CN207079081U - A kind of device for electrochemical water preparation - Google Patents

Abstract

It the utility model is related to a kind of descaling method of device for electrochemical water preparation and the device, described device includes casing, sealing door-plat, minus plate, positive plate, scraper, dirty thing collection vessel, detection module, network transmission monitoring module, minus plate can insert box house from the horizontal elongated hole of wall box, the scraper edge for being arranged on side wall inner surfaces is in contact with cathode plate surface, minus plate from casing extract out while scraper the fouling of cathode plate surface is struck off, the dirty thing scraped is fallen into the dirty thing collection vessel below insertion casing, topple over the cleaning that the dirty thing to be dropped in container completes water treatment facilities；Detection module can detect the acid-base value and hardness of water quality, and network transmission monitoring module is used for the remote monitoring of water treatment facilities.The scale removal of the utility model water treatment facilities is convenient, efficient, and can adjust water process amount by increasing, subtracting the Number dynamics of minus plate, and detection in real time can be carried out to water quality, carries out remote monitoring to equipment.

Description

A kind of device for electrochemical water preparation

Technical field

It the utility model is related to electro-chemical water process field, more particularly to a kind of apparatus for electrochemical treatment.

Background technology

With industrial expansion, getting worse the problem of industrial water pollution.Chemical agent is added in industrial wastewater, although Solve the problems, such as water fouling and pollution to a certain extent, but the chemical agent added also turns into pollutant in itself, is formed The problem of secondary pollution.

Electrochemical techniques are that the present Treatment of Industrial Water field that solves uses the important of negative issue caused by chemical agent Method, in the apparatus for electrochemical treatment used in the prior art, in order to realize water process, it is necessary to by between negative electrode and anode Dirty thing is adsorbed in effect, or water is handled using its oxidation.For being adsorbed by the effect between negative electrode and anode The device of dirty thing, in the prior art, including the door body of casing and box opening, cathode assembly and anode component are fixed respectively It is installed on casing and door body, by the folding of door body, realizes interval between cathode assembly and anode component in place.

Following defect be present in above-mentioned device for electrochemical water preparation of the prior art：(1) produced in device for electrochemical water preparation When raw dirt is periodically removed, the chamber door of device for electrochemical water preparation need to be opened, will be fixed on manually in casing by worker Dirty thing on the minus plate in portion strikes off, and causes dirty thing cleaning inconvenience, device maintenance difficulties big；(2) device for electrochemical water preparation Water process amount is changeless, in order to increase treating capacity, can only increase box sizes or increase cathode assembly, anode component Size, in terms of dirt is cleared up, the size for increasing casing is equal to add treatment of dirt depth or processing height, makes place It is more difficult to manage dirt, increase box sizes also cause the increase of water treatment facilities manufacturing cost；(3) for water after treatment Water quality can not be detected in real time, it is impossible to working condition, equipment state to device for electrochemical water preparation carry out long-range Monitoring.

Utility model content

The purpose of this utility model is to provide a kind of device for electrochemical water preparation, to solve at present at existing electro-chemical water It is inconvenient to manage device scale removal, water process amount fixes, is unable to dynamic regulation water process amount, can not detect water quality, be unable to remote monitoring The technical problems such as water treatment facilities working condition.

The technical problem that the utility model solves can take following scheme to realize：A kind of electro-chemical water processing dress Put, including casing, sealing door-plat, minus plate, positive plate, the casing are by roof, bottom wall, rear wall, the first side wall, the second side The casing for the front opening that wall surrounds, is provided with delivery port on the roof, water inlet is set below the second sidewall, The positive plate is fixedly connected with the inner surface of the sealing door-plat, can be by institute when the sealing door-plat is closed The open sealing in front of casing is stated, and the positive plate is arranged at intervals with the minus plate positioned at the box house；It is special Sign is：It is longitudinally disposed in the inner surface of the second sidewall in the longitudinally disposed multiple horizontal elongated holes of the first side wall With the long hole site of the multiple transverse direction multiple attachment straps correspondingly, the minus plate can by the horizontal elongated hole insertion or Extract the casing out, on the horizontal elongated hole or the minus plate one end set the first sealing ring, when the minus plate is inserted When entering to the box house, one end of the minus plate, which is taken, to be put in the horizontal elongated hole, and the other end, which is taken, to be put in and the horizontal stroke On the attachment strap corresponding to elongated hole, first sealing ring is by the gap sealing between the horizontal elongated hole and the minus plate；Institute Stating water treatment facilities also includes multiple scrapers, connects in the first side wall inner surface close to each fixed at the horizontal elongated hole The scraper is connect, when the minus plate is inserted into the box house, the surface of the blade of the scraper and the minus plate It is in contact；The water treatment facilities also includes the open dirty thing collection vessel in top, sets and opens in the lower section of the first side wall Mouthful, the dirty thing collection vessel can be inserted or pulled out the casing by the opening, over said opening or the dirty thing The periphery of collection vessel side wall sets the second sealing ring, when the dirty thing collection vessel is inserted in the casing, the negative electrode Plate is all located above dirty thing collection vessel and width range of the minus plate along the first side wall is collected positioned at the dirty thing In the open position range of container, second sealing ring can be close by the gap between the opening and the dirty thing collection vessel Envelope；The water treatment facilities also includes detection module, and the detection module is water hardness and acid-base value detection module, including can The lower chamber and upper cavity of dismounting, water inlet pipe is set in described lower chamber one end, and water inlet pipe is set respectively in the lower chamber There are two water pipe branch roads to be connected to pH detectors and hardness tester, pH detectors and hardness tester pass through two respectively Transmission line is connected with soda acid sensor and hardness transducer, and the other end of water inlet pipe is not provided with being open for end；Lower chamber Sealing rubber layer is set between upper cavity, and epicoele external surface is provided with electronic display, is connected in upper cavity with battery Two pass through sealing rubber layer with parallel conducting wire, are connected respectively with pH detectors and hardness tester, electronic display data wire point It is not connected with soda acid sensor and hardness transducer, electronic display is connected by wire with battery；On the delivery port One threeway connecting conduit is set, and the first port of the threeway connecting conduit is connected with the delivery port, and second port is used for water Discharge, the 3rd port is connected with the water inlet pipe in detection module；Network transmission prison is provided with outside the water treatment facilities Control module, including central control unit, monitoring of equipment module and power module, monitoring of equipment module and central control unit phase Even, the network transmission monitoring module also includes memory, Interface Expanding unit and network transmission module, monitoring of equipment module bag Several data acquisition units are included, each data acquisition unit is connected with several monitoring of equipment terminals, and memory and Interface Expanding unit are equal It is connected with central control unit, network transmission module is connected with central control unit；Network transmission module includes network switching mould Block, wireless network transmission module and cable-network transmission module, wireless network transmission module and cable-network transmission module are through net Network handover module is connected with central control unit；The network transmission monitoring module also includes video acquisition module, video acquisition Module is connected through Interface Expanding unit with central control unit.

As preferred：The water treatment facilities also includes pull plate, hydraulic cylinder, and the minus plate, which is taken, is put in the laterally length The one end in hole is fixedly connected with the surface of the pull plate, the moon of the movable end of the piston rod of the hydraulic cylinder and the pull plate The opposite face of pole plate stationary plane or minus plate stationary plane is fixedly connected.

As preferred：A pair are fixedly connected with the first side wall inner surface at each horizontal elongated hole to scrape Knife, when the minus plate is inserted into the box house, the blade to scraper above in scraper and the negative electrode The upper surface of plate is in contact, and the blade of underlying scraper is in contact with the lower surface of the minus plate.

As preferred：Transparent window is respectively provided with the second sidewall and the position corresponding section of each attachment strap.

As preferred：The minus plate and positive plate are web plate shape, orifice plate shape or tabular.

After technical scheme described in the utility model, following beneficial effect is brought：(1) the utility model water process fills Put and do not need opening-door plate in scale removal, need to only extract minus plate out at the horizontal elongated hole of wall box, due to box house The blade of scraper is in contact with cathode plate surface, and scraper strikes off the fouling of cathode plate surface while minus plate is extracted out, scrapes The dirty thing fallen is fallen into the dirty thing collection vessel below casing, by dirty thing collection vessel from case after minus plate is completely drawn out Body sidewall opening is extracted out, and removing falls into dirty thing therein, and dirty thing removing is convenient, efficient, reduces the cleaning of water treatment facilities And maintenance difficulties；(2) due to minus plate to can be inserted into or extract out the drawing and pulling type minus plate of casing, and wall box setting is multiple The through hole of minus plate is can be inserted into, therefore can be by increasing, subtracting the quantity of minus plate come the water process of dynamic regulation water treatment facilities Amount, the quantity of inserting minus plate is more, water process amount is bigger, and the through hole for being not inserted into minus plate is blocked；(3) water quality is set Detection module, the acid-base value and hardness of treated water can be detected in real time, network transmission monitoring module is set, to water Working condition, the equipment state of water quality, water treatment facilities in processing unit carry out remote monitoring.

Brief description of the drawings

, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings Obtain other accompanying drawings.

Fig. 1 is the device for electrochemical water preparation structural representation of the utility model embodiment one；

Fig. 2 is the front section view of the device for electrochemical water preparation of the utility model embodiment one；

Fig. 3 is the side view of the device for electrochemical water preparation of the utility model embodiment one；

Fig. 4 is the structural representation of the device for electrochemical water preparation water quality detection module of the utility model embodiment one；

Fig. 5 is the schematic diagram of the device for electrochemical water preparation network transmission monitoring module of the utility model embodiment one；

Fig. 6 is the positive structure schematic of the device for electrochemical water preparation of the utility model embodiment two.

Main tender and label：

Casing：100；Roof：110；Delivery port：111；Bottom wall：120；Rear wall：130；The first side wall：140；Horizontal elongated hole： 141；Second sidewall：150；Water inlet；151；Attachment strap：152；Sealing door-plat：200；Minus plate：300；Positive plate：400；First Sealing ring：510；Second sealing ring：520；Scraper：600；Dirty thing collection vessel：700；Acid-base value detection module：800；Cavity of resorption Body：810；Water inlet pipe：811；PH detectors：812；Hardness tester：813；Soda acid sensor：814；Hardness transducer：815； Upper cavity：820；Sealing rubber layer：821；Electronic display：822；Battery：823；Pull plate：900；Connecting plate：910；Hydraulic cylinder： 1000；Piston rod：1010；

Embodiment

To make the purpose of this utility model, technical scheme and advantage clearly show, below in conjunction with accompanying drawing to this Utility model embodiment is described in further detail.

Embodiment one

Device for electrochemical water preparation shown in Fig. 1, including casing 100, sealing door-plat 200, minus plate 300, positive plate 400th, the open dirty thing collection vessel 700 in multiple scrapers 600, top, detection module, network transmission monitoring module, casing 100 are The casing of the front opening surrounded by roof 110, bottom wall 120, rear wall 130, the first side wall 140, second sidewall 150, in roof Delivery port 111 is provided with 110, water inlet 151 is set below second sidewall 150, fixed in the inner surface of sealing door-plat 200 Jointed anode plate 400, the front opening of casing 100 can be sealed when sealing door-plat 200 is closed, and positive plate 400 are arranged at intervals with the minus plate 300 inside casing 100, and minus plate 300 and positive plate 400 are tabular, as excellent Choosing, minus plate 300 and positive plate 400 or web plate shape or orifice plate shape, to facilitate current to pass through；

The longitudinally disposed multiple horizontal elongated holes 141 of the first side wall 140, Fig. 2 are showing the present embodiment water treatment facilities just Face sectional view, as shown in Fig. 2 in longitudinally disposed 141 position one a pair with multiple horizontal elongated holes of inner surface of second sidewall 150 The multiple attachment straps 152 answered, minus plate 300 can be inserted or pulled out casing 100 by the horizontal elongated hole 141, when minus plate 300 When being inserted into 100 inside of casing, one end of minus plate 300, which is taken, to be put in horizontal elongated hole 141, and the other end, which is taken, to be put in and horizontal elongated hole On 141 corresponding attachment straps 152, Fig. 3 show the side view of the present embodiment water treatment facilities the first side wall side, such as Fig. 3 institutes Show, the first sealing ring 510 is set on horizontal elongated hole 141, and the first sealing ring 510 is by between horizontal elongated hole 141 and minus plate 300 Gap sealing；Minus plate 300 can also be arranged on as preferably the first sealing ring 510 takes be put in one end of horizontal elongated hole 141, Second sidewall 150 and the position corresponding section of each attachment strap 152 are respectively provided with transparent window, and transparent window uses pressure-bearing glass system Make, the setting of transparent window facilitates worker's observation to take the fouling condition for the minus plate being placed on attachment strap, is determined according to fouling condition Whether it is necessary to carry out snaking processing；

As shown in Figure 1, 2, a pair are fixedly connected with each horizontal elongated hole 141 in the inner surface of the first side wall 140 to scrape Knife 600, scraper 600 and the inner surface junction of the first side wall 140 are apart from horizontal elongated hole edge 1cm~10cm, when minus plate 300 When being inserted into 100 inside of casing, the blade to scraper 600 above in scraper connects with the upper surface of minus plate 300 Touch, the blade of underlying scraper 600 is in contact with the lower surface of minus plate 300；

As shown in Figures 1 to 3, opening 142 is set in the lower section of the first side wall 140, dirty thing collection vessel 700 can be by opening Mouth 142 is inserted or pulled out casing 100, and the second sealing ring 520 is set in opening 142, when dirty thing collection vessel 700 inserts casing When in 100, minus plate 300 is all located at the dirty top of thing collection vessel 700 and width range of the minus plate 300 along the first side wall 140 In the position range open positioned at dirty thing collection vessel 700, the second sealing ring 520 is by between opening 142 and dirty thing collection vessel 700 Gap sealing, dirty thing collection vessel 700 is located in the side wall on the outside of casing setting handle 710, facilitates dirty thing collection vessel Extract out, the periphery of the dirty side wall of thing collection vessel 700 can also be arranged on as preferably the second sealing ring 520；

Fig. 4 show the detection module structural representation of the device for electrochemical water preparation of embodiment one.As Fig. 4 detection modules are Water hardness and acid-base value detection module 800, including dismountable lower chamber 810 and upper cavity 820, in the one end of lower chamber 810 Water inlet pipe 811 is set, and water inlet pipe 811 is respectively arranged with two water pipe branch roads in lower chamber 810 and is connected to pH detectors 812 and hardness tester 813, pH detectors 812 and hardness tester 813 pass through two transmission lines and soda acid sensor respectively 814 and hardness transducer 815 connect, the other end of water inlet pipe 811 is not provided with being open for end；Lower chamber 810 and upper cavity Sealing rubber layer 821 is set between 820, the outer surface of upper cavity 820 is provided with electronic display 822, in upper cavity 820 with battery The two of 823 connections pass through sealing rubber layer 821 with parallel conducting wire, are connected respectively with pH detectors 812 and hardness tester 813, Electronic display data wire is connected with soda acid sensor 814 and hardness transducer 815 respectively, and the screen of electronical display 822 is by leading Line is connected with battery 823.Threeway connection can be set on the delivery port 111 of device for electrochemical water preparation as shown in Figure 1 and Figure 4 to lead Pipe, the threeway connecting conduit first port are connected with delivery port 111, and second port is used for the discharge of water, the 3rd port and inspection The water inlet 811 surveyed in module connects；The setting of water quality detection module can enter to the acid-base value and hardness of treated water Row detection in real time.

Fig. 5 show the structural representation of the device for electrochemical water preparation network transmission monitoring module of embodiment one.Such as Fig. 5 institutes Show and network transmission monitoring module is provided with outside the water treatment facilities, including central control unit, monitoring of equipment module and electricity Source module, monitoring of equipment module are connected with central control unit, and network transmission monitoring module also includes memory, Interface Expanding list Member and network transmission module, monitoring of equipment module include several data acquisition units, and each data acquisition unit is connected with several equipment Monitoring terminal, memory and Interface Expanding unit are connected with central control unit, network transmission module and central control unit It is connected；Network transmission module includes network handover module, wireless network transmission module and cable-network transmission module, wireless network Transport module and cable-network transmission module are connected through network handover module with central control unit；Network transmission monitoring module is also Including video acquisition module, video acquisition module is connected through Interface Expanding unit with central control unit；Network transmission monitors mould The setting of block can be realized remotely to be supervised to the water quality in water treatment facilities, the working condition of water treatment facilities, equipment state Control.

The descaling method of the device for electrochemical water preparation of the present embodiment specifically comprises the following steps：

(1) minus plate 300 is extracted out by the horizontal elongated hole 141 from the casing 100 successively from bottom to up；

(2) the dirty thing collection vessel 700 is extracted out by the opening 142 from the casing 100, will fallen into described Dirty thing in dirty thing collection vessel 700 is removed；

(3) minus plate 300, the dirty thing collection vessel 700 are turned back in the casing 100.

The present embodiment water treatment facilities does not need opening-door plate in scale removal, only need to be from the through hole of wall box by negative electrode Plate is extracted out, and because the blade of box house scraper is in contact with cathode plate surface, scraper is by negative electrode while minus plate is extracted out The fouling of plate surface is struck off, and the dirty thing scraped is fallen into the dirty thing collection vessel below casing, is completely drawn out in minus plate Dirty thing collection vessel is extracted out from wall box opening afterwards, removing falls into dirty thing therein；Due to minus plate for can be inserted into or Extract the drawing and pulling type minus plate of casing out, and wall box sets the through hole of multiple pluggable minus plates, thus can by increasing, The quantity for subtracting minus plate carrys out the water process amount of dynamic regulation water treatment facilities, the quantity for inserting minus plate is more, water process amount more Greatly, the through hole for being not inserted into minus plate is blocked.

Embodiment two

The device for electrochemical water preparation of the utility model embodiment two shown in Fig. 6, only exists with the difference of embodiment one Also include pull plate 900, hydraulic cylinder 1000 in water treatment facilities, minus plate 300 takes the one end for being put in horizontal elongated hole 141 and pull The surface of plate 800 is fixedly connected by connecting plate 810, movable end and the negative electrode of pull plate 900 of the piston rod 1010 of hydraulic cylinder 1000 The opposite face of plate stationary plane is fixedly connected, preferably, the movable end of piston rod 1010 can also be with the minus plate of pull plate 800 Stationary plane is fixedly connected；

For the present embodiment water treatment facilities in scale removal, the activity of the piston rod 1010 of hydraulic cylinder 1000 drives pull plate 800 left Move right, the minus plate 300 that the mobile drive of pull plate to the left is attached thereto is extracted out from the inside of casing 100；The electricity of the present embodiment Water Treatment device is applied to when the fouling of minus plate is blocked up, and only relying on manpower can not take out minus plate from horizontal elongated hole Go out, by the driving of the hydraulic means of the present embodiment, easily can extract minus plate from box house out, so as to mitigate worker's labor Security performance when fatigue resistance, raising water treatment facilities scale removal.

It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to In this, any one skilled in the art can readily occur in change in the technical scope that the utility model discloses Or replace, it should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be with the power The protection domain that profit requires is defined.

Claims (5)

1. a kind of device for electrochemical water preparation, including casing (100), sealing door-plat (200), minus plate (300), positive plate (400), the casing (100) is by roof (110), bottom wall (120), rear wall (130), the first side wall (140), second sidewall (150) casing of the front opening surrounded, is provided with delivery port (111), in the second sidewall on the roof (110) (150) lower section sets water inlet (151), and the positive plate (400) is fixedly connected with the inner surface of the sealing door-plat (200), The front opening of the casing (100) can be sealed when the sealing door-plat (200) is closed, and the anode Plate (400) positioned at the internal minus plate (300) of the casing (100) with being arranged at intervals；

It is characterized in that：In the longitudinally disposed multiple horizontal elongated holes (141) of the first side wall (140), in the second sidewall (150) the longitudinally disposed multiple attachment straps (152) correspondingly with the multiple horizontal elongated hole (141) position of inner surface, institute The casing (100) can be inserted or pulled out by the horizontal elongated hole (141) by stating minus plate (300), in the horizontal elongated hole (141) on or one end of the minus plate (300) sets the first sealing ring (510), when the minus plate (300) be inserted into it is described When casing (100) is internal, one end of the minus plate (300), which is taken, to be put in the horizontal elongated hole (141), the other end take be put in On the corresponding attachment strap (152) of the horizontal elongated hole (141), first sealing ring (510) by the horizontal elongated hole (141) with Gap sealing between the minus plate (300)；

The water treatment facilities also includes multiple scrapers (600), in the first side wall (140) inner surface close to each horizontal stroke The scraper (600) is fixedly connected with to elongated hole (141) place, when the minus plate (300) is inserted into the casing (100) inside When, the blade of the scraper (600) is in contact with the surface of the minus plate (300)；

The water treatment facilities also includes the open dirty thing collection vessel (700) in top, in the lower section of the first side wall (140) Opening (142) is set, and the dirty thing collection vessel (700) can be inserted or pulled out the casing by the opening (142) (100), it is described opening (142) on or dirty thing collection vessel (700) side wall periphery set the second sealing ring (520), When dirty thing collection vessel (700) insertion casing (100) is interior, the minus plate (300) is all located at dirty thing and collects appearance Above device (700) and width range of the minus plate (300) along the first side wall (140) is located at the dirty thing collection vessel (700) in open position range, second sealing ring (520), which can collect the opening (142) with the dirty thing, holds Gap sealing between device (700)；

The water treatment facilities also includes detection module, and the detection module is water hardness and acid-base value detection module (800), Including dismountable lower chamber (810) and upper cavity (820), water inlet pipe (811) is set in described lower chamber (810) one end, entered Water pipe (811) is respectively arranged with two water pipe branch roads in the lower chamber (810) and is connected to pH detectors (812) and firmly Detector (813) is spent, pH detectors (812) and hardness tester (813) pass through two transmission lines and soda acid sensor respectively (814) and hardness transducer (815) connection, the other end of water inlet pipe (811) are not provided with being open for end；Lower chamber (810) Sealing rubber layer (821) is set between upper cavity (820), upper cavity (820) outer surface is provided with electronic display (822), Two be connected in upper cavity (820) with battery (823) pass through sealing rubber layer (821) with parallel conducting wire, with pH detectors (812) Connected respectively with hardness tester (813), electronic display data wire respectively with soda acid sensor (814) and hardness transducer (815) connect, electronic display (822) is connected by wire with battery (823)；One or three are set on the delivery port (111) Logical connecting conduit, the first port of the threeway connecting conduit are connected with the delivery port (111), and second port is used for the row of water Go out, the 3rd port is connected with the water inlet pipe (811) in detection module；

Be provided with network transmission monitoring module outside the water treatment facilities, including central control unit, monitoring of equipment module and Power module, monitoring of equipment module are connected with central control unit, and the network transmission monitoring module also includes memory, interface Expanding element and network transmission module, monitoring of equipment module include several data acquisition units, and each data acquisition unit is connected with number Individual monitoring of equipment terminal, memory and Interface Expanding unit are connected with central control unit, and network transmission module is controlled with center Unit processed is connected；Network transmission module includes network handover module, wireless network transmission module and cable-network transmission module, nothing Line network transmission module and cable-network transmission module are connected through network handover module with central control unit；The network transmission Monitoring module also includes video acquisition module, and video acquisition module is connected through Interface Expanding unit with central control unit.

2. device for electrochemical water preparation according to claim 1, it is characterised in that：The water treatment facilities also includes pull Plate (900), hydraulic cylinder (1000), the minus plate (300) take the one end for being put in the horizontal elongated hole (141) and the pull plate (900) surface is fixedly connected, movable end and the pull plate (900) of the piston rod (1010) of the hydraulic cylinder (1000) The opposite face of minus plate stationary plane or minus plate stationary plane is fixedly connected.

3. device for electrochemical water preparation according to claim 1, it is characterised in that：In the first side wall (140) interior table Face is fixedly connected with a pair of scrapers (600) close to each horizontal elongated hole (141) place, when the minus plate (300) is inserted into When the casing (100) is internal, the blade to scraper (600) above in scraper is upper with the minus plate (300) Surface is in contact, and the blade of underlying scraper (600) is in contact with the lower surface of the minus plate (300).

4. device for electrochemical water preparation according to claim 1, it is characterised in that：In the second sidewall (150) and often The position corresponding section of the individual attachment strap (152) is respectively provided with transparent window.

5. the device for electrochemical water preparation according to any one in Claims 1 to 4, it is characterised in that：The minus plate (300) and positive plate (400) is web plate shape, orifice plate shape or tabular.