CN218692436U

CN218692436U - Exhaust device for printing waste gas and ventilation system for printing workshop

Info

Publication number: CN218692436U
Application number: CN202222934706.8U
Authority: CN
Inventors: 陈勇; 洪成文; 李向阳; 刘永峰; 洪成武
Original assignee: Huanggang Xinhua Printing Co ltd
Current assignee: Huanggang Xinhua Printing Co ltd
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-03-24
Anticipated expiration: 2032-11-04

Abstract

The utility model relates to a lithography apparatus technical field specifically is exhaust apparatus and printing workshop of printing waste gas with ventilation system, including the blast pipe, the bottom fixed mounting of blast pipe has the gas collecting channel body, be provided with the clearance mechanism that is used for self-cleaning on the gas collecting channel body: the cleaning mechanism comprises a water pump, a liquid storage tank, a liquid inlet pipe, an annular nozzle, a water outlet pipe, a three-way pipe, a tap water pipe and a connecting pipe, the water pump is fixedly mounted on the right side of the gas collecting hood body, the liquid storage tank is fixedly mounted on the left side of the gas collecting hood body, and a water inlet of the water pump is communicated with the liquid inlet pipe, one end of the liquid inlet pipe penetrates through the liquid storage tank and extends to the inside of the liquid storage tank. This ventilation system is used in exhaust apparatus and printing workshop of printing waste gas, through the clearance mechanism that sets up, when the inside adnexed greasy dirt impurity of gas collecting channel is more, spray the cleaning solution earlier and dissolve the greasy dirt, the water spray washes again, so, need not to dismantle the self-cleaning operation that the gas collecting channel also can carry out the gas collecting channel, has made things convenient for user's use.

Description

Exhaust device for printing waste gas and ventilation system for printing workshop

Technical Field

The utility model relates to a lithography apparatus technical field specifically is ventilation system is used in exhaust apparatus and the printing workshop of printing waste gas.

Background

The printing ink is widely applied to the printing industry, and the printing ink contains a plurality of chemical components harmful to human bodies, the chemical components are heated and volatile, a plurality of printing units arranged at intervals are arranged on a production line of multicolor printing in a printing factory, paper is conveyed and printed among the printing units, when the printing units work, the printing ink is heated and volatile, the printing ink is discharged into a room to pollute the indoor environment, the health of workers is influenced, exhaust gas is discharged by an indoor exhaust fan, the indoor air fluidity is improved, and the indoor environment is purified.

The printing workshop basically discharges the waste gas by using the gas collecting hood, because the waste gas contains printing ink, after a period of work, more oil and dirt are easily adhered to the gas collecting hood, and the normal use of the gas collecting device can be influenced by untimely cleaning.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides an exhaust apparatus and printing workshop of printing waste gas are with ventilation system possesses advantages such as self-cleaning, has solved current gas collecting channel clearance mode and has dismantled it basically and get off and carry out manual clearance, the comparatively problem of wasting time and energy.

In order to achieve the above purpose, the utility model provides a following technical scheme: the exhaust device for printing waste gas and the ventilation system for the printing workshop comprise exhaust pipes, wherein a gas collecting hood body is fixedly installed at the bottom of each exhaust pipe, an installation mechanism is arranged on each gas collecting hood body, an opening and closing mechanism is arranged at the bottom of each gas collecting hood body, and a cleaning mechanism for automatic cleaning is arranged on each gas collecting hood body.

Further, the cleaning mechanism comprises a water pump, a liquid storage tank, a liquid inlet pipe, an annular nozzle, a water outlet pipe, a three-way pipe, a tap water pipe and a connecting pipe, the water pump is fixedly mounted on the right side of the gas collecting hood body, the liquid storage tank is fixedly mounted on the left side of the gas collecting hood body, a water inlet of the water pump is communicated with the liquid inlet pipe, one end of the liquid inlet pipe penetrates through the liquid inlet pipe and extends into the liquid storage tank, the annular nozzle is fixedly mounted inside the gas collecting hood body, a water outlet of the water pump is communicated with the water outlet pipe, one end, far away from the water pump, of the water outlet pipe is communicated with the three-way pipe, the top of the three-way pipe is communicated with the tap water pipe, and the left side of the three-way pipe is communicated with the connecting pipe, one end of which penetrates through the gas collecting hood body and is communicated with the annular nozzle.

Further, a water outlet pipe valve is arranged on the outer side of the water outlet pipe, and a tap water pipe valve is arranged on the outer side of the tap water pipe.

Further, installation mechanism includes fixed plate, installation piece, threaded rod and nut, the left and right sides of blast pipe and the equal fixed mounting in top that is located the gas collecting channel body have the fixed plate, the equal fixed mounting in left and right sides of gas collecting channel body has the installation piece, two the back of installation piece all articulates there is the threaded rod that one end runs through and extends to the fixed plate top, two the outside of threaded rod and the equal threaded connection in top that is located the fixed plate have the nut.

Further, two threaded rod grooves are formed in one side, back to back, of the fixing plate and are matched with the threaded rods.

Further, the mechanism that opens and shuts includes locating plate, framework, collection box, rack, driving motor and gear, the bottom fixed mounting of gas collecting channel body has quantity to be two locating plates, two one side slidable mounting that the locating plate is relative has the framework, the bottom fixed mounting of framework has the collection box, the top fixed mounting of framework has the rack, the left side fixed mounting of gas collecting channel body has driving motor, driving motor's output fixed mounting has the gear, the rack meshes with the gear mutually.

Further, the bottom of the collecting box is communicated with a drain pipe, and a drain valve is arranged on the outer side of the drain pipe.

A vent system for a press shop, comprising: a plurality of exhaust devices for printing off-gas as described above.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this exhaust apparatus and printing workshop of printing waste gas are with ventilation system, through the clearance mechanism that sets up, when the inside adnexed greasy dirt impurity of gas collecting channel is more, spray cleaning solution earlier and dissolve the greasy dirt, the water spray washes again, so, need not to dismantle the self-cleaning operation that the gas collecting channel also can carry out the gas collecting channel, has made things convenient for user's use.

2. This ventilation system is used in exhaust apparatus and printing workshop of printing waste gas through the mechanism that opens and shuts that sets up, when clean gas collecting channel, can remove the gas collecting channel below with collecting the box to collect the sewage that produces when clean, after the cleanness finishes, can operate and collect the box and reset, do not influence the normal use of gas collecting channel, further the use that has made things convenient for the user.

Drawings

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

FIG. 2 is an enlarged view of the point A in FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of the section B of FIG. 1 according to the present invention;

FIG. 4 is an enlarged view of the point C of FIG. 1 according to the present invention;

fig. 5 is a schematic structural view of the ventilation system for a press room of the present invention.

In the figure: the gas collecting hood comprises an exhaust pipe 1, a gas collecting hood body 2, a cleaning mechanism 3, a water pump 31, a liquid storage tank 32, a liquid inlet pipe 33, an annular nozzle 34, a water outlet pipe 35, a three-way pipe 36, a tap water pipe 37, a connecting pipe 38, a mounting mechanism 4, a fixing plate 41, a mounting block 42, a threaded rod 43, a nut 44, an opening and closing mechanism 5, a positioning plate 51, a frame 52, a collecting box 53, a rack 54, a driving motor 55 and a gear 56.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the exhaust device of printing waste gas and the ventilation system for printing shop in the present embodiment includes an exhaust pipe 1, a gas collecting hood body 2 is fixedly installed at the bottom of the exhaust pipe 1, an installation mechanism 4 is installed on the gas collecting hood body 2, an opening and closing mechanism 5 is installed at the bottom of the gas collecting hood body 2, and a cleaning mechanism 3 for automatic cleaning is installed on the gas collecting hood body 2.

In this embodiment, the cleaning mechanism 3 includes a water pump 31, a liquid storage tank 32, a liquid inlet pipe 33, an annular nozzle 34, a water outlet pipe 35, a three-way pipe 36, a tap water pipe 37 and a connecting pipe 38, the right side of the gas collecting hood body 2 is fixedly provided with the water pump 31, the left side of the gas collecting hood body 2 is fixedly provided with the liquid storage tank 32, a water inlet of the water pump 31 is communicated with the liquid inlet pipe 33, one end of the water inlet pipe is penetrated through and extends into the liquid storage tank 32, the annular nozzle 34 is fixedly arranged inside the gas collecting hood body 2, a water outlet of the water pump 31 is communicated with the water outlet pipe 35, one end of the water outlet pipe 35, which is far away from the water pump 31, is communicated with the three-way pipe 36, the top of the three-way pipe 36 is communicated with the tap water pipe 37, and the left side of the three-way pipe 36 is communicated with the connecting pipe 38, one end of which is penetrated through the gas collecting hood body 2 and is communicated with the annular nozzle 34;

the outer side of the water outlet pipe 35 is provided with a water outlet pipe valve, and the outer side of the tap water pipe 37 is provided with a tap water pipe valve.

Specifically, the water outlet pipe valve is opened, the tap water pipe valve is closed, the water pump 31 is started to spray cleaning solution in the liquid storage tank 32 to the inner wall of the gas collecting channel body 2 through the annular nozzle 34, the cleaning solution can dissolve oil stain attached to the gas collecting channel body 2, the tap water pipe valve is opened, the water outlet pipe valve is closed, and tap water is sprayed to the inner wall of the gas collecting channel body 2 along the annular nozzle 34 to be washed, so that the automatic cleaning operation of the gas collecting channel is realized.

In this embodiment, the mounting mechanism 4 includes a fixing plate 41, mounting blocks 42, threaded rods 43 and nuts 44, the fixing plate 41 is fixedly mounted on both sides of the exhaust pipe 1 and above the gas collecting channel body 2, the mounting blocks 42 are fixedly mounted on both sides of the gas collecting channel body 2, the threaded rods 43 with one ends penetrating and extending above the fixing plate 41 are hinged to the back surfaces of the two mounting blocks 42, and the nuts 44 are connected to the outer sides of the two threaded rods 43 and above the fixing plate 41 by threads.

Specifically, when the gas collecting channel body 2 is installed, the gas collecting channel body 2 is sleeved outside the exhaust pipe 1 and tightly attached to the fixing plate 41, the threaded rod 43 is turned upwards to be clamped above the fixing plate 41, and the nut 44 is screwed down, so that the installation operation of the gas collecting channel body 2 can be completed.

In this embodiment, a threaded rod groove is formed in one side of each of the two fixing plates 41 opposite to each other, and the threaded rod groove is matched with the threaded rod 43.

In particular, the threaded rod 43 is conveniently clamped into or separated from the fixing plate 41 through the threaded rod groove.

In this embodiment, the opening and closing mechanism 5 includes two positioning plates 51, a frame body 52, a collecting box 53, a rack 54, a driving motor 55, and a gear 56, the bottom of the gas collecting hood body 2 is fixedly mounted with the two positioning plates 51, one side of the two positioning plates 51 opposite to each other is slidably mounted with the frame body 52, the bottom of the frame body 52 is fixedly mounted with the collecting box 53, the top of the frame body 52 is fixedly mounted with the rack 54, the left side of the gas collecting hood body 2 is fixedly mounted with the driving motor 55, the output end of the driving motor 55 is fixedly mounted with the gear 56, and the rack 54 is engaged with the gear 56.

Specifically, when the gas collecting hood is cleaned, the driving motor 55 can be operated to drive the gear 56 to rotate, the gear 56 transmits power to the rack 54, the rack 54 drives the collecting box 53 to move to the lower part of the gas collecting hood, sewage generated when the gas collecting hood is cleaned is collected, and the sewage can be effectively prevented from falling onto a printing machine; when the gas collecting channel discharges waste gas, the driving motor 55 is operated to drive the collecting box 53 to move to the left side of the gas collecting channel, so that the collecting box 53 does not influence the normal use of the gas collecting channel.

In this embodiment, the bottom of the collecting box 53 is communicated with a drain pipe, and a drain valve is arranged outside the drain pipe.

Specifically, the sewage in the collecting box 53 can be discharged along the sewage discharge pipe by opening the sewage discharge valve.

A vent system for a press shop, comprising: a plurality of exhaust devices for printing off-gas as described above, each exhaust pipe 4 having an upper end communicating through a discharge pipe to discharge the off-gas to the external environment through the discharge pipe.

An exhaust fan is fixedly installed inside the exhaust duct 1.

The working principle of the above embodiment is as follows:

(1) Sleeving the gas collecting hood body 2 on the outer side of the exhaust pipe 1 and tightly attaching to the fixing plate 41, turning the threaded rod 43 upwards to clamp the threaded rod above the fixing plate 41, screwing the screw cap 44, completing the installation operation of the gas collecting hood body 2, starting the exhaust fan, and allowing waste gas to enter the exhaust pipe 1 along the gas collecting hood body 2 so as to be discharged into the external environment;

(2) When oil contamination and impurities attached to the inside of the gas collecting hood body 2 are more, the water outlet pipe valve is opened, the tap water pipe valve is closed, the water pump 31 is started to spray cleaning liquid in the liquid storage tank 32 to the inner wall of the gas collecting hood body 2 through the annular nozzle 34, the cleaning liquid can dissolve the oil contamination attached to the gas collecting hood body 2, the tap water pipe valve is opened, the water outlet pipe valve is closed, and tap water is sprayed to the inner wall of the gas collecting hood body 2 along the annular nozzle 34 to wash the inner wall, so that the automatic cleaning operation of the gas collecting hood is realized;

(3) When the gas-collecting hood is cleaned, the driving motor 55 can be operated to drive the gear 56 to rotate, the gear 56 transmits power to the rack 54, the rack 54 drives the collecting box 53 to move to the lower part of the gas-collecting hood, sewage generated during cleaning of the gas-collecting hood is collected, and the sewage can be effectively prevented from falling onto a printing machine; when the gas collecting channel discharges waste gas, the driving motor 55 is operated to drive the collecting box 53 to move to the left side of the gas collecting channel, so that the collecting box 53 does not influence the normal use of the gas collecting channel.

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. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

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. Exhaust apparatus of printing waste gas, including blast pipe (1), the bottom fixed mounting of blast pipe (1) has gas collecting channel body (2), be provided with installation mechanism (4) on gas collecting channel body (2), the bottom of gas collecting channel body (2) is provided with mechanism (5), its characterized in that opens and shuts: the gas collecting channel body (2) is provided with a cleaning mechanism (3) for automatic cleaning.

2. The exhaust device for printing off-gas according to claim 1, characterized in that: the cleaning mechanism (3) comprises a water pump (31), a liquid storage tank (32), a liquid inlet pipe (33), an annular nozzle (34), a water outlet pipe (35), a three-way pipe (36), a tap water pipe (37) and a connecting pipe (38), the water pump (31) is fixedly installed on the right side of the gas collecting hood body (2), the liquid storage tank (32) is fixedly installed on the left side of the gas collecting hood body (2), a water inlet of the water pump (31) is communicated with the liquid inlet pipe (33) with one end penetrating through and extending to the inside of the liquid storage tank (32), the annular nozzle (34) is fixedly installed inside the gas collecting hood body (2), a water outlet of the water pump (31) is communicated with a water outlet pipe (35), one end, far away from the water pump (31), of the water outlet pipe (35) is communicated with the three-way pipe (36), the top of the three-way pipe (36) is communicated with the tap water pipe (37), and the left side of the three-way pipe (36) is communicated with the connecting pipe (38) with the connecting pipe with one end penetrating through the gas collecting hood body (2) and communicated with the annular nozzle (34).

3. The exhaust device for printing off-gas according to claim 2, characterized in that: and a water outlet pipe valve is arranged on the outer side of the water outlet pipe (35), and a tap water pipe valve is arranged on the outer side of the tap water pipe (37).

4. The exhaust device for printing off-gas according to claim 2, characterized in that: installation mechanism (4) are including fixed plate (41), installation piece (42), threaded rod (43) and nut (44), the left and right sides of blast pipe (1) and the equal fixed mounting in top that is located gas collecting channel body (2) have fixed plate (41), the equal fixed mounting in left and right sides of gas collecting channel body (2) has installation piece (42), two the back of installation piece (42) all articulates threaded rod (43) that one end runs through and extends to fixed plate (41) top, two the outside of threaded rod (43) and the equal threaded connection in top that is located fixed plate (41) have nut (44).

5. The exhaust device for printing off-gas according to claim 4, characterized in that: two the one side that fixed plate (41) carried on the back mutually all seted up the screw rod groove, screw rod groove and threaded rod (43) phase-match.

6. The exhaust device for printing off-gas according to claim 1, characterized in that: mechanism (5) opens and shuts includes locating plate (51), framework (52), collects box (53), rack (54), driving motor (55) and gear (56), the bottom fixed mounting of gas collecting channel body (2) has quantity to be two locating plate (51), two one side slidable mounting that locating plate (51) is relative has framework (52), the bottom fixed mounting of framework (52) has collection box (53), the top fixed mounting of framework (52) has rack (54), the left side fixed mounting of gas collecting channel body (2) has driving motor (55), the output fixed mounting of driving motor (55) has gear (56), rack (54) and gear (56) mesh mutually.

7. The exhaust device for printing off-gas according to claim 6, wherein: the bottom of the collecting box (53) is communicated with a sewage discharge pipe, and a sewage discharge valve is arranged on the outer side of the sewage discharge pipe.

8. A ventilation system for a printing workshop is characterized in that: the method comprises the following steps: a plurality of printing off-gas exhausts as claimed in any of claims 1 to 7.