CN209451565U - The cabinet type small-sized off-line ash-clearing deduster of one - Google Patents

Abstract

The utility model belongs to Environmental-protecting dust-removing apparatus field, the especially cabinet type small-sized off-line ash-clearing deduster of one, including lower box is arranged from bottom to top, middle cabinet, upper box, integrated cabinet is set on upper box, vertical partition plate is set in upper box, upper box is separated into n branch's air-purifying chamber and a vertical shaft by vertical partition plate, the net gas entrance of n branch corresponding with n branch's air-purifying chamber is respectively set on the side wall of vertical shaft, n branch pneumatic operated valve corresponding with the net gas entrance of n branch is set in n branch's air-purifying chamber, branch's pneumatic operated valve is horizontally fixed on upper box side plate interior sides, the upper end of vertical shaft is connected to the net gas gas outlet on partition, the lower end of vertical shaft and card airtight connection, 2≤n≤4.The utility model realizes off-line ash-clearing and Jie's cloth binary dedusting structure, effectively improves the deashing and filter efficiency of filter cylinder, and it is small in size, beautiful and generous, suction is strong, noise is small, after increasing secondary air filter, can be directly used for dust proof workshop.

Description

The cabinet type small-sized off-line ash-clearing deduster of one

Technical field

The utility model belongs to Environmental-protecting dust-removing apparatus field, especially a kind of cabinet type small-sized off-line ash-clearing deduster of one.

Background technique

Traditional Integral small-sized deduster takes " line pulse jetting deashing " technique, i.e. deduster is being dusted Deashing work is carried out while work, at this point, connection communicates between body of deduster inner space and pipeline exterior space, It does not block, air-flow is flowing.Due to being to carry out pulse jetting deashing in the open space under negative pressure state, dust is de- After cloth bag or filter cylinder surface, there is 3 whereabouts: a part of (coarse, heavy, agglomeration) falls directly into ash bucket；A part is adjacent Nearly cloth bag or filter cylinder absorption, referred to as put up a bridge；A part high pressure draught to be blown is adsorbed onto original cloth bag or filter after disappearing again Cylinder surface, is referred to as to stay attached；Due to putting up a bridge and staying attached effect, online ash removal is made to have the high-frequency of no thoroughness and deashing special Property.

It is important to note that at high pressure gas pulse jetting deashing moment (instant of time t≤0.2S, similarly hereinafter), filter The micropore of cloth necessarily occurs expanding phenomenon, switchs to the micropore closure moment of negative pressure when high pressure draught disappears, has 2 kinds of situations hairs It is raw:

First, it can pass through there are many fine-ultra tiny dust from the micropore of expansion, i.e., micropore leaks, due to pulse jet The high frequency characteristics of deashing, therefore, the micropore leakage of this moment will take care of the pence, and finally be substantially reduced the mistake of filter cloth itself Filter precision rate.

After this phenomenon is opened suddenly just like the skylight closed, and close suddenly, therefore, referred to as " skylight " effect.

Second, when can pass through there are many fine-ultra tiny dust from the micropore of expansion, blocked by the fibr tissue of filter cloth, It stays within filter layer of cloth, i.e. filter cloth dirt pits, due to the high frequency characteristics of pulse jetting deashing, this filter cloth dirt pits is just It can take care of the pence, multiple filter cloth dirt pits set form node, and multiple node sets form knot and block up, and finally significantly improve the resistance of filter cloth Force value.

Therefore, there is " bridging ", " staying attached ", " skylight ", " knot in traditional online ash removal formula Integral small-sized deduster It is stifled " 4 negative effects, seriously affect efficiency of dust collection, filtering accuracy, Resistance Value.

Patent No. " 201320884755.3 ", the utility model of entitled " a kind of cellular-type off-line ash-clearing deduster " are special Benefit, discloses a kind of off-line ash-clearing deduster, but when being applied to small-size dust remover, the structure of small-size dust remover and moulding quilt completely It destroys, advantage absolutely not small in size, occupied area is small, and due to space limitations, offline dedusting may not apply to Small space item；Also the control cabinet of existing Integral small-sized deduster, exhaust fan are generally outer is hung on deduster, can not Meet demand of the especially environmental requirement relatively high project in small space to dedusting, how to ensure Integral small-sized deduster advantage Under the premise of, and it is able to achieve off-line ash-clearing, it is problem in urgent need to solve.

Summary of the invention

In order to overcome the defects of the prior art described above, the utility model proposes the cabinet type small-sized off-line ash-clearing deduster of one, The advantages that Integral small-sized deduster is small in size, occupied area is small is not only remained, and realizes the offline pulse in small space Jetting deashing effectively improves the deashing and filter efficiency of filter cylinder.Technical problem to be solved in the utility model is by as follows What technical solution was realized:

A kind of cabinet type small-sized off-line ash-clearing deduster of one, including lower box, the middle cabinet, top box being arranged from bottom to top Body, lower box is interior to be arranged ash bucket, several filter cylinders is equipped in raising middle flask body, upper box is interior equipped with several high pressure gas jets, raising middle flask Body and upper box are separated by card, and integrated cabinet is arranged in the upper surface of upper box, and upper box and integrated cabinet are separated by partition, Net gas gas outlet is set on partition；

Vertical partition plate is set in upper box, upper box is separated into n branch's air-purifying chamber and a vertical shaft by vertical partition plate, The lower end of each branch's air-purifying chamber is arranged by the corresponding connection of the intracorporal filter cylinder of raising middle flask described in Hua Kongyu, high pressure gas jets in each branch The upper end of air-purifying chamber is corresponding with flower hole, and n branch corresponding with n branch air-purifying chamber is respectively set on the side wall of vertical shaft Net gas entrance, is arranged n branch pneumatic operated valve corresponding with the net gas entrance of the n branch, branch's gas in n branch's air-purifying chamber Dynamic valve is horizontally fixed on upper box side plate interior sides, and the upper end of vertical shaft is connected to the net gas gas outlet on the partition, under vertical shaft End and the card airtight connection, the range of n are 2≤n≤4；

Embedded control cabinet is set in upper box front side board, exhaust fan control switch is set in embedded control cabinet, is divided Branch pneumatic operated valve control switch, pulse valve control switch, power switch, PLC, branch's pneumatic operated valve control switch, pulse valve control are opened Pass is electrically connected with PLC respectively；

In integrated cabinet front side board, embedded pulse valve cabinet is set, the back side panel of integrated cabinet be arranged net gas exhaust outlet, Exhaust fan, the air inlet of exhaust fan is arranged in high pressure gas air inlet pipe and gas bag drainpipe, Junction box assembly in the integrated cabinet Be connected to the net gas gas outlet of the partition, the air outlet of exhaust fan is corresponding with the net gas exhaust outlet, net gas exhaust outlet with Silencing exhaust pipe connection, is arranged several pulse valves in embedded pulse valve cabinet, sets above the embedded pulse valve cabinet Set high pressure gas bag, the high pressure gas bag, pulse valve and high pressure gas jets are connected by high-pressure air pipe, high pressure gas bag respectively with institute Gas bag drainpipe is stated to connect with high pressure gas air inlet pipe.

Further, vertical shaft is square cylinder, rectangle cylinder or polygon cylinder, the net gas entrance of branch be it is round, rectangular or Rectangle.

Further, branch's pneumatic operated valve includes cylinder and valve plate, and valve plate is fixedly connected with the piston rod of cylinder, in valve plate Sealing strip is arranged in front end face, when intracorporal some filter cylinder of centering case carries out off-line ash-clearing, valve plate forward extend out cover it is corresponding The net gas entrance of the branch of branch's air-purifying chamber.

Further, branch's pneumatic operated valve avoids spending the surface setting in hole, and branch's pneumatic operated valve is fixedly connected with pedestal, pedestal It is fixedly connected with interior concave character type plate, interior concave character type plate is fixedly connected with the reinforcing rib of upper box side plate, in the side plate pair of upper box Answer setting maintenance door at interior concave character type plate.

Specifically, when the net gas gas outlet position of the air inlet of exhaust fan and the vertical shaft upper end interlocks, setting makes The dislocation mechanism that the air inlet of exhaust fan is connected to the net gas gas outlet of vertical shaft upper end, dislocation mechanism are height 30mm-80mm's The lower part of square body, rectangular body, cylindrical body, the mechanism that misplaces is connected to partition airtight connection and with net gas gas outlet, and misplace machine The top of structure and the exhaust fan air inlet airtight connection are simultaneously connected to exhaust fan air inlet.

Specifically, middle cabinet top is arranged on the side plate at card in the waste gas inlet of deduster, with flue gas leading Dust and gas separating mechanism is arranged in the corresponding middle box inside of waste gas inlet in connection.

Specifically, sound-absorbing material is attached in the inner surface of integrated cabinet, silencing exhaust pipe includes the first bend muffler, eliminates the noise Noise elimination is respectively set in the inner surface of the first bend muffler, noise elimination straight tube and the second bend muffler in straight tube and the second bend muffler Material.

Preferably, after air filter, the entrance and integrated box of after air filter are set on integrated cabinet top The outlet of the gas-discharging silencing tube of body connects, and highly effective air filter core is arranged in after air filter.

The utility model not only remains the advantages that Integral small-sized deduster is small in size, occupied area is small, and realizes The offline pulse jetting deashing in small space, effectively improves the deashing and filter efficiency of filter cylinder, and suction is strong, noise is small, beautiful See it is generous, increase secondary air filter after, can be directly used for dust proof workshop, especially suitable for small space use.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the rearview of Fig. 1；

Fig. 3 is the schematic diagram of internal structure of the utility model；

Fig. 4 is the top view of upper box；

Fig. 5 is the schematic diagram of sound-absorbing material and deadener；

Fig. 6 is the structural schematic diagram of exhaust fan；

Fig. 7 is the vertical view enlarged diagram of gasket mechanism；

Fig. 8 is the top view of exhaust fan；

Fig. 9 is the structural schematic diagram that the utility model installs air filter additional.

Specific embodiment

Fig. 1 is the structural schematic diagram of the utility model；Fig. 2 is the rearview of Fig. 1；Fig. 3 is the internal junction of the utility model Structure schematic diagram.As shown in Figures 1 to 3, the cabinet type small-sized off-line ash-clearing deduster of a kind of one, including the support leg being arranged from bottom to top 5, integrated cabinet 2 is arranged in the upper surface of upper box 1 in lower box 4, middle cabinet 3, upper box 1, upper box 1 and integrated cabinet 2 by every Plate 8 separates, and net gas gas outlet 8.1 is arranged on partition 8, lower box 4 and support leg 5 are separated by bottom plate 6, middle cabinet 3 and top box Body 1 is separated by card 7, and upper box 1 and integrated cabinet 2 are separated by partition 8, and ash bucket 4.1 is arranged in lower box 4, sets in middle cabinet 3 There are several filter cylinders 3.1, several flower holes 7.1 are opened up on card 7, the corresponding flower hole 7.1 of filter cylinder 3.1 is arranged, sets in upper box 1 There are several high pressure gas jets 1.4, the corresponding flower hole 7.1 of high pressure gas jets 1.4 is arranged.

Fig. 4 is the top view of upper box, as shown in figure 4, vertical partition plate 1.1, vertical partition plate 1.1 are arranged in upper box 1 Upper box 1 is separated into n branch's air-purifying chamber 1.2 and a vertical shaft 1.3, the lower end of each branch's air-purifying chamber 1.2 passes through flower hole 7.1 The upper end and flower hole of each branch's air-purifying chamber 1.2 is arranged in connection corresponding with the filter cylinder 3.1 in middle cabinet 3, high pressure gas jets 1.4 7.1 is corresponding, and the net gas entrance 1.5 of n branch corresponding with n branch's air-purifying chamber 1.2 is respectively set on the side wall of vertical shaft 1.3, N branch pneumatic operated valve corresponding with the net gas entrance 1.5 of n branch, branch's pneumatic operated valve water are set in n branch's air-purifying chamber 1.2 Flat to be fixed on 1 side plate interior sides of upper box, the upper end of vertical shaft 1.3 is connected to the net gas gas outlet 8.1 on partition 8, under vertical shaft 1.3 End and 7 airtight connection of card, the range of above-mentioned described n are 2≤n≤4.

Vertical shaft 1.3 is square cylinder, rectangle cylinder or polygon cylinder, and the net gas entrance 1.5 of branch is round, rectangular or rectangular Shape, branch's pneumatic operated valve include cylinder 1.6 and valve plate 1.7, and as shown in figure 3 and figure 4, the piston rod of valve plate 1.7 and cylinder 1.6 is solid for ginseng Sealing strip 1.8 is arranged in the front end face of valve plate 1.7, when some filter cylinder 3.1 in centering cabinet 3 carries out off-line ash-clearing in fixed connection When, valve plate 1.7 forward extends out the net gas entrance 1.5 of branch for covering corresponding branch's air-purifying chamber 1.2；Branch's pneumatic operated valve is avoided spending hole 7.1 surface setting, to avoid flowing up for filter cylinder interior air-flow is hindered, branch's pneumatic operated valve is fixedly connected with pedestal 1.9, base Seat 1.9 is fixedly connected with interior concave character type plate 1.10, the fixed company of reinforcing rib 1.11 of interior concave character type plate 1.10 and 1 side plate of upper box It connects, maintenance door 1.12 is set at concave character type plate 1.10 in the side plate of upper box 1 is corresponding.

Embedded control cabinet 1.13 is set in 1 front side board of upper box, exhaust fan control is set in embedded control cabinet 1.13 Make switch, branch's pneumatic operated valve control switch, pulse valve control switch, power switch, PLC, branch's pneumatic operated valve control switch, pulse Valve control switch is electrically connected with PLC respectively.

Embedded pulse valve cabinet 2.1 is set in 2 front side board of integrated cabinet, net gas row is set in the back side panel of integrated cabinet 2 Cable, control is inscribed in port 2.2, high pressure gas air inlet pipe 2.3 and gas bag drainpipe 2.4, Junction box assembly 2.5, Junction box assembly 2.5 Exhaust fan 2.6, the air inlet of exhaust fan 2.6 and the net gas gas outlet of partition 8 is arranged in line processed, hose etc. in integrated cabinet 2 8.1 connections, the air outlet of exhaust fan 2.6 is corresponding with net gas exhaust outlet 2.2, and net gas exhaust outlet 2.2 is connected to silencing exhaust pipe, Several pulse valves 2.7 are set in embedded pulse valve cabinet 2.1, high pressure gas bag is set above embedded pulse valve cabinet 2.1 2.8, high pressure gas bag 2.8, pulse valve 2.7 and high pressure gas jets 1.4 are connected by high-pressure air pipe 2.27, and high pressure gas bag 2.8 is distinguished It is connect with gas bag drainpipe 2.4 and high pressure gas air inlet pipe 2.3.

Shown in Figure 3, side of middle 3 top of cabinet at card 7 is arranged in the waste gas inlet 10 of the utility model It on plate, is connect with flue gas leading (not shown), dust and gas separating mechanism is set on the inside of the corresponding middle cabinet 3 of waste gas inlet 10 11, dust and gas separating mechanism 11 includes upper channel 11.1 and lower channel 11.2, and upper channel 11.1 is by three pieces of vertical panels and middle 3 side of cabinet Plate and card 7 surround the closed downward opening space of a surrounding and top, the upper end of upper channel 11.1 and waste gas inlet The lower end of 10 connections, upper channel 11.1 is arranged lower than waste gas inlet 10 and is connected to lower channel 11.2；Lower channel 11.2 is by three The vertical angle steel 11.3 of root, the intilted semi-circular blade 11.4 of multilayer are surrounded with middle box side, and semi-circular blade 11.4 is solid It is scheduled on three vertical angle steel 11.3, is in triangular trapezoidal, three vertical angle steel 11.3 are fixed with card 7 and middle box side respectively The lower end of connection, lower channel 11.2 is arranged lower than 3.1 bottom of filter cylinder.

When work, the dust-laden exhaust gas containing heavy or high concentrate dust enters from the waste gas inlet 1 of deduster, in process Then channel 2 and lower channel 3 just reach filter cylinder 14, i.e. the travelling route of exhaust gas is that waste gas inlet --- upper channel --- is lower logical Road --- filter cylinder, the motion profile of dust be a strip it is roughly the same, apart from roughly equal "U" shaped path, constitute two The pre- dedusting of grade: firstly, high speed high-energy dust from top to bottom, as it is thick-in-fine grained and heavy dust, in inertia force and again Under the action of power, ash bucket 13 is fallen by upper channel 2, constitutes I grades of inertia force+gravitational dust collections；Secondly, in "U" shaped path One deflecting zero velocity point is arranged at bottom, in-thin-fine particle dusts under gravitational and centrifugal forces, fall directly into again Ash bucket 13 constitutes II grades of centrifugal force+gravitational dust collections；Finally, on remaining thin-fine-ultra tiny dust slowly accelerates from zero velocity It rises and finally reaches filter cylinder, then filtered and removed by filter cylinder.

Fig. 5 is the schematic diagram of sound-absorbing material and deadener, as shown in figure 5, the inner surface in integrated cabinet 2 attaches sound-absorbing Wire netting 2.10 is arranged on 2.9 surface of sound-absorbing material in material 2.9, and the inner surface welding of wire netting 2.10 and integrated cabinet 2 connects It connects, sound-absorbing material 2.9 is made to be firmly secured to the inner surface of integrated cabinet 2, constitute sound proof box；Silencing exhaust pipe includes the first noise elimination Elbow 2.11, noise elimination straight tube 2.12 and the second bend muffler 2.13, in the first bend muffler 2.11, noise elimination straight tube 2.12 and second Deadener 2.14 is respectively set in the inner surface of bend muffler 2.13, and stainless (steel) wire 2.15 is arranged on 2.14 surface of deadener, The inner surface of stainless (steel) wire 2.15 and silencing exhaust pipe is welded to connect, and stainless (steel) wire 2.15 can be the close net of stainless steel, stainless steel Sizing net etc..

Fig. 6 is the structural schematic diagram of exhaust fan, and Fig. 7 is the vertical view enlarged diagram of gasket mechanism, in conjunction with Fig. 6 and Fig. 7 Shown, the air inlet of exhaust fan 2.6 is arranged vertically downward, and the lower end of exhaust fan shell is arranged in exhausting motor-pumped well word reinforcing rib 2.17 For bearing the pressure of vertical direction annular base flange 2.18 is arranged, in ring in face below the air inlet of exhaust fan 2.6 Gasket mechanism is set below shape base flange 2.18, and gasket mechanism includes Gask-O-Seal 2.19, outside fix circle 2.20 With inside fic circle 2.21, outside fix circle 2.20 is set in the outer ring of Gask-O-Seal 2.19, in the inner ring of Gask-O-Seal 2.19 Inside fic circle 2.21 is set, through-hole is set in Gask-O-Seal 2.19, consistent with hole size keep away is set in through-hole Pad 2.22 is shaken, the bottom of antivibration pad 2.22 is adhesively fixed on partition 8, and antivibration pad 2.22 is three pieces or four pieces, is uniformly distributed In Gask-O-Seal 2.19.

The height of outside fix circle 2.20 is greater than the thickness of Gask-O-Seal 2.19, and the height of inside fic circle 2.21 is less than shock-absorbing The thickness of pad 2.22, the purpose being arranged in this way is: higher than Gask-O-Seal 2.19 be in order to position, lower than antivibration pad 2.22 be because It is the elastic material of rubber for antivibration pad 2.22, due to being blocked outward by outside fix circle 2.20 after compressive deformation, There are the spaces that it is deformed inward；The 2.18 size phase of annular base flange of the size of Gask-O-Seal 2.19 and exhaust fan 2.6 Unanimously, annular base flange 2.18 compresses Gask-O-Seal 2.19 and is in contact with antivibration pad 2.22, the annular bottom of exhaust fan 2.6 Seat flange 2.18 is embedded in outside fix circle 2.20, and annular base flange 2.18 compresses Gask-O-Seal 2.19 and and antivibration pad 2.22 being in contact.

Fig. 8 is the top view of exhaust fan, vertical solid uniformly distributed four of the side of exhaust fan shell in conjunction with shown in Fig. 6 and Fig. 8 Determine screw rod 2.23, the lower end of vertical standing screw 2.23 is fixed on partition 8, and locating rod 2.24 is angle steel, is fixed respectively In the upper surface of exhaust fan shell；Fastening cross bar 2.25 is angle steel, is penetrated in the upper end of every two vertical standing screws 2.23 A piece fastening cross bar 2.25, and pass through nut check, fastening cross bar 2.25 and 2.24 tight fit of locating rod；Exhaust fan 2.6 goes out Air port 2.26 and net gas exhaust outlet 2.2 opposing spaced apart certain distance H, distance H are 0.5cm-5cm, and effect is to avoid exhaust fan 2.6 Vibration be directly passed to 1 shell of integrated cabinet, while make 2.6 air outlet of exhaust fan overflow noise in integrated cabinet 1 quilt Absorb a part.

When the air inlet of the exhaust fan 2.6 of the present embodiment and net 8.1 position of gas gas outlet of 1.3 upper end of vertical shaft interlock, if The dislocation mechanism 9 for being connected to the air inlet of exhaust fan 2.6 with the net gas gas outlet 8.1 of 1.3 upper end of vertical shaft is set, dislocation mechanism 9 is Square body, rectangular body, the cylindrical body of height 30mm-80mm, misplace mechanism 9 lower part and 8 airtight connection of partition and with net gas Gas outlet 8.1 is connected to, and the top for the mechanism 9 that misplaces connects with 2.6 air inlet airtight connection of exhaust fan and with 2.6 air inlet of exhaust fan It is logical.

The exhaust fan 2.6 of the present embodiment is high-pressure type blower, and the utility model is using 9-20 type high pressure blower, high pressure Blower has a characteristic of suction superpower (>=3714Pa), exhausting amount big (1250 cubes ms/h), but high-pressure type blower is made an uproar Sound is very big, generally higher than 140dB, the utility model by integrated cabinet 2 be arranged sound-absorbing material 2.9, make integrated cabinet 2 at For a sound proof box, further, the air outlet of exhaust fan and net gas exhaust outlet opposing spaced apart certain distance make the outlet air of exhaust fan The noise that mouth overflows is not passed directly in silencing exhaust pipe, but is integrated into cabinet 2 and is absorbed a part, finally, again by disappearing The deadener 2.14 being arranged in sound exhaust pipe absorption of noise again, so that the noise spread out of from silencing exhaust pipe be made to be less than 75dB。

Simultaneously high pressure blower at runtime vibration be also it is very violent, the normal fortune of other cleaners can be seriously affected Row effectively can buffer and reduce influence of this vibration to other equipment by the way that antivibration pad is arranged；By making going out for exhaust fan Air port 2.26 and net 2.2 opposing spaced apart certain distance H of gas exhaust outlet, can further completely cut off shake of the exhaust fan to integrated cabinet It is dynamic.

Referring to figure 1 and figure 2, first glass panel 2.16 is set on the surface of embedded pulse valve cabinet 2.1, embedded The second glass panel 1.14 is arranged in the surface of formula control cabinet 1.13, and control switch, button, indicator light are embedded in the second glass panel 1.14 interior；It is shown in Figure 1, maintenance door 3.2 is set in the side of middle cabinet 3, two first knobs are set in maintenance door 3.2 3.3；Ash bucket is drawer type ash bucket 4.1, and two second knobs 4.2, the first knob are arranged on the panel of drawer type ash bucket 4.1 3.3 and second shake hands 4.2 as concave knob.

Fig. 9 is the structural schematic diagram that the utility model installs air filter additional, as shown in figure 9, in order to further increase After air filter 12 can be arranged on 2 top of integrated cabinet in filtering medium amount and reduction noise, and after air filter 12 enter Mouth is connect with the outlet of the gas-discharging silencing tube of integrated cabinet 2, and highly effective air filter core is arranged in after air filter 12.

The control method of the integrated cabinet type small-sized off-line ash-clearing deduster of the utility model is as follows:

When some filter cylinder 3.1 in deduster is after filter dust work after a period of time, when need to carry out off-line ash-clearing, PLC indicates that the valve plate 1.7 of branch's pneumatic operated valve in the corresponding branch's air-purifying chamber 1.2 in 3.1 top of filter cylinder stretches out lid horizontally forward The firmly net gas entrance 1.5 of corresponding branch, makes the filter cylinder 3.1 stop filtering dust work, and the filter cylinder 3.1 is opened in then PLC instruction Corresponding pulse valve 2.7 carries out the work of high pressure gas pulse jetting deashing, that is, forms " offline pulse jetting deashing "；Wherein, arteries and veins Rushing the jetting deashing period is T=t₁x+t₂(x-1), wherein t₁For pulsewidth, x is blowing number, t₂For the pulse spacing, work as pulse valve After 2.7 complete high pressure gas pulse jetting deashing period and the interval time of waiting Δ T, keep the valve plate 1.7 of branch's pneumatic operated valve horizontal It draws back backward and opens the corresponding net gas entrance 1.5 of branch, corresponding filter cylinder 3.1 is made to restore filtering dust work；It is net in the branch When gas chamber carries out " offline pulse jetting deashing ", other branch's air-purifying chambers and corresponding filter cylinder are still being filtered dust Work, after one of branch's air-purifying chamber completes " offline pulse jetting deashing ", another branch's air-purifying chamber and corresponding Filter cylinder presses the above process again and successively carries out " offline pulse jetting deashing " work；Off-line ash-clearing work so is carried out to each filter cylinder, When n-th of filter cylinder completes " offline pulse jetting deashing " and restore filtration, the pulse of a deduster is completed for it Jetting deashing large period；Subsequently into the stable dedusting period, until next pulse jetting deashing large period；So circulation.

The pulsewidth t of the present embodiment₁It is 80 milliseconds -120 milliseconds, pulse spacing t₂It is -360 seconds 10 seconds, blowing number x is 1-3 Secondary, waiting interval time Δ T is -1200 seconds 0 second, the time of pulse jetting deashing large period and the time in dedusting period, according to Different operating conditions is obtained by debugging, and inputs PLC.

In short, the utility model not only remains the advantages that Integral small-sized deduster is small in size, occupied area is small, and The offline pulse jetting deashing for realizing small space effectively improves the deashing and filter efficiency of filter cylinder, and suction is strong, noise It is small, beautiful and generous, after increasing secondary air filter, it can be directly used for dust proof workshop, especially suitable for single or a small number of The dust of dirt source point and dedusting, the dust in complex device space, impurity hygienic cleaning collect, the dust in complicated local space, miscellaneous Matter hygienic cleaning etc..

Claims (8)

1. a kind of cabinet type small-sized off-line ash-clearing deduster of one, including lower box, the middle cabinet, upper box being arranged from bottom to top, Ash bucket is set in the lower box, several filter cylinders are equipped in the raising middle flask body, are equipped with several high pressure gas in the upper box Nozzle, the middle cabinet and upper box are separated by card, it is characterized in that:

Integrated cabinet is set in the upper surface of described upper box, the upper box and integrated cabinet are separated by partition, in the partition The upper net gas gas outlet of setting；

Vertical partition plate is set in the upper box, the vertical partition plate by upper box be separated into n branch's air-purifying chamber and One vertical shaft, the lower end of each branch's air-purifying chamber are described by the corresponding connection of the intracorporal filter cylinder of raising middle flask described in Hua Kongyu It is corresponding with flower hole that high pressure gas jets are arranged in the upper end of each branch's air-purifying chamber, be respectively set on the side wall of the vertical shaft with it is described The net gas entrance of the corresponding n branch of n branch's air-purifying chamber, setting and the net gas of n branch in n branch air-purifying chamber The corresponding n branch pneumatic operated valve of entrance, branch's pneumatic operated valve are horizontally fixed on the upper box side plate interior sides, the vertical shaft Upper end is connected to the net gas gas outlet on the partition, the lower end of the vertical shaft and the card airtight connection, the range of the n For 2≤n≤4；

Embedded control cabinet is set in the upper box front side board, exhaust fan control is set in the embedded control cabinet and is opened Pass, branch's pneumatic operated valve control switch, pulse valve control switch, power switch, PLC, branch's pneumatic operated valve control switch, pulse Valve control switch is electrically connected with PLC respectively；

Embedded pulse valve cabinet is set in the integrated cabinet front side board, net gas exhaust is set in the back side panel of the integrated cabinet Mouth, high pressure gas air inlet pipe and gas bag drainpipe, Junction box assembly, are arranged exhaust fan, the exhaust fan in the integrated cabinet Air inlet be connected to the net gas gas outlet of the partition, the air outlet of the exhaust fan is corresponding with the net gas exhaust outlet, The net gas exhaust outlet is connected to silencing exhaust pipe, several pulse valves is arranged in the embedded pulse valve cabinet, described High pressure gas bag is set above embedded pulse valve cabinet, and the high pressure gas bag, pulse valve and high pressure gas jets pass through high-pressure air pipe Connection, the high pressure gas bag are connect with the gas bag drainpipe and high pressure gas air inlet pipe respectively.

2. the cabinet type small-sized off-line ash-clearing deduster of one according to claim 1, characterized in that the vertical shaft is square Cylinder, rectangle cylinder or polygon cylinder, the net gas entrance of the branch are round, rectangular or rectangle.

3. the cabinet type small-sized off-line ash-clearing deduster of one according to claim 1, characterized in that branch's pneumatic operated valve packet Cylinder and valve plate are included, the valve plate is fixedly connected with the piston rod of cylinder, sealing strip is arranged in the front end face of the valve plate, when right When some intracorporal filter cylinder of the raising middle flask carries out off-line ash-clearing, the valve plate, which forward extends out, covers corresponding branch's air-purifying chamber The net gas entrance of branch.

4. the cabinet type small-sized off-line ash-clearing deduster of one according to claim 3, characterized in that branch's pneumatic operated valve is kept away It blooms the surface setting in hole, branch's pneumatic operated valve is fixedly connected with pedestal, and the pedestal is fixedly connected with interior concave character type plate, The interior concave character type plate is fixedly connected with the reinforcing rib of upper box side plate, corresponds to the interior character cut in bas-relief in the side plate of the upper box Maintenance door is set at template.

5. the cabinet type small-sized off-line ash-clearing deduster of one according to claim 1, characterized in that when the exhaust fan into When the net gas gas outlet position of air port and the vertical shaft upper end interlocks, the net of the air inlet and vertical shaft upper end for making exhaust fan is set The dislocation mechanism of gas gas outlet connection, square body, rectangular body, the cylindrical body that the dislocation mechanism is height 30mm-80mm, institute State dislocation mechanism lower part be connected to the partition airtight connection and with the net gas gas outlet, it is described misplace mechanism top and The exhaust fan air inlet airtight connection is simultaneously connected to the exhaust fan air inlet.

6. the cabinet type small-sized off-line ash-clearing deduster of one according to claim 1, characterized in that the exhaust gas of the deduster The middle cabinet top is arranged on the side plate at card in air inlet, connect with flue gas leading, in the waste gas inlet pair The middle box inside setting dust and gas separating mechanism answered.

7. the cabinet type small-sized off-line ash-clearing deduster of one according to claim 1, characterized in that in the integrated cabinet Inner surface attaches sound-absorbing material, and the silencing exhaust pipe includes the first bend muffler, noise elimination straight tube and the second bend muffler, in institute Deadener is respectively set in the inner surface for stating the first bend muffler, noise elimination straight tube and the second bend muffler.

8. the cabinet type small-sized off-line ash-clearing deduster of one according to claim 1, characterized in that in the integrated cabinet After air filter is arranged in top, and the entrance of the after air filter goes out with the gas-discharging silencing tube of the integrated cabinet Mouth connection, is arranged highly effective air filter core in after air filter.