CN217251410U - PP fume chamber is used in corrosion-resistant, high temperature resistant laboratory - Google Patents
PP fume chamber is used in corrosion-resistant, high temperature resistant laboratory Download PDFInfo
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- CN217251410U CN217251410U CN202122959882.2U CN202122959882U CN217251410U CN 217251410 U CN217251410 U CN 217251410U CN 202122959882 U CN202122959882 U CN 202122959882U CN 217251410 U CN217251410 U CN 217251410U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The utility model discloses a PP fume chamber used in corrosion-resistant and high-temperature-resistant laboratories, which comprises a fume chamber, a square mounting plate, an LED lamp bank, a roller shutter, a hook, a base, a movable wheel, a fan, a connecting pipe, a connecting hose, an exhaust pipe, an eye protection cleaning pipe structure, a dustproof net structure and a replaceable harmful gas adsorption filter layer structure which are convenient to replace and disassemble, wherein the left side of the inside of the fume chamber is connected with the square mounting plate through a bolt; the right side of the inner wall of the upper side of the fume hood is connected with an LED lamp bank through a bolt; the upper side of the right part of the fume hood is connected with a roller shutter through a bolt; a hook is connected to a bolt on the lower side of the right part of the fume hood; the lower part of the fume hood is connected with a base through bolts, and four corners of the lower part of the base are respectively connected with a movable wheel through bolts. The utility model discloses the inlet tube, the collecting box, the water valve, the dispersion pipe, the scavenge pipe, the silica gel cover, eye washing protection casing, the setting of drain pipe and water pipe is favorable to realizing the function of urgent washing eye.
Description
Technical Field
The utility model belongs to the technical field of chemical experiment equipment, especially, relate to a PP fume chamber is used in corrosion-resistant, high temperature resistant laboratory.
Background
Chemistry is one of natural science, mainly at molecule, atom level, the composition, nature, structure and the change law of research material create new material, and in the process of creating new material, researcher often need carry out a large amount of chemical experiments, just need to use a PP fume chamber to guarantee laboratory local ventilation in the process of carrying out chemical experiment research.
At present, PP fume hoods are widely applied.
However, the existing PP ventilation cabinet has the problems that the eyes are inconvenient to clean urgently, the dustproof function is inconvenient to realize, and harmful gas is inconvenient to filter.
Therefore, the PP ventilation cabinet for the corrosion-resistant and high-temperature-resistant laboratory is very necessary to be invented.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem who exists, the utility model provides a PP fume chamber is used in corrosion-resistant, high temperature resistant laboratory, wherein the utility model discloses a can realize through following technical scheme:
a corrosion-resistant and high-temperature-resistant PP (polypropylene) fume hood for laboratories comprises a fume hood, a square mounting plate, an LED lamp bank, a roller shutter, a hook, a base, a moving wheel, a fan, a connecting pipe, a connecting hose, an exhaust pipe and an eye protection cleaning pipe structure, wherein a dustproof net structure and a replaceable harmful gas adsorption and filtration layer structure are conveniently replaced and disassembled; the right side of the inner wall of the upper side of the fume hood is connected with an LED lamp bank through a bolt; the upper side of the right part of the fume hood is connected with a roller shutter through a bolt; a hook is connected to a bolt on the lower side of the right part of the fume hood; the lower part of the fume hood is connected with a base through bolts, and four corners of the lower part of the base are respectively connected with movable wheels through bolts; the right part of the fan is connected with a connecting pipe through a bolt; the left part of the fan is connected with an exhaust pipe through a bolt; the eye protection cleaning tube structure is connected with the base; the dust-proof net structure convenient to replace and disassemble is connected with the square-back mounting plate; the replaceable harmful gas adsorption and filtration layer structure is connected with the connecting hose; the eye protection cleaning pipe structure comprises a water inlet pipe, a collecting box, a water valve, a dispersion pipe, a cleaning pipe, a silica gel sleeve, an eye cleaning protective cover, a drain pipe and a tap water pipe, wherein the lower end of the water inlet pipe is in threaded connection with an opening in the middle of the inner wall of the lower side of the collecting box, and the lower end of the water inlet pipe penetrates through the inside of the collecting box and extends to the lower side of the collecting box; the upper end of the water inlet pipe is in threaded connection with a water valve, and the upper end of the water valve is in threaded connection with an opening in the middle of the lower side of the dispersion pipe; openings on the left side and the right side of the upper side of the dispersion pipe are respectively in threaded connection with a cleaning pipe, and the upper side of the outer wall of the cleaning pipe is sleeved with a silica gel sleeve and is in fastening connection through a clamp; the upper end of the silica gel sleeve is integrally connected with an opening at the middle part of the lower part of the eye cleaning protective cover; the right side of the lower part of the collecting box is in threaded connection with a water discharge pipe; the lower end of the water inlet pipe is sleeved with one end of a tap water pipe and is fixedly connected with the tap water pipe through a hoop.
Preferably, the dust-proof net structure convenient to replace and disassemble comprises a fixed plate, a positioning rod, a detachable plate, a wing nut, a dust-proof net, a first air inlet and a second air inlet, wherein the four corners of the right part of the fixed plate are respectively and integrally connected with the positioning rod; through holes are formed in four corners inside the detachable plate, and the detachable plate is sleeved on the outer walls of the four positioning rods through the through holes; the outer wall of the positioning rod is in threaded connection with a wing nut, and the wing nut is positioned on the right part of the detachable plate; a dust screen is arranged between the fixed plate and the detachable plate; the middle part in the fixing plate is sequentially provided with a first air inlet from top to bottom; and a second air inlet is sequentially formed in the middle part of the interior of the detachable plate from top to bottom.
Preferably, the replaceable harmful gas adsorption and filtration layer structure comprises an external thread filtration box, a harmful gas filtration layer, an air suction pipe, an internal thread box cover, an operating rod and an air outlet pipe, wherein the harmful gas filtration layer is arranged in the external thread filtration box; an air suction pipe is connected with an opening at the middle part of the lower part of the external thread filter box in a threaded manner; the external thread filter box is connected with the inner part of the internal thread box cover in a threaded manner; the middle parts of the left side and the right side of the internal thread box cover are connected with operating rods through bolts; the opening of the middle part of the upper part of the internal thread box cover is in threaded connection with an air outlet pipe.
Preferably, the rear part of the collecting box is connected with the middle lower side bolt of the front part of the base by a bolt.
Preferably, the left part of the fixing plate is connected with the right part of the square-shaped mounting plate through a bolt.
Preferably, the lower end of the air suction pipe is in threaded connection with an opening in the left side of the upper portion of the ventilation cabinet, and the air suction pipe is located on the left side of the square-shaped mounting plate.
Preferably, the upper side of the outer wall of the air outlet pipe is sleeved with one end of a connecting hose and is fixedly connected with the upper side of the outer wall of the air outlet pipe through a hoop, and the other end of the connecting hose is sleeved on the right side of the outer wall of the connecting pipe and is fixedly connected with the upper side of the outer wall of the air outlet pipe through the hoop.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses in, inlet tube, collecting box, water valve, dispersion pipe, scavenge pipe, the silica gel cover, the protection casing is washd to the eye, the setting of drain pipe and water pipe is favorable to realizing the function of urgent washing eye.
The utility model discloses in, fixed plate, locating lever, removable board, wing nut, the dust screen, the setting of air inlet one and air inlet two is favorable to realizing the function of dust proof.
The utility model discloses in, the external screw thread filter cartridge, harmful gas filter layer, breathing pipe, the internal thread lid, the setting of action bars and outlet duct is favorable to realizing filtering harmful gas's function.
The utility model discloses in, the setting of LED lamp bank, be favorable to realizing the function of illumination.
The utility model discloses in, the setting of roll up the curtain, be favorable to realizing dirt-proof function.
The utility model discloses in, the setting of removal wheel, be favorable to realizing the function of the mobile device of being convenient for.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the eye protection cleaning tube structure of the present invention.
Fig. 3 is a schematic structural view of the dust-proof net structure of the present invention.
Fig. 4 is a schematic structural view of the replaceable harmful gas adsorption and filtration layer structure of the present invention.
In fig. 1 to 4:
1. a fume hood; 2. a mounting plate shaped like a Chinese character 'hui'; 3. an LED lamp bank; 4. rolling a curtain; 5. hooking; 6. a base; 7. a moving wheel; 8. a fan; 9. a connecting pipe; 10. a connecting hose; 11. an exhaust duct; 12. the eye protection cleaning tube structure; 121. a water inlet pipe; 122. a collection box; 123. a water valve; 124. a dispersion pipe; 125. cleaning the tube; 126. a silica gel sleeve; 127. eye cleaning protective cover; 128. a drain pipe; 129. a tap water pipe; 13. the dust-proof net structure is convenient to replace and disassemble; 131. a fixing plate; 132. positioning a rod; 133. a detachable plate; 134. a wing nut; 135. a dust screen; 136. a first air inlet; 137. a second air inlet; 14. the harmful gas adsorption and filtration layer structure can be replaced; 141. an external thread filter box; 142. a harmful gas filtering layer; 143. an air intake duct; 144. an internal thread box cover; 145. an operating lever; 146. and an air outlet pipe.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings:
as shown in the attached drawings 1 and 2, the corrosion-resistant and high-temperature-resistant laboratory PP ventilation cabinet of the utility model comprises a ventilation cabinet 1, a square-shaped mounting plate 2, an LED lamp bank 3, a roller shutter 4, a hook 5, a base 6, a movable wheel 7, a fan 8, a connecting pipe 9, a connecting hose 10 and an exhaust pipe 11, wherein the square-shaped mounting plate 2 is connected to the left side of the interior of the ventilation cabinet 1 through a bolt; the right side of the inner wall of the upper side of the fume hood 1 is connected with an LED lamp bank 3 through bolts, so that the effect of illumination is achieved; the upper side of the right part of the fume hood 1 is connected with a roller shutter 4 through a bolt, so that the dust-proof effect is achieved; a hook 5 is connected to the lower side bolt of the right part of the fume hood 1; the lower part of the fume hood 1 is in bolted connection with a base 6, and four corners of the lower part of the base 6 are respectively in bolted connection with movable wheels 7, so that the fume hood has the function of moving equipment conveniently; the right part of the fan 8 is connected with a connecting pipe 9 through a bolt; the left part of the fan 8 is connected with an exhaust pipe 11 through a bolt.
One of the corrosion-resistant and high-temperature-resistant laboratory PP ventilation hood further comprises an eye protection cleaning pipe structure 12, a dust-proof net structure 13 and a replaceable harmful gas adsorption and filtration layer structure 14 are convenient to replace and disassemble, and the eye protection cleaning pipe structure 12 is connected with the base 6; the dust-proof net structure 13 convenient to replace and disassemble is connected with the square-back mounting plate 2; the replaceable harmful gas adsorption and filtration layer structure 14 is connected with the connecting hose 10, and is beneficial to realizing the functions of emergency eye cleaning, dust prevention and harmful gas filtration.
The eye protection cleaning tube structure 12 comprises a water inlet tube 121, a collection box 122, a water valve 123, a dispersion tube 124, a cleaning tube 125, a silica gel sleeve 126, an eye cleaning protective cover 127, a water discharge tube 128 and a tap water tube 129, wherein the lower end of the water inlet tube 121 is in threaded connection with an opening in the middle of the inner wall of the lower side of the collection box 122, and the lower end of the water inlet tube 121 penetrates through the interior of the collection box 122 and extends to the lower side of the collection box 122; the upper end of the water inlet pipe 121 is in threaded connection with a water valve 123, and the upper end of the water valve 123 is in threaded connection with an opening in the middle of the lower side of the dispersion pipe 124; the left and right openings on the upper side of the dispersion pipe 124 are respectively in threaded connection with a cleaning pipe 125, and the upper side of the outer wall of the cleaning pipe 125 is sleeved with a silica gel sleeve 126 and is fastened and connected through a hoop; the upper end of the silica gel sleeve 126 is integrally connected with an opening at the middle part of the lower part of the eye cleaning protective cover 127; the right side of the lower part of the collecting tank 122 is in threaded connection with a drain pipe 128; the lower end of the water inlet pipe 121 is sleeved with one end of a tap water pipe 129 and is fastened and connected through a clamp, when experimental researchers carelessly splash chemicals into eyes, the eyes can be timely leaned on the upper side of the eye cleaning protective cover 127, then the water valve 123 is opened, tap water can enter the water inlet pipe 121 through the tap water pipe 129 at the moment, then enter the dispersion pipe 124 through the water valve 123, and finally flow into the eye cleaning protective cover 127 through the cleaning pipe 125, so that the function of emergency eye cleaning is achieved.
In this embodiment, referring to fig. 3, the dust-proof net structure 13 includes a fixing plate 131, a positioning rod 132, a detachable plate 133, a wing nut 134, a dust-proof net 135, a first air inlet 136 and a second air inlet 137, wherein the positioning rod 132 is integrally connected to four corners of the right portion of the fixing plate 131; through holes are formed in four corners inside the detachable plate 133, and the detachable plate 133 is sleeved on the outer walls of the four positioning rods 132 through the through holes; the outer wall of the positioning rod 132 is connected with a wing nut 134 in a threaded manner, and the wing nut 134 is positioned at the right part of the detachable plate 133; a dust screen 135 is arranged between the fixed plate 131 and the detachable plate 133; the middle part inside the fixing plate 131 is sequentially provided with a first air inlet 136 from top to bottom; the inside middle part from the top down of removable board 133 seted up air inlet two 137 in proper order, after fume chamber 1 used for a long time, the dust can pollute the inside left side of fume chamber 1 to be difficult to the clearance, accessible dust screen 135 filters the inside left air that gets into fume chamber 1 this moment, thereby avoids the dust to adhere to the inside left side of fume chamber 1, realizes dirt-proof function.
In this embodiment, as shown in fig. 4, the replaceable harmful gas adsorption and filtration layer structure 14 includes an external thread filtration box 141, a harmful gas filtration layer 142, an air suction pipe 143, an internal thread box cover 144, an operation rod 145 and an air outlet pipe 146, and the harmful gas filtration layer 142 is disposed inside the external thread filtration box 141; an air suction pipe 143 is connected with an opening at the middle part of the lower part of the external thread filter box 141 through screw threads; the external thread filter box 141 is connected with the inner part of the internal thread box cover 144 in a threaded manner; the middle parts of the left side and the right side of the internal thread box cover 144 are both connected with operating rods 145 through bolts; internal thread lid 144, upper portion middle part opening part threaded connection has outlet duct 146, when ventilating fume chamber 1, at first, start through external control panel control fan 8, the inside negative pressure that produces of fume chamber 1 this moment, the chemical gas that the inside experiment of fume chamber 1 produced then can get into inside the external screw thread filter cartridge 141 through breathing pipe 143 afterwards, and filter chemical gas through harmful gas filter layer 142, thereby adsorb harmful gas, the chemical gas after filtering passes through outlet duct 146 afterwards, coupling hose 10 and coupling pipe 9 get into inside fan 8, the chemical gas that fan 8 will be handled and accomplish at last passes through exhaust pipe 11 and arranges to the atmosphere, realize getting rid of harmful gas's function.
In this embodiment, specifically, the other end of the tap water pipe 129 is sleeved on an external tap water faucet and fastened by a clamp.
In this embodiment, specifically, the drainage pipe 128 is connected to an external sewer pipeline, so as to facilitate drainage.
In this embodiment, specifically, the eye cleaning protective cover 127 is a silicone cover with a circular cross section, which plays a role in avoiding scratching the eyes.
In this embodiment, specifically, the fixed plate 131 and the detachable plate 133 both adopt PP plates, and have the effects of corrosion resistance and high temperature resistance.
In this embodiment, specifically, the dust screen 135 is a nylon filter screen.
In this embodiment, specifically, the harmful gas filter layer 142 is an activated carbon filter layer.
In this embodiment, specifically, fume chamber 1 adopt the PP cabinet, play corrosion-resistant, high temperature resistant effect to make fume chamber 1's life longer.
In this embodiment, specifically, the connection hose 10 is an aluminum foil hose.
In this embodiment, specifically, the movable wheel 7 is a movable universal wheel capable of being braked.
In this embodiment, specifically, the roller shutter 4 is a transparent PE film roller shutter, and the experimental researchers can pull down the curtain fabric through a handle on the roller shutter 4, and finally hang the handle on the hook 5, so that the curtain fabric is always in an unfolded state.
In this embodiment, the blower 8 is an FV-15VU1C type blower.
In this embodiment, specifically, the LED light bank 3 adopts a white light LED light bank.
In this embodiment, specifically, the LED light bank 3 and the fan 8 are electrically connected to an external control panel.
Principle of operation
In the utility model, when the experimental researchers carelessly splash the chemicals into eyes, the two eyes can be timely leaned on the upper side of the eye cleaning protective cover 127, then the water valve 123 is opened, at the moment, the tap water enters the water inlet pipe 121 through the tap water pipe 129, then enters the dispersion pipe 124 through the water valve 123, and finally flows into the eye cleaning protective cover 127 through the cleaning pipe 125, so that the function of cleaning eyes urgently is realized; after the fume hood 1 is used for a long time, the left side inside the fume hood 1 is polluted by dust, so that the dust is difficult to clean, and air entering the left side inside the fume hood 1 can be filtered through the dust screen 135, so that the dust is prevented from being attached to the left side inside the fume hood 1, and a dust prevention function is realized; when ventilating fume chamber 1, at first start through external control panel control fan 8, the inside negative pressure that produces of fume chamber 1 this moment, the chemical gas that the inside experiment of fume chamber 1 produced then can get into inside the external screw thread filter cartridge 141 through breathing pipe 143 afterwards, and filter chemical gas through harmful gas filter layer 142, thereby adsorb harmful gas, the chemical gas after filtering afterwards passes through outlet duct 146, connecting hose 10 and connecting pipe 9 get into inside fan 8, chemical gas that fan 8 will handle the completion at last passes through exhaust pipe 11 and arranges to the atmosphere, realize getting rid of harmful gas's function.
Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.
Claims (7)
1. The PP ventilation cabinet for the corrosion-resistant and high-temperature-resistant laboratory is characterized by comprising a ventilation cabinet (1), a square mounting plate (2), an LED lamp bank (3), a roller shutter (4), a hook (5), a base (6), a movable wheel (7), a fan (8), a connecting pipe (9), a connecting hose (10), an exhaust pipe (11), an eye protection cleaning pipe structure (12), a dust-proof net structure (13) and a replaceable harmful gas adsorption filtering layer structure (14), wherein the square mounting plate (2) is connected to the left side of the inside of the ventilation cabinet (1) through a bolt; the right side of the inner wall of the upper side of the fume hood (1) is connected with an LED lamp bank (3) through a bolt; the upper side of the right part of the fume hood (1) is connected with a roller shutter (4) through a bolt; a hook (5) is connected to the lower side of the right part of the fume hood (1) through a bolt; the lower part of the fume hood (1) is connected with a base (6) through bolts, and four corners of the lower part of the base (6) are respectively connected with a movable wheel (7) through bolts; the right part of the fan (8) is connected with a connecting pipe (9) through a bolt; the left part of the fan (8) is connected with an exhaust pipe (11) through a bolt; the eye protection cleaning tube structure (12) is connected with the base (6); the dust-proof net structure (13) convenient to replace and disassemble is connected with the square-shaped mounting plate (2); the replaceable harmful gas adsorption and filtration layer structure (14) is connected with the connecting hose (10); the eye protection cleaning tube structure (12) comprises a water inlet tube (121), a collecting box (122), a water valve (123), a dispersion tube (124), a cleaning tube (125), a silica gel sleeve (126), an eye cleaning protective cover (127), a water drain tube (128) and a tap water tube (129), wherein the lower end of the water inlet tube (121) is in threaded connection with an opening in the middle of the inner wall of the lower side of the collecting box (122), and the lower end of the water inlet tube (121) penetrates through the inside of the collecting box (122) and extends to the lower side of the collecting box (122); the upper end of the water inlet pipe (121) is in threaded connection with a water valve (123), and the upper end of the water valve (123) is in threaded connection with an opening in the middle of the lower side of the dispersion pipe (124); openings on the left side and the right side of the upper side of the dispersion pipe (124) are respectively in threaded connection with a cleaning pipe (125), and a silica gel sleeve (126) is sleeved on the upper side of the outer wall of the cleaning pipe (125) and is fastened and connected through a hoop; the upper end of the silica gel sleeve (126) is integrally connected with an opening at the middle part of the lower part of the eye cleaning protective cover (127); the right side of the lower part of the collecting box (122) is connected with a water drainage pipe (128) through screw threads; the lower end of the water inlet pipe (121) is sleeved with one end of a tap water pipe (129) and is fixedly connected through a hoop.
2. The PP ventilation cabinet for corrosion-resistant and high-temperature-resistant laboratories according to claim 1, wherein the dust-proof net structure (13) comprises a fixed plate (131), a positioning rod (132), a detachable plate (133), a wing nut (134), a dust-proof net (135), a first air inlet (136) and a second air inlet (137), wherein the positioning rod (132) is integrally connected to four corners of the right part of the fixed plate (131); through holes are formed in four corners inside the detachable plate (133), and the detachable plate (133) is sleeved on the outer walls of the four positioning rods (132) through the through holes; the outer wall of the positioning rod (132) is in threaded connection with a wing nut (134), and the wing nut (134) is positioned on the right part of the detachable plate (133); a dust screen (135) is arranged between the fixed plate (131) and the detachable plate (133); the middle part inside the fixing plate (131) is sequentially provided with a first air inlet (136) from top to bottom; and a second air inlet (137) is sequentially formed in the middle part in the detachable plate (133) from top to bottom.
3. The PP ventilation cabinet for corrosion-resistant and high-temperature-resistant laboratories according to claim 1, wherein the replaceable harmful gas adsorption and filtration layer structure (14) comprises an external thread filter box (141), a harmful gas filtration layer (142), an air suction pipe (143), an internal thread box cover (144), an operating rod (145) and an air outlet pipe (146), wherein the harmful gas filtration layer (142) is arranged inside the external thread filter box (141); an opening at the middle part of the lower part of the external thread filter box (141) is connected with an air suction pipe (143) in a threaded manner; the external thread filter box (141) is connected with the inside of the internal thread box cover (144) in a threaded manner; the middle parts of the left side and the right side of the internal thread box cover (144) are respectively connected with an operating rod (145) through bolts; the opening of the middle part of the upper part of the internal thread box cover (144) is in threaded connection with an air outlet pipe (146).
4. The PP fumehood for corrosion-resistant and high-temperature-resistant laboratories according to claim 1, wherein the rear portion of the collection box (122) is connected with the middle lower bolt in the front portion of the base (6).
5. The PP ventilation cabinet for the corrosion-resistant and high-temperature-resistant laboratory according to claim 2, wherein the left part of the fixing plate (131) is connected with the right part of the square-shaped mounting plate (2) through a bolt.
6. The PP ventilation cabinet for the corrosion-resistant and high-temperature-resistant laboratories is characterized in that the lower end of the air suction pipe (143) is in threaded connection with the upper left opening of the ventilation cabinet (1), and the air suction pipe (143) is located on the left side of the square-shaped mounting plate (2).
7. The PP ventilation cabinet for the corrosion-resistant and high-temperature-resistant laboratory according to claim 3, wherein one end of the connecting hose (10) is sleeved on the upper side of the outer wall of the air outlet pipe (146) and is tightly connected through a clamp, and the other end of the connecting hose (10) is sleeved on the right side of the outer wall of the connecting pipe (9) and is tightly connected and arranged through the clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122959882.2U CN217251410U (en) | 2021-11-29 | 2021-11-29 | PP fume chamber is used in corrosion-resistant, high temperature resistant laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122959882.2U CN217251410U (en) | 2021-11-29 | 2021-11-29 | PP fume chamber is used in corrosion-resistant, high temperature resistant laboratory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217251410U true CN217251410U (en) | 2022-08-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122959882.2U Active CN217251410U (en) | 2021-11-29 | 2021-11-29 | PP fume chamber is used in corrosion-resistant, high temperature resistant laboratory |
Country Status (1)
| Country | Link |
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| CN (1) | CN217251410U (en) |
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2021
- 2021-11-29 CN CN202122959882.2U patent/CN217251410U/en active Active
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