CN204469509U - A kind of filter press squeezing, percolation gas drying and preheating device - Google Patents
A kind of filter press squeezing, percolation gas drying and preheating device Download PDFInfo
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- CN204469509U CN204469509U CN201520076750.7U CN201520076750U CN204469509U CN 204469509 U CN204469509 U CN 204469509U CN 201520076750 U CN201520076750 U CN 201520076750U CN 204469509 U CN204469509 U CN 204469509U
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Abstract
The utility model discloses the squeezing of a kind of filter press, percolation gas drying and preheating device, comprise air compressor, dried-air drier, compressed air reservoir, heat exchanger and electric heater, described air compressor comprises two ports of export, be respectively the pressure-air port of export and Waste heat outlets end, wherein the pressure-air port of export is connected with compressed air reservoir arrival end through dried-air drier, and the described compressed air reservoir port of export is connected with heat exchanger entrance end; The Waste heat outlets end of described air compressor is directly connected with the arrival end of heat exchanger; Described heat exchanger comprises two ports of export, and one of them port of export squeezes air inlet through self-adjusting valve and filter press and is connected, and another port of export is connected with filter press percolation air inlet through electric heater.The utility model effectively improves filter press dewatering efficiency, reduces filter cake moisture, and recycles air compressor waste heat.
Description
Technical field
The utility model relates to a kind of device dehumidifying to filter press squeezing, percolation gas, heat.
Background technology
Filter press is a kind of conventional solid-liquid separating equipment, is widely used in all trades and professions.Wherein part filter press is for improving its solid-liquid separation efficiency, adopts the technical method of the squeezing of high pressure (or low pressure) blast, percolation.Squeezing destroys by barrier film pressure the arch bridge formed between particle, the filtrate remained between particle voids extruded; Percolation refers to and is blown into from filter plate corner apertures or plup inlet by high-pressure blast, and air-flow is discharged through the fluid hole of filter cake from filter plate, takes away central tube ore pulp, takes away the capillary water in filter cake simultaneously.Existing squeezing, percolation generally adopt normal temperature high voltage wind to carry out, and dehumidifying and heating effect have to be hoisted.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the utility model provides the squeezing of a kind of filter press, percolation gas drying and preheating device, effectively improves filter press dewatering efficiency, reduces filter cake moisture, and recycles air compressor waste heat.
Technical scheme: for achieving the above object, the technical solution of the utility model is as follows:
A kind of filter press squeezing, percolation gas drying and preheating device, comprise air compressor, dried-air drier, compressed air reservoir and heat exchanger, described air compressor comprises two ports of export, be respectively the pressure-air port of export and Waste heat outlets end, wherein the pressure-air port of export is connected with compressed air reservoir arrival end through dried-air drier, and the described compressed air reservoir port of export is connected with heat exchanger entrance end; The Waste heat outlets end of described air compressor is directly connected with the arrival end of heat exchanger; Described heat exchanger comprises two ports of export, and one of them port of export squeezes air inlet through self-adjusting valve and filter press and is connected, and another port of export is connected with filter press percolation air inlet.
Further, another port of export of described heat exchanger is connected with filter press percolation air inlet through electric heater, and the port of export place of described electric heater is connected with temperature detector.
Further, described heat exchanger is phase-change heat-exchanger, described phase-change heat-exchanger is tube structure, comprise auxiliary heating axle, internal layer phase-change material layers, pressure-air heat exchange layer, outer phase-change material layers and Waste Heat Recovery layer, described auxiliary heating axle is arranged on the centre of tube structure, described auxiliary heating axle outer wrapping arranges internal layer phase-change material layers, described internal layer phase-change material layers outer wrapping arranges pressure-air heat exchange layer, described pressure-air heat exchange layer outer wrapping arranges outer phase-change material layers, and described outer phase-change material layers outer wrapping arranges Waste Heat Recovery layer.
Further, the described compressed air reservoir port of export is communicated with the pressure-air heat exchange layer of phase-change heat-exchanger, the Waste heat outlets end of described air compressor is communicated with the Waste Heat Recovery layer of phase-change heat-exchanger, the gases at high pressure after heat exchange squeeze with filter press respectively air inlet be connected and filter press percolation air inlet connect.
Further, the pressure-air port of export of described air compressor is connected with two dried-air driers, and the port of export of described two dried-air driers is connected with the arrival end of compressed air reservoir through air heater.The port of export place of described air heater is connected with moisture detector.
Further, the pressure-air port of export place of described air compressor is connected with a silencer, and described heat exchanger is connected with No. two silencers.The Waste heat outlets end of described air compressor is connected with and diffuses self-adjusting valve.
Beneficial effect: advantage of the present utility model:
1, the gases at high pressure that filter press uses are dehumidified, heated, reduce the relative humidity of percolation high-pressure blast, improve filter press dewatering efficiency, by combining the test of repeatedly squeezing, percolation operation, drawing and filter cake moisture can be made to reduce 3-5%.
2, air compressor waste gas residual heat is recycled.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model.
Accompanying drawing 2 is the structural representation of the utility model heat exchanger.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further described.
As accompanying drawing 1, embodiment one, a kind of filter press squeezing, percolation gas drying and preheating device, comprise air compressor 1, dried-air drier 2, compressed air reservoir 5 and heat exchanger 10, described air compressor 1 comprises two ports of export, be respectively the pressure-air port of export and Waste heat outlets end, wherein the pressure-air port of export is connected with compressed air reservoir 5 arrival end through dried-air drier 2, and described compressed air reservoir 5 port of export is connected with heat exchanger 10 arrival end; The Waste heat outlets end of described air compressor 1 is directly connected with the arrival end of heat exchanger 10.Described heat exchanger 10 comprises two ports of export, one of them port of export squeezes air inlet through self-adjusting valve 7 and filter press and is connected, described self-adjusting valve 7 is connected with PLC, automatically carries out switching over, and another port of export is connected with filter press percolation air inlet through electric heater 12.The port of export place of described electric heater 12 is connected with temperature detector 13, pressure-air is heated to through electric heater 12 and enters filter press after uniform temperature and carry out percolation operation, and the temperature by the pressure-air after the heat exchange of temperature detector 13 Monitoring and Controlling remains on preset temperature claimed range.
Concrete, the pressure-air port of export of described air compressor 1 is connected with two dried-air driers 2, and opens one standby, and the port of export of described two dried-air driers 2 is connected respectively through the arrival end of air heater 3 with compressed air reservoir 5.The port of export place of described air heater 3 is also connected with moisture detector 4, the drying effect of pressure-air is detected by moisture detector 4, if because service time is longer, First dried-air drier 2 can not make gases at high pressure be dried to the scope of requirement, can automatically switch with another dried-air drier 2 for subsequent use, ensure other drying effects of high pressure; The air heater 3 simultaneously arranging connection can carry out Automatic-heating dehumidifying to drier in two dried-air driers 2, recovers its air drying capability.
Embodiment two, on embodiment one basis, heat exchanger 10 described in the utility model can Curve guide impeller be specifically phase-change heat-exchanger, as shown in Figure 2, described phase-change heat-exchanger is tube structure, comprise auxiliary heating axle 101, internal layer phase-change material layers 102, pressure-air heat exchange layer 103, outer phase-change material layers 104 and Waste Heat Recovery layer 105, described auxiliary heating axle 101 is arranged on the centre of tube structure, described auxiliary heating axle 101 outer wrapping arranges internal layer phase-change material layers 102, described internal layer phase-change material layers 102 outer wrapping arranges pressure-air heat exchange layer 103, described pressure-air heat exchange layer 103 outer wrapping arranges outer phase-change material layers 104, described outer phase-change material layers 104 outer wrapping arranges Waste Heat Recovery layer 105, described Waste Heat Recovery layer 105 is provided with waste gas outlet, described waste gas outlet is connected with waste gas recovering device.Described pressure-air heat exchange layer 103 between internal layer phase-change material layers 101 and outer phase-change material layers 104, and shares same wall with it, reaches the object of abundant heat exchange.Described compressed air reservoir 5 port of export is communicated with the pressure-air heat exchange layer 103 air intlet end of phase-change heat-exchanger, and the Waste heat outlets end of described air compressor 1 is communicated with the Waste Heat Recovery layer 105 exhaust gas inlet end of phase-change heat-exchanger.Gases at high pressure after heat exchange squeeze air inlet with filter press respectively from the port of export of pressure-air heat exchange layer 103 and filter press percolation air inlet is connected.
When waste hot gas passes into Waste Heat Recovery layer 105, heat outer phase-change material layers 104, make the phase-change material phase transformation of its inside, thus make the pressure-air heat exchange that flows through in pressure-air heat exchange layer 103 abundant.When only after Waste Heat Recovery layer 105 heat exchange the temperature of pressure-air do not reach preset temperature require time, auxiliary heating axle 101 can be enabled, auxiliary heating axle 101 heats internal layer phase-change material layers 102, make the phase-change material phase transformation of its inside, thus the pressure-air heat exchange making to flow through in pressure-air heat exchange layer 103 is abundant, reaches preset temperature requirement.Further, pressure-air heat exchange layer 103 inside is also provided with crisscross some grids or baffle plate, increases the pressure-air time of staying therein, improves heat transfer effect.The phase transition temperature of the phase-change material of described outer phase-change material layers 104 is less than the phase transition temperature of the phase-change material of internal layer phase-change material layers 102, after the complete phase transformation of phase-change material in outer phase-change material layers 104, and temperature of waste heat is when still can not make pressure-air reach preset temperature requirement, auxiliary heating axle 101 can be enabled, make phase-change material in internal layer phase-change material layers 102 also continue phase transformation, thus make the pressure-air in pressure-air heat exchange layer 103 can reach preset temperature requirement.
Be provided with intelligent temperature detector with phase-change heat-exchanger is also supporting, described intelligent temperature detector is arranged on the port of export of pressure-air heat exchange layer 103, and whether the temperature detecting the pressure-air of the port of export meets preset temperature requirement.The signal output part of described intelligent temperature detector is connected with the signal output part of auxiliary heating axle 101.When the temperature of the port of export pressure-air out pressure-air heat exchange layer 103 being detected does not reach predetermined value, open auxiliary heating axle 101 voluntarily, and then the pressure-air temperature of the port of export could be improved further.
Based on above-mentioned two embodiments, in the utility model, the pressure-air port of export place of air compressor 1 is connected with a silencer 91, and described heat exchanger 10 is connected with No. two silencers 92, eliminates the noise.The Waste heat outlets end of described air compressor 1 is connected with and diffuses self-adjusting valve 11, when follow-up workshop section's overhaul of the equipments, can temporarily be arranged outward by waste gas.The bottom of described compressed air reservoir 5 is provided with comb water valve 6, while its internal pressure of guarantee, condensate water is arranged outward.
Operation principle and implementation method: the pressure-air that described air compressor 1 generates and used heat are divided into two-way to apply; Pressure-air is after dried-air drier 2 drying, be delivered in compressed air reservoir 5, pass in heat exchanger 10 again, after carrying out abundant heat exchange with the used heat directly passed in heat exchanger 10, be delivered to filter press squeezing air inlet and the filter press percolation air inlet through electric heater respectively.
The above is only preferred embodiment of the present utility model; be noted that for those skilled in the art; under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (8)
1. filter press squeezing, percolation gas drying and preheating device, it is characterized in that: comprise air compressor (1), dried-air drier (2), compressed air reservoir (5) and heat exchanger (10), described air compressor (1) comprises two ports of export, be respectively the pressure-air port of export and Waste heat outlets end, wherein the pressure-air port of export is connected with compressed air reservoir (5) arrival end through dried-air drier (2), and described compressed air reservoir (5) port of export is connected with heat exchanger (10) arrival end; The Waste heat outlets end of described air compressor (1) is directly connected with the arrival end of heat exchanger (10);
Described heat exchanger (10) comprises two ports of export, and one of them port of export squeezes air inlet through self-adjusting valve (7) and filter press and is connected, and another port of export is connected with filter press percolation air inlet.
2. a kind of filter press squeezing according to claim 1, percolation gas drying and preheating device, it is characterized in that: another port of export of described heat exchanger (10) is connected with filter press percolation air inlet through electric heater (12), the port of export place of described electric heater (12) is connected with temperature detector (13).
3. a kind of filter press squeezing according to claim 2, percolation gas drying and preheating device, it is characterized in that: described heat exchanger (10) is phase-change heat-exchanger, described phase-change heat-exchanger is tube structure, comprise auxiliary heating axle (101), internal layer phase-change material layers (102), pressure-air heat exchange layer (103), outer phase-change material layers (104) and Waste Heat Recovery layer (105), described auxiliary heating axle (101) is arranged on the centre of tube structure, described auxiliary heating axle (101) outer wrapping arranges internal layer phase-change material layers (102), described internal layer phase-change material layers (102) outer wrapping arranges pressure-air heat exchange layer (103), described pressure-air heat exchange layer (103) outer wrapping arranges outer phase-change material layers (104), described outer phase-change material layers (104) outer wrapping arranges Waste Heat Recovery layer (105).
4. a kind of filter press squeezing according to claim 3, percolation gas drying and preheating device, it is characterized in that: described compressed air reservoir (5) port of export is communicated with the pressure-air heat exchange layer (103) of phase-change heat-exchanger, the Waste heat outlets end of described air compressor (1) is communicated with the Waste Heat Recovery layer (105) of phase-change heat-exchanger, the gases at high pressure after heat exchange squeeze with filter press respectively air inlet be connected and filter press percolation air inlet connect.
5. a kind of filter press squeezing, percolation gas drying and preheating device according to claim 2 or 4, it is characterized in that: the pressure-air port of export of described air compressor (1) is connected with two dried-air driers (2), the port of export of described two dried-air driers (2) is connected through the arrival end of air heater (3) with compressed air reservoir (5).
6. a kind of filter press squeezing according to claim 5, percolation gas drying and preheating device, is characterized in that: the port of export place of described air heater (3) is connected with moisture detector (4).
7. a kind of filter press squeezing according to claim 1, percolation gas drying and preheating device, it is characterized in that: the pressure-air port of export place of described air compressor (1) is connected with a silencer (91), and described heat exchanger (10) is connected with No. two silencers (92).
8. a kind of filter press squeezing according to claim 1, percolation gas drying and preheating device, is characterized in that: the Waste heat outlets end of described air compressor (1) is connected with and diffuses self-adjusting valve (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520076750.7U CN204469509U (en) | 2015-02-03 | 2015-02-03 | A kind of filter press squeezing, percolation gas drying and preheating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520076750.7U CN204469509U (en) | 2015-02-03 | 2015-02-03 | A kind of filter press squeezing, percolation gas drying and preheating device |
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| Publication Number | Publication Date |
|---|---|
| CN204469509U true CN204469509U (en) | 2015-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520076750.7U Expired - Fee Related CN204469509U (en) | 2015-02-03 | 2015-02-03 | A kind of filter press squeezing, percolation gas drying and preheating device |
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| CN (1) | CN204469509U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104548888A (en) * | 2015-02-03 | 2015-04-29 | 拜城县众泰煤焦化有限公司 | Press and cross-flow gas drying and preheating device of press filter and realization method |
| CN105056592A (en) * | 2015-07-20 | 2015-11-18 | 河南东大矿业股份有限公司 | Filter press reverse-blowing pressure release muffling device |
| CN105217920A (en) * | 2015-09-29 | 2016-01-06 | 广东屹峰环保科技有限公司 | A kind of filter cake depth dewatering and device |
-
2015
- 2015-02-03 CN CN201520076750.7U patent/CN204469509U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104548888A (en) * | 2015-02-03 | 2015-04-29 | 拜城县众泰煤焦化有限公司 | Press and cross-flow gas drying and preheating device of press filter and realization method |
| CN105056592A (en) * | 2015-07-20 | 2015-11-18 | 河南东大矿业股份有限公司 | Filter press reverse-blowing pressure release muffling device |
| CN105056592B (en) * | 2015-07-20 | 2016-11-30 | 河南东大矿业股份有限公司 | Pressure filter back-blowing pressure release silencing apparatus |
| CN105217920A (en) * | 2015-09-29 | 2016-01-06 | 广东屹峰环保科技有限公司 | A kind of filter cake depth dewatering and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150715 Termination date: 20160203 |