CN113091287A

CN113091287A - Laboratory waste gas heat recovery device

Info

Publication number: CN113091287A
Application number: CN202110341656.XA
Authority: CN
Inventors: 昝志峰; 洪强
Original assignee: Jiangsu Great Oak Group Co ltd
Current assignee: Jiangsu Great Oak Group Co ltd
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-07-09

Abstract

The invention relates to the technical field of waste gas recovery equipment, in particular to a laboratory waste gas heat recovery device which comprises a working box, wherein one end of the working box is provided with an air inlet component for recovering waste gas, the interior of the working box is provided with a recovery component for purifying the waste gas, the lower end of the working box is provided with a supporting component for adjusting the height of the device, an air inlet pipeline is butted with an air outlet of a laboratory through a fixing buckle, the waste gas can remove large impurities contained in the waste gas when passing through a filter screen, a water pump pumps water from a water tank, then the water is sprayed out through a water spraying opening to remove larger particles and raised dust contained in the waste gas, the waste gas after the first purification enters a right side chamber through a ventilation pipeline, a resistance wire of the waste gas generates heat and is electrified to generate heat when passing through the right side chamber, the activity of the particles in the waste gas is improved, and the particles are more easily absorbed, the mounting bottom plate and the hydraulic cylinder at the upper end of the mounting bottom plate absorb the vibration of the device during working, and the balance of the device is kept.

Description

Laboratory waste gas heat recovery device

Technical Field

The invention relates to the technical field of waste gas recovery equipment, in particular to a laboratory waste gas heat recovery device.

Background

With the remarkable improvement of national and world construction levels and the research on the innovation of products in different days, the research and development of food safety, building material quality detection, environmental product detection, medical and pathological experiments, toxicological laboratories, biological safety laboratories and the like, more and more development and development of experimental centers and larger scale are carried out, the ventilation scale of laboratories is increased, the air treated by air conditioners is directly discharged to the atmosphere so far, the potential value of reasonably recovering the huge energy consumption is unfortunately kept, and the debugging, operation management and analysis of laboratories are carried out for a long time, and a recovery system is excavated.

If the application number is: an object of CN 201910784746.9's patent provides a laboratory waste gas heat recovery device, possess the high and effectual advantage of heat exchanger maintenance of heat transfer air purity, the heat transfer air purity of having solved current laboratory waste gas recovery system is not good to the problem of accuse and indirect heating equipment does not have the maintenance effect, but the device is not enough to the purification purity of waste gas when using, and purification efficiency is lower, device itself lacks damping component, very easily damaged because of external impact, we propose a laboratory waste gas heat recovery device to this.

Disclosure of Invention

The present invention is directed to a laboratory waste gas heat recovery device to solve the above problems.

In order to achieve the purpose, the laboratory waste gas heat recovery device comprises a working box, wherein one end of the working box is provided with an air inlet component for recovering waste gas, the interior of the working box is provided with a recovery component for purifying the waste gas, and the lower end of the working box is provided with a supporting component for adjusting the height of the device.

Preferably, the air inlet component comprises an air inlet pipeline, a fixing buckle, a sealing plate, a filter screen, a filter chamber, an exhaust pipeline, a heat insulation plate and a heating resistance wire, one end of the air inlet pipeline is welded at one end of the working box, the fixing buckle is welded at the other end of the air inlet pipeline, the sealing plate is connected to the inside of the fixing buckle in a sliding mode, the filter screen is welded inside the air inlet pipeline, one end of the air inlet pipeline extends to the inside of the working box and is welded at one end of the filter chamber, the exhaust pipeline is welded at the other end of the filter chamber, the heat insulation plate is laid on the outer side of the filter chamber, the heating resistance wire is laid on the inner wall of the filter chamber, the air inlet pipeline is in butt joint with an air outlet of the laboratory through the fixing buckle, the sealing plate can be opened and closed at any time to control the, the heating resistance wire in the filtering chamber is heated after being electrified, the waste gas treatment and recovery efficiency can be effectively improved, the heat insulation plate reduces the heat dissipation speed, and the energy consumption is reduced.

Preferably, the recovery member comprises a partition plate, a water tank, a water feeding port, a water pump, a water pipeline, a water spraying port, an air duct, a filter plate, filter holes and active carbon, the partition plate is welded inside the filter chamber and divides the filter chamber into a left independent side chamber and a right independent side chamber, the water tank is welded in the left side chamber of the filter chamber, the water feeding port is formed in the upper end of the water tank, one end of the water tank is communicated with the water inlet of the water pump, the water outlet of the water pump is communicated with one end of the water pipeline, the other end of the water pipeline is communicated with the water spraying port, the air duct penetrates through the middle part of the partition plate, the filter plate is welded in the right side chamber of the filter chamber, the filter holes are formed in one end of the filter plate, the active carbon is filled, add water from the filler toward the water tank in, later the indoor water pump in left side draws water from the water tank, pass through water pipeline again and carry to the water jet with water, the water jet sprays water to waste gas on, get rid of large-scale granule and raise dust in the waste gas, waste gas after first time of processing passes through vent pipe and gets into the right side room, when waste gas passes through the filter, because resistance wire work makes the indoor inside temperature in right side rise, improve the activity of granule, make the granule more easily absorbed by the active carbon, the waste gas of purification completion passes through exhaust duct and exports the external world.

Preferably, the supporting member includes mounting plate, mounting hole, pneumatic cylinder, connecting rod and bradyseism pad, the mounting hole has been seted up to mounting plate's upper end, the lower extreme of pneumatic cylinder has been welded to mounting plate's upper end, the lower extreme of connecting rod has been welded to the upper end of pneumatic cylinder, the lower extreme at the work box is welded to the upper end of connecting rod, the bradyseism pad has been laid to mounting plate's lower extreme, fixes mounting plate in the assigned position through the mounting hole to install whole device in the assigned position, when the device received the impact, the impact force transmitted the pneumatic cylinder through the connecting rod, and the pneumatic cylinder absorbs the impact force, plays absorbing effect, and the bradyseism pad can strengthen the shock attenuation effect of device, improves the stability of device.

Preferably, the diameter of shrouding is the same with inlet duct's diameter, the diameter of filter screen is the same with inlet duct's diameter, exhaust duct's the other end extends to the outside of work box, controls inlet duct's opening and shutting through the removal of shrouding to the realization is to the control of exhaust gas flow.

Preferably, the upper end of the water filling port extends to the upper end surface of the working box, the water spraying ports are arranged in a plurality of groups, the water pipelines are arranged at the upper end of the inner wall of the filtering chamber at equal intervals, water is sprayed through the plurality of groups of water spraying ports simultaneously to accelerate the speed of waste gas purification, and the working efficiency of the device is improved.

Preferably, the length of filter is the same with the height of filter chamber, the quantity of filter has two, two the filter is about the central line symmetrical arrangement of filter chamber right side room, every the one end of filter is equalling the interval seted up a plurality of groups and is filtered the hole, the diameter of filtering the hole is 5mm, through the filter effect of polylith filter in order to strengthen the device, improves the purification purity of waste gas.

Preferably, the filter chamber is double-deck hollow structure, the material of heat insulating board is the asbestos, the thickness of heat insulating board is 2cm, the heating resistor silk is "S" shape and arranges between the inner wall of filter chamber, the heating resistor silk passes through wire and external power supply equipment electric connection, arranges the increase resistance silk through arranging heating resistor silk "S" shape and arranges the array length of increase resistance silk in the filter chamber to improve the total amount of generating heat in the same time, improve device' S purification efficiency.

Preferably, the number of the mounting holes is four, the four mounting holes are respectively arranged at four corners of the mounting base plate, the number of the connecting rods is two, the two connecting rods are symmetrically arranged about the center line of the bottom surface of the working box, the cushioning pad is made of a PVC (polyvinyl chloride) damping material, and the weight of the device is shared by the connecting rods so as to maintain the balance of the device.

Compared with the prior art, the invention has the beneficial effects that:

the invention controls the flow rate of air flow by opening and closing the closing plate, the filter screen filters large impurities contained in waste gas, the water pump pumps water from the water tank and then conveys the water to the water spray nozzle through the water pipeline, the water spray nozzle sprays the water on the waste gas to remove large particles and dust in the waste gas, the waste gas after the first treatment enters the right side chamber through the air pipeline, because the heating resistance wire works to increase the temperature in the right-side chamber, the activity of the particles is improved, when the waste gas passes through the filter plate, the particles contained in the waste gas are more easily absorbed by the active carbon, the purification efficiency of the device and the purification purity of the waste gas are improved, the heat insulation plate outside the filter chamber reduces the heat dissipation speed and reduces the energy consumption, when the device receives the impact, the impact force is transmitted to the hydraulic cylinder through the connecting rod, and the hydraulic cylinder absorbs the impact force, so that the damping effect is achieved, and the stability of the device is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a side cross-sectional view of an air intake member of the present invention;

figure 3 is a schematic view of the filter chamber configuration;

FIG. 4 is a side cross-sectional view of a recovery member according to the present invention;

FIG. 5 is an enlarged view of area A in FIG. 4;

fig. 6 is a perspective view of the support member of the present invention.

In the figure: 1. a work box; 2. an air intake member; 3. a recovery member; 4. a support member; 201. an air intake duct; 202. a fixing buckle; 203. closing the plate; 204. a filter screen; 205. a filtering chamber; 206. an exhaust duct; 207. a heat insulation plate; 208. a heating resistance wire; 301. a partition plate; 302. a water tank; 303. a water filling port; 304. a water pump; 305. a water pipeline; 306. a water jet; 307. an air duct; 308. a filter plate; 309. a filtration pore; 310. activated carbon; 401. mounting a bottom plate; 402. mounting holes; 403. a hydraulic cylinder; 404. a connecting rod; 405. a cushioning pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 6, a laboratory waste gas heat recovery device includes a work box 1, an air inlet member 2 for recovering waste gas is disposed at one end of the work box 1, a recovery member 3 for purifying waste gas is disposed inside the work box 1, and a support member 4 for supporting a device is disposed at a lower end of the work box 1.

The recovery member 3 comprises a partition plate 301, a water tank 302, a filler 303, a water pump 304, a water pipe 305, a water spray 306, an air pipe 307, a filter plate 308, filter holes 309 and activated carbon 310, a partition plate 301 is welded in the filter chamber 205, the partition plate 301 divides the filter chamber 205 into a left independent side chamber and a right independent side chamber, a water tank 302 is welded on the left side chamber of the filtering chamber 205, a water filling port 303 is arranged at the upper end of the water tank 302, one end of the water tank 302 is communicated with the water inlet of the water pump 304, the water outlet of the water pump 304 is communicated with one end of the water pipeline 305, the other end of the water pipe 305 is communicated with the water spray opening 306, the middle part of the partition plate 301 is penetrated with the air pipe 307, the right side indoor welding of filter chamber 205 has filter plate 308, filter hole 309 has been seted up to one end of filter plate 308, filter hole 309 is inside to be filled with active carbon 310.

The middle part of the partition plate 301 valve is provided with a through hole, the ventilation pipeline 307 is rotatably connected inside the through hole, the water pump 304 is electrically connected with an external power supply device through a lead, and the working voltage of the water pump 304 is 220V.

Example 1: waste gas enters into the work box 1 inside through the component 2 that admits air, can carry out the preliminary treatment to waste gas when waste gas passes through, get rid of the large-scale impurity that wherein contains, the recovery component 3 of the inside of work box 1 begins work after waste gas reachs, carry out dual purification process to waste gas, the first purification process is used for getting rid of the large-scale granule and the raise dust that contain in the waste gas, the second is said and is purified the process and is used for getting rid of the small-size granule that contains in the waste gas, improve the purification purity of waste gas, supporting member 4 of work box 1 lower extreme is used for sharing the weight of device and the stability of holding device.

Example 2: the air inlet pipeline 201 is butted with an air outlet of a laboratory through the fixing buckle 202, the closing plate 203 can be opened and closed at any time to control the passing of air flow, large impurities contained in waste gas are filtered when the waste gas passes through the filter screen 204, then the waste gas enters the left chamber of the filter chamber 205 through the air inlet pipeline 201, the water pump 304 in the left chamber pumps water from the water tank 302, then the water is conveyed to the water spray opening 306 through the water pipeline 305, the water spray opening 306 sprays water onto the waste gas to remove large particles and raised dust in the waste gas, the waste gas after the first treatment enters the right chamber through the ventilation pipeline 307 in the middle of the partition plate 301, the temperature in the right chamber is increased due to the work of the heating resistance wire 208, the activity of the particles is improved, the particles contained in the waste gas are more easily absorbed by the activated carbon 310 in the filter holes 309 when the waste gas passes through the filter plate 308, and the heat dissipation, reduce the consumption of the energy, purify the waste gas of accomplishing and export the external world through exhaust duct 206, mounting hole 402 is fixed mounting plate 401 in the assigned position to install whole device at the assigned position, when the device received the impact, the impact force transmits pneumatic cylinder 403 through connecting rod 404, and pneumatic cylinder 403 absorbs the impact force, plays absorbing effect, and the cushioning pad 405 can strengthen the shock attenuation effect of device, improves the stability of device.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a laboratory waste gas heat recovery device, includes work box (1), its characterized in that: one end of the working box (1) is provided with an air inlet component (2) for recovering waste gas, a recovery component (3) for purifying the waste gas is arranged in the working box (1), and the lower end of the working box (1) is provided with a supporting component (4) for adjusting the height of the device.

2. The laboratory exhaust heat recovery device according to claim 1, wherein: the air inlet component (2) comprises an air inlet pipeline (201), a fixing buckle (202), a sealing plate (203), a filter screen (204), a filter chamber (205), an air outlet pipeline (206), a heat insulation plate (207) and a heating resistance wire (208), one end of the working box (1) is welded with one end of an air inlet pipeline (201), the other end of the air inlet pipeline (201) is welded with a fixing buckle (202), the inside of the fixing buckle (202) is connected with a sealing plate (203) in a sliding way, a filter screen (204) is welded in the air inlet pipeline (201), one end of the air inlet pipeline (201) extends to the inside of the working box (1) and is welded at one end of the filter chamber (205), the other end of the filtering chamber (205) is welded with an exhaust pipeline (206), the outer side of the filtering chamber (205) is paved with a heat insulation plate (207), and the inner wall of the filtering chamber (205) is paved with a heating resistance wire (208).

3. The laboratory exhaust heat recovery device according to claim 1, wherein: the recovery component (3) comprises a separation plate (301), a water tank (302), a water filling port (303), a water pump (304), a water pipeline (305), a water spraying port (306), a ventilation pipeline (307), a filter plate (308), a filter hole (309) and active carbon (310), the separation plate (301) is welded in the filter chamber (205), the filter chamber (205) is separated into a left independent side chamber and a right independent side chamber by the separation plate (301), the water tank (302) is welded in the left side chamber of the filter chamber (205), the water filling port (303) is arranged at the upper end of the water tank (302), one end of the water tank (302) is communicated with the water inlet of the water pump (304), the water outlet of the water pump (304) is communicated with one end of the water pipeline (305), the other end of the water pipeline (305) is communicated with the water spraying port (306), the ventilation pipeline (307) penetrates through the, the right side indoor welding of filter chamber (205) has filter plate (308), filter hole (309) have been seted up to the one end of filter plate (308), filter hole (309) inside packing has active carbon (310).

4. The laboratory exhaust heat recovery device according to claim 1, wherein: supporting member (4) are including mounting plate (401), mounting hole (402), pneumatic cylinder (403), connecting rod (404) and bradyseism pad (405), mounting hole (402) have been seted up to the upper end of mounting plate (401), the upper end welding of mounting plate (401) has the lower extreme of pneumatic cylinder (403), the upper end welding of pneumatic cylinder (403) has the lower extreme of connecting rod (404), the upper end welding of connecting rod (404) is at the lower extreme of work box (1), bradyseism pad (405) has been laid to the lower extreme of mounting plate (401).

5. A laboratory exhaust heat recovery device according to claim 2, characterized in that: the diameter of the closing plate (203) is the same as that of the air inlet pipeline (201), the diameter of the filter screen (204) is the same as that of the air inlet pipeline (201), and the other end of the exhaust pipeline (206) extends to the outer side of the working box (1).

6. A laboratory exhaust heat recovery device according to claim 3, characterized in that: the upper end of the water filling port (303) extends to the upper end surface of the working box (1), the number of the water spraying ports (306) is provided with a plurality of groups, and the plurality of groups of the water pipelines (305) are arranged at the upper end of the inner wall of the filtering chamber (205) at equal intervals.

7. A laboratory exhaust heat recovery device according to claim 3, characterized in that: the length of filter board (308) is the same with the height of filter chamber (205), the quantity of filter board (308) has two, two filter board (308) are around the central line symmetry arrangement of filter chamber (205) right side room, every the one end of filter board (308) is equallyd divide and has been seted up a plurality of filter holes (309) of group, the diameter of filter hole (309) is 5 mm.

8. A laboratory exhaust heat recovery device according to claim 2, characterized in that: the heating chamber (205) is of a double-layer hollow structure, the heat insulation plates (207) are made of asbestos, the thickness of the heat insulation plates (207) is 2cm, the heating resistance wires (208) are arranged in an S shape between the inner walls of the filtering chamber (205), and the heating resistance wires (208) are electrically connected with external power supply equipment through wires.

9. The laboratory exhaust heat recovery device according to claim 4, wherein: the number of the mounting holes (402) is four, the four mounting holes (402) are respectively arranged at four corners of the mounting base plate (401), the number of the connecting rods (404) is two, the two connecting rods (404) are symmetrically arranged relative to the center line of the bottom surface of the working box (1), and the cushioning pad (405) is made of a PVC (polyvinyl chloride) cushioning material.