CN203187504U - Energy recovery device of pre-treatment system for sludge pyrohydrolysis - Google Patents
Energy recovery device of pre-treatment system for sludge pyrohydrolysis Download PDFInfo
- Publication number
- CN203187504U CN203187504U CN2013201651316U CN201320165131U CN203187504U CN 203187504 U CN203187504 U CN 203187504U CN 2013201651316 U CN2013201651316 U CN 2013201651316U CN 201320165131 U CN201320165131 U CN 201320165131U CN 203187504 U CN203187504 U CN 203187504U
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- water sealing
- mud
- sealing liquid
- recycle device
- pretreatment system
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
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- Treatment Of Sludge (AREA)
Abstract
The utility model relates to an energy recovery device of a pre-treatment system for sludge pyrohydrolysis. The energy recovery device comprises an energy recovery device main body as a container for recovering energy, wherein water sealing liquid is contained in the main body; a plurality of heat source pipelines communicated with the energy recovery device main body and a steam generating part of the pre-treatment system for sludge pyrohydrolysis, wherein parts of the heat source pipelines are located in the energy recovery device main body and are provided with a plurality of holes under the water sealing liquid to transfer heat energy in steam to the water sealing liquid; a water sealing liquid control system which comprises a water supplementing pipeline, a water conveying pipeline and a water sealing liquid level control assembly, wherein one end of the water supplementing pipeline and one end of the water conveying pipeline are respectively connected with the energy recovery device main body for respectively supplementing the water sealing liquid and discharging and using the water sealing liquid which has already absorbed heat energy, and the water sealing liquid level control assembly is arranged on the energy recovery device main body for controlling the water sealing liquid in a predetermined liquid level.
Description
Technical field
The utility model relates to sewage treatment area, particularly a kind of energy recycle device of mud thermal hydrolysis pretreatment system.
Background technology
Along with growth in the living standard, people also all the more pay attention to environmental protection, energy-conservation theory.City domestic sewage discharging at present has been the primary pollution source of municipal water; it is the most important thing of urban water conservation at present and in the future and Urban Water Environment protection work that city domestic sewage is handled; this just requires us will be the important content of the construction of handling the sanitary sewage facility as urban infrastructure, and is too impatient to wait thing.
Tend to produce a large amount of mud after the sewage disposal, the mud of handling through existing mud thermal hydrolysis treatment system (water ratio 80% and below), it in order to improve thermal hydrolysis efficient, to reduce the treatment time, need carry out pre-treatment before entering the thermal hydrolysis system.Pretreated step is as follows: at first utilize overbottom pressure, the waste heat of thermal hydrolysis, give the mud preheating of high mass dryness fraction; Secondly, in order to improve the heat transfer efficiency of mud thermal hydrolysis system, mud is carried out desaturation, pulp processing, yet, in this process, still have the heat energy of part to overflow with the form of steam, and also can produce the volatility peculiar smell in the treating processes, influence the ambient air quality.
The utility model content
The utility model is at the prior art above shortcomings, a kind of energy recycle device of mud thermal hydrolysis pretreatment system is provided, dilute mud by the heat that absorbs effusion steam and residue vapor (secondary steam) with water sealing liquid, effectively cut down the consumption of energy, saved cost.
The utility model is achieved through the following technical solutions:
A kind of energy recycle device of mud thermal hydrolysis pretreatment system, mud thermal hydrolysis pretreatment system comprise thermal hydrolysis jar, pretreatment system and storage mud jar, and energy recycle device comprises:
The energy recycle device main body, as the container of recovered energy, water sealing liquid is equipped with in inside;
Some thermal source pipelines, the steam generating unit that is communicated with energy recycle device main body and mud thermal hydrolysis pretreatment system, and the part of thermal source pipeline is positioned at the energy recycle device main body, the thermal source pipe section that is positioned at the energy recycle device main body is provided with some holes, hole is positioned under the water sealing liquid, with the transfer of heat energy in the steam in water sealing liquid;
The water sealing liquid Controlling System, comprise: condensate make-up piping, fluming water pipeline and water sealing liquid liquid level control unit, wherein, one end of condensate make-up piping is connected the energy recycle device main body respectively with an end of fluming water pipeline, discharge to utilize in order to make up water sealing liquid and the water sealing liquid that will absorb heat energy respectively; Water sealing liquid liquid level control unit is arranged on the energy recycle device main body, in order to control water sealing liquid in a default liquid level.
Preferable, water sealing liquid liquid level control unit comprises operated pneumatic valve and float(ing)valve, and operated pneumatic valve is arranged on the condensate make-up piping, and float(ing)valve is arranged in the energy recycle device main body, and operated pneumatic valve is connected with float(ing)valve, in order to control the flooding quantity of condensate make-up piping.
Preferable, water sealing liquid liquid level control unit comprises variable valve, is arranged on the fluming water pipeline, and the other end of fluming water pipeline is connected to the storage mud of a mud thermal hydrolysis pretreatment system and irritates, and the mud amount of advancing of mud was controlled Dilution ratio in variable valve was irritated according to storage mud.
Preferable, some thermal source pipelines comprise:
The first thermal source pipeline, an end of the first thermal source pipeline connects the pretreatment system of mud thermal hydrolysis pretreatment system, in order to reclaim the effusion steam of pretreatment system;
The second thermal source pipeline, an end of the second thermal source pipeline connects the thermal hydrolysis jar of mud thermal hydrolysis pretreatment system, in order to reclaim the residue vapor of thermal hydrolysis jar.
Preferable, also comprise the gas with foreign flavor recovery tube, be communicated with in the upper end of energy recycle device main body, in order to recycle gas with foreign flavor.
Preferable, the minimum liquid level of water sealing liquid is more than or equal to 200 millimeters, and the highest liquid level of water sealing liquid is more than or equal to 600 millimeters.
Preferable, water sealing liquid liquid level control unit comprises a upflow tube, is communicated with the highest liquid level place at water sealing liquid.
Preferable, upflow tube is a water seal upflow tube, the water seal height of water seal upflow tube is greater than the minimum liquid level of water sealing liquid.
Description of drawings
Fig. 1 is the structural representation of the energy recycle device of a kind of mud thermal hydrolysis of the utility model pretreatment system;
Fig. 2 is the structural representation of the energy recycle device of application mud thermal hydrolysis pretreatment system of the present utility model.
Embodiment
Elaborate below in conjunction with the utility model of embodiment, present embodiment has provided detailed embodiment being to implement under the prerequisite with technical solutions of the utility model, but protection domain of the present utility model is not limited to following embodiment.
Please refer to Fig. 1, the energy recycle device of a kind of mud thermal hydrolysis pretreatment system that the utility model provides comprises: energy recycle device main body 1, and as the container of recovered energy, water sealing liquid is equipped with in inside; Some thermal source pipelines, the for example first thermal source pipeline 71 and the second thermal source pipeline 72, the steam generating unit that is communicated with energy recycle device main body 1 and a mud thermal hydrolysis pretreatment system, the thermal source pipeline that is positioned at energy recycle device main body 1 inside is provided with some holes 73, hole 73 is positioned under the water sealing liquid, by hole 73 with the transfer of heat energy in the steam in water sealing liquid; The water sealing liquid Controlling System comprises: condensate make-up piping 2, fluming water pipeline 4, be communicated with on energy recycle device main body 1, and discharge in order to make up water sealing liquid and the water sealing liquid that will absorb heat energy respectively and utilize; Water sealing liquid liquid level control unit is arranged on the energy recycle device main body, in order to control water sealing liquid in a default liquid level scope.The water yield/change of level in order to ensure water sealing liquid in the energy recycle device operational process does not influence heat absorption efficiency, be provided with water sealing liquid minimum liquid level h1, water sealing liquid the highest liquid level h3 and the normal liquid level h2 between minimum liquid level h1 and the highest liquid level h3, wherein, minimum liquid level h1 is more than or equal to 200 millimeters, water sealing liquid the highest liquid level h3 more than or equal to 600 millimeters.The utility model does not limit at this, and the technician can regulate minimum and the highest liquid level according to practical situation.Exceeding, the water sealing liquid of high liquid level adopts upflow tube to derive.
Particularly, the outer end of the first thermal source pipeline 71 connects the pretreatment system of mud thermal hydrolysis pretreatment system, in order to reclaim the effusion steam of pretreatment system; The outer end of the second thermal source pipeline 72 connects the thermal hydrolysis jar of mud thermal hydrolysis pretreatment system, in order to reclaim the residue vapor of thermal hydrolysis jar.
Water sealing liquid liquid level control unit adopts operated pneumatic valve 81 and float(ing)valve 6, operated pneumatic valve 81 is arranged on the condensate make-up piping 2, and float(ing)valve 6 is arranged in the energy recycle device main body 1, and operated pneumatic valve 81 is connected with float(ing)valve 6, the control of formation secondary is in order to control the flooding quantity of condensate make-up piping.Also can adopt variable valve 82 simultaneously, be arranged on the fluming water pipeline 5, by pump 91 drainage water sealing liquids, the outer end of fluming water pipeline 5 is connected to the storage mud of a mud thermal hydrolysis pretreatment system and irritates, and the mud quantitative change chemical control system of advancing of mud carried the water seal liquid measure that has absorbed heat to control Dilution ratio in variable valve 82 was irritated according to storage mud.The mud quantitative changeization of advancing of mud can be by arranging under meter and obtain advancing the mud pipeline in storage mud was irritated, and the utility model does not limit at this.
Owing to be mingled with volatile gas with foreign flavor in the steam that mud thermal hydrolysis pretreatment system produces, therefore, also adopt gas with foreign flavor recovery tube 3 in the present embodiment, be communicated with the upper end in energy recycle device main body 1, outer end connects gas processing device, in order to recycle gas with foreign flavor.Simultaneously, upflow tube is designed to a water seal upflow tube 4, and the water seal height of water seal upflow tube 4 is greater than the minimum liquid level h1 of water sealing liquid, prevents that gas with foreign flavor from overflowing from upflow tube.Under high liquid level, valve-off 83 is opened pump 92 and is derived unnecessary water sealing liquid, under low liquid level, opens valve 83, closes pump 92 make up water sealing liquids, makes the aqua seal section of water seal upflow tube 4 realize water seal.Through test, the water seal height of design water seal upflow tube 4 reaches the purpose that prevents that the volatility gas with foreign flavor from overflowing greater than the minimum liquid level of water sealing liquid.This design is the preferred configuration of doing at present embodiment, and the utility model is not as limit, and the technician can change design according to the actual requirements.
Understand the utility model for the ease of the technician, the application of a utility model in mud thermal hydrolysis pretreatment system below is provided.Please refer to Fig. 2, common, mud thermal hydrolysis pretreatment system comprises: boiler house, thermal hydrolysis jar, pretreatment system, storage mud jar, and the common practise that the structure of mud thermal hydrolysis pretreatment system and principle are this area, the utility model does not elaborate to it at this.Storage mud jar advances mud in pretreatment system, pretreatment system heats and pulp mud, and pretreated mud is sent into the thermal hydrolysis jar, and the steam that provides by the boiler house carries out thermal hydrolysis.In this process, have the residual or effusion of unnecessary steam in thermal hydrolysis jar, the pretreatment system.Energy recycle device i.e. frame of broken lines part among the figure, of the present utility model being connected to by the thermal source pipeline 71,72 with energy recycle device reclaimed residue vapor (secondary steam) on the thermal hydrolysis jar, and be connected on the pretreatment system and reclaim effusion steam, thermal power transfer in the steam is absorbed in the water sealing liquid of energy recycle device, at last water sealing liquid is imported and heat in advance in the storage mud jar and dilute mud, improve the water conservancy condition of carrying mud, save the power consumption of mud thermal hydrolysis pretreatment system, reduced processing cost.
At foregoing, the technician can be in the advancing the setting of mud pipeline and advance the mud under meter of storage mud jar, and the derived quantity of the Combination Control water sealing liquid by advancing mud under meter and variable valve 82 is to control Dilution ratio.
More than disclosed be the application's preferred embodiment only, but the application is not limited thereto, any those skilled in the art can think variation, all should drop in the application's the protection domain.
Claims (8)
1. the energy recycle device of a mud thermal hydrolysis pretreatment system, described mud thermal hydrolysis pretreatment system comprise thermal hydrolysis jar, pretreatment system and storage mud jar, it is characterized in that described energy recycle device comprises:
The energy recycle device main body, as the container of recovered energy, water sealing liquid is equipped with in inside;
Some thermal source pipelines, the steam generating unit that is communicated with described energy recycle device main body and described mud thermal hydrolysis pretreatment system, and the part of described thermal source pipeline is positioned at described energy recycle device main body, the described thermal source pipe section that is positioned at described energy recycle device main body is provided with some holes, described hole is positioned under the described water sealing liquid, with the transfer of heat energy in the steam in described water sealing liquid;
The water sealing liquid Controlling System, comprise: condensate make-up piping, fluming water pipeline and water sealing liquid liquid level control unit, wherein, one end of described condensate make-up piping is connected described energy recycle device main body respectively with an end of described fluming water pipeline, respectively the water sealing liquid discharge utilization in order to replenish described water sealing liquid and will absorb heat energy; Described water sealing liquid liquid level control unit is arranged on the described energy recycle device main body, in order to control described water sealing liquid in a default liquid level.
2. the energy recycle device of mud thermal hydrolysis pretreatment system as claimed in claim 1, it is characterized in that, described water sealing liquid liquid level control unit comprises operated pneumatic valve and float(ing)valve, described operated pneumatic valve is arranged on the described condensate make-up piping, described float(ing)valve is arranged in the described energy recycle device main body, described operated pneumatic valve is connected with described float(ing)valve, in order to control the flooding quantity of described condensate make-up piping.
3. the energy recycle device of mud thermal hydrolysis pretreatment system as claimed in claim 1 or 2, it is characterized in that, described water sealing liquid liquid level control unit comprises variable valve, be arranged on the described fluming water pipeline, the other end of described fluming water pipeline is connected to the storage mud of a mud thermal hydrolysis pretreatment system and irritates, and the mud amount of advancing of mud was controlled Dilution ratio in described variable valve was irritated according to described storage mud.
4. the energy recycle device of mud thermal hydrolysis pretreatment system as claimed in claim 1 is characterized in that, described some thermal source pipelines comprise:
The first thermal source pipeline, an end of the described first thermal source pipeline connects the described pretreatment system of described mud thermal hydrolysis pretreatment system, in order to reclaim the effusion steam of described pretreatment system;
The second thermal source pipeline, an end of the described second thermal source pipeline connect the described thermal hydrolysis jar of described mud thermal hydrolysis pretreatment system, in order to reclaim the residue vapor of described thermal hydrolysis jar.
5. the energy recycle device of mud thermal hydrolysis pretreatment system as claimed in claim 1 is characterized in that, also comprises the gas with foreign flavor recovery tube, is communicated with in the upper end of described energy recycle device main body, in order to recycle gas with foreign flavor.
6. the energy recycle device of mud thermal hydrolysis pretreatment system as claimed in claim 1 is characterized in that, the minimum liquid level of described water sealing liquid is more than or equal to 200 millimeters, and the highest liquid level of described water sealing liquid is more than or equal to 600 millimeters.
7. the energy recycle device of mud thermal hydrolysis pretreatment system as claimed in claim 6 is characterized in that, described water sealing liquid liquid level control unit comprises a upflow tube, is communicated with the highest liquid level place at described water sealing liquid.
8. the energy recycle device of mud thermal hydrolysis pretreatment system as claimed in claim 7 is characterized in that, described upflow tube is a water seal upflow tube, and the water seal height of described water seal upflow tube is greater than the minimum liquid level of described water sealing liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201651316U CN203187504U (en) | 2013-04-03 | 2013-04-03 | Energy recovery device of pre-treatment system for sludge pyrohydrolysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201651316U CN203187504U (en) | 2013-04-03 | 2013-04-03 | Energy recovery device of pre-treatment system for sludge pyrohydrolysis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203187504U true CN203187504U (en) | 2013-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201651316U Withdrawn - After Issue CN203187504U (en) | 2013-04-03 | 2013-04-03 | Energy recovery device of pre-treatment system for sludge pyrohydrolysis |
Country Status (1)
| Country | Link |
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| CN (1) | CN203187504U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103193372A (en) * | 2013-04-03 | 2013-07-10 | 上海同济普兰德生物质能股份有限公司 | Energy recovery device of sludge thermal hydrolysis pretreatment system |
-
2013
- 2013-04-03 CN CN2013201651316U patent/CN203187504U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103193372A (en) * | 2013-04-03 | 2013-07-10 | 上海同济普兰德生物质能股份有限公司 | Energy recovery device of sludge thermal hydrolysis pretreatment system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130911 Effective date of abandoning: 20141203 |
|
| RGAV | Abandon patent right to avoid regrant |