air of reinforced in-process, prevent material oxidation, prevent explosion accident and take place, can avoid volatilizing and discharging of VOCs material simultaneously, avoid polluting workshop environment, influence the workman healthy, also can reduce the loss of enterprise.
3. The utility model discloses a basket filter can filter the particulate matter in the material, prevents that the particulate matter in the material from destroying the vacuum diaphragm pump, avoids equipment urgent stoppage in transit, also can guarantee product quality.
4. The utility model discloses still be provided with the bypass pipeline, during the residual material in the bypass pipeline was convenient for reinforced completion back material circulation pipeline stayed back the material bucket, realized the cyclic utilization of residual material, reduced the waste of material.
5. The utility model discloses a weighing module is chain with the pneumatic ball valve of third, and the teletransmission manometer is chain with the pneumatic ball valve of third for reinforced process can automatic chain control, when the material was taken out the setting value or when the nitrogen gas supply is not enough, and the pneumatic ball valve of third is closed, and vacuum diaphragm pump shut down, reinforced process stops, reduces manual operation, improves mechanized level, improves production efficiency, also can reduce the potential safety hazard.
Drawings
Fig. 1 is a working principle diagram of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
Wherein, 1 is the small handcart, 2 is the nitrogen cylinder, 3 is the material bucket, 4 are basket filter, 5 are the vacuum diaphragm pump, 6 are reation kettle, 7 are first ball valve, 8 are the teletransmission manometer, 9 are first pneumatic ball valve, 10 are manometer on the spot, 11 are check valve, 12 are the pneumatic ball valve of second, 13 are the vent pipe, 14 are third pneumatic ball valve, 15 are weighing module, 16 are the bypass pipeline, 17 are the second ball valve, 18 are sealed loose joint, 19 are metal collapsible tube, 20 are the third ball valve, 21 are control panel, 22 are the compressed air supply end of mill.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
For the sake of understanding, the symbols in the drawings are first described, the solid black dots indicate that the two pipes are connected in an intersecting manner, the semicircular dots indicate that the two pipes are not connected in an intersecting manner, the single arrows indicate the material flow direction during charging, the double arrows indicate the nitrogen flow direction, and the triple arrows indicate the plant compressed air flow direction.
As shown in fig. 1 and 2, a mobile airtight feeding device for reducing the discharge of VOCs comprises a trolley, and a nitrogen cylinder, a material barrel, a basket filter and a vacuum diaphragm pump which are arranged on the trolley; the nitrogen cylinder is connected to the material barrel through a pipeline, the material barrel is connected to the basket filter through a pipeline, the basket filter is connected to the inlet of the vacuum diaphragm pump through a pipeline, and the outlet of the vacuum diaphragm pump is connected to the reaction kettle through a pipeline; a first ball valve and a remote pressure gauge are arranged on a pipeline between the nitrogen cylinder and the material barrel, a first pneumatic ball valve is arranged on a pipeline between the material barrel and the basket filter, a local pressure gauge, a one-way check valve and a second pneumatic ball valve are arranged on a pipeline between the vacuum diaphragm pump and the reaction kettle, an air inlet of the vacuum diaphragm pump is connected with an air vent pipeline, a third pneumatic ball valve is arranged on the air vent pipeline, a weighing module is arranged at the bottom of the material barrel and is interlocked with the third pneumatic ball valve, and the remote pressure gauge is interlocked with the third pneumatic ball valve; the pipeline between the second pneumatic ball valve and the reaction kettle is connected with a bypass pipeline, the bypass pipeline is connected to the material barrel, and the bypass pipeline is provided with a second ball valve.
The material barrel is provided with a sealing movable joint, the pipelines connected with the material barrel are connected with the material barrel through the sealing movable joint, and the sealing movable joint is arranged on the material barrel, so that the effect of sealing the material barrel can be achieved, the connection between the material barrel and other pipelines is facilitated, and the disassembly and the maintenance are facilitated; the pipeline of connection in the sealed loose joint department of material bucket is metal collapsible tube, and metal collapsible tube is a high-quality flexible pipeline, will select for use metal collapsible tube with the pipeline of the sealed loose joint department of material bucket junction even if be convenient for connect, also can be used for compensating the position of pipeline and remove simultaneously.
In this embodiment, be connected with sealed union joint on the bung hole of material bucket, the nitrogen cylinder passes through pipe connection on the material bucket, this pipeline adopts metal collapsible tube in the junction with the material bucket, metal collapsible tube on this pipeline is connected with the sealed union joint on the material bucket promptly, nitrogen gas in the nitrogen cylinder lets in the material bucket through this pipeline, be equipped with first ball valve and teletransmission manometer on the pipeline between nitrogen cylinder and the material bucket, the break-make of nitrogen gas in this pipeline can be controlled to first ball valve, the nitrogen gas pressure value on this pipeline can be measured to the teletransmission manometer, and demonstrate the pressure value, and transmit this pressure value signal to third pneumatic ball valve.
The material barrel is connected to the basket filter through a pipeline, the pipeline is provided with a metal hose at the joint of the pipeline and the material barrel, namely the metal hose on the pipeline is connected with a sealing movable joint on the material barrel, the pipeline is used for extracting materials, therefore, the pipeline extends into the bottom of the material barrel, the materials are convenient to extract, a first pneumatic ball valve is arranged on the pipeline between the material barrel and the basket filter, the first pneumatic ball valve can control the on-off of the materials in the pipeline, the basket filter is used for filtering particles in the materials, the vacuum diaphragm pump is prevented from being damaged by the particles in the materials, the emergency stop of equipment is avoided, the product quality can be guaranteed, the bottom of the basket filter is connected with a third ball valve, and the third ball valve is a condensation discharging valve and used for discharging residual liquid in the basket filter.
The basket filter is connected to the inlet of the vacuum diaphragm pump through a pipeline, the outlet of the vacuum diaphragm pump is connected to the reaction kettle through a pipeline, the pipeline at the joint of the vacuum diaphragm pump and the reaction kettle adopts a metal hose, the air inlet of the vacuum diaphragm pump is connected with an air vent pipeline, the air vent pipeline is connected with a factory compressed air supply end, the pipeline at the joint of the air vent pipeline and the factory compressed air supply end also adopts a metal hose, the factory compressed air provides a power source for the vacuum diaphragm pump, so that the vacuum diaphragm pump can pump materials in a material barrel into the reaction kettle, the air vent pipeline is provided with a third pneumatic ball valve, the third pneumatic ball valve can control the on-off of the factory compressed air in the air vent pipeline, thereby controlling the on-off of the vacuum diaphragm pump, the pipeline between the vacuum diaphragm pump and the reaction kettle is provided with an on-site, the delivery pressure of material circulation in-process can be measured to manometer on the spot, is convenient for monitor material and carries the process, and one-way check valve can prevent that the material from anti scurrying, and the break-make of material in the pipeline between vacuum diaphragm pump and reation kettle can be controlled to the pneumatic ball valve of second.
Be connected with the bypass pipeline on the pipeline between second pneumatic ball valve and the reation kettle, bypass pipe connects on the material bucket, is equipped with the second ball valve on the bypass pipeline, and the break-make of material in this bypass pipeline can be controlled to the second ball valve, sets up the bypass pipeline, is convenient for after reinforced completion, and during the residual liquid in the material circulation pipeline stayed back the material bucket, realized the cyclic utilization of residual material, the waste of reduction material.
The bottom of the material barrel is provided with a weighing module which is interlocked with a third pneumatic ball valve, a remote pressure gauge is interlocked with the third pneumatic ball valve, the weighing module can automatically weigh the material in the material barrel, display the weight of the material and transmit an obtained material weight signal, the weighing module and the third pneumatic ball valve can realize interlocking control through signal transmission, namely the weighing module can transmit the material weight signal to the third pneumatic ball valve, the third pneumatic ball valve can open or close the third pneumatic ball valve after receiving the signal, in the specific implementation process, the weight value of the extracted material is preset on the weighing module, when the material is extracted to the set weight value, the weighing module transmits the signal to the third pneumatic ball valve, the third pneumatic ball valve closes the third pneumatic ball valve after receiving the signal, so that the vacuum diaphragm pump stops running and the process of extracting the material stops, namely stopping the feeding process; chain control can be realized through signal transmission to teletransmission manometer and third pneumatic ball valve, teletransmission manometer can be with nitrogen gas pressure value signal transmission for third pneumatic ball valve promptly, third pneumatic ball valve can open or close third pneumatic ball valve after receiving the signal, in the specific implementation in-process, when the nitrogen gas of supply is not enough in the nitrogen gas bottle, teletransmission manometer can be with nitrogen gas pressure value signal transmission for third pneumatic ball valve, third pneumatic ball valve closes third pneumatic ball valve after receiving the signal, make the vacuum stall, the extraction material process stops, reinforced process stops promptly, prevent because of nitrogen gas is not enough, cause system failure or emergence accident.
The trolley is provided with a control panel, and the feeding device is started and closed through the control panel, so that the feeding process is controlled, and the trolley is convenient and fast.
As shown in fig. 1 and fig. 2, when the utility model is used, firstly, the trolley is pushed to the side of the reaction kettle, the feeding device is close to the reaction kettle, then the feeding device is connected with the reaction kettle, the feeding device is started through a control panel, nitrogen is introduced into the material barrel through a pipeline by a nitrogen bottle, nitrogen sealing is realized, the weighing module automatically weighs the material, under the action of the vacuum diaphragm pump, the material flows out of the material barrel and enters the basket filter through the pipeline, the basket filter filters the material, the material flowing out of the basket filter flows into the vacuum diaphragm pump through the pipeline, and the material flowing out of the vacuum diaphragm pump flows into the reaction kettle through the pipeline; when the materials are added to a set weight value, namely when the materials extracted from the material barrel reach a set value, the weighing module transmits a signal to the third pneumatic ball valve, the third pneumatic ball valve is closed, the vacuum diaphragm pump stops running, the feeding process stops, namely the material extracting process stops; after the feeding is completed, the second ball valve of the bypass pipeline is opened, and residual liquid in the pipeline can be left back to the material barrel through the bypass pipeline, so that the cyclic utilization of residual materials is realized, and the waste of the materials is reduced. When the nitrogen gas of supply was not enough in the nitrogen cylinder, the teletransmission manometer can give the third pneumatic ball valve with nitrogen gas pressure value signal transmission, and the third pneumatic ball valve is closed, and the vacuum diaphragm pump also stops the operation, and the feeding process stops, prevents to cause system failure or emergence accident because of nitrogen gas is not enough.
In general, the utility model is movable, which is convenient for the feeding device to move and use at any time and any place, so that one feeding device can be used on a plurality of reaction kettles, and the capital investment of fixed equipment is reduced; the utility model adopts the sealed loop design, the material circulation pipeline is totally sealed, and nitrogen is adopted for sealing, thereby ensuring air isolation in the feeding process, preventing material oxidation and explosion accidents, simultaneously avoiding volatilization and discharge of VOCs materials, avoiding polluting workshop environment, influencing the health of workers and reducing enterprise loss; the bypass pipeline is arranged, so that residual materials in the material circulation pipeline can be conveniently left in the material barrel after the feeding is finished, the cyclic utilization of the residual materials is realized, and the waste of the materials is reduced; weighing module is chain with the pneumatic ball valve of third, and the teletransmission manometer is chain with the pneumatic ball valve of third for reinforced process can automatic chain control, when the material was taken the setting value or when the nitrogen gas supply was not enough, the pneumatic ball valve of third was closed, and vacuum diaphragm pump shut down, reinforced process stops, reduces manual operation, improves mechanized level, improves production efficiency, also can reduce the potential safety hazard.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

Claims (6)

1. The utility model provides a remove airtight feeding device for reducing VOCs discharges which characterized in that: comprises a trolley, a nitrogen cylinder, a material barrel, a basket filter and a vacuum diaphragm pump, wherein the nitrogen cylinder, the material barrel, the basket filter and the vacuum diaphragm pump are arranged on the trolley; the nitrogen cylinder is connected to the material barrel through a pipeline, the material barrel is connected to the basket filter through a pipeline, the basket filter is connected to the inlet of the vacuum diaphragm pump through a pipeline, and the outlet of the vacuum diaphragm pump is connected to the reaction kettle through a pipeline; be equipped with first ball valve and teletransmission manometer on the pipeline between nitrogen cylinder and the material bucket, be equipped with first pneumatic ball valve on the pipeline between material bucket and the basket filter, be equipped with manometer on the spot on the pipeline between vacuum diaphragm pump and the reation kettle, one-way check valve and second pneumatic ball valve, be connected with the vent pipe on the air inlet of vacuum diaphragm pump, be equipped with the third pneumatic ball valve on the vent pipe, the bottom of material bucket is equipped with weighing module, weighing module and third pneumatic ball valve are chain, teletransmission manometer and third pneumatic ball valve are chain.
2. A mobile enclosed loading unit for reducing emissions of VOCs as claimed in claim 1, wherein: the pipeline between the second pneumatic ball valve and the reaction kettle is connected with a bypass pipeline, the bypass pipeline is connected to the material barrel, and the bypass pipeline is provided with a second ball valve.
3. A mobile enclosed loading unit for reducing emissions of VOCs as claimed in claim 1, wherein: the material barrel is provided with a sealing movable joint, and pipelines connected with the material barrel are connected with the material barrel through the sealing movable joint.
4. A mobile enclosed loading unit for reducing emissions of VOCs as claimed in claim 3, wherein: the pipeline connected with the sealing movable joint of the material barrel is a metal hose.
5. A mobile enclosed loading unit for reducing emissions of VOCs as claimed in claim 1, wherein: the bottom of the basket filter is connected with a third ball valve.
6. A mobile enclosed loading unit for reducing emissions of VOCs as claimed in claim 1, wherein: the trolley is provided with a control panel.
CN202021356375.9U 2020-07-10 2020-07-10 A remove airtight feeding device for reducing VOCs discharges Expired - Fee Related CN213032451U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021356375.9U CN213032451U (en) 2020-07-10 2020-07-10 A remove airtight feeding device for reducing VOCs discharges

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Application Number Priority Date Filing Date Title
CN202021356375.9U CN213032451U (en) 2020-07-10 2020-07-10 A remove airtight feeding device for reducing VOCs discharges

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CN213032451U true CN213032451U (en) 2021-04-23

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116440804A (en) * 2023-05-04 2023-07-18 江苏永创医药科技股份有限公司 3-trifluoromethyl-4-nitrophenol hydrolysis system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116440804A (en) * 2023-05-04 2023-07-18 江苏永创医药科技股份有限公司 3-trifluoromethyl-4-nitrophenol hydrolysis system

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