CN206746245U - A kind of composite heat transfer exhaust treatment system - Google Patents

Abstract

A kind of composite heat transfer exhaust treatment system, including cyclone separator, washer box, settling tank, depositing reservoir, filter press and cistern, first partition is provided with washer box, first partition lower end is fixedly connected with washer box bottom, space is left between first partition upper end and washer box case top, washer box is separated into fetch water cavity and outlet cavity by first partition；Cyclone separator gas outlet is connected in cavity of fetching water away from outlet cavity one end by air inlet pipe, outlet cavity connects settling tank water inlet by outlet pipe, settling tank bottom of pond connects feed opening of press filter by blow-off pipe, filter press filtrate outlet connects cistern by filtrate pipe, cistern connects cavity of fetching water by drainpipe, settling tank overfall connects depositing reservoir by overflow pipe, and depositing reservoir connects cavity of fetching water by water inlet pipe, and the outlet cavity connects with a blast pipe.

Description

A kind of composite heat transfer exhaust treatment system

Technical field

It the utility model is related to a kind of composite heat transfer exhaust treatment system.

Background technology

Composite fertilizer has that nutrient is comprehensive, content is high, and physical behavior is good, is easy to apply, and accessory ingredient is few, has no adverse effects, and matches somebody with somebody Than the advantages that various, with strong points, extensive use is obtained in China.Composite heat transfer process can be divided into raw material and match somebody with somebody on the whole Eight material, raw material stirring, raw material granulation, particle drying, particle cooling, gradation, finished product coating, finished product packing big steps, Wherein feed proportioning plays a decisive role to the final controllable composite fertilizer of composition that obtains.

Composite fertilizer in process of production, is such as granulated, drying, can all produce a large amount of process tail gas, contain in these process tail gas There are a large amount of powder, such as ammonium chloride, potassium chloride, MAP powder of solid particles, if dealt with improperly, do not cause singly to waste, More serious causes environmental pollution.Traditional approach use dirt pocket gravitational settling after can only achieve 80% or so dust removal efficiency, still There is a large amount of dust to be discharged into air with tail gas, cause environmental pollution and the waste of composite fertilizer's powder.

The content of the invention

The technical problem that the utility model solves is to provide a kind of composite heat transfer exhaust treatment system, can purify compound Caused tail gas in fertilizer production, and collect the granular material in tail gas.

In order to solve the above-mentioned technical problem, the technical solution of the utility model is：A kind of composite heat transfer vent gas treatment system System, including cyclone separator, washer box, settling tank, depositing reservoir, filter press and cistern, are provided with first partition in washer box, First partition lower end is fixedly connected with washer box bottom, space is left between first partition upper end and washer box case top, by first Washer box is separated into fetch water cavity and outlet cavity by dividing plate；

Cyclone separator gas outlet is connected by air inlet pipe to be passed through in cavity of fetching water away from outlet cavity one end, outlet cavity Outlet pipe connects settling tank water inlet, and settling tank bottom of pond connects feed opening of press filter by blow-off pipe, and filter press filtrate outlet is logical Liquid pipe connection cistern is filtered, cistern connects cavity of fetching water by drainpipe, and settling tank overfall connects clear by overflow pipe Clear pond, depositing reservoir connect cavity of fetching water by water inlet pipe, and the outlet cavity connects with a blast pipe；

Air-introduced machine is installed in air inlet pipe, the first water pump is installed on drainpipe, second is provided with water inlet pipe Water pump, slush pump is installed on blow-off pipe, vertical filter screen is provided with cavity of fetching water, is provided between filter screen and first partition For the device of fetching water being poured onto water on filter screen.

The device of fetching water includes the rotating shaft being arranged in washer box and the motor on washer box case top, motor pass through Chain drive rotating shaft is rotated, and more bar distributions of fetching water are fixed in rotating shaft, and lid of fetching water is installed with bar fetching water.

The filter screen upper end is fixedly connected with washer box case top, and space is left between filter screen lower end and washer box bottom.

Second partition is provided with outlet cavity, second partition upper end is fixedly connected with washer box case top, under second partition Space is left in end with washer box bottom, is provided with demister in the gap between second partition and washer box, gas in washer box Discharged after through demister by blast pipe.

The beneficial effects of the utility model are：After composite fertilizer's tail gas removes most of dust by cyclone separator, enter In washer box, water is poured onto to the water curtain formed on filter screen by device of fetching water tail gas is washed, to remove the remainder in tail gas Dust, the dust being removed are collected by settling tank and filter press, and unnecessary clear water, which is returned in washer box, to be continuing with, most heel row The tail gas qualified discharge gone out, in this patent, sewage can realize recycling, without sewage discharge, not produce new pollution Thing, environment protecting are obvious.

Brief description of the drawings

The utility model is described further below in conjunction with the accompanying drawings：

Fig. 1 is structural representation of the present utility model,

Fig. 2 is main structure diagram of the utility model on device of fetching water.

In figure：Cyclone separator 1, washer box 2, settling tank 3, filter press 4, cistern 5, depositing reservoir 6, device 7 of fetching water, fetch water Cavity 21, outlet cavity 22, filter screen 23, demister 24, first partition 25, second partition 26, motor 71, rotating shaft 72, bar of fetching water 73rd, fetch water lid 74, chain 75, bearing block 76, air inlet pipe 81, drainpipe 82, blow-off pipe 83, water inlet pipe 84, outlet pipe 85, overflow Pipe 86, filtrate pipe 87, blast pipe 88, air-introduced machine 91, the first water pump 92, slush pump 93, the second water pump 94.

Embodiment

As illustrated in fig. 1 and 2, a kind of composite heat transfer exhaust treatment system, including cyclone separator 1, washer box 2, sedimentation Pond 3, depositing reservoir 6, filter press 4 and cistern 5, first partition 25, the lower end of first partition 25 and washer box are provided with washer box 2 2 bottoms are fixedly connected, and space is left in the upper end of first partition 25 and washer box between 2 casees tops, are divided washer box 2 by first partition 25 It is divided into fetch water cavity 21 and outlet cavity 22；

The gas outlet of cyclone separator 1 is connected in cavity 21 of fetching water away from the one end of outlet cavity 22, outlet by air inlet pipe 81 Cavity 22 connects the water inlet of settling tank 3 by outlet pipe 85, and the bottom of pond of settling tank 3 connects the charging aperture of filter press 4 by blow-off pipe 83, The filtrate (liquid of filter press 4 connects cistern 5 by filtrate pipe 87, and cistern 5 connects cavity 21 of fetching water, sedimentation by drainpipe 82 The overfall of pond 3 connects depositing reservoir 6 by overflow pipe 86, and depositing reservoir 6 connects cavity 21 of fetching water by water inlet pipe 84, and the outlet is empty Chamber 22 connects with a blast pipe 88；

Air-introduced machine 91 is installed in air inlet pipe 81, the first water pump 92 is installed on drainpipe 82, on water inlet pipe 84 Second water pump 94 is installed, slush pump 93 is installed on blow-off pipe 83, vertical filter screen 23 is provided with cavity 21 of fetching water, is being filtered Be provided with the device 7 of fetching water for being used for water being poured onto on filter screen 23 between net 23 and first partition 25.

Vent gas treatment process of the present utility model is：Tail gas from dryer or comminutor in composite heat transfer is drawn Blower fan 91 is pumped to cyclone separator 1, gets rid of most of dust in tail gas by cyclone separator 1, unnecessary tail gas is blown from To washer box 2, at the same time, water is poured onto on filter screen 23 by device 7 of fetching water forms water curtain, and powder in tail gas is washed away by water curtain Dirt, the gas after being washed are come in outlet cavity 22, finally discharged by blast pipe 88.In addition, water inlet pipe 84 slowly fills water Enter into cavity 21 of fetching water, the water containing dust is overflowed in outlet cavity 22 with pouring into for dampening in cavity 21 of fetching water, and is gone out Water in gas cavity 22 is drained into settling tank 3 by outlet pipe 85 to be settled, and the clear water that settling tank 3 is isolated passes through overflow pipe 86 Depositing reservoir 6 is entered, clear water is returned in cavity 21 of fetching water by depositing reservoir 6, forms circulation；The mud that settling tank 3 is isolated is then Pumped by slush pump 93 and separation of solid and liquid is carried out in filter press 4, the dust that filter press 4 is isolated can recycle, and what is separated is clear Water is then drained into cistern 5 by filtrate pipe 87, after cistern 5 stores full water, by the first water pump 92 by the water in cistern 5 Pump to and recycled in cavity 21 of fetching water.

The device 7 of fetching water includes rotating shaft 72 and the motor 71 on 2 casees tops of washer box, symmetrical in the inwall of washer box 2 A company of being fixed with bearing block 76, the both ends of rotating shaft 72 are arranged in two bearing blocks 76, and motor 71 passes through the drive shaft 72 of chain 75 Rotation, the more distributions of bar 73 of fetching water are fixed in rotating shaft 72, and lid 74 of fetching water is installed with bar 73 fetching water.In lid 74 of fetching water After rotation, water is poured onto on screen pack 23 by lid 74 of fetching water, and water is shaped as water curtain by the differentiation of screen pack 23, when tail gas passes through water During curtain, the dust in tail gas is washed by water curtain.

The 2 casees tops in the upper end of filter screen 23 and washer box are fixedly connected, and sky is left between the lower end of filter screen 23 and the bottom of washer box 2 Gap.

Second partition 26 is provided with outlet cavity 22, the 2 casees tops in the upper end of second partition 26 and washer box are fixedly connected, and second Space is left in the lower end of dividing plate 26 with the bottom of washer box 2, and demister is provided with the gap between second partition 26 and washer box 2 24, gas is discharged after passing through demister 24 by blast pipe 88 in washer box 2.Second partition 26 and demister 24 can stop water smoke Discharged with tail gas, saved water resource, reduce composite fertilizer's dust discharge amount.

Claims (4)

1. a kind of composite heat transfer exhaust treatment system, including cyclone separator（1）, washer box（2）, settling tank（3）, depositing reservoir （6）, filter press（4）And cistern（5）, it is characterised in that：

In washer box（2）It is interior to be provided with first partition（25）, first partition（25）Lower end and washer box（2）Bottom is fixedly connected, the One dividing plate（25）Upper end and washer box（2）Case leaves space between top, by first partition（25）By washer box（2）It is separated into and fetches water Cavity（21）With outlet cavity（22）；

Cyclone separator（1）Gas outlet passes through air inlet pipe（81）Connection is in cavity of fetching water（21）Away from outlet cavity（22）One end, Outlet cavity（22）Pass through outlet pipe（85）Connect settling tank（3）Water inlet, settling tank（3）Bottom of pond passes through blow-off pipe（83）Connection Filter press（4）Charging aperture, filter press（4）Filtrate (liquid passes through filtrate pipe（87）Connect cistern（5）, cistern（5）Pass through row Water pipe（82）Connect cavity of fetching water（21）, settling tank（3）Overfall passes through overflow pipe（86）Connect depositing reservoir（6）, depositing reservoir（6） Pass through water inlet pipe（84）Connect cavity of fetching water（21）, the outlet cavity（22）With a blast pipe（88）Connection；

In air inlet pipe（81）On air-introduced machine is installed（91）, in drainpipe（82）On the first water pump is installed（92）, in water inlet pipe （84）On the second water pump is installed（94）, in blow-off pipe（83）On slush pump is installed（93）, in cavity of fetching water（21）In be provided with Vertical filter screen（23）, in filter screen（23）With first partition（25）Between be provided with and be used to water being poured onto filter screen（23）On device of fetching water （7）.

A kind of 2. composite heat transfer exhaust treatment system according to claim 1, it is characterised in that：The device of fetching water（7） Including installed in washer box（2）Interior rotating shaft（72）With installed in washer box（2）Motor on case top（71）, motor（71）Pass through Chain（75）Drive shaft（72）Rotation, more bars of fetching water（73）Distribution is fixed on rotating shaft（72）On, in bar of fetching water（73）It is upper solid Dingan County is equipped with lid of fetching water（74）.

A kind of 3. composite heat transfer exhaust treatment system according to claim 1, it is characterised in that：The filter screen（23）On End and washer box（2）Case top is fixedly connected, filter screen（23）Lower end and washer box（2）Space is left between bottom.

A kind of 4. composite heat transfer exhaust treatment system according to claim 1, it is characterised in that：In outlet cavity（22） It is interior to be provided with second partition（26）, second partition（26）Upper end and washer box（2）Case top is fixedly connected, second partition（26）Lower end with Washer box（2）Bottom leaves space, second partition（26）With washer box（2）Between gap in demister is installed（24）, wash Wash case（2）Interior gas passes through demister（24）Afterwards by blast pipe（88）Discharge.