CN214746180U - Refrigerating device of explosion-proof analysis cabin - Google Patents
Refrigerating device of explosion-proof analysis cabin Download PDFInfo
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- CN214746180U CN214746180U CN202120939211.7U CN202120939211U CN214746180U CN 214746180 U CN214746180 U CN 214746180U CN 202120939211 U CN202120939211 U CN 202120939211U CN 214746180 U CN214746180 U CN 214746180U
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Abstract
The utility model provides a refrigerating plant of explosion-proof analysis cabin, includes shell and tube heat exchanger, explosion-proof axial fan, a shell side access connection intake pipe of shell and tube heat exchanger, the intake pipe is vertical to be extended downwards, and extends the end and be equipped with shower head, filter screen, and shell side exit linkage exhaust pipe of shell and tube heat exchanger, the low reaches end of this exhaust pipe and the interior empty intercommunication of explosion-proof analysis cabin, explosion-proof axial fan installs in the intake pipe, is located the top of shower head, filter screen for drive air current and pass shell side entering explosion-proof analysis cabin of shell and tube heat exchanger and empty, shell and tube heat exchanger's tube side import is used for linking to each other with technology low temperature water source, and shell and tube heat exchanger's tube side export links to each other with the shower head through the pipeline for form the water curtain in the extension end of intake pipe. The utility model discloses simple structure, running cost are low, and have long service life, maintain convenient advantage.
Description
Technical Field
The utility model relates to a chemical industry field, in particular to refrigerating plant of explosion-proof analysis cabin.
Background
The explosion-proof analysis cabin integrates the combination, the set and the installation of industrial on-line instruments, and is widely applied to chemical enterprises.
The explosion-proof analysis cabin adopts an all-steel frame structure, and needs to be provided with an explosion-proof air conditioner for regulating the indoor temperature. The explosion-proof air conditioning equipment has high cost, high operation energy consumption, short service life and complex equipment, and after the equipment failure, a user passively receives software and hardware failures caused by a plurality of failure points, and can only seek professional maintenance units after the failure, so that the operation cost of chemical enterprises is higher.
Disclosure of Invention
The utility model aims at providing a refrigerating plant of explosion-proof analysis cabin to prior art's not enough, its simple structure, running cost are low, and have long service life, maintain convenient advantage.
The technical scheme of the utility model is that: the utility model provides a refrigerating plant of explosion-proof analysis cabin, includes shell and tube heat exchanger, explosion-proof axial fan, a shell side access connection intake pipe of shell and tube heat exchanger, the intake pipe is vertical to be extended downwards, and extends the end and be equipped with shower head, filter screen, and shell side exit linkage exhaust pipe of shell and tube heat exchanger, the low reaches end of this exhaust pipe and the interior empty intercommunication of explosion-proof analysis cabin, explosion-proof axial fan installs in the intake pipe, is located the top of shower head, filter screen for drive air current and pass shell side entering explosion-proof analysis cabin of shell and tube heat exchanger and empty, shell and tube heat exchanger's tube side import is used for linking to each other with technology low temperature water source, and shell and tube heat exchanger's tube side export links to each other with the shower head through the pipeline for form the water curtain in the extension end of intake pipe.
And heat dissipation ratchet sheets are arranged on the tubes of the tube type heat exchanger.
The number of the spray headers is multiple, the spray headers are arranged in multiple layers along the height direction, the spray headers at each layer are equally distributed on the circumference of 360 degrees, and each spray header faces the center of the air inlet pipe along the radial direction.
The exhaust pipe is wrapped with a heat insulation material layer.
The filter screen is positioned below the spray header.
Adopt above-mentioned technical scheme to have following beneficial effect:
1. the refrigerating device of the explosion-proof analysis cabin comprises a tube type heat exchanger and an explosion-proof axial flow fan, wherein the explosion-proof axial flow fan is used for driving airflow, and the tube type heat exchanger is used for reducing the temperature of the airflow to achieve the purpose of cooling the explosion-proof analysis cabin. Shell side access connection an intake pipe of shell and tube heat exchanger, the intake pipe extends vertically downwards, and extends the end and be equipped with shower head, filter screen, and shell side exit linkage a blast pipe of shell and tube heat exchanger, the low reaches end and the interior sky intercommunication of explosion-proof analysis cabin of this blast pipe, promptly, explosion-proof analysis cabin passes through blast pipe, shell side, the intake pipe of shell and tube heat exchanger, communicates with external atmosphere. The explosion-proof axial flow fan is arranged in the air inlet pipe, is positioned above the spray header and the filter screen and is used for driving air flow to pass through the shell pass of the tube type heat exchanger and enter the inner space of the explosion-proof analysis cabin. The tube side inlet of the tube type heat exchanger is used for being connected with a process low-temperature water source, the tube side outlet of the tube type heat exchanger is connected with a spray header through a pipeline and is used for forming a water curtain at the extending end of an air inlet pipe, process low-temperature water continuously penetrates through the tube side of the tube type heat exchanger and exchanges heat with air flow penetrating through the shell side of the tube type heat exchanger to cool the air flow, the process low-temperature water is heated, the temperature of the air flow discharged to an explosion-proof analysis cabin is reduced, the purpose of cooling the explosion-proof analysis cabin is achieved, the process low-temperature water after heating forms the water curtain at the extending end of the air inlet pipe and is matched with a filter screen, trace particle suspended matters, trace harmful gases and the like possibly existing in ambient air are washed, filtered and separated, the cleanliness of cold air entering the explosion-proof analysis cabin is guaranteed, and related requirements are met.
2. The quantity of shower head is a plurality of, arranges into the multilayer along the direction of height, and 360 circumferences are equallyd divide equally to the shower head of each layer, and each shower head all forms multilayer water curtain along the center of radial orientation intake pipe so can form at the extension end of intake pipe, further improves the washing effect to trace particle suspended solid, trace harmful gas in the ambient air, guarantees the cleanliness factor that gets into the cold air of explosion-proof analysis cabin.
3. The filter screen is located the below of shower head, and the technology low temperature water after shower head spun intensifies forms the water film between filterable filtration pore, under the prerequisite of guaranteeing filter screen filter effect, further improves the washing efficiency to ambient air.
The following further description is made with reference to the accompanying drawings and detailed description.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is the installation schematic diagram of the spray header, the explosion-proof axial flow fan and the filter screen of the utility model.
In the attached drawing, 1 is a tubular heat exchanger, 2 is an explosion-proof axial flow fan, 3 is an air inlet pipe, 4 is a spray header, 5 is a filter screen, and 6 is an exhaust pipe.
Detailed Description
The utility model discloses in, do not mark equipment, the part of concrete structure or model select for use the equipment or the part of chemical industry field conventionality usually, do not mark the connected mode that connected mode or the manufacturer's suggestion that are chemical industry field conventionality usually of concrete connected mode.
Referring to fig. 1 and 2, a specific embodiment of a refrigerating apparatus of an explosion-proof analysis cabin is shown. The refrigerating device of the explosion-proof analysis cabin comprises a tubular heat exchanger 1 and an explosion-proof axial flow fan 2, wherein a plurality of heat dissipation ratchet pieces are respectively arranged on each tube of the tubular heat exchanger along the length direction. Shell side access connection an intake pipe 3 of shell and tube heat exchanger 1, intake pipe 3 extends vertically downwards, and extend the end and be equipped with shower head 4, filter screen 5, in this embodiment, be equipped with three ring pipes that extend along intake pipe circumference at the extension end of intake pipe along the direction of height interval, the shower head divide into the three-layer, the quantity of shower head of each layer is a plurality of, and equally divide 360 circumferences, the shower head of each layer and the ring pipe intercommunication that corresponds, and each shower head all along the center of radial orientation intake pipe 3, the filter screen setting is in the below of the ring pipe of bottom. The shell side outlet of the tubular heat exchanger 1 is connected with an exhaust pipe 6, the downstream end of the exhaust pipe 6 is communicated with the inner space of the explosion-proof analysis cabin, and the exhaust pipe 6 is usually wrapped with a heat insulation material layer. The anti-explosion axial flow fan 2 is arranged in the air inlet pipe 3, is positioned above the spray header 4 and the filter screen 5, and is used for driving air flow to pass through the shell side of the tube type heat exchanger 1 and enter the inner space of the anti-explosion analysis cabin. The tube side inlet of the tube type heat exchanger 1 is used for being connected with a process low-temperature water source, the tube side outlet of the tube type heat exchanger 1 is connected with the spray header 4 through a pipeline and used for forming a water curtain at the extending end of the air inlet pipe 3, and particularly, the tube side outlet is connected with three annular pipes arranged in the air inlet pipe in parallel through the pipeline.
The utility model discloses a theory of operation does, technology low temperature water (5 ℃) passes shell and tube heat exchanger's tube side by shell and tube heat exchanger's tube side import, and discharge by the tube side export, the warp tube way provides the water source to the shower head, form the three-layer water curtain at the extension end of intake pipe, open explosion-proof axial fan, make ambient air pass the filter screen in proper order, the edulcoration of three-layer water curtain separates the back, get into shell side of shell and tube heat exchanger, with shell and tube heat exchanger's tube, the abundant heat transfer of heat dissipation spine piece, the cooling, then get into explosion-proof analysis cabin through the blast pipe, cool down explosion-proof analysis cabin. The purpose of adjusting and cooling can be realized by adjusting the power of the explosion-proof axial flow fan and the flow of the process low-temperature water.
Claims (5)
1. The utility model provides a refrigerating plant of explosion-proof analysis cabin which characterized in that: comprises a shell and tube heat exchanger (1) and an explosion-proof axial flow fan (2),
the shell side inlet of the tube type heat exchanger (1) is connected with an air inlet pipe (3), the air inlet pipe (3) extends downwards vertically, the extending end is provided with a spray header (4) and a filter screen (5), the shell side outlet of the tube type heat exchanger (1) is connected with an exhaust pipe (6), the downstream end of the exhaust pipe (6) is communicated with the inner space of the explosion-proof analysis cabin,
the anti-explosion axial flow fan (2) is arranged in the air inlet pipe (3), is positioned above the spray header (4) and the filter screen (5) and is used for driving air flow to pass through the shell pass of the tube type heat exchanger (1) and enter the inner space of the anti-explosion analysis cabin,
the tube side inlet of the tube type heat exchanger (1) is used for being connected with a process low-temperature water source, and the tube side outlet of the tube type heat exchanger (1) is connected with the spray header (4) through a pipeline and used for forming a water curtain at the extending end of the air inlet pipe (3).
2. The refrigeration unit of an explosion proof analysis cabin according to claim 1, characterized in that: and heat dissipation ratchet sheets are arranged on the tubes of the tube type heat exchanger (1).
3. The refrigeration unit of an explosion proof analysis cabin according to claim 1, characterized in that: the number of the spray headers (4) is multiple, the spray headers are arranged in multiple layers along the height direction, the spray headers at all layers are equally distributed on the circumference of 360 degrees, and each spray header (4) faces the center of the air inlet pipe (3) along the radial direction.
4. The refrigeration unit of an explosion proof analysis cabin according to claim 1, characterized in that: the exhaust pipe (6) is wrapped with a heat insulation material layer.
5. The refrigeration unit of an explosion proof analysis cabin according to claim 1, characterized in that: the filter screen (5) is positioned below the spray header (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120939211.7U CN214746180U (en) | 2021-04-30 | 2021-04-30 | Refrigerating device of explosion-proof analysis cabin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120939211.7U CN214746180U (en) | 2021-04-30 | 2021-04-30 | Refrigerating device of explosion-proof analysis cabin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214746180U true CN214746180U (en) | 2021-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120939211.7U Active CN214746180U (en) | 2021-04-30 | 2021-04-30 | Refrigerating device of explosion-proof analysis cabin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214746180U (en) |
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2021
- 2021-04-30 CN CN202120939211.7U patent/CN214746180U/en active Active
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