CN210303694U - Temporary storage device for dangerous wastes in laboratory - Google Patents

Abstract

The utility model provides a laboratory hazardous waste temporary storage device, including the case of keeping in, exhaust purification processing apparatus, the base, the inside of base is provided with the weeping collecting pit, the case of keeping in sets up on the base, exhaust purification processing apparatus is located case one side of keeping in, the inside of the case of keeping in sets gradually the solid waste deposit room, the spoil deposit room, toxicity waste liquid deposit room, strong corrosive waste liquid deposit room, the inside storage rack that is provided with of solid waste deposit room, be provided with the freezing case in the spoil deposit room, the toxicity waste liquid deposit room, all be provided with the storage cabinet in the strong corrosive waste liquid deposit room. The storage rack of the utility model hangs the containing barrel or the bag on the storage rack, thereby saving the physical labor and the space of the storage cabinet; the arranged storage cabinet can effectively prevent leakage accidents from happening, and the storage safety is improved; utilize exhaust purification processing apparatus to purify the interior volatile poisonous and harmful gas of bin, can avoid the discharge back harm crowd's around the poisonous and harmful gas health.

Description

Temporary storage device for dangerous wastes in laboratory

Technical Field

The utility model relates to a laboratory discarded object storage facilities technical field especially relates to a laboratory hazardous waste temporary storage device.

Background

When laboratories of higher schools and scientific research institutions carry out experiments, a large amount of solid dangerous waste and highly corrosive waste liquid are generated, before harmless treatment is carried out, the solid dangerous waste needs to be contained in a specific containing barrel or bag, the highly corrosive waste liquid needs to be contained in a specific glass bottle or glass tank, the containing barrel or bag, the glass bottle or glass tank is temporarily stored in a storage cabinet, and when workers stack the containing barrel or bag in the storage cabinet, the storage cabinet occupies more storage cabinet space, and the workers are inconvenient to stack or carry; during storage, as the glass bottle or the glass tank containing the strong corrosive waste liquid is not effectively fixed, once the storage cabinet vibrates, the glass bottle or the glass tank in the storage cabinet topples over, so that the strong corrosive waste liquid in the glass bottle or the glass tank can be leaked; when the hazardous waste is stored, toxic and harmful gases can be volatilized, if the hazardous waste is directly discharged without being treated, the surrounding environment can be polluted, and the volatilized toxic and harmful gases can also harm the health of nearby human bodies.

Disclosure of Invention

In view of the above, there is a need for a temporary storage device for hazardous waste in a laboratory.

A temporary storage device for dangerous wastes in a laboratory comprises a temporary storage box, a waste gas purification treatment device and a foundation base, wherein a leakage liquid collecting pool is arranged in the foundation base and is communicated with the temporary storage box through a pipeline to collect liquid leaked in the temporary storage box, the temporary storage box is arranged on the foundation base, the waste gas purification treatment device is arranged on the foundation base and is positioned at one side of the temporary storage box, and the waste gas purification treatment device extracts toxic and harmful gas volatilized in the temporary storage box and discharges the toxic and harmful gas after purification treatment;

an entrance door is arranged on the surface of one side of the temporary storage box far away from the waste gas purification treatment device, a control cabinet is arranged on one side of the entrance door, an emergency escape door is arranged at one end of the temporary storage box close to the waste gas purification treatment device, a fireproof heat-insulating layer is arranged on the inner wall of the temporary storage box, a walking corridor is arranged in the temporary storage box along the length direction of the temporary storage box, the inlet end of the walking corridor is communicated with the entrance door, the outlet end of the walking corridor is communicated with the emergency escape door, a solid waste storage chamber, an animal carcass storage chamber, a toxic waste liquid storage chamber, a highly corrosive waste liquid storage chamber, a solid waste storage chamber, an animal carcass storage chamber, a toxic waste liquid storage chamber and a highly corrosive waste liquid storage chamber are sequentially arranged in the temporary storage box along the length direction of the walking corridor, and are respectively communicated with the leakage liquid collecting pool and the waste gas purification treatment device, The top parts of the toxic waste liquid storage chamber and the strong corrosive waste liquid storage chamber are provided with ventilation shutters;

the inside storage rack that is provided with of solid waste storage chamber, and the storage rack passes through pipeline and weeping collecting pit intercommunication, is provided with the freezer in the spoil storage chamber, all is provided with in toxicity waste liquid storage chamber, the strong corrosive waste liquid storage chamber and stores the cabinet, and the pipeline is passed through at the top of storing the cabinet and exhaust purification processing apparatus intercommunication, and pipeline and weeping collecting pit intercommunication are passed through to the bottom of storing the cabinet.

Preferably, the storage rack comprises a rack body, a lifting device, a suspension device and a power device, wherein the lifting device is vertically and fixedly arranged on two sides of the bottom of one end of the rack body; the suspension device comprises at least two suspension parts and at least two rotating parts, one ends of the at least two rotating parts are connected with a power device fixedly arranged at one end of the frame body far away from one end of the lifting device through chains, the at least two rotating parts penetrate through the frame body and are arranged along the direction of the short side of the frame body, the at least two rotating parts are connected with a rotating shaft of the frame body, the at least two rotating parts are distributed along the uniform equal distance of the long side direction of the frame body, the at least two suspension parts are fixedly arranged on the at least two rotating parts, the at least two rotating parts rotate and drive the at least two suspension parts to rotate, the at least two suspension parts hook the containing barrel, and the containing barrel is suspended on the.

Preferably, the at least two rotating parts comprise rotating shafts, the rotating shafts penetrate through the frame body and are arranged along the short side direction of the frame body, the rotating shafts are connected with rotating shafts of the frame body, the rotating shafts are uniformly and equidistantly distributed along the long side direction of the frame body, the two ends of each rotating shaft are fixedly provided with a transmission chain wheel, the transmission chain wheels are positioned on the outer side of the frame body, the transmission chain wheels on each rotating shaft are sequentially connected through transmission chains, a pair of rotating wheels are fixedly arranged on the rotating shafts along the axial direction of the rotating shafts, the pair of rotating wheels are positioned between the transmission chain wheels, the distances between the pair of rotating wheels and the two ends of the rotating shafts are equal, the rotating wheels are; the at least two hanging parts comprise hanging rods and hooks, the hanging rods are arranged along the short edge direction of the frame body and fixedly connected with the hoisting chains, rolling wheels are arranged at two ends of the hanging rods and connected with hanging rod bearings, and the hooks are fixedly arranged on the hanging rods and located between a pair of rotating wheels.

Preferably, the support guide plate is fixedly arranged on the frame body, the support guide plate is arranged along the long side direction of the frame body, the support guide plate is positioned under the roller, and the roller is in contact with the support guide plate and can roll along the support guide plate; a guide groove is formed in the surface of one end, located on the lifting device, of the frame body; the bottom of support body is provided with the collecting tank, and the collecting tank passes through pipeline and weeping collecting pit intercommunication.

Preferably, the storage cabinet comprises a cabinet body, a cabinet door is arranged on one side surface of the cabinet body, an exhaust pipe is arranged at the top of the cabinet body, support pieces are fixedly arranged in the cabinet body from top to bottom in sequence at equal intervals, the upper surface of each support piece is parallel to the bottom surface of the cabinet body, the support pieces are hollow, the upper surface of each support piece is inwards recessed, a groove is formed in the middle of each support piece, surrounding edges are formed on the periphery of each support piece, leakage holes are formed in the bottoms of the grooves and communicated with the inside of each support piece, a sliding groove is formed in each surrounding edge, each sliding groove is arranged in the long edge direction of each surrounding edge, a liquid discharge pipe is arranged on one side surface, opposite to the cabinet door, of the cabinet body and penetrates through the cabinet body to be communicated with the inside of each support piece, and; the fixed part comprises a fixed caliper, a sliding caliper and a lock pin, the fixed caliper and the sliding caliper are arranged in opposite directions, two clamping grooves are correspondingly arranged on the surface of the fixed caliper contacted with the sliding caliper, the fixed caliper is fixed on the surface of the upper portion of the surrounding edge through a bolt, the fixed caliper is arranged along the direction of the short edge of the surrounding edge, a connecting rod is fixedly arranged on the surface of the fixed caliper contacted with the sliding caliper and is positioned between the two clamping grooves, a sliding rod is vertically and fixedly arranged on the bottom surface of the sliding caliper and is embedded into the sliding groove and can slide along the sliding groove, a pin hole is arranged on the surface of the upper portion of the sliding caliper, a positioning hole is arranged on the surface of the sliding caliper contacted with the fixed caliper, the sliding caliper slides, the connecting rod is inserted into the positioning hole, the fixed caliper is connected with the sliding, the fixed caliper and the sliding caliper are fixed.

Preferably, one end of the connecting rod, which is far away from the fixed calipers, is provided with a positioning groove, and the size of the positioning groove is matched with that of the lock pin; one end of the sliding rod, which is far away from the sliding calipers, is provided with a rolling ball, and the size of the rolling ball is matched with that of the sliding chute; the upper surface of the support piece is in a step shape, at least two step surfaces are formed on the upper surface of the support piece, the step surface of the support piece, which is close to the cabinet door, is lower than the step surface far away from the cabinet door, each step surface is inwards recessed, a groove is formed in the middle of each step surface, and surrounding edges are formed on the periphery of each step surface; the support piece bottom surface sets up in the slope, and the support piece bottom surface is higher than the one end of keeping away from the cabinet door near the one end of cabinet door.

Preferably, the waste gas purification treatment device comprises an acid mist absorption tower, an activated carbon adsorption tank and an exhaust fan, wherein the exhaust fan is electrically connected with a control cabinet, the exhaust fan can be controlled by the control cabinet, the acid mist absorption tower is arranged on one side of the exhaust fan, the activated carbon adsorption tank is arranged on the other side of the exhaust fan, the inlet end of the exhaust fan is communicated with the outlet end of the activated carbon adsorption tank through a pipeline, the outlet end of the exhaust fan is communicated with the inlet end of the acid mist absorption tower through a pipeline, an air inlet is formed in the upper part of one side surface of the activated carbon adsorption tank, which is far away from the exhaust fan, an air outlet is formed in the lower part of one side surface of the activated carbon adsorption tank, which is close to the exhaust fan, the air outlet is communicated with the inlet end of the exhaust fan through a pipeline, an adsorption channel is fixedly, An absorption liquid storage tank and a circulating pump, wherein the absorption liquid storage tank is arranged on one side of an exhaust fan far away from an active carbon adsorption tank, a tower body is fixedly arranged above the active carbon adsorption tank, the circulating pump is arranged on one side of the absorption liquid storage tank, the inlet end of the circulating pump is communicated with the inside of the absorption liquid storage tank, the outlet end is communicated with the upper part of the tower body, a smoke exhaust pipe is fixedly arranged at the top of the tower body and is communicated with the inside of the tower body, a liquid return pipe is arranged at the bottom of the tower body, one end of the liquid return pipe is communicated with the bottom of the tower body, the other end of the liquid return pipe is communicated with the absorption liquid storage tank, a waste gas inlet is arranged at the lower part of the tower body and is positioned above the liquid return pipe, a liquid separation disc is fixedly arranged above the inside of the tower body, and the gas-liquid mixing disc is positioned right below the liquid separating disc.

Preferably, the adsorption channel comprises straight channels and connecting elbows, the straight channels are sequentially arranged at equal intervals from top to bottom along the inside of the activated carbon adsorption box, the straight channels are parallel to the bottom surface of the activated carbon adsorption box, and the connecting elbows are used for communicating the upper straight channel with the lower straight channel, so that the whole adsorption channel is S-shaped; the straight channel comprises a shell, wherein a transverse gas baffle is fixedly arranged in the short side direction of the shell of the inner hole of the shell, the transverse gas baffles are sequentially arranged in the long side direction of the shell at equal intervals, the inner part of the shell is divided into at least two cavities by the transverse gas baffle, an activated carbon storage pipe is fixedly arranged in each cavity, and a vent hole is formed in each activated carbon storage pipe; and the transverse gas baffle plates are provided with gas flowing holes, and the gas flowing holes in the front transverse gas baffle plate and the rear transverse gas baffle plate are arranged in a staggered manner.

Preferably, the gas-liquid mixing disc comprises a fixed ring, a first liquid separating plate, a second liquid separating plate, a first gas-liquid mixing plate and a second gas-liquid mixing plate, the fixed ring is fixedly arranged on the inner wall of the tower body, the outer wall of the fixed ring is tightly attached to the inner wall of the tower body, the first liquid separation plate is horizontally and fixedly arranged at one end of the fixed ring, the second liquid separation plate is horizontally and fixedly arranged at the other end of the fixed ring, holes are formed in the first liquid separation plate and the second liquid separation plate, the first gas-liquid mixing plate and the second gas-liquid mixing plate are fixedly arranged between the first liquid separation plate and the second liquid separation plate, and a space is reserved between the first gas-liquid mixing plate and the second gas-liquid mixing plate, the first gas-liquid mixing plate is close to the first liquid separating plate, the second gas-liquid mixing plate is close to the second liquid separating plate, annular holes are arranged on the first gas-liquid mixing plate and the second gas-liquid mixing plate, and the annular holes on the first gas-liquid mixing plate and the annular holes on the second gas-liquid mixing plate are arranged in a staggered manner.

Preferably, the top of temporary storage box is provided with the canopy, is provided with the rail around the canopy, and the one end that the rail is located the access door is provided with the electrically operated gate, and the one end that the cabinet of keeping in is located the access door is provided with the refrigeration cabinet, refrigeration cabinet and switch board electric connection, and the accessible switch board is controlled the refrigeration cabinet, and the refrigeration cabinet passes through the pipeline respectively with solid waste deposit room, spoil deposit room, toxicity waste liquid deposit room, strong corrosivity waste liquid deposit room intercommunication.

The utility model adopts the above technical scheme, its beneficial effect lies in: the utility model comprises a temporary storage box, a waste gas purification treatment device and a foundation base, wherein a leakage liquid collecting pool is arranged inside the foundation base, the leakage liquid collecting pool is communicated with the inside of the temporary storage box through a pipeline to collect the liquid leaked in the temporary storage box, the temporary storage box is arranged on the foundation base, the waste gas purification treatment device is arranged on the foundation base and is positioned at one side of the temporary storage box, and the waste gas purification treatment device extracts the toxic and harmful gas volatilized in the temporary storage box and discharges the gas after purification treatment; an entrance door is arranged on the surface of one side of the temporary storage box far away from the waste gas purification treatment device, a control cabinet is arranged on one side of the entrance door, an emergency escape door is arranged at one end of the temporary storage box close to the waste gas purification treatment device, a fireproof heat-insulating layer is arranged on the inner wall of the temporary storage box, a walking corridor is arranged in the temporary storage box along the length direction of the temporary storage box, the inlet end of the walking corridor is communicated with the entrance door, the outlet end of the walking corridor is communicated with the emergency escape door, a solid waste storage chamber, an animal carcass storage chamber, a toxic waste liquid storage chamber, a highly corrosive waste liquid storage chamber, a solid waste storage chamber, an animal carcass storage chamber, a toxic waste liquid storage chamber and a highly corrosive waste liquid storage chamber are sequentially arranged in the temporary storage box along the length direction of the walking corridor, and are respectively communicated with the leakage liquid collecting pool and the waste gas purification treatment device, The top parts of the toxic waste liquid storage chamber and the strong corrosive waste liquid storage chamber are provided with ventilation shutters; the inside storage rack that is provided with of solid waste storage chamber, and the storage rack passes through pipeline and weeping collecting pit intercommunication, is provided with the freezer in the spoil storage chamber, all is provided with in toxicity waste liquid storage chamber, the strong corrosive waste liquid storage chamber and stores the cabinet, and the pipeline is passed through at the top of storing the cabinet and exhaust purification processing apparatus intercommunication, and pipeline and weeping collecting pit intercommunication are passed through to the bottom of storing the cabinet. The utility model can save the tedious physical labor of carrying the storage rack by hanging the containing barrel or the bag on the storage rack through the storage rack which is automatically operated, can save the space of the storage cabinet by hanging the containing barrel or the bag, can separately store the solid wastes with different chemical properties and physical properties according to the use requirements, and effectively improve the storage safety of the solid dangerous wastes through reasonable storage; the storage cabinet can firmly fix the glass bottle or glass jar containing the strong corrosive waste liquid in the storage cabinet, so that the glass bottle or glass jar can be effectively prevented from being toppled, the leakage accident of the strong corrosive waste liquid caused by toppling of the glass bottle or glass jar is avoided, and the safety of storing the strong corrosive waste liquid is improved; utilize exhaust purification processing apparatus for volatile poisonous and harmful gas is purified in the bin, and the tail gas that not only can discharge accords with national exhaust emission standard, can avoid moreover harmful gas to discharge the back harm crowd's around health.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of fig. 1 from another angle.

Fig. 3 is a schematic sectional structure view of fig. 1.

Fig. 4 is a schematic structural view of the storage cabinet of the present invention.

Fig. 5 is a schematic structural view of the inside of the storage cabinet of the present invention.

Fig. 6 is the schematic view of the sectional structure of the cabinet body connected to the supporting plate.

Fig. 7 is a schematic structural view of the fixing member of the present invention.

Fig. 8 is a schematic structural view of another state of fig. 7.

Fig. 9 is a schematic structural view of fig. 8 at another angle.

Fig. 10 is a partial enlarged view of a portion a in fig. 6.

Fig. 11 is a schematic structural view of the storage rack of the present invention.

Fig. 12 is a partial enlarged view at B in fig. 11.

Fig. 13 is a schematic structural view of the present invention when the bucket is hung.

Fig. 14 is a schematic structural view of the suspension device of the present invention.

Fig. 15 is a schematic structural view of the suspension member of the present invention.

Fig. 16 is a schematic structural view of the rotating member of the present invention.

Fig. 17 is a schematic structural view of the exhaust gas purification apparatus of the present invention.

Fig. 18 is a schematic view of the structure of fig. 17 at another angle.

Fig. 19 is a schematic sectional view of the activated carbon adsorption tank of the present invention.

Fig. 20 is a schematic sectional view of a straight channel according to the present invention.

Fig. 21 is a schematic sectional view of the acid mist absorption tower of the present invention.

Fig. 22 is a schematic sectional view of the gas-liquid mixing disk according to the present invention.

In the figure: the cabinet 10, the cabinet door 101, the exhaust pipe 102, the support member 103, the groove 1031, the skirt 1032, the liquid leakage hole 1033, the sliding groove 1034, the liquid discharge pipe 104, the fixing member 105, the fixing caliper 1051, the connecting rod 10511, the positioning groove 10512, the sliding caliper 1052, the sliding rod 10521, the pin hole 10522, the positioning hole 10523, the rolling ball 10524, the locking pin 1053, the burial cavity 106, the storage rack 20, the rack body 201, the supporting guide plate 2011, the liquid collecting groove 2012, the lifting device 202, the electric lifting column 2021, the storage plate 2022, the suspension device 203, at least two suspension members 2031, the hanging rod 20311, the hanging hook 12, the roller 20313, at least two rotation members 2032, the rotation shaft 20321, the transmission sprocket 20322, a pair of rotation wheels 20323, the hoisting chain 20324, the power device 204, the acid mist absorption tower 30, the tower body 301, the absorption liquid storage box 302, the circulation pump 303, the smoke discharge pipe 304, the liquid return pipe 305, the liquid distribution tray 306, the gas, The device comprises a second liquid separation plate 3073, a first gas-liquid mixing plate 3074, a second gas-liquid mixing plate 3075, a hole 3076, an annular hole 3077, an activated carbon adsorption tank 40, a gas inlet 401, a gas outlet 402, an adsorption channel 403, a straight channel 4031, a shell 40311, a transverse gas baffle 40312, an activated carbon storage pipe 40313, a gas flow hole 40314, a connecting elbow 4032, an exhaust fan 50, a base seat 60, a leakage liquid collecting tank 601, a refrigeration cabinet 70, a rain shelter 80, a fence 801, an electric door 802, a temporary storage tank 90, an access door 901, an emergency escape door 902, a ventilation shutter 903 and a control cabinet 904.

Detailed Description

Referring to fig. 1 to 22, an embodiment of the present invention provides a temporary storage device for hazardous waste in a laboratory, including a temporary storage box 90, a waste gas purification processing device, and a base 60, wherein a leakage collecting pool 601 is disposed inside the base 60, the leakage collecting pool 601 is communicated with the inside of the temporary storage box 90 through a pipeline, and collects the liquid leaked in the temporary storage box 90, the temporary storage box 90 is disposed on the base 60, the waste gas purification processing device is disposed on the base 60 and located at one side of the temporary storage box 90, and the waste gas purification processing device extracts the toxic and harmful gas volatilized in the temporary storage box 90 and discharges the toxic and harmful gas after purification processing;

an access door 901 is arranged on the surface of one side of the temporary storage box 90, which is far away from the exhaust gas purification treatment device, one side of the access door 901 is provided with a control cabinet 904, the control cabinet 904 is a PLC control cabinet, parameters can be set according to requirements, parameters of each sensor can be automatically detected in real time, and functions of intelligently controlling the exhaust rate, exhaust gas treatment, entrance guard illumination, early warning alarm, temperature control and the like are achieved; the one end that the case 90 is close to exhaust purification processing apparatus that keeps in is provided with emergency escape door 902, and this emergency escape door 902 can only be opened from the inside of case 90 that keeps in, and emergency lighting lamp and emergency exit pilot lamp are equipped with to emergency escape door top, make things convenient for personnel to withdraw under the emergency. The inner wall of the temporary storage box 90 is provided with a fireproof heat-insulating layer, the filling inside the fireproof heat-insulating layer is 3 heat-insulating flame-retardant fibers with the density not lower than 128Kg/m, a walking corridor is arranged along the length direction of the temporary storage box 90 for preventing the internal temperature from overheating when the sunlight irradiates, the inlet end of the walking corridor is communicated with the access door 901, the outlet end of the walking corridor is communicated with the emergency escape door 902, the inside of the temporary storage box 90 is sequentially provided with a solid waste storage chamber, an animal carcass storage chamber, a toxic waste liquid storage chamber and a strong corrosive waste liquid storage chamber along the length direction of the walking corridor, the solid waste storage chamber, the animal carcass storage chamber, the toxic waste liquid storage chamber and the strong corrosive waste liquid storage chamber are respectively communicated with the leakage liquid collecting pool 601 and the waste gas purification treatment device through pipelines, the tops of the solid waste storage chamber, the animal carcass storage chamber, the toxic waste liquid storage chamber and the strong corrosive waste liquid storage chamber are all, an insect and mouse prevention net is added inside the ventilation shutter 903 and used for introducing fresh air; the ventilation shutter 903 is connected with a fan, the fan is provided with an openable and closable air valve, ventilation can be manually opened in a power failure environment, and the fan is electrically connected with the control cabinet 904 and can be controlled through a button on the control cabinet 904; the top of the temporary storage box 90 is provided with a rain shelter 80, a fence 801 is arranged along the periphery of the rain shelter 80, one end, positioned at an entrance door 901, of the fence 801 is provided with an electric door 802, one end, positioned at the entrance door 901, of the temporary storage cabinet is provided with a refrigeration cabinet 70, the refrigeration cabinet 70 is electrically connected with a control cabinet 904, the refrigeration cabinet 70 can be controlled through the control cabinet 904, the refrigeration cabinet 70 is respectively communicated with a solid waste storage chamber, an animal carcass storage chamber, a toxic waste liquid storage chamber and a strong corrosive waste liquid storage chamber through pipelines, an air conditioner can be automatically started when the room temperature is too high, and the temperature in the temporary storage box 90 is effectively reduced;

each storage chamber in the temporary storage box 90 is provided with an explosion-proof video monitoring camera with ultrahigh definition 960P resolution, and the temporary storage box has a night infrared monitoring function; an ultra high definition 960P peripheral monitoring camera is arranged outside the temporary storage box 90; all the monitoring cameras are connected with the control cabinet 904; the control cabinet 904 can record monitoring data of the monitoring camera for more than one month. A temperature and humidity display alarm and combustible gas leakage alarm device is arranged in the temporary storage box 90 and is electrically connected with the control cabinet 904, so that the internal environment of the temporary storage box 90 can be monitored, and field data can be displayed through a screen on the control cabinet 904; the temperature and humidity display alarm and combustible gas leakage alarm device can monitor the interior of the cabinet body in real time for 24 hours, and when the indexes reach set safety values, various treatment measures and alarms are intelligently executed through the control cabinet 904;

the inside storage rack 20 that is provided with of solid waste storage chamber, and storage rack 20 communicates through pipeline and weeping collecting pit 601, be provided with the freezer in the spoil storage chamber, the toxicity waste liquid storage chamber, all be provided with the storage cabinet in the strong corrosive nature waste liquid storage chamber, the top of storing the cabinet is passed through pipeline and exhaust purification processing apparatus intercommunication, the bottom of storing the cabinet is passed through pipeline and weeping collecting pit 601 intercommunication, the waste liquid accessible pipeline that exposes flows into in the weeping collecting pit 601 and collects.

Referring to fig. 11, 12 and 13, the storage rack 20 includes a rack body 201, a lifting device 202, a suspension device 203 and a power device 204, the lifting device 202 is vertically and fixedly disposed at two sides of the bottom of one end of the rack body 201, the suspension devices 203 are fixedly disposed on the rack body 201 at equal intervals along the longitudinal direction of the rack body 201, the power device 204 is fixedly disposed at one end of the rack body 201 away from the lifting device 202, the power device 204 is connected with the suspension device 203 through a chain, the power device 204 is a motor, the lifting device 202 jacks up the containing barrel, the power device 204 drives the suspension device 203 to rotate, the suspension device 203 hooks the containing barrel, and the containing barrel is suspended on the suspension device 203.

Referring to fig. 12, 14, and 15, the suspension device 203 includes at least two suspension members 2031 and at least two rotation members 2032, one end of each of the at least two rotation members 2032 is connected to the power device 204 fixedly disposed at one end of the rack 201 far from the lifting device 202 through a chain, the at least two rotation members 2032 penetrate through the rack 201 and are disposed along the short side direction of the rack 201, the at least two rotation members 2032 are rotatably connected to the rack 201, the at least two rotation members 2032 are uniformly and equidistantly distributed along the long side direction of the rack 201, the at least two suspension members 2031 are fixedly disposed on the at least two rotation members 2032, the at least two rotation members 2032 rotate and drive the at least two suspension members 2031 to rotate, the at least two suspension members 2031 hook the filling barrel, and the filling barrel is suspended on the at least two suspension members 2031.

Referring to fig. 12 and 16, the at least two rotating members 2032 include a rotating shaft 20321, the rotating shaft 20321 penetrates the frame 201 and is disposed along a short side direction of the frame 201, the rotating shaft 20321 is connected to the frame 201, the rotating shaft 20321 is uniformly and equidistantly distributed along a long side direction of the frame 201, two ends of the rotating shaft 20321 are respectively and fixedly provided with a transmission sprocket 20322, the transmission sprockets 20322 are respectively located at an outer side of the frame 201, the transmission sprockets 20322 on each rotating shaft 20321 are sequentially connected by a transmission chain, a pair of rotating wheels 20323 is fixedly disposed on the rotating shaft 20321 along an axial direction of the rotating shaft 20321, the pair of rotating wheels 20323 are respectively located between the transmission sprockets 20322, a distance between the pair of rotating wheels 20323 and two ends of the rotating shaft 20321 is equal, and the pair of rotating wheels 20323 are respectively located at an inner.

Referring to fig. 15, the at least two hanging members 2031 include a hanging rod 20311 and a hook 20312, the hanging rod 20311 is disposed along the short side direction of the frame 201 and is fixedly connected to the hoisting chain 20324, rollers 20313 are disposed at two ends of the hanging rod 20311, the rollers 20313 are connected to the hanging rod 20311 through bearings, and the hook 20312 is fixedly disposed on the hanging rod 20311 and is located between the pair of rotating wheels 20323.

The fixed support baffle 2011 that is provided with on the support body 201, support baffle 2011 sets up along the long edge direction of support body 201, and support baffle 2011 is located gyro wheel 20313 under, and gyro wheel 20313 contacts with support baffle 2011 to can roll along support baffle 2011, support baffle 2011 both can provide the guide effect for gyro wheel 20313, also can provide the supporting role for peg 20311, avoids hanging to hold barrel or sack after the pulling force is too big downwards.

A guide groove is provided on one end surface of the frame body 201 at the lifting device 202.

Referring to fig. 11, the lifting device 202 includes two electric lifting columns 2021 and a holding plate 2022, the two electric lifting columns 2021 are vertically and fixedly disposed on two sides of the bottom of one end of the frame body 201 and are disposed along the direction of the short side of the frame body 201, the holding plate 2022 is fixedly disposed on the top of the electric lifting columns 2021 and is parallel to the bottom of the frame body 201, a sliding block is fixedly disposed on a side surface of the holding plate 2022 close to the frame body 201, the size of the sliding block matches with the size of the guide groove, the sliding block is embedded in the guide groove, and the two electric lifting columns 2021 extend and retract up and down to drive the holding plate 2022 to slide up and down along the guide groove.

The bottom of support body 201 is provided with the collecting tank 2012, and through the collecting tank 2012 who sets up, can prevent to hold the interior waste liquid of bucket and drip to ground after leaking and wait.

When the worker transports the containing barrel or bag to the containing plate 2022 of the lifting device 202, the electric lifting column 2021 is started, the electric lifting column 2021 pushes the containing plate 2022 to move upwards to jack up the containing barrel or bag, when the containing barrel or bag is close to the hook 20312, the worker pulls the hook 20312 to hook the hook 20312 on the containing barrel or bag, the power device 204 is started, the power device 204 transmits power to at least two rotating parts 2032 through chains, the power device 204 drives the rotating shaft 20321 to rotate so as to drive the pair of rotating wheels 20323 to rotate, and when the pair of rotating wheels 20323 rotates, the pair of rotating wheels 20323 drives the hoisting chain 20324 to move along the pair of rotating wheels 20323 so as to drive the hanging rod 11 fixedly arranged on the hoisting chain 20324 to move, so as to move the containing barrel or bag hung on the hook 20312 to the end far away from the electric lifting column 2021, and the operation is repeated, the hook 20312 can be hung on a full containing barrel or bag;

according to actual requirements, at least two hanging devices 203 can be arranged on the frame body 201, each hanging device 203 can be separately hung and stored according to the chemical properties and the physical properties of different solid dangerous wastes, and holding barrels or bags can be hung and stored on different storage racks 20 according to the chemical properties and the physical properties of different solid dangerous wastes.

Referring to fig. 4 to 10, the storage cabinet includes a cabinet body 10, a cabinet door 101 is disposed on a side surface of the cabinet body 10, an exhaust pipe 102 is disposed on a top portion of the cabinet body 10, supporting members 103 are sequentially and equidistantly disposed from top to bottom inside the cabinet body 10, an upper surface of the supporting member 103 is parallel to a bottom surface of the cabinet body 10, the supporting member 103 is hollow, an upper surface of the supporting member 103 is recessed inward, a recess 1031 is formed in the middle, a surrounding edge 1032 is formed around the upper surface, a liquid leakage hole 1033 is formed at the bottom of the recess 1031, the liquid leakage hole 1033 is communicated with the inside of the supporting member 103, a sliding groove 1034 is disposed on the surrounding edge 1032, a sliding groove 1034 is disposed along a long side direction of the surrounding edge 1032, a liquid discharge pipe 104 is disposed on a side surface of the cabinet body 10 opposite to the cabinet door 101, the liquid discharge pipe 104 passes through the cabinet body, the fixing member 105 is fitted into the slide groove 1034 and is slidable along the slide groove 1034.

Referring to fig. 7 to 9, the fixing part 105 includes a fixed caliper 1051, a sliding caliper 1052, and a lock pin 1053, the fixed caliper 1051 and the sliding caliper 1052 are disposed opposite to each other, and two clamp slots are correspondingly disposed on the surfaces of the fixed caliper 1051 contacting with the sliding caliper 1052, a protection pad is disposed on the inner wall surface of the two clamp slots, the protection pad may be made of a soft corrosion-resistant material such as rubber, the fixed caliper 1051 is fixed on the upper surface of the rim 1032 by bolts, the fixed caliper 1051 is disposed along the short side direction of the rim 1032, a connecting rod 10511 is fixedly disposed on the surface of the fixed caliper 1051 contacting with the sliding caliper 1052, the connecting rod 10511 is located between the two clamp slots, a sliding rod 10521 is vertically fixed on the bottom surface of the sliding caliper 1052, the sliding rod 10521 is embedded into the sliding slot 1034 and can slide along the sliding slot 1034, a pin hole 10522 is disposed on the upper surface of the sliding caliper 1052, a positioning hole 10523 is disposed, sliding the sliding caliper 1052, making the sliding caliper 1052 slide to the fixed caliper 1051, inserting the connecting rod 10511 into the positioning hole 10523, connecting the fixed caliper 1051 with the sliding caliper 1052, inserting the locking pin 1053 into the pin hole 10522, and embedding into the connecting rod 10511, fixing the fixed caliper 1051 with the sliding caliper 1052, so that the clamping grooves on the fixed caliper 1051 and the sliding caliper 1052 enclose a closed circular contour, or enclose a semi-closed oval contour, thereby clamping a glass bottle or a glass jar containing strong corrosive waste liquid between the fixed caliper 1051 and the sliding caliper 1052.

The connecting rod 10511 is provided with a positioning slot 10512 at an end away from the fixed caliper 1051, the positioning slot 10512 is matched with the locking pin 1053, the positioning slot 10512 can be at least two, and is arranged evenly and equidistantly, the pin rod is inserted into the pin hole 10522 and is embedded into the positioning slot 10512 on the connecting rod 10511, and the fixed caliper 1051 is fixed with the sliding caliper 1052.

The end of the sliding rod away from the sliding caliper 1052 is provided with a rolling ball 10524, the size of the rolling ball 10524 matches the size of the sliding slot 1034, the bottom of the sliding slot 1034 can be semicircular or flat, and the end of the sliding rod away from the sliding caliper 1052 is provided with a rolling ball 10524, which can facilitate the rolling ball 10524 to slide along the sliding slot 1034 more smoothly, so that the sliding caliper 1052 can slide along the sliding slot 1034.

The upper surface of the supporting member 103 is stepped, at least two stepped surfaces are formed on the upper surface of the supporting member 103, the stepped surface of the supporting member 103 close to the cabinet door 101 is lower than the stepped surface far away from the cabinet door 101, each stepped surface is inwards recessed, a groove 1031 is formed in the middle, and a surrounding edge 1032 is formed all around.

Support piece 103 bottom surface slope sets up, and the one end that support piece 103 bottom surface is close to cabinet door 101 is higher than the one end of keeping away from cabinet door 101, and the entrance point of fluid-discharge tube 104 is located the lowest department of support piece 103 bottom, can make the strong corrosive waste liquid that leaks out more smooth flow to the one end that is close to fluid-discharge tube 104 to accelerate the strong corrosive waste liquid discharge of the inside buffer memory of support piece 103.

A burying cavity 106 is arranged on the bottom surface in the cabinet body 10, and yellow sand with the thickness of not less than 120mm is arranged in the burying cavity 106 and is used for burying inflammable matters such as metal sodium, yellow phosphorus (white phosphorus) and the like.

When a glass bottle or glass can storage cabinet containing the highly corrosive waste liquid needs to be stored, a worker pulls out the lock pin 1053, pulls the sliding caliper 1052, so that the sliding caliper 1052 slides towards one end far away from the fixed caliper 1051 along the sliding chute 1034, the distance between the fixed caliper 1051 and the sliding caliper 1052 is increased, at the moment, the glass bottle or glass can containing the highly corrosive waste liquid is placed between the fixed caliper 1051 and the clamping groove arranged on the sliding caliper 1052, and then the slide caliper 1052 is pushed to slide toward the fixed caliper 1051, the connecting rod 10511 is inserted into the positioning hole 10523, when the fixed caliper 1051 and the clamping groove on the sliding caliper 1052 contact the outer wall of a glass bottle or glass jar containing highly corrosive waste liquid, the locking pin 1053 is inserted into the pin hole 10522, and is inserted into the connecting rod 10511, to fix the fixed caliper 1051 to the slide caliper 1052, thereby fixing the glass bottle or glass jar containing the strong corrosive waste liquid between the fixed caliper 1051 and the sliding caliper 1052;

when the glass bottle or glass jar containing the strong corrosive waste liquid leaks, the leaked strong corrosive waste liquid enters the inside of the supporting member 103 through the liquid leakage hole 1033 on the supporting member 103 and flows towards the inlet end of the liquid discharge pipe 104 along the bottom of the supporting member 103, so that the leaked strong corrosive waste liquid is discharged and collected through the liquid discharge pipe 104, and the odor generated by the leakage can be purified after being discharged through the gas discharge pipe 102.

Referring to fig. 17 to 22, the exhaust gas purification treatment apparatus includes an acid mist absorption tower 30, an activated carbon adsorption tank 40, and an exhaust fan 50, the exhaust fan 50 is electrically connected to a control cabinet 904, the exhaust fan 50 can be controlled by the control cabinet 904, the acid mist absorption tower 30 is disposed on one side of the exhaust fan 50, the activated carbon adsorption tank 40 is disposed on the other side of the exhaust fan 50, an inlet end of the exhaust fan 50 is communicated with an outlet end of the activated carbon adsorption tank 40 through a pipeline, an outlet end of the exhaust fan 50 is communicated with an inlet end of the acid mist absorption tower 30 through a pipeline, an air inlet 401 is disposed on an upper portion of a side surface of the activated carbon adsorption tank 40 far from the exhaust fan 50, an air outlet 402 is disposed on a lower portion of a side surface of the activated carbon adsorption tank 40 close to the exhaust fan 50, the air outlet 402 is communicated with the inlet end of the exhaust fan 50 through a, the outlet end of the adsorption channel 403 is communicated with the gas outlet 402, the acid mist absorption tower 30 comprises a tower body 301, an absorption liquid storage tank 302 and a circulating pump 303, the absorption liquid storage tank 302 is arranged on one side of the exhaust fan 50 far away from the activated carbon adsorption tank 40, the tower body 301 is fixedly arranged above the activated carbon adsorption tank 40, the circulating pump 303 is arranged on one side of the absorption liquid storage tank 302, the inlet end of the circulating pump 303 is communicated with the inside of the absorption liquid storage tank 302, the outlet end is communicated with the upper part of the tower body 301, the top of the tower body 301 is fixedly provided with a smoke exhaust pipe 304, the smoke exhaust pipe 304 is communicated with the inside of the tower body 301, the bottom of the tower body 301 is provided with a liquid return pipe 305, one end of the liquid return pipe 305 is communicated with the bottom of the tower body 301, the other end of the liquid return pipe is communicated with the absorption, a liquid separating disc 306 is fixedly arranged above the inside of the tower body 301, the inlet end of the liquid separating disc 306 is communicated with the outlet end of the circulating pump 303 through a pipeline, a gas-liquid mixing disc 307 is fixedly arranged inside the tower body 301 from top to bottom in sequence, and the gas-liquid mixing disc 307 is positioned under the liquid separating disc 306.

Referring to fig. 19 and 20, the adsorption channel 403 includes a straight channel 4031 and a connecting elbow 4032, the straight channel 4031 is sequentially and equidistantly arranged from top to bottom along the inside of the activated carbon adsorption box 40, the straight channel 4031 is parallel to the bottom surface of the activated carbon adsorption box 40, and the connecting elbow 4032 connects the upper and lower adjacent straight channels 4031 to each other, so that the adsorption channel 403 is integrally S-shaped, the formation of gas in the adsorption channel 403 is increased, the contact time of the gas and the activated carbon is increased, and the adsorption purification efficiency of the gas is improved.

The straight channel 4031 comprises a housing 40311, transverse gas baffles 40312 are fixedly arranged in the short side direction of an inner eye housing 40311 of the housing 40311, the transverse gas baffles 40312 are sequentially arranged in the long side direction of the housing 40311 at equal intervals, the transverse gas baffles 40312 divide the interior of the housing 40311 into at least two cavities, an active carbon storage tube 40313 is fixedly arranged in each cavity, active carbon is filled in the active carbon storage tube 40313, and vent holes are formed in the active carbon storage tube 40313. Gas flow holes 40314 are formed in the transverse gas baffle 40312, and gas flow holes 40314 in the front transverse gas baffle 40312 and the rear transverse gas baffle 40312 are arranged in a staggered mode, when gas enters the outer shell 40311, the gas is blocked by the transverse gas baffle 40312, so that the gas is dispersed all around, and the dispersed gas can enter the active carbon storage tube 40313 from the vent holes in the active carbon storage tube 40313, so that the gas can be purified better, the gas flow holes 40314 arranged in the staggered mode front and rear can enable the gas to be dispersed more sufficiently, meanwhile, the retention time of the gas in the cavity can be increased, and the purification efficiency is improved.

Referring to fig. 21 and 22, the gas-liquid mixing tray 307 includes a fixing ring 3071, a first liquid separating plate 3072, a second liquid separating plate 3073, a first gas-liquid mixing plate 3074, and a second gas-liquid mixing plate 3075, the fixing ring 3071 is fixedly disposed on an inner wall of the tower body 301, an outer wall of the fixing ring 3071 is tightly attached to the inner wall of the tower body 301, the first liquid separating plate 3072 is horizontally and fixedly disposed at one end of the fixing ring 3071, the second liquid separating plate 3073 is horizontally and fixedly disposed at the other end of the fixing ring 3071, the first gas-liquid mixing plate 3074 and the second gas-liquid mixing plate 3075 are fixedly disposed between the first liquid separating plate 3072 and the second liquid separating plate 3073, a gap is left between the first gas-liquid mixing plate 3074 and the second gas-liquid mixing plate 3075, the first gas-liquid mixing plate 3074 is close to the first liquid separating plate 3072, and the second gas-liquid mixing plate 3075 is close to.

Holes 3076 are formed in the first liquid separation plate 3072 and the second liquid separation plate 3073. The first gas-liquid mixing plate 3074 and the second gas-liquid mixing plate 3075 are both provided with annular holes 3077, and the annular holes 3077 on the first gas-liquid mixing plate 3074 and the annular holes 3077 on the second gas-liquid mixing plate 3075 are arranged in a staggered manner. First minute liquid board 3072, second minute liquid board 3073 can be with liquid dispersion, and fully contact with gaseous, liquid on first gas-liquid mixture board 3074, the second gas-liquid mixture board 3075 is when passing through annular hole 3077 downward flow, form crisscross waterfall form, when gaseous upward movement, the liquid that is crisscross waterfall form cuts off gaseous, gaseous can only pass the liquid that is crisscross waterfall form and continue upward movement, can guarantee like this that gaseous can be with the liquid complete contact, poisonous and harmful gas in the effectual purge gas, behind a plurality of gas-liquid mixing dish 307, can effectual improvement gas purification efficiency.

Starting the exhaust fan 50 and the circulating pump 303, pumping the gas into the activated carbon adsorption tank 40, firstly performing adsorption treatment on the waste gas discharged from the storage cabinet through the activated carbon adsorption tank 40, then pumping the gas purified from the activated carbon adsorption tank 40 into the acid mist absorption tower 30 through the exhaust fan 50, at this time, pumping the liquid into the liquid separation disc 306 by the circulating pump 303, spraying the liquid into the tower body 301 from the top of the tower body 301 through the liquid separation disc 306, performing secondary treatment and absorption on the purified gas through the absorption liquid, so that the toxic and harmful gas in the waste gas is purified, flowing the liquid sprayed into the tower body 301 into the absorption liquid storage tank 302 through a liquid return pipe 305 at the bottom of the tower body 301 for continuous recycling, and discharging the purified gas through a smoke discharge pipe 304.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims (10)

1. The utility model provides a laboratory hazardous waste temporary storage device which characterized in that: the waste gas purification treatment device extracts toxic and harmful gas volatilized in the temporary storage box and discharges the toxic and harmful gas after purification treatment;

an entrance door is arranged on the surface of one side of the temporary storage box far away from the waste gas purification treatment device, a control cabinet is arranged on one side of the entrance door, an emergency escape door is arranged at one end of the temporary storage box close to the waste gas purification treatment device, a fireproof heat-insulating layer is arranged on the inner wall of the temporary storage box, a walking corridor is arranged in the temporary storage box along the length direction of the temporary storage box, the inlet end of the walking corridor is communicated with the entrance door, the outlet end of the walking corridor is communicated with the emergency escape door, a solid waste storage chamber, an animal carcass storage chamber, a toxic waste liquid storage chamber, a highly corrosive waste liquid storage chamber, a solid waste storage chamber, an animal carcass storage chamber, a toxic waste liquid storage chamber and a highly corrosive waste liquid storage chamber are sequentially arranged in the temporary storage box along the length direction of the walking corridor, and are respectively communicated with the leakage liquid collecting pool and the waste gas purification treatment device, The top parts of the toxic waste liquid storage chamber and the strong corrosive waste liquid storage chamber are provided with ventilation shutters;

the inside storage rack that is provided with of solid waste storage chamber, and the storage rack passes through pipeline and weeping collecting pit intercommunication, is provided with the freezer in the spoil storage chamber, all is provided with in toxicity waste liquid storage chamber, the strong corrosive waste liquid storage chamber and stores the cabinet, and the pipeline is passed through at the top of storing the cabinet and exhaust purification processing apparatus intercommunication, and pipeline and weeping collecting pit intercommunication are passed through to the bottom of storing the cabinet.

2. The laboratory hazardous waste temporary storage device of claim 1, wherein: the storage rack comprises a rack body, a lifting device, a suspension device and a power device, wherein the lifting device is vertically and fixedly arranged on two sides of the bottom of one end of the rack body; the suspension device comprises at least two suspension parts and at least two rotating parts, one ends of the at least two rotating parts are connected with a power device fixedly arranged at one end of the frame body far away from one end of the lifting device through chains, the at least two rotating parts penetrate through the frame body and are arranged along the direction of the short side of the frame body, the at least two rotating parts are connected with a rotating shaft of the frame body, the at least two rotating parts are distributed along the uniform equal distance of the long side direction of the frame body, the at least two suspension parts are fixedly arranged on the at least two rotating parts, the at least two rotating parts rotate and drive the at least two suspension parts to rotate, the at least two suspension parts hook the containing barrel, and the containing barrel is suspended on the.

3. The laboratory hazardous waste temporary storage device of claim 2, wherein: the at least two rotating parts comprise rotating shafts, the rotating shafts penetrate through the frame body and are arranged along the short edge direction of the frame body, the rotating shafts are connected with rotating shafts of the frame body, the rotating shafts are uniformly distributed at equal intervals along the long edge direction of the frame body, the two ends of each rotating shaft are fixedly provided with transmission chain wheels, the transmission chain wheels are positioned on the outer side of the frame body, the transmission chain wheels on each rotating shaft are sequentially connected through transmission chains, a pair of rotating wheels are fixedly arranged on the rotating shafts along the axial direction of the rotating shafts and are positioned between the transmission chain wheels, the distances between the pair of rotating wheels and the two ends of the rotating shafts are equal, the rotating wheels are positioned on the inner; the at least two hanging parts comprise hanging rods and hooks, the hanging rods are arranged along the short edge direction of the frame body and fixedly connected with the hoisting chains, rolling wheels are arranged at two ends of the hanging rods and connected with hanging rod bearings, and the hooks are fixedly arranged on the hanging rods and located between a pair of rotating wheels.

4. The laboratory hazardous waste temporary storage device of claim 2, wherein: the support guide plate is fixedly arranged on the frame body and arranged along the long edge direction of the frame body, the support guide plate is positioned under the roller, and the roller is in contact with the support guide plate and can roll along the support guide plate; a guide groove is formed in the surface of one end, located on the lifting device, of the frame body; the bottom of support body is provided with the collecting tank, and the collecting tank passes through pipeline and weeping collecting pit intercommunication.

5. The laboratory hazardous waste temporary storage device of claim 1, wherein: the storage cabinet comprises a cabinet body, a cabinet door is arranged on one side surface of the cabinet body, an exhaust pipe is arranged at the top of the cabinet body, supporting pieces are fixedly arranged in the cabinet body from top to bottom in sequence at equal intervals, the upper surface of each supporting piece is parallel to the bottom surface of the cabinet body, the supporting pieces are hollow, the upper surface of each supporting piece is inwards recessed, a groove is formed in the middle, surrounding edges are formed at the periphery of each supporting piece, liquid leakage holes are formed in the bottoms of the grooves and communicated with the inside of each supporting piece, a sliding groove is formed in each surrounding edge, each sliding groove is formed in the long edge direction of each surrounding edge, a liquid discharge pipe is arranged on one side surface, opposite to the cabinet door, of the cabinet body and penetrates through the cabinet body to be communicated with the inside of each supporting piece, a fixing part; the fixed part comprises a fixed caliper, a sliding caliper and a lock pin, the fixed caliper and the sliding caliper are arranged in opposite directions, two clamping grooves are correspondingly arranged on the surface of the fixed caliper contacted with the sliding caliper, the fixed caliper is fixed on the surface of the upper portion of the surrounding edge through a bolt, the fixed caliper is arranged along the direction of the short edge of the surrounding edge, a connecting rod is fixedly arranged on the surface of the fixed caliper contacted with the sliding caliper and is positioned between the two clamping grooves, a sliding rod is vertically and fixedly arranged on the bottom surface of the sliding caliper and is embedded into the sliding groove and can slide along the sliding groove, a pin hole is arranged on the surface of the upper portion of the sliding caliper, a positioning hole is arranged on the surface of the sliding caliper contacted with the fixed caliper, the sliding caliper slides, the connecting rod is inserted into the positioning hole, the fixed caliper is connected with the sliding, the fixed caliper and the sliding caliper are fixed.

6. The laboratory hazardous waste temporary storage device of claim 5, wherein: one end of the connecting rod, which is far away from the fixed calipers, is provided with a positioning groove, and the size of the positioning groove is matched with that of the lock pin; one end of the sliding rod, which is far away from the sliding calipers, is provided with a rolling ball, and the size of the rolling ball is matched with that of the sliding chute; the upper surface of the support piece is in a step shape, at least two step surfaces are formed on the upper surface of the support piece, the step surface of the support piece, which is close to the cabinet door, is lower than the step surface far away from the cabinet door, each step surface is inwards recessed, a groove is formed in the middle of each step surface, and surrounding edges are formed on the periphery of each step surface; the support piece bottom surface sets up in the slope, and the support piece bottom surface is higher than the one end of keeping away from the cabinet door near the one end of cabinet door.

7. The laboratory hazardous waste temporary storage device of claim 1, wherein: the waste gas purification treatment device comprises an acid mist absorption tower, an active carbon adsorption box and an exhaust fan, wherein the exhaust fan is electrically connected with a control cabinet, the acid mist absorption tower is arranged on one side of the exhaust fan, the active carbon adsorption box is arranged on the other side of the exhaust fan, the inlet end of the exhaust fan is communicated with the outlet end of the active carbon adsorption box through a pipeline, the outlet end of the exhaust fan is communicated with the inlet end of the acid mist absorption tower through a pipeline, an air inlet is arranged on the upper part of one side surface of the active carbon adsorption box, which is far away from the exhaust fan, an air outlet is arranged on the lower part of one side surface of the active carbon adsorption box, which is close to the exhaust fan, the air outlet is communicated with the inlet end of the exhaust fan through a pipeline, an adsorption channel is fixedly arranged inside the active carbon adsorption box, the absorption liquid storage box is arranged at one side of the exhaust fan far away from the activated carbon adsorption box, the tower body is fixedly arranged above the activated carbon adsorption box, the circulating pump is arranged at one side of the absorption liquid storage box, the inlet end of the circulating pump is communicated with the inside of the absorption liquid storage box, the outlet end of the circulating pump is communicated with the upper part of the tower body, the top of the tower body is fixedly provided with a smoke exhaust pipe, the smoke exhaust pipe is communicated with the inside of the tower body, the bottom of the tower body is provided with a liquid return pipe, one end of the liquid return pipe is communicated with the bottom of the tower body, and the waste gas inlet is positioned above the liquid return pipe, the waste gas inlet is communicated with the outlet end of the exhaust fan, a liquid separating disc is fixedly arranged above the inner part of the tower body, the inlet end of the liquid separating disc is communicated with the outlet end of the circulating pump through a pipeline, a gas-liquid mixing disc is fixedly arranged in the tower body from top to bottom in sequence, and the gas-liquid mixing disc is positioned under the liquid separating disc.

8. The laboratory hazardous waste temporary storage device of claim 7, wherein: the adsorption channel comprises straight channels and connecting elbows, the straight channels are sequentially arranged at equal intervals from top to bottom along the inside of the activated carbon adsorption box, the straight channels are parallel to the bottom surface of the activated carbon adsorption box, and the connecting elbows are used for mutually communicating the upper straight channel and the lower straight channel, so that the whole adsorption channel is S-shaped; the straight channel comprises a shell, wherein a transverse gas baffle is fixedly arranged in the short side direction of the shell of the inner hole of the shell, the transverse gas baffles are sequentially arranged in the long side direction of the shell at equal intervals, the inner part of the shell is divided into at least two cavities by the transverse gas baffle, an activated carbon storage pipe is fixedly arranged in each cavity, and a vent hole is formed in each activated carbon storage pipe; and the transverse gas baffle plates are provided with gas flowing holes, and the gas flowing holes in the front transverse gas baffle plate and the rear transverse gas baffle plate are arranged in a staggered manner.

9. The laboratory hazardous waste temporary storage device of claim 7, wherein: the gas-liquid mixing disc comprises a fixed ring, a first liquid separating plate, a second liquid separating plate, a first gas-liquid mixing plate and a second gas-liquid mixing plate, the fixed ring is fixedly arranged on the inner wall of the tower body, the outer wall of the fixed ring is tightly attached to the inner wall of the tower body, the first liquid separation plate is horizontally and fixedly arranged at one end of the fixed ring, the second liquid separation plate is horizontally and fixedly arranged at the other end of the fixed ring, holes are formed in the first liquid separation plate and the second liquid separation plate, the first gas-liquid mixing plate and the second gas-liquid mixing plate are fixedly arranged between the first liquid separation plate and the second liquid separation plate, and a space is reserved between the first gas-liquid mixing plate and the second gas-liquid mixing plate, the first gas-liquid mixing plate is close to the first liquid separating plate, the second gas-liquid mixing plate is close to the second liquid separating plate, annular holes are arranged on the first gas-liquid mixing plate and the second gas-liquid mixing plate, and the annular holes on the first gas-liquid mixing plate and the annular holes on the second gas-liquid mixing plate are arranged in a staggered manner.

10. The laboratory hazardous waste temporary storage device of claim 1, wherein: the top of temporary storage box is provided with the canopy, is provided with the rail along the canopy all around, and the one end that the rail is located the access door is provided with the electrically operated gate, and the one end that the cabinet of keeping in is located the access door is provided with the refrigeration cabinet, refrigeration cabinet and switch board electric connection, refrigeration cabinet pass through the pipeline respectively with solid waste deposit room, spoil deposit room, toxicity waste liquid deposit room, strong corrosivity waste liquid deposit room intercommunication.

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