US3773966A - Lead-in-device passing a conductor through the cover of an electrical precipitation apparatus - Google Patents

Lead-in-device passing a conductor through the cover of an electrical precipitation apparatus Download PDF

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Publication number
US3773966A
US3773966A US00335598A US33559873A US3773966A US 3773966 A US3773966 A US 3773966A US 00335598 A US00335598 A US 00335598A US 33559873 A US33559873 A US 33559873A US 3773966 A US3773966 A US 3773966A
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US
United States
Prior art keywords
insulator
conductor
lead
annular chamber
precipitation apparatus
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US00335598A
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English (en)
Inventor
H Ebert
F Kampmann
U Thummler
H Werner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Knapsack AG
Original Assignee
Knapsack AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE19722209999 external-priority patent/DE2209999C3/de
Application filed by Knapsack AG filed Critical Knapsack AG
Application granted granted Critical
Publication of US3773966A publication Critical patent/US3773966A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34—Constructional details or accessories or operation thereof
    • B03C3/66—Applications of electricity supply techniques
    • B03C3/70—Applications of electricity supply techniques insulating in electric separators

Definitions

  • ABSTRACT Lead-in-device receiving a conductor which passes through the cover of an electrical precipitation apparatus and down to its electrode system, the electrical precipitation apparatus being used in the production of phosphorus.
  • a middle portion of the conductor is concentrically surrounded by a duct and a sealing cup is disposed above the cover of the electrical precipitation apparatus concentrically with respect to the conductor.
  • Above the sealing cup the conductor is encircled by an insulator which is radially spaced therefrom and above the insulator, the conductor is concentrically surrounded by a bellows, of which the upper end is fast with the conductor.
  • An annular chamber is disposed between the insulator and the bellows, the lower surface of the said annular chamber being apertured to provide passages, whereby a gaseous medium can be continuously supplied to the annular space between the said insulator and the said conductor.
  • Elastic packing rings provide seals between the insulator and the annular chamber situated above it, and between the insulator and the sealing cup situated below it, and spring pressed elements urge the annular chamber into contact with the insulator, the spring-pressed elements having mountings which bear against crossmembers fast with the conductor.
  • the present invention provides a lead-in device receiving a conductor which passes through the cover of an electrical precipitation apparatus and down to its electrode system, the precipitation apparatus being used in the production of phosphorus, wherein a middle portion of the conductor is concentrically surrounded by a duct; wherein a sealing cup is disposed above the cover of the electrical precipitation apparatus concentrically with respect to the conductor; wherein, above the sealing cup, the conductor is encircled by an insulator which is radially spaced therefrom; and wherein, above the insulator, the conductor is concentrically surrounded by a bellows, of which the upper end is fast with the conductor.
  • a lead-in device receiving a conductor which passes through the cover of an electrical precipitation apparatus wherein the conductor, housed in a duct arranged concentrically therewith, is surrounded by an insulator, which is positioned above the corner of the electrical precipitation apparatus and is radially spaced from the conductor, and wherein an insulating bush is mounted on the conductor, the insulating bush being surrounded by a barrier disc so as to leave a narrow gap therebetween.
  • the insulator, the insulating bush and the barrier disc are conveniently of polytetrafluoroethylene.
  • a bellows Positioned above the insulator is a bellows, of which the lower and upper ends are fast with the insulator and conductor, respectively.
  • the space between the bellows, the insulator, the barrier disc and the insulating bush is occupied by a sealing gas maintained under overpressure.
  • a sealing cup Arranged concentrically around the conductor and positioned between the duct and the cover of the electrical precipitation apparatus is a sealing cup, of which the lower portion conveniently has water therein and of which the upper portion provides a pipe connection running to a chimney.
  • a difficulty encountered during the operation of the above lead-in device is that the surfaces of the insulator, the insulating bush and the barrier disc, which as just mentioned are conveniently of polytetrafluoroethylene, are rapidly contaminated, and thereby rendered electrically conductive, by dust particles which are ejected from the electrical precipitation apparatus as a result of pressure variations therein; this difficulty is encountered despite the use of nitrogen, for example, as an incombustible sealing gas. This superficial contamination has even been found to lead in many cases to the destruction of these relatively costly insulating elements, due to continual electric flash-overs.
  • a lead-in device receiving a conductor which passes through the cover of an electrical precipitation apparatus and down to its electrode system, the electrical precipitation apparatus being used in the production of phosphorus; wherein a middle portion of the conductor is concentrically surrounded by a duct and a sealing cup is disposed above the cover of the electrical precipitation apparatus concentrically with respect to the conductor; wherein, above the sealing cup, the conductor is encircled by an insulator which is radially spaced therefrom; and wherein, above the insulator, the conductor is concentrically surrounded by a bellows, of which the upper end is fast with the conductor; the lead-in device comprising: an annular chamber disposed between the insulator and the bellows, the lower surface of the said annular chamber being apertured to provide passages whereby steam or another gas vapour can be continuously supplied to the annular space between the said insulator and the said conductor; elastic packing rings which provide seals between the insulator and the annular
  • Preferred features of the lead-in device of the present invention which can be used singly or in combination, provide:
  • the insulator a. for the insulator to be of quartz, or
  • the insulator for the insulator to be of quartz glass, or
  • c for the insulator to be of polytetrafluoroethylene
  • d for the insulator to have a length equal to its internal diameter
  • annular chamber ffor the annular chamber to have a pipe connection connecting the annular chamber to supply means for steam or another gas or vapour, through an insulating joint;
  • g for the insulating joint to have a length equal to the internal diameter of the insulator, or
  • the insulator can be a plain cylinder of quartz, quartz glass or polytetrafluoroethylene, with no attachments.
  • the purchase, assembly and maintenance costs it is possible for the purchase, assembly and maintenance costs to be reduced substantially by 50 percent, compared with the costs of known lead-in de vices.
  • contaminating material should ever de posit on the insulator, for example, as a result of a breakdown in the steam supply system, it is possible for the inside of the insulator to be rapidly rinsed, the power to the electrical precipitation apparatus being switched off, using as a rinsing means the condensed water which is at first produced once the supply of steam is resumed. Following this, the rising steam temperatures effect drying of the insulator, and restore its full insulating properties.
  • FIG. 1 An embodiment of the device of the present invention is shown diagrammatically (generally in axial section) in the single FIGURE of the accompanying drawmg.
  • a conductor 1 is arranged to project through a cover 2 down to the electrical system of an electrical precipitation apparatus 3.
  • the conductor 1 is surrounded by a duct 4 projecting, from a level above the cover 2, into the interior of the electrical precipitation apparatus 3.
  • the conductor 1 is surrounded by a cylindrical insulator 5, which is radially spaced therefrom and of which the lower end is sealed by an elastic packing 6 which is supported by an upper flange provided on a bell-shaped member 14 forming an inner part of a sealing cup 12.
  • an annular chamber 9 of which the lower surface is apertured to provide outlets 11.
  • the annular chamber 9 is urged towards the insulator by spring-pressed rods 7 mounted in sleeves which bear against cross-members 19 fast with the conductor 1.
  • the annular chamber 9 is further provided with a pipe connection 10 opening laterally thereinto.
  • the pipe connection 10 and an insulating joint 8 connect the chamber 9 to a conduit 21 supplying steam, for example.
  • a bellows Disposed above the annular chamber 9 is a bellows which is secured at its lower end to a flange provided on the chamber 9 and is secured at its upper end to the conductor 1. 4
  • the bell-shaped member 14 is arranged so as to open out into the sealing cup 12, its upper end passing through the cover 13 of the sealing cup 12.
  • the lower portion of the sealing cup 12 contains a sealing liquid 15, for example water, which is supplied thereto through an inlet 17 and removed therefrom through an outlet 16.
  • the upper portion of the sealing cup 12 has an off-gas connection 18 running to a chimney.
  • Lead-in device receiving a conductor which passes through the cover of an electrical precipitation apparatus and down to its electrode system, the electrical precipitation apparatus being used in the production of phosphorus; wherein a middle portion of the conductor is concentrically surrounded by a duct and a sealing cup is disposed above the cover of the electrical precipitation apparatus concentrically with respect to the conductor; wherein, above the sealing cup, the conductor is encircled by an insulator which is radially spaced therefrom; and wherein, above the insulator, the conductor is concentrically surrounded by a bellows, of which the upper end is fast with the conductor; the lead-in device comprising: an annular chamber disposed between the insulator and the bellows, the lower surface of the said annular chamber being apertured to provide passages whereby steam or another gas or vapour can be continuously supplied to the annular space between the said insulator and the said conductor; elastic packing rings which provide seals between the insulator and the annular chamber situated above it, and between the

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  • Electrostatic Separation (AREA)
  • Insulators (AREA)
US00335598A 1972-03-02 1973-02-26 Lead-in-device passing a conductor through the cover of an electrical precipitation apparatus Expired - Lifetime US3773966A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722209999 DE2209999C3 (de) 1972-03-02 Vorrichtung zur Durchführung eines Spannungszuführungsleiters durch den Deckel eines bei der Phosphorherstellung zu verwendenden Elektroabscheiders

Publications (1)

Publication Number Publication Date
US3773966A true US3773966A (en) 1973-11-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
US00335598A Expired - Lifetime US3773966A (en) 1972-03-02 1973-02-26 Lead-in-device passing a conductor through the cover of an electrical precipitation apparatus

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US (1) US3773966A (enrdf_load_html_response)
DD (1) DD101561A5 (enrdf_load_html_response)
FR (1) FR2174278B1 (enrdf_load_html_response)
GB (1) GB1355027A (enrdf_load_html_response)
NL (1) NL160740C (enrdf_load_html_response)
SU (1) SU665780A3 (enrdf_load_html_response)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4193774A (en) * 1976-12-21 1980-03-18 Pilat Michael J Electrostatic aerosol scrubber and method of operation
US4204844A (en) * 1974-07-26 1980-05-27 Pilat Michael J Liquid transfer system for conductive liquids
US4251682A (en) * 1979-04-02 1981-02-17 Hoechst Aktiengesellschaft Operation of a lead-in-device receiving a conductor passed through the cover of an electrical precipitation apparatus
US4256468A (en) * 1977-12-28 1981-03-17 Bethlehem Steel Corporation Method for cleaning sinter plant gas emissions
US4578088A (en) * 1984-12-17 1986-03-25 Fmc Corporation Electrical insulating and sealing apparatus and process for using same
US20140083297A1 (en) * 2009-11-18 2014-03-27 Beat Muller Electrostatic fine dust filter system, retainer for an electrode, and electrode therefor
CN106876865A (zh) * 2017-03-01 2017-06-20 岳文智 一种便于安装的船舶用雷达固定架
US11123751B2 (en) * 2019-08-01 2021-09-21 Infinite Cooling Inc. Panels for use in collecting fluid from a gas stream
US11786915B2 (en) 2019-08-01 2023-10-17 Infinite Cooling Inc. Systems and methods for collecting fluid from a gas stream

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4204844A (en) * 1974-07-26 1980-05-27 Pilat Michael J Liquid transfer system for conductive liquids
US4193774A (en) * 1976-12-21 1980-03-18 Pilat Michael J Electrostatic aerosol scrubber and method of operation
US4256468A (en) * 1977-12-28 1981-03-17 Bethlehem Steel Corporation Method for cleaning sinter plant gas emissions
US4251682A (en) * 1979-04-02 1981-02-17 Hoechst Aktiengesellschaft Operation of a lead-in-device receiving a conductor passed through the cover of an electrical precipitation apparatus
US4578088A (en) * 1984-12-17 1986-03-25 Fmc Corporation Electrical insulating and sealing apparatus and process for using same
US20140083297A1 (en) * 2009-11-18 2014-03-27 Beat Muller Electrostatic fine dust filter system, retainer for an electrode, and electrode therefor
US9333513B2 (en) * 2009-11-18 2016-05-10 Beat Muller Electrostatic fine dust filter system, retainer for an electrode, and electrode therefor
CN106876865A (zh) * 2017-03-01 2017-06-20 岳文智 一种便于安装的船舶用雷达固定架
CN106876865B (zh) * 2017-03-01 2019-03-26 射阳县长海船厂 一种便于安装的船舶用雷达固定架
US11123751B2 (en) * 2019-08-01 2021-09-21 Infinite Cooling Inc. Panels for use in collecting fluid from a gas stream
US11786915B2 (en) 2019-08-01 2023-10-17 Infinite Cooling Inc. Systems and methods for collecting fluid from a gas stream

Also Published As

Publication number Publication date
FR2174278A1 (enrdf_load_html_response) 1973-10-12
NL7302219A (enrdf_load_html_response) 1973-09-04
DE2209999B2 (de) 1976-04-15
DE2209999A1 (de) 1973-09-13
NL160740C (nl) 1979-12-17
FR2174278B1 (enrdf_load_html_response) 1977-09-02
GB1355027A (en) 1974-06-05
DD101561A5 (enrdf_load_html_response) 1973-11-12
SU665780A3 (ru) 1979-05-30

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